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.

$$

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. 


$$