fzus61 kbuf 252002
glflo 
expires:202608260300;;351930

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue aug 25 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 30.1 inch ridge will build from the western and 
central great lakes through wednesday. the ridge will exit eastward 
wednesday night through thursday morning and allow a warm front to 
sweep northeastward across lake ontario before a cold front sweeps 
eastward across the lake thursday evening and thursday night. behind 
the cold front, a high pressure ridge averaging 30.0 inches should 
build from the upper midwest through saturday and then begin to exit 
eastward sunday.


loz062-260300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue aug 25 2026

.tonight...west winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.wednesday night...east winds 5 to 15 knots becoming south.
showers and thunderstorms likely overnight. waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. showers and
thunderstorms likely. waves 1 to 3 feet. 
.thursday night...west winds 5 to 10 knots becoming northwest. a
chance of showers and thunderstorms in the evening. waves 1 to
2 feet. 
.friday...northwest winds 10 knots or less becoming north. waves
1 foot or less. 
.saturday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...southwest winds 10 knots or less. a chance of showers
sunday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 252002
glflo 
expires:202608260300;;351931

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue aug 25 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 30.1 inch ridge will build from the western and 
central great lakes through wednesday. the ridge will exit eastward 
wednesday night through thursday morning and allow a warm front to 
sweep northeastward across lake ontario before a cold front sweeps 
eastward across the lake thursday evening and thursday night. behind 
the cold front, a high pressure ridge averaging 30.0 inches should 
build from the upper midwest through saturday and then begin to exit 
eastward sunday.


loz063>065-260300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue aug 25 2026

.tonight...west winds 10 knots or less. waves 2 feet or less. 
.wednesday...southwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.wednesday night...east winds 5 to 15 knots becoming south 15 to
20 knots. showers and thunderstorms likely overnight. waves 1 to
3 feet building to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers and thunderstorms likely. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west.
showers and thunderstorms likely in the evening, then a chance of
showers and thunderstorms overnight. waves 1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.saturday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...south winds 5 to 10 knots. a chance of showers sunday
night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 251945
glfle 
expires:202608260215;;351188

open lake forecast for lake erie
national weather service cleveland oh
345 pm edt tue aug 25 2026

for waters beyond five nautical miles of shore on lake erie

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 of 30.10 inches over lake erie will moves to new 
england on wednesday. low pressure of 29.70 inches will pass north
of the great lakes wednesday and thursday, pulling a cold front 
across lake erie. high pressure of 30.20 inches will build into 
the great lakes friday before settling to the mid-atlantic region 
on sunday.


lez061-165>169-260215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
345 pm edt tue aug 25 2026

.tonight...southwest winds 10 knots or less becoming south. waves
2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.wednesday night...south winds 10 to 15 knots becoming southwest
15 to 20 knots. a chance of showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers. waves 2 to 4 feet. 
.thursday night...west winds 5 to 15 knots becoming north. a
chance of showers. waves 1 to 3 feet subsiding to 1 foot or less.
.friday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.saturday...east winds 10 knots or less becoming southeast. waves
1 foot or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 251945
glfle 
expires:202608260215;;351187

open lake forecast for lake erie
national weather service cleveland oh
345 pm edt tue aug 25 2026

for waters beyond five nautical miles of shore on lake erie

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 of 30.10 inches over lake erie will moves to new 
england on wednesday. low pressure of 29.70 inches will pass north
of the great lakes wednesday and thursday, pulling a cold front 
across lake erie. high pressure of 30.20 inches will build into 
the great lakes friday before settling to the mid-atlantic region 
on sunday.


lez162>164-260215-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
345 pm edt tue aug 25 2026

.tonight...southeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.wednesday...south winds around 10 knots becoming southwest.
waves 2 feet or less. 
.wednesday night...south winds 10 to 15 knots becoming southwest.
a chance of showers and thunderstorms. waves 1 to 3 feet. 
.thursday...west winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...north winds 5 to 10 knots becoming east. waves 2 feet
or less. 
.saturday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 251930
glflh 
expires:202608260330;;350774

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 pm edt tue aug 25 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, 30.10 inches, holds over the great
lakes today. southwest winds will increase tonight ahead of a
cold front, which brings showers and thunderstorms to the central
great lakes tomorrow.


lhz361-260330-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
330 pm edt tue aug 25 2026

.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots early in the morning. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots becoming southeast 5 to
10 knots late in the afternoon. a chance of showers in the
morning...then showers and a chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 
.wednesday night...southeast winds 5 to 10 knots becoming west
10 to 15 knots in the late evening and overnight. showers and a
chance of thunderstorms in the evening. waves 1 to 3 feet. 
.thursday...northwest winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.friday...north winds 5 to 10 knots backing to the west late in
the afternoon...then becoming light and variable late in the
evening. waves 2 feet or less. 
.saturday...south winds 5 to 10 knots backing to the southeast
early in the evening...then becoming south 10 to 15 knots by
midnight. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
. a chance of showers. waves 2 feet or less. 


$$

fzus63 kdtx 251930
glflh 
expires:202608260330;;350776

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 pm edt tue aug 25 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, 30.10 inches, holds over the great
lakes today. southwest winds will increase tonight ahead of a
cold front, which brings showers and thunderstorms to the central
great lakes tomorrow.


lhz462>464-260330-
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-
330 pm edt tue aug 25 2026

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


$$

fzus63 kdtx 251930
glfsc 
expires:202608260330;;350783

lake st clair forecast
national weather service detroit/pontiac mi
330 pm edt tue aug 25 2026

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, 30.10 inches, holds over the great
lakes today. southwest winds will increase tonight ahead of a
cold front, which brings showers and thunderstorms to the central
great lakes tomorrow.


lcz460-260330-
lake st clair-
330 pm edt tue aug 25 2026

.tonight...south winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.wednesday...southwest winds 5 to 10 knots becoming south 10 to 15
knots in the late morning and afternoon. partly sunny. waves 2 feet
or less.
.wednesday night...southwest winds 10 to 15 knots. partly cloudy
becoming mostly cloudy by midnight becoming partly cloudy. a chance
of showers and thunderstorms . waves 2 feet or less.
.thursday...west winds 5 to 10 knots. mostly cloudy early in the
morning then clearing. waves 2 feet or less.
.thursday night...north winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.friday...north winds 5 to 10 knots becoming northeast 10 to 15
knots in the evening. clear. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.sunday...south winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kdtx 251930
glflh 
expires:202608260330;;350775

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 pm edt tue aug 25 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, 30.10 inches, holds over the great
lakes today. southwest winds will increase tonight ahead of a
cold front, which brings showers and thunderstorms to the central
great lakes tomorrow.


lhz362-363-260330-
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-
330 pm edt tue aug 25 2026

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


$$