fzus61 kbuf 050202
glflo 
expires:202605050900;;028235

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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 hudson bay tonight through tuesday 
will weaken to 29.3 inches as it moves to northern quebec through 
wednesday. its trailing wavy cold front will slowly cross the lake 
late tuesday, then will drift across new england wednesday and out 
to sea thursday. a 30.1 inch high over the tennessee and ohio 
valleys thursday night will slide to the mid-atlantic coastline 
friday.


loz062-050900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt mon may 4 2026

.overnight...south winds 15 to 20 knots becoming southwest.
a chance of showers. waves 2 to 4 feet building to
3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers through early afternoon, then
showers likely late. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday night...southwest winds 5 to 10 knots becoming east.
rain likely in the evening, then rain overnight. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots becoming west. rain in
the morning, then showers likely in the afternoon. waves 1 foot
or less. 
.wednesday night...west winds 5 to 10 knots. waves 1 foot or
less. 
.thursday...west winds 5 to 10 knots. waves 1 foot or less. 
.friday...west winds 5 to 10 knots becoming southwest. waves 1 to
2 feet. 
.saturday...southwest winds 5 to 10 knots becoming west. a chance
of showers. waves 1 to 2 feet. 

$$

fzus61 kbuf 050202
glflo 
expires:202605050900;;028236

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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 hudson bay tonight through tuesday 
will weaken to 29.3 inches as it moves to northern quebec through 
wednesday. its trailing wavy cold front will slowly cross the lake 
late tuesday, then will drift across new england wednesday and out 
to sea thursday. a 30.1 inch high over the tennessee and ohio 
valleys thursday night will slide to the mid-atlantic coastline 
friday.


loz063>065-050900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt mon may 4 2026

.overnight...south winds 15 to 20 knots. a chance of
showers. waves 1 to 3 feet building to 2 to
4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers early, then showers likely late in
the morning. showers likely with a chance of thunderstorms in the
afternoon. waves 2 to 4 feet. 
.tuesday night...west winds 5 to 15 knots becoming south less
than 10 knots. rain with a chance of thunderstorms in the
evening, then rain overnight. waves 1 to 3 feet subsiding to
1 foot or less. 
.wednesday...north winds 5 to 10 knots becoming northwest. rain
in the morning, then showers in the afternoon. waves 1 foot or
less. 
.wednesday night...west winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.thursday...west winds 5 to 15 knots. waves 1 to 2 feet. 
.friday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet. 
.saturday...southwest winds 5 to 15 knots. a chance of showers.
waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 050128
glfle 
expires:202605050815;;027563

open lake forecast for lake erie
national weather service cleveland oh
928 pm 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 cold front will move east across lake erie during the day
tuesday before exiting to the east tuesday evening. high pressure
30.10 inches will slowly build east over the region wednesday and
thursday with low pressure 29.90 inches moving east across the 
great lakes friday and saturday.


lez061-167>169-050815-
ripley to buffalo ny extending from 5nm 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-
928 pm edt mon may 4 2026

.rest of tonight...southwest winds 15 to 20 knots. showers likely
with a chance of thunderstorms late this evening, then a chance
of showers and thunderstorms after midnight. a chance of showers
with a slight chance of thunderstorms late. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of showers in the morning, then showers likely
with a slight chance of thunderstorms early in the afternoon.
showers with a chance of thunderstorms late. waves 3 to 5 feet
subsiding to 2 to 3 feet. 
.tuesday night...northwest winds 5 to 10 knots becoming
northeast. showers with a chance of thunderstorms in the evening,
then showers overnight. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots becoming north.
showers in the morning, then a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...northwest winds 5 to 10 knots. waves 1 foot or
less. 
.thursday...northwest 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. waves 1 to 2 feet. 
.saturday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 050128
glfle 
expires:202605050815;;027562

open lake forecast for lake erie
national weather service cleveland oh
928 pm 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 cold front will move east across lake erie during the day
tuesday before exiting to the east tuesday evening. high pressure
30.10 inches will slowly build east over the region wednesday and
thursday with low pressure 29.90 inches moving east across the 
great lakes friday and saturday.


lez162>166-050815-
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-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
928 pm edt mon may 4 2026

