fzus53 kapx 210037
nshapx
expires:202604211100;;718067

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-211100-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots becoming southwest 10 to
15 knots early in the morning. mostly cloudy. waves 2 feet or
less. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 feet or less.
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718059

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-211100-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 10 to 20 knots becoming southwest 10 to
15 knots early in the morning. slight chance of snow showers
early in the evening. waves 2 to 3 feet. 
.tuesday...northwest wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718060

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-211100-
st. marys river point iroquois to e. potagannissing bay-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 15 knots. mostly cloudy. 
.tuesday...west wind 5 to 10 knots. sunny.
.tuesday night...north wind 5 to 10 knots. mostly clear. 
.wednesday...light winds. sunny.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718068

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-211100-
st ignace to false detour channel-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...southeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718069

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-211100-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
837 pm edt mon apr 20 2026

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
3 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718070

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-211100-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
837 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 3 to
5 feet. 
.tuesday...south wind 15 to 20 knots. sunny. waves 3 to 5 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718071

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-211100-
sturgeon pt to alabaster mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.overnight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...southwest wind 10 to 20 knots. mostly sunny. waves
2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718063

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-211100-
grand traverse bay south of a line grand traverse light to
norwood mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves
2 feet or less building to 2 to 3 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718061

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-211100-
seul choix point to 5nm west of mackinac bridge-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots becoming southwest after
midnight. mostly cloudy early in the evening then becoming partly
cloudy. waves 4 to 6 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 3 to 5 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718062

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-211100-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...southwest wind 15 to 25 knots. mostly cloudy. waves
2 to 3 feet building to 2 to 4 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718064

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-211100-
sleeping bear point to grand traverse light mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves
2 feet or less building to 2 to 3 feet after midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718065

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz345-211100-
point betsie to sleeping bear point mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves 2 to
3 feet building to 2 to 4 feet after midnight. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 2 to
4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210037
nshapx
expires:202604211100;;718066

nearshore marine forecast
national weather service gaylord mi
837 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-211100-
manistee to point betsie mi-
837 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.overnight...south wind 15 to 25 knots. mostly cloudy. waves 3 to
5 feet. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 3 to
5 feet. 
.tuesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 210206
nshdlh
expires:202604211000;;720415

nearshore marine forecast
national weather service duluth mn
906 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-211000-
grand portage to grand marais mn-
906 pm cdt mon apr 20 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 to 10 knots toward daybreak.
mostly clear. waves 2 to 4 feet. 
.tuesday...northwest wind 5 to 10 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday night...southwest wind 5 to 10 knots becoming west late
in the evening, then becoming northeast after midnight. mostly
clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210206
nshdlh
expires:202604211000;;720416

nearshore marine forecast
national weather service duluth mn
906 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-211000-
grand marais to taconite harbor mn-
906 pm cdt mon apr 20 2026

.rest of tonight...southwest wind 5 to 10 knots becoming west
toward daybreak. mostly clear. waves 1 to 2 feet. 
.tuesday...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 to 2 feet. 
.tuesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming northeast
5 knots early in the morning. mostly clear. waves 1 foot or less.
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 210206
nshdlh
expires:202604211000;;720425

nearshore marine forecast
national weather service duluth mn
906 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-211000-
oak point to saxon harbor wi-
906 pm cdt mon apr 20 2026

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
20 knots in the late evening and early morning. mostly clear.
waves 1 to 2 feet. 
.tuesday...west wind 5 knots becoming east late in the afternoon.
sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots becoming south after
midnight. mostly clear. waves 1 foot or less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721242

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-211030-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 20 knots. gusts to 30 knots
early in the morning. mostly clear this evening becoming mostly
cloudy. waves 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. mostly cloudy early in the
morning becoming mostly sunny. a chance of sprinkles until late
afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet early in
the afternoon. waves occasionally around 7 feet. 
.tuesday night...west winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and early morning, then diminishing
to 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721245

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-211030-
port sanilac to port huron mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...southeast winds 10 to 15 knots becoming south
15 to 20 knots after midnight. gusts to 25 knots. clear this 
evening becoming partly cloudy. waves 1 to 3 feet building to 2 to
4 feet early in the morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of showers until late afternoon. 
waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon.
waves occasionally around 7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north after midnight. mostly clear. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721244

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-211030-
harbor beach to port sanilac mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. gusts to 25 knots. clear this evening 
becoming mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet 
after midnight.
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming partly cloudy. a chance of showers 
until late afternoon. waves 3 to 5 feet. waves occasionally around
7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721243

