(1/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/1/2026 10:02 PM America/New_York.
Valid through 5/2/2026 5:00 AM America/New_York.
fzus61 kbuf 020202
glflo
expires:202605020900;;866961
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri may 1 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 29.7 inch low across atlantic canada will retrograde
northwestward across the canadian maritimes and quebec through
saturday. another 29.7 inch low will deepen to 29.2 inches as it
tracks from the southeastern states northeast off the atlantic coast
saturday and sunday, while a 30.2 inch high ridges across the lower
great lakes. a 29.1 inch low will spin over ontario, quebec, and
hudson bay monday through tuesday night, sending an attendant cold
front across the lake tuesday.
loz063>065-020900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt fri may 1 2026
.overnight...west winds 5 to 10 knots. waves 2 feet or
less.
.saturday...west winds 10 to 15 knots. waves 1 to 2 feet.
.saturday night...west winds 5 to 10 knots becoming northwest.
waves 1 to 2 feet.
.sunday...west winds 10 to 15 knots. waves 1 to 3 feet.
.sunday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers. waves 1 to 3 feet building
to 2 to 4 feet.
.monday...southwest winds 15 to 25 knots becoming south. a chance
of showers. waves 2 to 4 feet building to 3 to 5 feet.
.tuesday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. showers likely. waves 3 to 6 feet
subsiding to 1 to 3 feet.
.wednesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely. waves 2 to 4 feet subsiding to 1 to
3 feet.
$$
(2/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/1/2026 10:02 PM America/New_York.
Valid through 5/2/2026 5:00 AM America/New_York.
fzus61 kbuf 020202
glflo
expires:202605020900;;866960
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri may 1 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 29.7 inch low across atlantic canada will retrograde
northwestward across the canadian maritimes and quebec through
saturday. another 29.7 inch low will deepen to 29.2 inches as it
tracks from the southeastern states northeast off the atlantic coast
saturday and sunday, while a 30.2 inch high ridges across the lower
great lakes. a 29.1 inch low will spin over ontario, quebec, and
hudson bay monday through tuesday night, sending an attendant cold
front across the lake tuesday.
loz062-020900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt fri may 1 2026
.overnight...northwest winds 5 to 10 knots. waves 2 feet or
less.
.saturday...west winds 5 to 10 knots. waves 2 feet or less.
.saturday night...west winds 5 to 10 knots becoming northwest.
waves 1 foot or less.
.sunday...west winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 to 3 feet.
.sunday night...southwest winds 15 to 20 knots. a chance of
showers. waves 2 to 4 feet building to 3 to 5 feet.
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 3 to 5 feet building to 3 to 6 feet.
.tuesday...southwest winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. a chance of showers during the
day, then showers likely tuesday night. waves 3 to 6 feet
subsiding to 1 to 3 feet.
.wednesday...northwest winds 10 to 15 knots. showers likely
during the day, then a chance of showers wednesday night. waves
1 to 2 feet.
$$
(3/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/1/2026 9:27 PM America/New_York.
Valid through 5/2/2026 4:15 AM America/New_York.
fzus61 kcle 020127
glfle
expires:202605020815;;866125
open lake forecast for lake erie
national weather service cleveland oh
927 pm edt fri may 1 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...
a trough averaging 30.00 inches will linger over lake erie
tonight. high pressure of 30.10 inches will build from the upper
midwest to the gulf coast over the weekend. low pressure of 29.20
inches will pass north of lake superior on monday with a cold
front stalling across lake erie on tuesday. low pressure of 29.60
inches will track northeast along boundary across lake erie
tuesday night, finally pulling the cold front south of the lake on
wednesday.
lez061-169-020815-
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-
927 pm edt fri may 1 2026
.overnight...west winds 5 to 10 knots becoming northwest.
waves 1 foot or less.
.saturday...northwest winds 5 to 10 knots becoming west. a chance
of rain showers early, then a slight chance of rain showers late
in the morning. waves 1 foot or less.
.saturday night...west winds 5 to 10 knots. waves around 1 foot.
.sunday...southwest winds 5 to 15 knots. waves 2 feet or less
building to 2 to 3 feet.
.sunday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers overnight. waves 2 to 4 feet.
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms monday night.
waves 2 to 4 feet building to 3 to 5 feet.
.tuesday...southwest winds 15 to 20 knots becoming north 5 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 1 to
3 feet.
.wednesday...north winds 5 to 15 knots. showers likely during the
day, then a chance of showers wednesday night. waves 1 to 2 feet.
winds and waves higher in and near thunderstorms.
$$
(4/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/1/2026 9:27 PM America/New_York.
Valid through 5/2/2026 4:15 AM America/New_York.
fzus61 kcle 020127
glfle
expires:202605020815;;866123
open lake forecast for lake erie
national weather service cleveland oh
927 pm edt fri may 1 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...
a trough averaging 30.00 inches will linger over lake erie
tonight. high pressure of 30.10 inches will build from the upper
midwest to the gulf coast over the weekend. low pressure of 29.20
inches will pass north of lake superior on monday with a cold
front stalling across lake erie on tuesday. low pressure of 29.60
inches will track northeast along boundary across lake erie
tuesday night, finally pulling the cold front south of the lake on
wednesday.
lez162-163-020815-
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-
927 pm edt fri may 1 2026
.overnight...north winds 5 to 10 knots. showers likely,
then a chance of showers late. waves 1 foot or less.
