fzus61 kbuf 040802
glflo 
expires:202605041500;;989075

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon may 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 29.1 inch low over western ontario province today will 
weaken to 29.3 inches as it moves to northern quebec through 
tuesday. its trailing wavy cold front will slowly cross the lake 
tuesday, then will drift across new england wednesday and out to sea 
thursday. a 30.1 inch high over the tennessee and ohio valleys will 
then slide to the mid-atlantic coastline friday.


loz062-041500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon may 4 2026

.today...southwest winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots. a chance of showers
from late evening on. waves 2 to 4 feet building to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 2 to
3 feet. 
.tuesday night...west winds 5 to 10 knots becoming north. showers
likely in the evening, then rain likely overnight. waves 1 to
3 feet. 
.wednesday...north winds 5 to 15 knots becoming northwest. rain
likely during the day. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.friday...west winds 5 to 15 knots. waves 1 to 2 feet. 

$$

fzus61 kbuf 040802
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon may 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 29.1 inch low over western ontario province today will 
weaken to 29.3 inches as it moves to northern quebec through 
tuesday. its trailing wavy cold front will slowly cross the lake 
tuesday, then will drift across new england wednesday and out to sea 
thursday. a 30.1 inch high over the tennessee and ohio valleys will 
then slide to the mid-atlantic coastline friday.


loz063>065-041500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon may 4 2026

.today...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers early, then a chance of sprinkles
late this morning. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...south winds 5 to 10 knots increasing to 15 to
20 knots. a chance of showers after midnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 2 to 4 feet. 
.tuesday night...west winds 5 to 15 knots becoming northwest.
showers with a chance of thunderstorms in the evening, then rain
overnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots becoming west. rain during
the day, then a chance of showers wednesday night. waves 1 to
2 feet. 
.thursday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
350 am edt mon may 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...
a trough of 29.50 inches will settle south to the central great
lakes today, then continue south across lake erie as a cold front
on tuesday afternoon. a wave of low pressure, 29.70 inches will
track northeast along this front through the ohio valley on
tuesday night. high pressure of 29.90 inches builds from the
northern plains to the ohio valley wednesday through thursday.  
low pressure of 29.70 inches moves east through the central great 
lakes on friday. 


lez162>165-041430-
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-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
350 am edt mon may 4 2026

.today...southwest winds 15 to 20 knots. a slight chance of
showers and thunderstorms late. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots. showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight. a chance of
showers late. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of showers in the morning, then showers
in the afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday night...north winds 10 to 15 knots. showers. waves 1 to
2 feet. 
.wednesday...north winds 5 to 15 knots becoming northwest. a
chance of showers during the day. waves 2 feet or less. 
.thursday...north winds 5 to 15 knots becoming west. a chance of
showers during the day. waves 2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers friday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
350 am edt mon may 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...
a trough of 29.50 inches will settle south to the central great
lakes today, then continue south across lake erie as a cold front
on tuesday afternoon. a wave of low pressure, 29.70 inches will
track northeast along this front through the ohio valley on
tuesday night. high pressure of 29.90 inches builds from the
northern plains to the ohio valley wednesday through thursday.  
low pressure of 29.70 inches moves east through the central great 
lakes on friday. 


lez061-166>169-041430-
ripley to buffalo ny extending from 5nm 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-
350 am edt mon may 4 2026

.today...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight. a chance of showers late. waves
2 to 4 feet building to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of showers in the morning, then showers
in the afternoon. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tuesday night...north winds 5 to 15 knots. showers. waves 1 to
3 feet. 
.wednesday...north winds 5 to 15 knots becoming northwest. a
chance of showers during the day. waves 2 feet or less. 
.thursday...northeast winds 5 to 15 knots becoming west. waves
2 feet or less. 
.friday...west winds 5 to 15 knots becoming southwest. a chance
of showers friday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

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glfsc 
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lake st clair forecast
national weather service detroit/pontiac mi
320 am edt mon may 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...southwest winds continue through today with localized
elevated winds found within the saginaw bay. a cold front moves
through tonight into tomorrow morning which veers wind direction
from southwest to northwest.