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-211030-
port austin to harbor beach mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 20 knots. gusts to 25 knots. 
mostly clear this evening becoming mostly cloudy. waves 1 to 3 
feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of sprinkles early in the morning,
then a chance of showers in the late morning and early afternoon.
waves 2 to 4 feet. 
.tuesday night...southeast winds 5 to 10 knots backing to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721241

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-211030-
inner saginaw bay sw of point au gres to bay port mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 20 knots. gusts to 25 knots. 
partly cloudy. waves 1 to 3 feet building to 2 to 4 feet early in 
the morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning then clearing. a chance of sprinkles until 
late afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet early 
in the afternoon. 
.tuesday night...west winds 10 to 15 knots veering to the
northeast in the late evening and early morning, then becoming
north 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 210229
nshgrb
expires:202604211000;;721226

nearshore marine forecast
national weather service green bay wi
929 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541-211000-
rock island passage to sturgeon bay wi-
929 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...s wind to 30 kts decreasing to 10 to 20 kts
after midnight. waves 4 to 7 ft. mostly cloudy early in the
evening then becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 4 to 7 ft subsiding to 3 to 5 ft in the
afternoon. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 to 4 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 210229
nshgrb
expires:202604211000;;721225

nearshore marine forecast
national weather service green bay wi
929 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-211000-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
929 pm cdt mon apr 20 2026

...small craft advisory in effect until 1 am cdt tuesday...

.rest of tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts
after midnight. waves 3 to 5 ft subsiding to 1 to 3 ft after
midnight. mostly cloudy early in the evening then becoming partly
cloudy. 
.tuesday...sw wind 5 to 10 kts backing e early in the afternoon.
waves 2 ft or less. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 ft or less. clear.
.wednesday...ne wind 5 to 10 kts veering se in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 210229
nshgrb
expires:202604211000;;721227

nearshore marine forecast
national weather service green bay wi
929 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-211000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
929 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts
after midnight. waves 4 to 7 ft. mostly cloudy early in the
evening then becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 3 to 5 ft. sunny.
.tuesday night...ne wind 10 to 15 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e early in the
afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrr 210253
nshgrr
expires:202604210900;;721716

nearshore marine forecast
national weather service grand rapids mi
1053 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210900-
grand haven to whitehall mi-
1053 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...south winds to 30 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. sunny. waves 4 to 6 feet. 
.tuesday night...northwest winds 10 to 15 knots veering northeast
5 to 10 knots in the late evening and overnight. mostly clear. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 4 to 6 feet. 
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 210253
nshgrr
expires:202604210900;;721715

nearshore marine forecast
national weather service grand rapids mi
1053 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210900-
whitehall to pentwater mi-
1053 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...south winds 20 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.tuesday night...north winds 5 to 15 knots veering northeast in the
late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 5 to
7 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 210253
nshgrr
expires:202604210900;;721714

nearshore marine forecast
national weather service grand rapids mi
1053 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210900-
pentwater to manistee mi-
1053 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...south winds 15 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 15 to 25 knots veering southwest 10 to
15 knots early in the afternoon. sunny. waves 3 to 5 feet. 
.tuesday night...northeast winds 5 to 10 knots. mostly clear. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.wednesday...northeast winds 5 to 10 knots backing north early in
the afternoon. sunny. waves around 1 foot. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 4 to
6 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kmkx 210210
nshmkx
expires:202604211000;;720904

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-211000-
port washington to north point light wi-
910 pm cdt mon apr 20 2026

.rest of tonight...south wind 15 to 20 knots easing to 10 to
15 knots after midnight, then becoming south 10 to 15 knots early
in the morning. partly cloudy just before midnight then becoming
mostly cloudy. waves 3 to 4 feet. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then becoming
southwest 10 to 15 knots early in the afternoon backing south
late in the afternoon. partly sunny. waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon. 
.tuesday night...northeast wind 5 to 10 knots backing north in
the late evening and overnight. partly cloudy. waves around
1 foot. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 210210
nshmkx
expires:202604211000;;720903

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-211000-
sheboygan to port washington wi-
910 pm cdt mon apr 20 2026

...small craft advisory in effect until 7 am cdt tuesday...

.rest of tonight...south wind 15 to 20 knots. partly cloudy.
waves 4 to 6 feet subsiding to 3 to 4 feet after midnight. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then backing
south early in the afternoon becoming southeast 5 to 10 knots
late in the afternoon. mostly sunny. waves 3 to 4 feet. 
.tuesday night...northeast wind 5 to 10 knots becoming north
10 to 15 knots after midnight. mostly clear. waves 1 to 2 feet. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721947

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-210800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 4 am edt tuesday...

