fzus53 kdlh 310746
nshdlh
expires:202603311600;;579537

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz140-311600-
grand portage to grand marais mn-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through friday
morning...

.today...northeast wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots late in the afternoon. snow likely early
in the morning, then chance of snow in the late morning and
afternoon. slight chance of light freezing rain early in the
afternoon. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
after midnight. slight chance of snow in the evening. waves 1 to
3 feet. 
.wednesday...northeast wind 15 to 20 knots. partly sunny. waves
1 to 3 feet. 
.wednesday night...east wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots early in the morning. mostly cloudy. waves
4 to 6 feet. waves occasionally to 7 feet. a small craft advisory
may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579538

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz141-311600-
grand marais to taconite harbor mn-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 15 to 20 knots with gusts to around
25 knots becoming east 5 to 10 knots late in the afternoon. snow
likely in the morning, then chance of snow in the afternoon.
waves 3 to 5 feet. waves occasionally to 7 feet. 
.tonight...northeast wind 5 to 10 knots. slight chance of snow in
the evening. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.wednesday...east wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 3 feet building to 2 to 4 feet
in the afternoon. a small craft advisory may be needed. 
.wednesday night...east wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots after midnight. slight chance of snow
after midnight. waves 4 to 7 feet. waves occasionally to 9 feet.
a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579539

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz142-311600-
taconite harbor to silver bay harbor mn-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. snow likely in
the morning, then chance of snow in the afternoon. waves 4 to
6 feet. waves occasionally to 8 feet. 
.tonight...northeast wind 5 knots becoming north late in the
evening, then becoming northeast after midnight. slight chance of
snow in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet
early in the morning. 
.wednesday...east wind 15 to 20 knots. gusts up to 25 knots.
partly sunny. waves 2 to 4 feet subsiding to 3 to 5 feet in the
afternoon. waves occasionally to 7 feet. a small craft advisory
may be needed. 
.wednesday night...east wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late evening and overnight. slight
chance of snow after midnight. waves 4 to 7 feet. waves
occasionally to 10 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579540

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz143-311600-
silver bay harbor to two harbors mn-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. snow
likely, slight chance of light freezing rain and light sleet
early in the morning, then chance of snow late in the morning.
slight chance of snow in the afternoon. waves 4 to 6 feet. waves
occasionally to 8 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly cloudy. waves 2 to 4 feet. 
.wednesday...east wind 20 to 25 knots. slight chance of snow in
the afternoon. waves 2 to 4 feet subsiding to 4 to 6 feet in the
afternoon. waves occasionally to 8 feet. a small craft advisory
may be needed. 
.wednesday night...east wind 20 to 25 knots with gusts to around
30 knots. slight chance of snow in the evening, then chance of
snow after midnight. waves 5 to 8 feet. waves occasionally to
10 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579541

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz144-311600-
two harbors to duluth mn-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this afternoon...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. chance of
rain, snow and slight chance of light sleet early in the morning,
then slight chance of rain and snow late in the morning. waves
4 to 6 feet. waves occasionally to 8 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
early in the morning. mostly cloudy. waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight. 
.wednesday...east wind 20 to 25 knots. gusts up to 30 knots.
slight chance of snow in the afternoon. waves 2 to 4 feet
subsiding to 4 to 6 feet in the afternoon. waves occasionally to
8 feet. a small craft advisory may be needed. 
.wednesday night...east wind 20 to 25 knots with gusts to around
30 knots. slight chance of snow in the evening, then chance of
snow after midnight. waves 5 to 8 feet. waves occasionally to
10 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579542

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz145-311600-
duluth mn to port wing wi-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this afternoon...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 15 to 20 knots easing to 5 to 10 knots
late in the afternoon. chance of rain, snow and light freezing
rain early in the morning, then slight chance of rain and snow
late in the morning. waves 4 to 6 feet subsiding to 2 to 4 feet
late in the afternoon. waves occasionally to 8 feet. 
.tonight...north wind 10 to 15 knots. gusts up to 20 knots early
in the morning. mostly cloudy. waves 1 to 3 feet. 
.wednesday...east wind 20 to 25 knots with gusts to around
30 knots. slight chance of snow in the afternoon. waves 4 to
6 feet. waves occasionally to 8 feet. a small craft advisory may
be needed. 
.wednesday night...east wind 20 to 25 knots with gusts to around
30 knots. slight chance of snow in the evening, then chance of
snow after midnight. waves 4 to 7 feet. waves occasionally to
9 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579543

