fzus61 kbuf 212003
glflo 
expires:202604220300;;762097

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt tue apr 21 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...a weak 29.4 inch low will cross the area tonight, and in 
the process drag an attendant cold front across the lake. a 30.1 
inch high will then build across the great lakes region wednesday 
and thursday. a warm front will approach the lake by friday. a 29.7 
inch low will move southwest of the lake on saturday, followed by a 
30.2 inch high building across the lake saturday night and sunday.


loz062-220300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt tue apr 21 2026

.tonight...east winds 15 to 20 knots becoming south and
diminishing to 10 knots or less after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...northeast winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.wednesday night...west winds 10 knots or less becoming
northwest. waves 1 foot or less. 
.thursday...northwest winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.thursday night...southwest winds 10 knots or less becoming
northeast 10 to 15 knots. waves 2 feet or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of rain showers friday night. waves 1 to 3 feet building
to 3 to 6 feet. 
.saturday...east winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of showers. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.sunday...east winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus63 kdtx 211936
glflh 
expires:202604220400;;761258

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 pm edt tue apr 21 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 weak low pressure system and cold front will pass
through the great lakes this afternoon and evening, bringing a
chance of showers and storms across the south. an area of high
pressure follows wednesday. a warm front then slowly lifts into
the area late thursday into friday as the parent low pressure
stalls over the northern plains.


lhz361>363-220400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
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-
336 pm edt tue apr 21 2026

.tonight...east winds 5 to 10 knots veering to the west after
midnight...then veering to the northwest early in the morning.
waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. 
.wednesday...north winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 feet or less. 
.wednesday night...light and variable winds. waves 2 feet or
less. 
.thursday...east winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.thursday night...east winds 10 to 15 knots. waves 4 to 6 feet. 
.friday...east winds 15 to 20 knots. a chance of showers late in
the morning. showers likely late in the evening. waves 6 to
9 feet. waves occasionally around 12 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of showers early in the morning. waves 4 to
6 feet subsiding to 2 to 4 feet by midnight. waves occasionally
around 8 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then veering to the northeast by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$

fzus63 kdtx 211936
glflh 
expires:202604220400;;761259

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 pm edt tue apr 21 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 weak low pressure system and cold front will pass
through the great lakes this afternoon and evening, bringing a
chance of showers and storms across the south. an area of high
pressure follows wednesday. a warm front then slowly lifts into
the area late thursday into friday as the parent low pressure
stalls over the northern plains.


lhz462>464-220400-
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-
336 pm edt tue apr 21 2026

.tonight...south winds 5 to 10 knots veering to the southwest
after midnight...then veering to the northwest early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots. a chance of showers late in
the morning. showers likely late in the afternoon. waves 1 to
3 feet building to 3 to 5 feet late in the afternoon. 
.saturday...east winds 10 to 15 knots becoming northeast 5 to
10 knots. showers likely early in the morning...then a chance of
showers in the late morning and early afternoon. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots.
waves 1 to 3 feet. 


$$