.saturday...north winds 5 to 10 knots becoming northwest. waves
1 foot or less.
.saturday night...northwest winds 5 to 10 knots becoming west.
waves 1 foot or less.
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 2 feet.
.sunday night...southwest winds 15 to 20 knots. waves 1 to 3 feet
building to 2 to 4 feet.
.monday...southwest winds 15 to 20 knots. a chance of showers and
thunderstorms. waves 1 to 3 feet building to 2 to 4 feet.
.tuesday...southwest winds 15 to 20 knots becoming north. showers
likely. waves 2 to 4 feet subsiding to 1 to 3 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(5/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/1/2026 9:27 PM America/New_York.
Valid through 5/2/2026 4:15 AM America/New_York.
fzus61 kcle 020127
glfle
expires:202605020815;;866124
open lake forecast for lake erie
national weather service cleveland oh
927 pm edt fri may 1 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...
a trough averaging 30.00 inches will linger over lake erie
tonight. high pressure of 30.10 inches will build from the upper
midwest to the gulf coast over the weekend. low pressure of 29.20
inches will pass north of lake superior on monday with a cold
front stalling across lake erie on tuesday. low pressure of 29.60
inches will track northeast along boundary across lake erie
tuesday night, finally pulling the cold front south of the lake on
wednesday.
lez164>168-020815-
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-
927 pm edt fri may 1 2026
.overnight...northwest winds 5 to 10 knots becoming north.
rain showers likely. waves around 1 foot.
.saturday...north winds 5 to 10 knots becoming west. a slight
chance of rain showers in the morning. waves 1 foot or less.
.saturday night...west winds 5 to 10 knots. waves 1 foot or less.
.sunday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet.
.sunday night...southwest winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 5 feet.
.monday...southwest winds 15 to 20 knots. a chance of showers
during the day, then a chance of showers and thunderstorms monday
night. waves 3 to 5 feet building to 3 to 6 feet.
.tuesday...southwest winds 15 to 20 knots becoming north. showers
likely. waves 3 to 6 feet subsiding to 1 to 3 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(6/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/1/2026 9:53 PM America/New_York.
Valid through 5/2/2026 6:00 AM America/New_York.
fzus63 kdtx 020153
glflh
expires:202605021000;;866674
open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt fri may 1 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...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters tomorrow, backing winds from
northwest to southwest.
lhz363-462>464-021000-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
953 pm edt fri may 1 2026
.rest of tonight...north winds 5 to 10 knots backing to the west
after midnight...then becoming northwest 10 to 15 knots early in
the morning. waves 1 to 3 feet building to 2 to 4 feet early in
the morning.
.saturday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable late in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.saturday night...light and variable winds becoming south 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon.
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. a chance of
showers. waves 3 to 5 feet.
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon. a chance of showers late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet late in the
afternoon. waves occasionally around 8 feet.
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots until early evening...then veering to the 10 to 15 knots
by midnight. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet .
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots . a chance of showers early in the morning. waves 1 to
3 feet.
$$
(7/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/1/2026 9:53 PM America/New_York.
Valid through 5/2/2026 6:00 AM America/New_York.
fzus63 kdtx 020153
glflh
expires:202605021000;;866673
open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt fri may 1 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...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters tomorrow, backing winds from
northwest to southwest.
lhz361-362-021000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
953 pm edt fri may 1 2026
.rest of tonight...northwest winds 10 to 15 knots. waves 2 to
4 feet.
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.saturday night...southwest winds 5 to 10 knots. waves 1 to
3 feet.
.sunday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.sunday night...southwest winds 10 to 15 knots. a chance of
showers. waves 3 to 5 feet.
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon. a chance of showers late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet. waves
occasionally around 8 feet.
.tuesday...west winds 15 to 20 knots decreasing to 10 to
15 knots. waves 4 to 6 feet subsiding to 2 to 4 feet by midnight.
waves occasionally around 8 feet.
.wednesday...northwest winds 10 to 15 knots backing to the west
by midnight. waves 1 to 3 feet.
$$
(8/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/1/2026 9:53 PM America/New_York.
Valid through 5/2/2026 6:00 AM America/New_York.
fzus63 kdtx 020153
glfsc
expires:202605021000;;866676
lake st clair forecast
national weather service detroit/pontiac mi
953 pm edt fri may 1 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters tomorrow, backing winds from
northwest to southwest.
lcz460-021000-
lake st clair-
953 pm edt fri may 1 2026
.rest of tonight...northeast winds 5 to 10 knots by midnight
becoming light and variable. mostly cloudy by midnight becoming
partly cloudy. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots. mostly sunny. waves 2
feet or less.
.saturday night...north winds 5 to 10 knots backing to the west in
the late evening and overnight. mostly clear. waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the late morning and afternoon. partly sunny. waves 2 feet
or less.
.sunday night...southwest winds 15 to 20 knots. mostly cloudy
becoming partly cloudy. waves 1 to 3 feet.
.monday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon and evening. partly sunny in the
morning...then partly cloudy with a chance of light showers in the
afternoon and evening. waves 1 to 3 feet.
.tuesday...north winds 15 to 20 knots. mostly cloudy. showers
likely. waves 1 to 3 feet.
.wednesday...north winds 15 to 20 knots. mostly cloudy with showers
likely. waves 2 feet or less.
$$
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