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz146-311600-
port wing to sand island wi-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 15 to 20 knots easing to 5 to 10 knots
late in the afternoon. snow likely, chance of rain and light
freezing rain likely early in the morning, then chance of snow
and slight chance of rain late in the morning. waves 4 to 6 feet.
waves occasionally to 8 feet. 
.tonight...north wind 10 to 15 knots becoming northeast with
gusts to around 20 knots early in the morning. mostly cloudy.
waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.wednesday...east wind 20 to 25 knots. slight chance of snow in
the afternoon. waves 3 to 5 feet. waves occasionally to 7 feet. a
small craft advisory may be needed. 
.wednesday night...east wind 20 to 25 knots. gusts up to 30 knots
in the evening then 30 knots early in the morning. slight chance
of snow in the evening, then chance of snow after midnight. waves
4 to 6 feet. waves occasionally to 8 feet. a small craft advisory
may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579544

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz147-311600-
sand island to bayfield wi-
246 am cdt tue mar 31 2026

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.today...northeast wind 10 to 15 knots. gusts up to 25 knots.
rain, snow and light freezing rain likely early in the morning,
then chance of snow and slight chance of rain late in the
morning. slight chance of snow late in the afternoon. waves 4 to
6 feet. waves occasionally to 8 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.wednesday...east wind 15 to 20 knots. gusts up to 25 knots late
in the afternoon. mostly cloudy. waves 3 to 5 feet. a small craft
advisory may be needed. 
.wednesday night...east wind 15 to 20 knots with gusts to around
25 knots. slight chance of snow in the evening, then chance of
snow after midnight. waves 4 to 6 feet. waves occasionally to
8 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 310746
nshdlh
expires:202603311600;;579546

nearshore marine forecast
national weather service duluth mn
246 am cdt tue mar 31 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.


lsz148-311600-
oak point to saxon harbor wi-
246 am cdt tue mar 31 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 15 to 20 knots becoming north 10 to
15 knots with gusts to around 20 knots in the afternoon. chance
of rain, snow and light freezing rain in the morning. waves 4 to
6 feet. waves occasionally to 8 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
early in the morning. mostly cloudy. waves 3 to 5 feet. waves
occasionally to 7 feet. a small craft advisory may be needed. 
.wednesday...northeast wind 15 to 20 knots. gusts up to 25 knots
late in the afternoon. mostly cloudy. waves 4 to 6 feet. waves
occasionally to 7 feet. a small craft advisory may be needed. 
.wednesday night...east wind 15 to 20 knots with gusts to around
25 knots. slight chance of snow in the evening, then chance of
snow after midnight. waves 4 to 6 feet. waves occasionally to
8 feet. a small craft advisory may be needed. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kmqt 310901
nshmqt
expires:202603312000;;582585

nearshore marine forecast
national weather service marquette mi
500 am edt tue mar 31 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.


lsz240-241-312000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
500 am edt tue mar 31 2026 /400 am cdt tue mar 31 2026/

...small craft advisory in effect through this evening...
...gale watch in effect from thursday morning through late
thursday night...

.early this morning...northeast wind 10 to 15 knots. cloudy with
a chance of rain showers and snow showers. waves 3 to 5 feet
occasionally to 7 feet. 
.today...northeast wind 10 to 15 knots backing north late.
cloudy. a chance of rain showers possibly mixed with snow showers
through mid morning, then a slight chance of rain showers and
snow showers by late morning. patchy fog through early afternoon.
waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...north wind 5 to 15 knots veering northeast 10 to
15 knots by midnight. mostly cloudy. waves subsiding to 2 to
3 feet, then building to 2 to 4 feet. 
.wednesday...northeast wind 10 to 20 knots. mostly cloudy. waves
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...east wind 15 to 20 knots. cloudy. a slight
chance of snow in the evening, then a chance of snow after
midnight. waves subsiding to 2 to 3 feet, then building to 2 to
4 feet. 

$$

fzus53 kmqt 310901
nshmqt
expires:202603312000;;582587

nearshore marine forecast
national weather service marquette mi
500 am edt tue mar 31 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.


lsz242-312000-
ontonagon to upper entrance of portage canal mi-
500 am edt tue mar 31 2026

...small craft advisory in effect until 2 pm edt this afternoon...
...gale watch in effect from thursday morning through late
thursday night...

.early this morning...northeast wind 10 to 15 knots with gusts up
to 22 knots. cloudy with a chance of snow showers possibly mixed
with rain showers. patchy fog. waves 2 to 4 feet. 
.today...east wind 10 to 15 knots backing northeast late. gusts
up to 22 knots. cloudy. snow showers likely possibly mixed with
rain showers through mid morning, then a chance of rain showers
and snow showers by late morning. patchy fog through early
afternoon. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots. mostly cloudy. waves
2 to 4 feet. 
.wednesday...east wind 10 to 20 knots. mostly cloudy. waves
subsiding to 2 to 3 feet. 
.wednesday night...east wind 15 to 20 knots. cloudy. a slight
chance of snow after midnight. waves subsiding to 1 to 2 feet,
then building to 2 to 3 feet. 

$$