fzus61 kbuf 172002
glflo 
expires:202608180300;;896971

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon aug 17 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 ridge of high pressure averaging 30.0 inches will 
build over the lower great lakes tonight through tuesday, then drift 
to the eastern seaboard wednesday. a cold front will cross the lake 
wednesday before another 30.1 inch high builds into the great lakes 
thursday through friday.


loz062-180300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon aug 17 2026

.tonight...west winds 5 to 15 knots becoming north. waves 2 feet
or less. 
.tuesday...north winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday night...south winds 10 to 15 knots becoming southwest.
showers likely overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. showers
likely. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers during the day, then showers likely saturday
night. waves 2 feet or less. 

$$

fzus61 kbuf 172002
glflo 
expires:202608180300;;896972

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon aug 17 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 ridge of high pressure averaging 30.0 inches will 
build over the lower great lakes tonight through tuesday, then drift 
to the eastern seaboard wednesday. a cold front will cross the lake 
wednesday before another 30.1 inch high builds into the great lakes 
thursday through friday.


loz063>065-180300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon aug 17 2026

.tonight...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet subsiding to 1 foot or less. 
.tuesday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday night...west winds 5 to 15 knots becoming southwest. a
chance of showers overnight. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming west.
showers likely in the morning, then showers likely with a chance
of thunderstorms in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots becoming northwest. a
chance of showers in the evening. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.friday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots. a chance of showers during
the day, then showers likely saturday night. waves 2 feet or
less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171953
glfle 
expires:202608180215;;896581

open lake forecast for lake erie
national weather service cleveland oh
353 pm edt mon aug 17 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 30.00 inches will move south of lake erie on 
tuesday. a cold front will move south across the lake on 
wednesday. high pressure 30.20 inches will build over the lake on
thursday and friday.


lez162>164-180215-
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-
353 pm edt mon aug 17 2026

.tonight...northeast winds 10 knots or less. waves 2 feet or
less. 
.tuesday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 2 feet or less. 
.wednesday...west winds 5 to 15 knots. a chance of showers. waves
2 feet or less. 
.wednesday night...northwest winds 5 to 10 knots becoming east. a
chance of showers in the evening. waves 1 foot or less. 
.thursday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.friday...east winds 10 knots or less becoming southwest. waves
1 foot or less. 
.saturday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171953
glfle 
expires:202608180215;;896582

open lake forecast for lake erie
national weather service cleveland oh
353 pm edt mon aug 17 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 30.00 inches will move south of lake erie on 
tuesday. a cold front will move south across the lake on 
wednesday. high pressure 30.20 inches will build over the lake on
thursday and friday.


lez165>167-180215-
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-
353 pm edt mon aug 17 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171953
glfle 
expires:202608180215;;896583

open lake forecast for lake erie
national weather service cleveland oh
353 pm edt mon aug 17 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 30.00 inches will move south of lake erie on 
tuesday. a cold front will move south across the lake on 
wednesday. high pressure 30.20 inches will build over the lake on
thursday and friday.


lez061-168-169-180215-
ripley to buffalo ny extending from 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-
353 pm edt mon aug 17 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 171935
glfsc 
expires:202608180345;;896131

lake st clair forecast
national weather service detroit/pontiac mi
335 pm edt mon aug 17 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...diffuse area of high pressure, 30.00 inches, will hold
across the great lakes through tomorrow morning. a cold front
will then push across the region tomorrow afternoon through
tomorrow evening. this will bring showers and thunderstorms and
will veer winds from southwest to northwest in the wake of the
front.


lcz460-180345-
lake st clair-
335 pm edt mon aug 17 2026

.tonight...northeast winds 10 to 15 knots diminishing to 5 to 10
knots late in the evening...then becoming light and variable after
midnight. clear. waves 2 feet or less.
.tuesday...light and variable winds becoming south 5 to 10 knots in
the afternoon. partly sunny. waves 2 feet or less.
.tuesday night...southwest winds 10 to 15 knots. partly cloudy. a
chance of light showers after midnight. waves 2 feet or less.
.wednesday...northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and afternoon. partly sunny. a chance of
light showers early in the morning. a chance of light showers early
in the afternoon. waves 2 feet or less.
.wednesday night...northeast winds 5 to 10 knots. mostly clear. a
chance of light showers early in the evening. waves 2 feet or less.
.thursday...northeast winds 5 to 10 knots in the morning becoming
light and variable...then becoming east 5 to 10 knots in the
evening. mostly clear. waves 2 feet or less.
.friday...south winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.saturday...northwest winds 5 to 10 knots. mostly clear. showers
likely and a chance of thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 171934
glflh 
expires:202608180345;;896129

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm edt mon aug 17 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...diffuse area of high pressure, 30.00 inches, will hold
across the great lakes through tomorrow morning. a cold front
will then push across the region tomorrow afternoon through
tomorrow evening. this will bring showers and thunderstorms and
will veer winds from southwest to northwest in the wake of the
front.


lhz462>464-180345-
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 aug 17 2026

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


$$

fzus63 kdtx 171934
glflh 
expires:202608180345;;896128

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm edt mon aug 17 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...diffuse area of high pressure, 30.00 inches, will hold
across the great lakes through tomorrow morning. a cold front
will then push across the region tomorrow afternoon through
tomorrow evening. this will bring showers and thunderstorms and
will veer winds from southwest to northwest in the wake of the
front.


lhz362-363-180345-
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 aug 17 2026

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


$$

fzus63 kdtx 171934
glflh 
expires:202608180345;;896127

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm edt mon aug 17 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...diffuse area of high pressure, 30.00 inches, will hold
across the great lakes through tomorrow morning. a cold front
will then push across the region tomorrow afternoon through
tomorrow evening. this will bring showers and thunderstorms and
will veer winds from southwest to northwest in the wake of the
front.


lhz361-180345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
334 pm edt mon aug 17 2026

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


$$