fzus61 kbuf 191402
glflo 
expires:202605192100;;826074

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue may 19 2026

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...an 29.6 inch area of low pressure over the upper great 
lakes this morning, will move northeast into central quebec by 
wednesday morning while strengthening to 29.4 inches. a cold front 
attendant to this low will cross the lake tonight into wednesday 
morning, bringing a round of thunderstorms to pass across the lake. 
a large 30.4 inch high will then build across the entire great lakes 
region wednesday afternoon through thursday, before sliding east off 
the new england coast late friday. a 29.9 inch low and attendant 
warm front will then slowly approach the lake later friday night and 
saturday.


loz063>065-192100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue may 19 2026

.this afternoon...southwest winds 10 to 15 knots. waves 1 to
3 feet building to 2 to 4 feet. 
.tonight...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers and thunderstorms early, then
showers with a chance of thunderstorms. a chance of showers late.
waves 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots. a chance of showers in
the morning. waves 2 to 4 feet building to 3 to 6 feet. 
.wednesday night...west winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots diminishing to less
than 10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...east winds 5 to 15 knots increasing to 15 to 20 knots.
showers likely friday night. waves 1 to 3 feet building to 2 to
4 feet. 
.saturday...east winds 15 to 25 knots becoming southeast.
showers. waves 3 to 6 feet subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 191402
glflo 
expires:202605192100;;826073

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue may 19 2026

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...an 29.6 inch area of low pressure over the upper great 
lakes this morning, will move northeast into central quebec by 
wednesday morning while strengthening to 29.4 inches. a cold front 
attendant to this low will cross the lake tonight into wednesday 
morning, bringing a round of thunderstorms to pass across the lake. 
a large 30.4 inch high will then build across the entire great lakes 
region wednesday afternoon through thursday, before sliding east off 
the new england coast late friday. a 29.9 inch low and attendant 
warm front will then slowly approach the lake later friday night and 
saturday.


loz062-192100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue may 19 2026

.this afternoon...southwest winds 15 to 20 knots. waves 2 to
4 feet building to 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the evening, then showers
likely after midnight. waves 3 to 5 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. a
chance of showers in the morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north.
waves 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming east 10 knots
or less. waves 2 feet or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
showers likely friday night. waves 2 feet or less building to
3 to 5 feet. 
.saturday...east winds 15 to 25 knots diminishing to 10 to
15 knots. showers likely. waves 4 to 7 feet subsiding to 2 to
4 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191302
glfle 
expires:202605192015;;824144

open lake forecast for lake erie
national weather service cleveland oh
902 am edt tue may 19 2026

for waters beyond five nautical miles of shore on lake erie

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.

.synopsis...
a cold front moves southeast across the lake tonight. high
pressure 30.40 inches moves east across the great lakes wednesday
night through thursday night. a trough averaging 30.10 inches 
lifts north into the region friday and persists into the weekend.


lez061-168-169-192015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
902 am edt tue may 19 2026

.rest of today...southwest winds 10 to 15 knots. a slight chance
of showers late this morning, then a chance of showers with a
slight chance of thunderstorms early this afternoon. a slight
chance of showers and thunderstorms late. waves 2 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming west. showers
and thunderstorms in the evening, then showers likely with a
chance of thunderstorms after midnight. waves 2 to 4 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. a
chance of showers in the morning. waves 1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming
northeast. waves 1 to 2 feet. 
.thursday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. a chance of showers during
the day, then showers friday night. waves 1 to 3 feet. 
.saturday...southeast winds 15 to 20 knots becoming south 5 to
15 knots. showers likely during the day, then a chance of showers
saturday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191302
glfle 
expires:202605192015;;824142

open lake forecast for lake erie
national weather service cleveland oh
902 am edt tue may 19 2026

for waters beyond five nautical miles of shore on lake erie

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.

.synopsis...
a cold front moves southeast across the lake tonight. high
pressure 30.40 inches moves east across the great lakes wednesday
night through thursday night. a trough averaging 30.10 inches 
lifts north into the region friday and persists into the weekend.


lez162-163-192015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
902 am edt tue may 19 2026

.rest of today...south winds 15 to 20 knots becoming southwest. a
chance of showers late this morning, then a chance of showers
with a slight chance of thunderstorms early this afternoon. a
chance of showers and thunderstorms late. waves 1 to 3 feet
building to 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. showers and thunderstorms in the evening, then
showers likely with a slight chance of thunderstorms after
midnight. a chance of showers with a slight chance of
thunderstorms late. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast. a
chance of showers in the morning. waves 1 to 2 feet. 
.wednesday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots. waves 1 to 3 feet. 
.thursday...northeast winds 15 to 20 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday...east winds 15 to 25 knots. showers likely during the
day, then showers with a chance of thunderstorms friday night.
waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.saturday...southeast winds 15 to 20 knots becoming north 5 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191302
glfle 
expires:202605192015;;824143

open lake forecast for lake erie
national weather service cleveland oh
902 am edt tue may 19 2026

for waters beyond five nautical miles of shore on lake erie

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.