lcz460-041530-
lake st clair-
320 am edt mon may 4 2026

.today...southwest winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. sunny. waves 1 to 3 feet.
.tonight...southwest winds 15 to 20 knots. partly cloudy becoming
mostly cloudy. a chance of light showers. waves 1 to 3 feet.
.tuesday...west winds 10 to 15 knots becoming northwest 5 to 10
knots in the late morning and afternoon. mostly cloudy. a chance of
light showers until late afternoon...then light showers likely early
in the afternoon. waves 2 feet or less.
.tuesday night...west winds 5 to 10 knots veering to the north after
midnight. cloudy. light showers likely early in the evening...then a
chance of light showers in the late evening and overnight. waves 2
feet or less.
.wednesday...north winds 5 to 10 knots. partly sunny becoming mostly
cloudy. waves 2 feet or less.
.thursday...west winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.friday...west winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

fzus63 kdtx 040711
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open lake forecast for lake huron
national weather service detroit/pontiac mi
311 am edt mon may 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...southwest winds continue through today with localized
elevated winds found within the saginaw bay. a cold front moves
through tonight into tomorrow morning which veers wind direction
from southwest to northwest.


lhz361-041515-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
311 am edt mon may 4 2026

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
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. 
.tonight...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots by midnight...then backing to the west early in
the morning. a chance of showers in the evening. waves 3 to
5 feet subsiding to 1 to 3 feet early in the morning. 
.tuesday...west winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. waves 2 to 4 feet. 
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.wednesday...west winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then becoming northwest 5 to
10 knots late in the evening. waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots. waves 2 feet or less. 
.friday...west winds 5 to 10 knots increasing to 10 to 15 knots
early in the evening...then decreasing to 5 to 10 knots by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 040711
glflh 
expires:202605041515;;987807

open lake forecast for lake huron
national weather service detroit/pontiac mi
311 am edt mon may 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...southwest winds continue through today with localized
elevated winds found within the saginaw bay. a cold front moves
through tonight into tomorrow morning which veers wind direction
from southwest to northwest.


lhz362-363-041515-
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-
311 am edt mon may 4 2026

.today...southwest winds 10 to 15 knots becoming south 15 to
20 knots in the afternoon. waves 2 to 4 feet building to 5 to
7 feet. waves occasionally around 10 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots by midnight...then becoming 5 to 10 knots early in the
morning. a chance of showers in the evening. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...north winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then veering to the
southwest 5 to 10 knots early in the afternoon. waves 2 to
4 feet. 
.tuesday night...north winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots veering to the east early
in the evening...then veering to the south by midnight. waves
2 feet or less. 
.friday...west winds 5 to 10 knots backing to the southeast early
in the evening...then backing to the northeast by midnight. waves
1 to 3 feet. 


$$

fzus63 kdtx 040711
glflh 
expires:202605041515;;987808

open lake forecast for lake huron
national weather service detroit/pontiac mi
311 am edt mon may 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...southwest winds continue through today with localized
elevated winds found within the saginaw bay. a cold front moves
through tonight into tomorrow morning which veers wind direction
from southwest to northwest.


lhz462>464-041515-
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-
311 am edt mon may 4 2026

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
late in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the morning...then building to 3 to 5 feet in the
afternoon. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots after midnight. a chance of showers after midnight.
waves 2 to 4 feet. 
.tuesday...north winds 5 to 10 knots backing to the northwest in
the late morning and early afternoon...then backing to the south
early in the afternoon. waves 1 to 3 feet. 
.tuesday night...east winds 5 to 10 knots backing to the
northeast in the late evening and overnight. waves 2 feet or
less. 
.wednesday...north winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming west 5 to 10 knots by
midnight. waves 2 feet or less. 
.friday...west winds 5 to 10 knots backing to the southeast early
in the evening...then backing to the southeast 5 to 10 knots by
midnight. waves 2 feet or less. 


$$