fzus61 kbuf 041403
glflo 
expires:202608042100;;609144

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt tue aug 4 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 averaging 30.0 inches builds eastward across the 
lake ontario region today and then exit slowly toward new england 
through saturday. a cold front should approach lake ontario slowly 
from the northwest thursday through saturday.


loz062-042100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt tue aug 4 2026

.this afternoon...southwest winds 5 to 10 knots becoming
northeast. waves 1 foot or less. 
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...southwest winds less than 10 knots. waves 1 foot or
less. 
.wednesday night...east winds 10 knots or less becoming
southwest. a chance of showers overnight. waves 1 foot or less. 
.thursday...southwest winds less than 10 knots. a chance of
showers. waves 1 foot or less. 
.friday...west winds less than 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming southwest. a chance
of showers during the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 041403
glflo 
expires:202608042100;;609145

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt tue aug 4 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 averaging 30.0 inches builds eastward across the 
lake ontario region today and then exit slowly toward new england 
through saturday. a cold front should approach lake ontario slowly 
from the northwest thursday through saturday.


loz063>065-042100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt tue aug 4 2026

.this afternoon...southwest winds 5 to 15 knots becoming north.
waves 1 foot or less. 
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming east less than
10 knots. waves 2 feet or less. 
.wednesday night...southeast winds 10 knots or less becoming
south. a chance of showers overnight. waves 1 foot or less. 
.thursday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.friday...west winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms during the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 041315
glfle 
expires:202608042015;;608132

open lake forecast for lake erie
national weather service cleveland oh
915 am edt tue aug 4 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 30.00 inches over lake erie will weaken on
wednesday as it drifts east ahead of an approaching cold front. 
this front will cross lake erie thursday and friday before
stalling just east of the lakes on saturday.


lez162>164-042015-
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-
915 am edt tue aug 4 2026

.this afternoon...south winds less than 10 knots becoming east.
waves 1 foot or less. 
.tonight...east winds less than 10 knots. waves 1 foot or less. 
.wednesday...light and variable winds. waves 1 foot or less. 
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms during the day, then showers likely with a
chance of thunderstorms thursday night. waves 1 foot or less. 
.friday...southwest winds 10 knots or less. a chance of showers
and thunderstorms friday night. waves 1 foot or less. 
.saturday...southwest winds 5 to 10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 041315
glfle 
expires:202608042015;;608133

open lake forecast for lake erie
national weather service cleveland oh
915 am edt tue aug 4 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 30.00 inches over lake erie will weaken on
wednesday as it drifts east ahead of an approaching cold front. 
this front will cross lake erie thursday and friday before
stalling just east of the lakes on saturday.


lez061-165>169-042015-
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-
915 am edt tue aug 4 2026

.this afternoon...southwest winds less than 10 knots becoming
northeast. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.wednesday night...southeast winds 10 knots or less becoming
south. waves 1 foot or less. 
.thursday...southwest winds 10 knots or less. showers likely with
a chance of thunderstorms thursday night. waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 1 foot or less. 
.saturday...southwest winds 5 to 15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 041326
glfsc 
expires:202608042130;;608246

lake st clair forecast
national weather service detroit/pontiac mi
926 am edt tue aug 4 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, 30.00 inches, will retreat across the
eastern great lakes toward the mid atlantic today and tonight. a
slow moving cold front, 29.90 inches, will move from the western
great lakes wednesday to the eastern great lakes thursday
afternoon and thursday night. this front will trigger showers and
a chance of thunderstorms across the region. a weak south-
southwest flow will then take hold across the region friday into
saturday.


lcz460-042130-
lake st clair-
926 am edt tue aug 4 2026

.rest of today...south winds 5 to 10 knots. sunny. waves 2 feet or
less.
.tonight...south winds 5 to 10 knots. clear. waves 2 feet or less.
.wednesday...light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. sunny. waves 2 feet or less.
.wednesday night...southwest winds 5 to 10 knots. mostly clear.
waves 2 feet or less.
.thursday...southwest winds 5 to 10 knots backing to the south in
the evening. partly sunny becoming mostly cloudy. a chance of light
showers. a chance of thunderstorms in the afternoon and evening.
light showers likely in the evening. waves 2 feet or less.
.friday...south winds 5 to 10 knots. partly cloudy. light showers
likely and a chance of thunderstorms. waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots. mostly clear. waves 2
feet or less.

$$

fzus63 kdtx 041325
glflh 
expires:202608042130;;608240

open lake forecast for lake huron
national weather service detroit/pontiac mi
925 am edt tue aug 4 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, 30.00 inches, will retreat across the
eastern great lakes toward the mid atlantic today and tonight. a
slow moving cold front, 29.90 inches, will move from the western
great lakes wednesday to the eastern great lakes thursday
afternoon and thursday night. this front will trigger showers and
a chance of thunderstorms across the region. a weak south-
southwest flow will then take hold across the region friday into
saturday.


lhz462>464-042130-
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-
925 am edt tue aug 4 2026

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


$$

fzus63 kdtx 041325
glflh 
expires:202608042130;;608239

open lake forecast for lake huron
national weather service detroit/pontiac mi
925 am edt tue aug 4 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, 30.00 inches, will retreat across the
eastern great lakes toward the mid atlantic today and tonight. a
slow moving cold front, 29.90 inches, will move from the western
great lakes wednesday to the eastern great lakes thursday
afternoon and thursday night. this front will trigger showers and
a chance of thunderstorms across the region. a weak south-
southwest flow will then take hold across the region friday into
saturday.


lhz362-363-042130-
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-
925 am edt tue aug 4 2026

.rest of today...south winds 10 to 15 knots. waves 1 to 3 feet
building to 3 to 5 feet late in the afternoon. waves occasionally
around 6 feet. 
.tonight...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the morning. waves 3 to 5 feet. 
.wednesday...south winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet. 
.wednesday night...south winds 5 to 10 knots early in the evening
becoming light and variable. a chance of showers in the evening...
then showers likely after midnight. waves 2 feet or less. 
.thursday...light and variable winds. a chance of showers. waves
2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots .
waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. a chance of showers by midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 041325
glflh 
expires:202608042130;;608238

open lake forecast for lake huron
national weather service detroit/pontiac mi
925 am edt tue aug 4 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, 30.00 inches, will retreat across the
eastern great lakes toward the mid atlantic today and tonight. a
slow moving cold front, 29.90 inches, will move from the western
great lakes wednesday to the eastern great lakes thursday
afternoon and thursday night. this front will trigger showers and
a chance of thunderstorms across the region. a weak south-
southwest flow will then take hold across the region friday into
saturday.


lhz361-042130-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
925 am edt tue aug 4 2026

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


$$