fzus61 kbuf 210803
glflo 
expires:202604211500;;734546

open lake forecast for lake ontario
national weather service buffalo ny
403 am 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 30.4 inch high will settle southeast across the great 
lakes 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 a 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 approach the 
lake by friday. a 29.6 inch low may move southwest of the lake on 
saturday.


loz062-211500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt tue apr 21 2026

.today...south winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.tonight...southeast winds 5 to 15 knots becoming northeast. a
chance of rain showers after midnight. waves 1 to 3 feet. 
.wednesday...north winds less than 10 knots. waves 2 feet or
less. 
.wednesday night...west winds less than 10 knots becoming
northwest. waves 1 foot or less. 
.thursday...north winds 10 knots or less becoming northeast.
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
3 to 5 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. showers likely. waves 3 to 5 feet. 

$$

fzus63 kdtx 210714
glflh 
expires:202604211515;;732877

open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am 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 will pass through southeast
michigan this afternoon and evening. there is a chance of showers
and storms across the south and is followed by an area of high
pressure at 30.00 inches on wednesday. a warm front slowly lifts
into the area late thursday into friday as the parent low
pressure stalls over the upper midwest.


lhz361>363-211515-
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-
314 am edt tue apr 21 2026

.today...south winds 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. waves 6 to 9 feet. waves occasionally around
12 feet. 
.tonight...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. waves 2 feet or
less. 
.thursday...east winds 5 to 10 knots increasing to 10 to
15 knots. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.friday...east winds 15 to 20 knots. 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 until afternoon. waves 3 to 5 feet.


$$

fzus63 kdtx 210714
glflh 
expires:202604211515;;732878

open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am 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 will pass through southeast
michigan this afternoon and evening. there is a chance of showers
and storms across the south and is followed by an area of high
pressure at 30.00 inches on wednesday. a warm front slowly lifts
into the area late thursday into friday as the parent low
pressure stalls over the upper midwest.


lhz462>464-211515-
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-
314 am edt tue apr 21 2026

.today...south winds 20 to 25 knots decreasing to 10 to 15 knots.
sprinkles. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tonight...south winds 5 to 10 knots. 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...southeast winds 5 to 10 knots becoming east 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 northeast in
the late morning and early afternoon...then becoming north 5 to
10 knots . showers likely early in the morning...then a chance of
showers in the late morning and early afternoon. waves 2 to
4 feet. 


$$