fzus61 kbuf 302001
glflo 
expires:202607310300;;351163

open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt thu jul 30 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 weak trough averaging 29.6 inches exits eastward while a ridge 
averaging 30.0 inches builds from the western great lakes through 
tonight. the ridge exits slowly eastward friday through saturday 
before a cold front sweeps eastward across lake ontario on sunday. 
in the wake of the front, a 30.0 inch high builds over the western 
great lakes builds southeast across the lower great lakes region 
for monday and tuesday.


loz062-310300-
lake ontario open waters from the niagara river to hamlin beach-
401 pm edt thu jul 30 2026

.tonight...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.friday...west winds less than 10 knots becoming southwest. waves
1 foot or less. 
.friday night...south winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.saturday...southwest winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...northeast winds 5 to 10 knots becoming east. a
chance of showers in the evening, then showers overnight. waves
1 foot or less. 
.sunday...southeast winds 10 knots or less becoming northeast.
showers with a chance of thunderstorms. waves 1 foot or less. 
.monday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 302001
glflo 
expires:202607310300;;351164

open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt thu jul 30 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 weak trough averaging 29.6 inches exits eastward while a ridge 
averaging 30.0 inches builds from the western great lakes through 
tonight. the ridge exits slowly eastward friday through saturday 
before a cold front sweeps eastward across lake ontario on sunday. 
in the wake of the front, a 30.0 inch high builds over the western 
great lakes builds southeast across the lower great lakes region 
for monday and tuesday.


loz063>065-310300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
401 pm edt thu jul 30 2026

.tonight...west winds 5 to 15 knots. waves 2 feet or less. 
.friday...west winds 10 knots or less. waves 1 foot or less. 
.friday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday night...east winds 10 knots or less becoming southeast.
a chance of showers in the evening, then showers likely
overnight. waves 1 foot or less. 
.sunday...south winds 5 to 15 knots becoming north. showers with
a chance of thunderstorms. waves 2 feet or less. 
.monday...north winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301948
glfle 
expires:202607310215;;350824

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt thu jul 30 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 30.10 inches will remain over the region through 
friday. low pressure 29.60 inches will enter from the west on 
saturday and slowly pass south of the lake through sunday. high 
pressure 30.00 inches will build back into the great lakes region 
on monday.


lez165>167-310215-
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-
348 pm edt thu jul 30 2026

.tonight...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.friday...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...south winds 10 knots or less. waves 1 foot or
less. 
.saturday...south winds 5 to 10 knots becoming east. a chance of
showers in the afternoon. waves 1 foot or less. 
.saturday night...east winds 5 to 10 knots. showers. waves 2 feet
or less. 
.sunday...east winds 10 to 15 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then a
chance of showers sunday night. waves 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.tuesday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301948
glfle 
expires:202607310215;;350825

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt thu jul 30 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 30.10 inches will remain over the region through 
friday. low pressure 29.60 inches will enter from the west on 
saturday and slowly pass south of the lake through sunday. high 
pressure 30.00 inches will build back into the great lakes region 
on monday.


lez061-168-169-310215-
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-
348 pm edt thu jul 30 2026

.tonight...west winds 10 knots or less. waves 1 foot or less. 
.friday...southwest winds less than 10 knots becoming west. waves
1 foot or less. 
.friday night...light and variable winds becoming south 5 to
10 knots. waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...east winds 5 to 10 knots becoming southeast.
showers. waves 1 foot or less. 
.sunday...southeast winds 5 to 15 knots becoming northeast.
showers likely with a chance of thunderstorms during the day,
then a chance of showers and thunderstorms sunday night. waves
2 feet or less. 
.monday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.tuesday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301948
glfle 
expires:202607310215;;350823

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt thu jul 30 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 30.10 inches will remain over the region through 
friday. low pressure 29.60 inches will enter from the west on 
saturday and slowly pass south of the lake through sunday. high 
pressure 30.00 inches will build back into the great lakes region 
on monday.


lez162>164-310215-
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-
348 pm edt thu jul 30 2026

.tonight...south winds 10 knots or less becoming west. waves
1 foot or less. 
.friday...west winds 10 knots or less becoming southeast. waves
1 foot or less. 
.friday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming east. a chance of
showers in the afternoon. waves 1 foot or less. 
.saturday night...east winds 10 to 15 knots. showers with a
chance of thunderstorms in the evening, then showers overnight.
waves 2 feet or less. 
.sunday...east winds 10 to 15 knots becoming north. a chance of
showers and thunderstorms during the day. waves 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.tuesday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 301949
glflh 
expires:202607310400;;350827

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz361-310400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
349 pm edt thu jul 30 2026

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


$$

fzus63 kdtx 301949
glfsc 
expires:202607310400;;350831

lake st clair forecast
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lcz460-310400-
lake st clair-
349 pm edt thu jul 30 2026

.tonight...northeast winds 5 to 10 knots this evening becoming light
and variable. mostly clear. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to 10 knots
in the afternoon. partly sunny. waves 2 feet or less.
.friday night...south winds 5 to 10 knots. cloudy. waves 2 feet or
less.
.saturday...east winds 5 to 10 knots. cloudy. a chance of light
showers until late afternoon. light showers likely and a chance of
thunderstorms early in the afternoon. waves 2 feet or less.
.saturday night...northeast winds 10 to 15 knots. mostly cloudy. a
chance of thunderstorms early in the evening. light showers likely
...then a chance of light showers after midnight. waves 2 feet or
less.
.sunday...northeast winds 10 to 15 knots becoming north 15 to 20
knots in the evening. mostly cloudy with a chance of light showers
in the morning...then partly cloudy with a chance of showers and
thunderstorms in the afternoon and evening. waves 1 to 3 feet.
.monday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.tuesday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 301949
glflh 
expires:202607310400;;350828

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz362-363-310400-
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-
349 pm edt thu jul 30 2026

.tonight...light and variable winds becoming east 5 to 10 knots
late in the evening...then veering to the south after midnight.
waves 2 feet or less. 
.friday...south winds 5 to 10 knots backing to the southeast late
in the afternoon. a chance of showers in the afternoon. waves
2 feet or less. 
.friday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. a chance of showers.
waves 2 feet or less. 
.saturday...light and variable winds. showers likely. waves
2 feet or less. 
.saturday night...north winds 5 to 10 knots. showers likely in
the evening...then a chance of showers after midnight. waves
2 feet or less. 
.sunday...northeast winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the evening. 
.monday...northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots by midnight. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 301949
glflh 
expires:202607310400;;350829

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz462>464-310400-
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-
349 pm edt thu jul 30 2026

.tonight...light and variable winds becoming south 5 to 10 knots
early in the morning. waves 2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots
late in the morning...then becoming light and variable early in
the afternoon becoming southeast 5 to 10 knots late in the
afternoon. waves 2 feet or less. 
.friday night...light and variable winds becoming northeast 5 to
10 knots in the late evening and overnight. a chance of showers
after midnight. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots. showers likely. waves
2 feet or less. 
.saturday night...northeast winds 5 to 10 knots. showers likely.
waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots backing to the northeast
. waves 2 feet or less. 


$$