fzus61 kbuf 040803
glflo 
expires:202608041500;;596446

open lake forecast for lake ontario
national weather service buffalo ny
403 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.


loz062-041500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt tue aug 4 2026

.today...southwest winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.tonight...east winds less than 10 knots 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 040803
glflo 
expires:202608041500;;596447

open lake forecast for lake ontario
national weather service buffalo ny
403 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>065-041500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt tue aug 4 2026

.today...west winds 5 to 10 knots becoming north. waves 2 feet 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 040755
glfle 
expires:202608041415;;596105

open lake forecast for lake erie
national weather service cleveland oh
355 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>169-041415-
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-
355 am edt tue aug 4 2026

.today...south 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.

$$

fzus61 kcle 040755
glfle 
expires:202608041415;;596104

open lake forecast for lake erie
national weather service cleveland oh
355 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>164-041415-
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-
355 am edt tue aug 4 2026

.today...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.

$$

fzus63 kdtx 040752
glflh 
expires:202608041600;;596093

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 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 influence lingers across the central
great lakes today as the center of the surface ridge slides
across appalachia into the northeast. meanwhile, a low pressure
system will move into hudson bay from northern ontario as its
attendant cold front tracks into the region from the west. it
briefly stalls out over lake huron wednesday providing the first
opportunity for showers and a few thunderstorms for the latter
half of the week.


lhz362-363-041600-
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-
352 am edt tue aug 4 2026

.today...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon...then increasing to 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
4 to 6 feet late in the afternoon. waves occasionally around
8 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 5 to
10 knots. waves 3 to 5 feet. 
.wednesday...south winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet. 
.wednesday night...light and variable winds. 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 040752
glflh 
expires:202608041600;;596092

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 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 influence lingers across the central
great lakes today as the center of the surface ridge slides
across appalachia into the northeast. meanwhile, a low pressure
system will move into hudson bay from northern ontario as its
attendant cold front tracks into the region from the west. it
briefly stalls out over lake huron wednesday providing the first
opportunity for showers and a few thunderstorms for the latter
half of the week.


lhz361-041600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
352 am edt tue aug 4 2026

.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. 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. a chance of showers. waves
2 feet or less. 
.wednesday night...light and variable winds. 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. 


$$

fzus63 kdtx 040752
glfsc 
expires:202608041600;;596096

lake st clair forecast
national weather service detroit/pontiac mi
352 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 influence lingers across the central
great lakes today as the center of the surface ridge slides
across appalachia into the northeast. meanwhile, a low pressure
system will move into hudson bay from northern ontario as its
attendant cold front tracks into the region from the west. it
briefly stalls out over lake huron wednesday providing the first
opportunity for showers and a few thunderstorms for the latter
half of the week.


lcz460-041600-
lake st clair-
352 am edt tue aug 4 2026

.today...light and variable winds becoming southeast 5 to 10 knots
in the afternoon. sunny. waves 2 feet or less.
.tonight...south winds 10 to 15 knots becoming light and variable.
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...south winds 5 to 10 knots veering to the
southwest after midnight. 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 040752
glflh 
expires:202608041600;;596094

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 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 influence lingers across the central
great lakes today as the center of the surface ridge slides
across appalachia into the northeast. meanwhile, a low pressure
system will move into hudson bay from northern ontario as its
attendant cold front tracks into the region from the west. it
briefly stalls out over lake huron wednesday providing the first
opportunity for showers and a few thunderstorms for the latter
half of the week.


lhz462>464-041600-
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-
352 am edt tue aug 4 2026

.today...south winds 5 to 10 knots becoming southeast 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots decreasing to 5 to 10 knots
early in the morning. waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots 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. 


$$