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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun aug 23 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 cold front continues to sweep eastward across lake 
ontario this evening. behind the front, a trough averaging 29.8 
inches lingers over lake ontario through monday. on tuesday through 
wednesday, a ridge averaging 30.1 inches builds from the western and 
central great lakes. the ridge should begin to exit eastward on 
thursday and allow a warm front to sweep northeastward across lake 
ontario. on friday, a cold front should sweep eastward across the 
lake and be followed by a high pressure ridge averaging 30.0 inches 
and building from the upper midwest.


loz062-240300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun aug 23 2026

.tonight...west winds 15 to 25 knots. a chance of waterspouts.
showers with a chance of thunderstorms early, then a chance of
showers from late evening on. waves 3 to 6 feet. 
.monday...southwest winds 15 to 25 knots becoming west. a chance
of waterspouts. a chance of showers early, then showers likely
from late morning on. waves 3 to 6 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.monday night...west winds 15 to 20 knots. a chance of
waterspouts. showers likely in the evening, then showers
overnight. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of waterspouts. showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday night...west winds 10 knots or less. waves 2 feet or
less. 
.wednesday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.thursday...south winds 10 to 15 knots becoming west. a chance of
showers and thunderstorms. waves 2 feet or less. 
.friday...west winds 5 to 15 knots becoming northwest. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt sun aug 23 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...post-frontal northwest flow brings breezy conditions
through monday. chances for some rain showers and an isolated
thunderstorm will return this evening and overnight, favored
across lake huron, high pressure, 30.10 inches, will move over
the great lakes late tomorrow into tuesday.


lhz362-363-240345-
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-
338 pm edt sun aug 23 2026

.tonight...northwest winds 20 to 25 knots with gusts to 35 knot
gales. a chance of waterspouts in the evening. a chance of
showers in the evening...then showers likely after midnight.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots. a chance of showers in the morning. waves 8 to 12 feet.
waves occasionally around 15 feet. 
.monday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 6 to
9 feet subsiding to 4 to 6 feet after midnight. waves
occasionally around 12 feet. 
.tuesday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.tuesday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots with gusts to around
30 knots increasing to 15 to 20 knots with gusts to around
30 knots late in the afternoon...then decreasing to 10 to
15 knots late in the evening. a chance of showers. a chance of
thunderstorms late in the afternoon. waves 1 to 3 feet building
to 3 to 5 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots . waves 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet . 


$$

fzus63 kdtx 231938
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open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt sun aug 23 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...post-frontal northwest flow brings breezy conditions
through monday. chances for some rain showers and an isolated
thunderstorm will return this evening and overnight, favored
across lake huron, high pressure, 30.10 inches, will move over
the great lakes late tomorrow into tuesday.


lhz462>464-240345-
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-
338 pm edt sun aug 23 2026

.tonight...northwest winds 15 to 20 knots with gusts to around
30 knots becoming west 20 to 25 knots with gusts to around
30 knots early in the morning. a chance of showers. waves 8 to
12 feet. waves occasionally around 15 feet. 
.monday...west winds 20 to 25 knots becoming northwest 15 to
20 knots in the afternoon. gusts to 30 knots. a chance of showers
in the morning. waves 8 to 12 feet. waves occasionally around
15 feet. 
.monday night...northwest winds 10 to 15 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.tuesday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. waves 3 to 5 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.tuesday night...light and variable winds becoming south 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...south winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon...then decreasing to 10 to
15 knots late in the evening. a chance of showers late in the
morning. a chance of thunderstorms late in the afternoon. rain
showers likely late in the evening. waves 1 to 3 feet building to
3 to 5 feet late in the afternoon. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then becoming northwest 10 to
15 knots by midnight. a chance of showers early in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots becoming north 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet . 


$$