fzus61 kbuf 300803
glflo 
expires:202607301500;;322853

open lake forecast for lake ontario
national weather service buffalo ny
403 am 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 from the western 
great lakes through this monday.


loz062-301500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt thu jul 30 2026

.today...north winds 5 to 15 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less. 
.tonight...west winds 10 knots or less becoming northwest. waves
1 foot or less. 
.friday...west winds less than 10 knots. waves 1 foot or less. 
.friday night...southwest winds 10 knots or less. waves 1 foot or
less. 
.saturday...northeast winds less than 10 knots. a chance of
showers during the day, then showers likely saturday night. waves
1 foot or less. 
.sunday...north winds 10 knots or less. showers likely during the
day. waves 1 foot or less. 
.monday...north winds 10 knots or less becoming west. waves
1 foot or less. 

$$

fzus61 kbuf 300803
glflo 
expires:202607301500;;322854

open lake forecast for lake ontario
national weather service buffalo ny
403 am 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 from the western 
great lakes through this monday.


loz063>065-301500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt thu jul 30 2026

.today...north winds 5 to 15 knots becoming west. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 10 knots or less becoming northwest. waves
1 foot or less. 
.friday...northwest winds 10 knots or less becoming west. 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. a chance of showers
during the day, then showers likely with a chance of
thunderstorms saturday night. waves 1 foot or less. 
.sunday...southwest winds 10 knots or less becoming north.
showers likely with a chance of thunderstorms during the day,
then a chance of showers sunday night. waves 1 foot or less. 
.monday...north winds 10 knots or less becoming west. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 300808
glfle 
expires:202607301430;;323382

open lake forecast for lake erie
national weather service cleveland oh
408 am 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 30.00 inches will build over the lake today and
remain influential over the lake 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 from the northeast early next week.


lez162-163-301430-
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-
408 am edt thu jul 30 2026

.today...northwest winds 10 knots or less becoming south. waves
1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. 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 east.
waves 1 foot or less. 
.saturday...east winds 5 to 10 knots becoming northeast. showers
likely. waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots. waves 1 to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 

$$

fzus61 kcle 300808
glfle 
expires:202607301430;;323383

open lake forecast for lake erie
national weather service cleveland oh
408 am 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 30.00 inches will build over the lake today and
remain influential over the lake 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 from the northeast early next week.


lez164>168-301430-
the islands to vermilion oh beyond 5 nm 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-
408 am edt thu jul 30 2026

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

$$

fzus61 kcle 300808
glfle 
expires:202607301430;;323384

open lake forecast for lake erie
national weather service cleveland oh
408 am 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 30.00 inches will build over the lake today and
remain influential over the lake 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 from the northeast early next week.


lez061-169-301430-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
408 am edt thu jul 30 2026

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

$$

fzus63 kdtx 300723
glflh 
expires:202607301530;;321789

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am 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 in its wake. this brings rain and isolated
thunderstorm chances to the great lakes friday night and
saturday.


lhz362-363-301530-
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-
323 am edt thu jul 30 2026

.today...light and variable winds. waves 2 feet or less. 
.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. waves 2 feet or less. 
.friday 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. 
.saturday...light and variable winds becoming northeast 5 to
10 knots late in the evening. showers likely in the morning. a
chance of showers late in the morning...then a chance of showers
late in the evening. waves 2 feet or less. 
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots . waves 1 to 3 feet. 
.monday...light and variable winds becoming east 5 to 10 knots by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 300723
glflh 
expires:202607301530;;321788

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am 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 in its wake. this brings rain and isolated
thunderstorm chances to the great lakes friday night and
saturday.


lhz361-301530-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
323 am edt thu jul 30 2026

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


$$

fzus63 kdtx 300723
glflh 
expires:202607301530;;321790

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am 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 in its wake. this brings rain and isolated
thunderstorm chances to the great lakes friday night and
saturday.


lhz462>464-301530-
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-
323 am edt thu jul 30 2026

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


$$

fzus63 kdtx 300723
glfsc 
expires:202607301530;;321792

lake st clair forecast
national weather service detroit/pontiac mi
323 am 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 in its wake. this brings rain and isolated
thunderstorm chances to the great lakes friday night and
saturday.


lcz460-301530-
lake st clair-
323 am edt thu jul 30 2026

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

$$