.synopsis...
a cold front moves southeast across the lake tonight. high
pressure 30.40 inches moves east across the great lakes wednesday
night through thursday night. a trough averaging 30.10 inches 
lifts north into the region friday and persists into the weekend.


lez164>167-192015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
902 am edt tue may 19 2026

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers late this morning, then a
chance of showers with a slight chance of thunderstorms early
this afternoon. a chance of showers and thunderstorms late. waves
2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming northwest.
showers and thunderstorms in the evening, then showers likely
with a chance of thunderstorms after midnight. showers likely
with a slight chance of thunderstorms late. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 1 to 3 feet. 
.wednesday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...northeast winds 15 to 20 knots becoming east. waves
2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.friday...east winds 15 to 20 knots. showers likely during the
day, then showers with a chance of thunderstorms friday night.
waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.saturday...southeast winds 15 to 20 knots becoming east 5 to
15 knots. showers likely during the day, then a chance of showers
saturday night. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 191358
glfsc 
expires:202605192200;;825734

lake st clair forecast
national weather service detroit/pontiac mi
958 am edt tue may 19 2026

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.

.synopsis...a cold front sweeps across the region this evening,
veering winds from southwest to northwest. strong to severe
thunderstorms will be possible ahead of this cold front. high
pressure, 30.50 inches, then builds in mid-week.


lcz460-192200-
lake st clair-
958 am edt tue may 19 2026

...small craft advisory in effect through this evening...

.rest of today...southwest winds 15 to 20 knots increasing to 20 to
25 knots late in the afternoon. partly sunny. a chance of showers
in the late morning and early afternoon. a chance of 
thunderstorms in the afternoon. showers likely late in the 
afternoon. waves 1 to 3 feet building to 2 to 4 feet in the 
afternoon.
.tonight...southwest winds 15 to 20 knots becoming west 10 to 15
knots by midnight...then becoming north 15 to 20 knots early in the
morning. mostly cloudy. showers likely early in the evening. a
chance of thunderstorms in the evening. a chance of light showers in
the late evening and overnight. waves 1 to 3 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to 15
knots in the late morning and afternoon. partly sunny. a chance of
light showers early in the morning. waves 1 to 3 feet.
.wednesday night...northeast winds 15 to 20 knots diminishing to 10
to 15 knots after midnight. mostly clear. waves 1 to 3 feet.
.thursday...northeast winds 10 to 15 knots. mostly sunny becoming
partly cloudy. waves 2 feet or less.
.friday...east winds 20 to 25 knots with gusts to 30 knots. showers.
waves 1 to 3 feet. a small craft advisory may be needed.
.saturday...northeast winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy with showers. waves 2 to 4 feet.

$$

fzus63 kdtx 191357
glflh 
expires:202605192200;;825718

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt tue may 19 2026

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...a cold front sweeps across the region this evening,
veering winds from southwest to northwest. strong to severe
thunderstorms will be possible ahead of this cold front. high
pressure, 30.50 inches, then builds in mid-week.


lhz362-363-192200-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
957 am edt tue may 19 2026

...dense fog advisory in effect until 4 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots. a chance of showers
and thunderstorms. waves 5 to 7 feet. waves occasionally around 
10 feet.
.tonight...southwest winds 15 to 20 knots veering to the
northwest in the late evening and overnight. a chance of showers
in the evening. waves 6 to 9 feet. waves occasionally around
12 feet. 
.wednesday...northwest winds 20 to 25 knots becoming north 15 to
20 knots in the late morning and afternoon. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday night...north winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday...northeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 2 feet or less. 
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
a chance of showers by midnight. waves 1 to 3 feet building to
3 to 5 feet . 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots . a chance of showers until afternoon. waves 4 to
6 feet. 


$$

fzus63 kdtx 191357
glflh 
expires:202605192200;;825719

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt tue may 19 2026

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...a cold front sweeps across the region this evening,
veering winds from southwest to northwest. strong to severe
thunderstorms will be possible ahead of this cold front. high
pressure, 30.50 inches, then builds in mid-week.


lhz462>464-192200-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
957 am edt tue may 19 2026

...dense fog advisory in effect until 4 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots. a chance of showers
late in the morning...then a chance of showers and thunderstorms
in the afternoon. waves 4 to 6 feet. waves occasionally around
8 feet. 
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. a chance of showers
and thunderstorms in the evening...then a chance of showers after
midnight. waves 4 to 6 feet. waves occasionally around 8 feet. 
.wednesday...north winds 10 to 15 knots. a chance of showers in
the morning. waves 4 to 6 feet. 
.wednesday night...north winds 10 to 15 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.thursday...northeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots
by midnight. a chance of showers early in the evening. rain
showers likely by midnight. waves 1 to 3 feet building to 3 to
5 feet . 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots . showers likely early in the morning. a chance of
showers in the late morning and early afternoon. waves 3 to
5 feet subsiding to 2 to 4 feet by midnight. 


$$

fzus63 kdtx 191357
glflh 
expires:202605192200;;825717

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt tue may 19 2026

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...a cold front sweeps across the region this evening,
veering winds from southwest to northwest. strong to severe
thunderstorms will be possible ahead of this cold front. high
pressure, 30.50 inches, then builds in mid-week.


lhz361-192200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
957 am edt tue may 19 2026

...dense fog advisory in effect until 4 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots veering to the west
late in the afternoon. a chance of showers late in the morning...
then showers likely with a chance of thunderstorms in the 
afternoon. waves 3 to 5 feet.
.tonight...northwest winds 15 to 20 knots increasing to 20 to
25 knots early in the morning. showers likely in the evening.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
afternoon. waves 5 to 7 feet. waves occasionally around 10 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming north
5 to 10 knots. waves 3 to 5 feet subsiding to 2 to 4 feet after
midnight. 
.thursday...northeast winds 5 to 10 knots veering to the east
late in the morning...then becoming light and variable late in
the evening. waves 2 feet or less. 
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
a chance of. waves 2 feet or less building to 2 to 4 feet. 
.saturday...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of showers early
in the morning. waves 5 to 7 feet. waves occasionally around
10 feet. 


$$