fzus61 kbuf 201401
glflo 
expires:202607202100;;291285

open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt mon jul 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 30.0 inch area of high pressure will build across the great lakes 
today, followed by a warm front crossing the lake tonight and 
another cold front tuesday night, with these fronts attached to a 
29.4 inch area of low pressure near james bay. a secondary cold 
front will cross the lake wednesday, with a 30.1 inch high building 
across the lower great lakes region wednesday night through friday.


loz062-202100-
lake ontario open waters from the niagara river to hamlin beach-
1001 am edt mon jul 20 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 201354
glflh 
expires:202607202200;;291085

open lake forecast for lake huron
national weather service detroit/pontiac mi
954 am edt mon jul 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lhz362-363-202200-
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-
954 am edt mon jul 20 2026

.rest of today...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots in the afternoon. patchy
smoke. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.tonight...south winds 15 to 20 knots increasing to 20 to
25 knots after midnight. gusts to 30 knots. a chance of showers
and thunderstorms. patchy smoke. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots in the late morning and
early afternoon...then becoming west 15 to 20 knots with gusts to
around 30 knots early in the afternoon. a chance of showers.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.tuesday night...northwest winds to 30 knots. waves 10 to
14 feet. waves occasionally around 18 feet. 
.wednesday...northwest winds to 30 knots decreasing to 10 to
15 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday...west winds 5 to 10 knots backing to the south . waves
3 to 5 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots backing to the south .
waves 2 feet or less. 


$$

fzus63 kdtx 201354
glflh 
expires:202607202200;;291086

open lake forecast for lake huron
national weather service detroit/pontiac mi
954 am edt mon jul 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lhz462>464-202200-
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-
954 am edt mon jul 20 2026

.rest of today...south winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. patchy smoke. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. patchy smoke. a chance of
showers and thunderstorms after midnight. waves 3 to 5 feet
building to 5 to 7 feet early in the morning. waves occasionally
around 10 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots in the late morning and
afternoon. a chance of showers in the morning...then a chance of
showers and thunderstorms in the afternoon. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday night...northwest winds 15 to 20 knots increasing to
20 to 25 knots in the late evening and overnight. gusts to
30 knots. a chance of showers and thunderstorms in the evening.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming north 10 to 15 knots late in the evening. waves
8 to 12 feet. waves occasionally around 15 feet. 
.thursday...west winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots .
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots backing to the south .
waves 2 feet or less. 


$$