fzus61 kbuf 201410
glflo 
expires:202604202100;;694210

open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt mon apr 20 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 30.4 inch high will settle southeast across the great 
lakes through tonight, before sliding off the mid-atlantic coast 
tuesday. a 29.4 inch low over lower hudson bay tuesday, will weaken 
to 29.9 inches by wednesday, while pushing an attendant weak cold 
front across the lake tuesday night. a 30.2 inch high will then 
build across the great lakes region wednesday and thursday. a warm 
front will then approach the lake by friday. a 29.6 inch low may 
move southwest of the lake on saturday.


loz062-202100-
lake ontario open waters from the niagara river to hamlin beach-
1010 am edt mon apr 20 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south 10 knots or
less. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southeast. waves
1 to 2 feet. 
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. waves 2 feet or less. 
.wednesday...northeast winds less than 10 knots becoming north.
waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet building to
2 to 4 feet. 

$$

fzus63 kdtx 201934
glflh 
expires:202604210400;;707074

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm edt mon apr 20 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...high pressure dominates conditions through this
evening, then gusty south wind develops overnight into tuesday. a
cold front passes through the region tuesday night, followed by a
weaker area of high pressure on wednesday. a warm front then
slowly lifts into the area late thursday into friday as the
parent low pressure stalls over the upper midwest.


lhz361>363-210400-
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-
334 pm edt mon apr 20 2026

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots with gusts to around 30 knots in the late evening and
overnight. waves 2 to 4 feet building to 5 to 7 feet in the late
evening and overnight. waves occasionally around 10 feet. 
.tuesday...south winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the afternoon...
then backing to the southeast late in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tuesday night...north winds 5 to 10 knots. 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 becoming southeast
5 to 10 knots after midnight. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots becoming east 15 to
20 knots. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.friday...east winds 15 to 20 knots decreasing to 10 to 15 knots
early in the evening...then increasing to 15 to 20 knots by
midnight. a chance of showers in the late morning and early
afternoon. rain showers likely . waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers early in the morning. waves 3 to
5 feet. 


$$

fzus63 kdtx 201934
glflh 
expires:202604210400;;707075

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm edt mon apr 20 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...high pressure dominates conditions through this
evening, then gusty south wind develops overnight into tuesday. a
cold front passes through the region tuesday night, followed by a
weaker area of high pressure on wednesday. a warm front then
slowly lifts into the area late thursday into friday as the
parent low pressure stalls over the upper midwest.


lhz462>464-210400-
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-
334 pm edt mon apr 20 2026

.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots with gusts to around 30 knots. waves 1 to 3 feet
building to 3 to 5 feet after midnight. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of showers in the
morning. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...southeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 2 feet or less 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...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.friday...southeast winds 10 to 15 knots. showers likely . waves
2 to 4 feet. 
.saturday...east winds 10 to 15 knots backing to the north in the
late morning and early afternoon...then decreasing to 5 to
10 knots . a chance of showers until afternoon. waves 2 to
4 feet. 


$$