fzus61 kbuf 182002
glflo 
expires:202605190300;;785052

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon may 18 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 area of low pressure developing over the central 
plains today will weaken from 29.4 inches to 29.6 inches as it 
tracks northeast to the upper great lakes tonight into tuesday 
morning, then to central quebec wednesday while strengthening to 
29.4 inches. a cold front attendant to this low will cross the lake 
late tuesday night into wednesday morning. a large 30.4 inch high 
will then build across the entire great lakes region wednesday night 
through thursday. high pressure will move to the east and weaken to 
30.1 inches friday. a 29.9 inch low will track across the ohio 
valley and near the lake saturday.


loz062-190300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon may 18 2026

.tonight...southwest winds 10 to 15 knots. a chance of showers
after midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers likely overnight. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots. showers likely 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 10 knots or less becoming east. 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
2 to 4 feet. 
.saturday...east winds 15 to 25 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
saturday night. waves 3 to 6 feet subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 182223 aaa
glflh 
expires:202605190630;;790896

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
623 pm edt mon may 18 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...strong to severe thunderstorms are likely this
afternoon-evening and again possible tuesday as a cold front
sweeps across the region. high pressure, 30.50 inches, then
builds in mid-week.


lhz362-363-190630-
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-
623 pm edt mon may 18 2026

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. showers and a chance of
thunderstorms in the evening. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tuesday...south winds 15 to 20 knots increasing to 20 to
25 knots early in the afternoon...then decreasing to 15 to
20 knots late in the afternoon. a chance of showers in the
afternoon. waves 4 to 6 feet building to 6 to 9 feet in the
afternoon. waves occasionally around 12 feet. 
.tuesday night...southwest winds 15 to 20 knots veering to the
northwest with gusts to around 30 knots 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 with gusts to around
30 knots decreasing to 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 becoming light and
variable...then becoming northeast 5 to 10 knots late in the
evening. waves 1 to 3 feet. 
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet by midnight. 
.saturday...east winds 15 to 20 knots decreasing to 10 to
15 knots . a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet by midnight. 


$$

fzus63 kdtx 182223 aaa
glflh 
expires:202605190630;;790897

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
623 pm edt mon may 18 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...strong to severe thunderstorms are likely this
afternoon-evening and again possible tuesday as a cold front
sweeps across the region. high pressure, 30.50 inches, then
builds in mid-week.


lhz462>464-190630-
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-
623 pm edt mon may 18 2026

.tonight...south winds 10 to 15 knots. showers and a chance of
thunderstorms in the evening. waves 3 to 5 feet. 
.tuesday...south winds 15 to 20 knots. a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.tuesday night...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 3 to 5 feet. 
.wednesday...north winds 10 to 15 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.wednesday night...north winds 10 to 15 knots. waves 3 to 5 feet.
.thursday...northeast winds 5 to 10 knots becoming north 10 to
15 knots late in the afternoon...then becoming northeast 5 to
10 knots late in the evening. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.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
2 to 4 feet by midnight. 
.saturday...east winds 15 to 20 knots decreasing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 


$$