.rest of tonight...southwest wind 15 to 20 knots diminishing to
10 to 15 knots late. clear. waves 2 to 3 feet subsiding to 1 to
2 feet. 
.tuesday...northwest wind less than 10 knots backing west late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots becoming
southeast less than 10 knots after midnight. clear. waves calm to
1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721948

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-210800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 4 am edt tuesday...

.rest of tonight...southwest wind 15 to 20 knots veering west
10 to 15 knots late. partly cloudy by midnight then clearing.
waves 2 to 4 feet subsiding to 2 to 3 feet. 
.tuesday...northwest wind 5 to 15 knots. sunny. waves subsiding
to 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind 5 to 15 knots. sunny. waves building
to 1 to 2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721949

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-210800-
point isabelle to lower entrance of portage canal mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 3 am edt tuesday...

.rest of tonight...southwest wind 15 to 20 knots diminishing to
10 to 15 knots late. clear. waves 2 to 3 feet subsiding to 1 to
2 feet. 
.tuesday...northwest wind less than 10 knots veering north by
late morning. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 10 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721950

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-210800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 3 am edt tuesday...

.rest of tonight...southwest wind 10 to 20 knots. clear. waves
1 to 2 feet building to 2 to 3 feet, then subsiding to 1 to
2 feet. 
.tuesday...west wind less than 10 knots veering northeast late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721951

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-210800-
huron islands to marquette mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.rest of tonight...southwest wind 15 to 20 knots becoming 10 to
20 knots late. gusts up to 27 knots. mostly clear. waves 2 to
3 feet subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north less than
10 knots late. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots increasing to
10 to 15 knots in the afternoon. sunny. waves building to 1 to
2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721952

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-210800-
marquette to munising mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 6 am edt tuesday...

.rest of tonight...southwest wind 10 to 20 knots with gusts up to
30 knots. partly cloudy by midnight then clearing. waves 2 to
4 feet subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north 5 to 15 knots
by late morning. sunny. waves 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots in the evening
becoming variable. clear. waves 1 to 2 feet. 
.wednesday...southeast wind less than 10 knots becoming 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721946

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-241-210800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 pm edt mon apr 20 2026 /1000 pm cdt mon apr 20 2026/

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
22 knots. clear. waves 1 to 2 feet building to 2 to 3 feet, then
subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable, then becoming east less than 10 knots late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721953

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-210800-
munising to grand marais mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 6 am edt tuesday...

.rest of tonight...south wind 15 to 25 knots with gusts up to
33 knots. mostly cloudy by midnight then clearing. waves 2 to
4 feet subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest less
than 10 knots late. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...west wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721954

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-210800-
grand marais to whitefish point mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 7 am edt tuesday...

.rest of tonight...south wind 15 to 25 knots with gusts up to
33 knots. mostly cloudy by midnight then becoming mostly clear.
waves 2 to 4 feet subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest by
late morning. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots. clear. waves
1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721944

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-210800-
green bay north of line from cedar river mi to rock island
passage-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.rest of tonight...south wind 10 to 20 knots with gusts up to
31 knots. mostly cloudy by midnight then becoming mostly clear.
waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
3 feet. 
.tuesday...southwest wind 5 to 15 knots backing south less than
10 knots by late morning, then backing east late. sunny. waves
subsiding to 1 to 2 feet. 
.tuesday night...north wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721945

nearshore marine forecast
national weather service marquette mi
1100 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-210800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
1100 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.rest of tonight...southwest wind 15 to 25 knots with gusts up to
32 knots. mostly cloudy by midnight then becoming mostly clear.
waves 4 to 7 feet occasionally to 9 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...southwest wind 5 to 15 knots veering northwest less
than 10 knots late. gusts up to 22 knots. sunny. waves subsiding
to 2 to 3 feet. 
.tuesday night...north wind less than 10 knots. clear. waves
subsiding to 1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710524

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz241-210800-
black river to ontonagon mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

.late this afternoon...southwest wind 10 to 15 knots. mostly
cloudy. waves calm to 1 foot building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering west late. gusts
up to 22 knots. partly cloudy through late evening then clearing.
waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east in
the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710523

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-210800-
saxon harbor wi to black river mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

...small craft advisory in effect until 9 pm edt /8 pm cdt/ this
evening...

.late this afternoon...southwest wind 10 to 15 knots with gusts
up to 23 knots. mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. clear. waves 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable. sunny. waves calm to 1 foot. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$