.rest of tonight...southwest winds 15 to 20 knots. showers likely
with a chance of thunderstorms, then a chance of showers with a
slight chance of thunderstorms late. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.tuesday night...northeast winds 5 to 10 knots becoming north.
showers. waves 2 feet or less. 
.wednesday...northeast winds 5 to 10 knots becoming north.
showers in the morning, then a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots becoming northwest.
waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.friday...southwest winds 10 to 15 knots. a chance of showers.
waves 1 to 2 feet. 
.saturday...west winds 10 to 15 knots becoming southwest. a
chance of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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glflh 
expires:202605051515;;040435

open lake forecast for lake huron
national weather service detroit/pontiac mi
304 am edt tue may 5 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...north flow turns lighter and more variable this
afternoon in the wake of a cold front. another low pressure
system organizes well south of the area through wednesday,
favoring the gradual development of northeast winds. as this low
moves over the northeast mid to late week, northeast winds will
back from the northeast to northerly, and eventually take on a
more westerly component by thursday.


lhz462>464-051515-
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-
304 am edt tue may 5 2026

.today...west winds 5 to 10 knots backing to the southeast late
in the afternoon. a chance of showers. waves 1 to 3 feet. 
.tonight...southeast winds 5 to 10 knots backing to the north
after midnight. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots backing to the east late in
the afternoon...then veering to the southwest late in the
evening. waves 2 feet or less. 
.friday...west winds 5 to 10 knots backing to the south. a chance
of showers by midnight. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots backing to the south by
midnight. a chance of showers. waves 2 feet or less. 


$$

fzus63 kdtx 050704
glfsc 
expires:202605051515;;040437

lake st clair forecast
national weather service detroit/pontiac mi
304 am edt tue may 5 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...north flow turns lighter and more variable this
afternoon in the wake of a cold front. another low pressure
system organizes well south of the area through wednesday,
favoring the gradual development of northeast winds. as this low
moves over the northeast mid to late week, northeast winds will
back from the northeast to northerly, and eventually take on a
more westerly component by thursday.


lcz460-051515-
lake st clair-
304 am edt tue may 5 2026

.today...west winds 10 to 15 knots. mostly cloudy with a chance of
light showers. waves 2 feet or less.
.tonight...southwest winds 5 to 10 knots this evening becoming light
and variable...then becoming northwest 5 to 10 knots early in the
morning. mostly cloudy with a chance of light showers. waves 2 feet
or less.
.wednesday...north winds 5 to 10 knots backing to the west early in
the afternoon. partly sunny. a chance of light showers early in the
morning. waves 2 feet or less.
.wednesday night...northwest winds 5 to 10 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 2 feet or less.
.thursday...west winds 5 to 10 knots increasing to 10 to 15 knots in
the evening. partly cloudy. waves 2 feet or less.
.friday...southwest winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots. partly cloudy. a chance
of showers. waves 2 feet or less.

$$

fzus63 kdtx 050704
glflh 
expires:202605051515;;040433

open lake forecast for lake huron
national weather service detroit/pontiac mi
304 am edt tue may 5 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...north flow turns lighter and more variable this
afternoon in the wake of a cold front. another low pressure
system organizes well south of the area through wednesday,
favoring the gradual development of northeast winds. as this low
moves over the northeast mid to late week, northeast winds will
back from the northeast to northerly, and eventually take on a
more westerly component by thursday.


lhz361-051515-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
304 am edt tue may 5 2026

.today...west winds 10 to 15 knots. waves 2 to 4 feet. 
.tonight...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 in the late morning and afternoon. waves 2 feet or less.
.wednesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 1 to
3 feet. 
.thursday...west winds 5 to 10 knots. 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...west winds 5 to 10 knots becoming southwest 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 050704
glflh 
expires:202605051515;;040434

open lake forecast for lake huron
national weather service detroit/pontiac mi
304 am edt tue may 5 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...north flow turns lighter and more variable this
afternoon in the wake of a cold front. another low pressure
system organizes well south of the area through wednesday,
favoring the gradual development of northeast winds. as this low
moves over the northeast mid to late week, northeast winds will
back from the northeast to northerly, and eventually take on a
more westerly component by thursday.


lhz362-363-051515-
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-
304 am edt tue may 5 2026

.today...west winds 5 to 10 knots backing to the southwest early
in the afternoon...then backing to the northeast late in the
afternoon. waves 2 to 4 feet. 
.tonight...north winds 5 to 10 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots backing to the
northwest after midnight. waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots backing to the southwest
late in the morning...then backing to the southeast late in the
afternoon veering to the southwest late in the evening. waves
2 feet or less. 
.friday...southwest winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the south by midnight.
waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots. waves 1 to 3 feet. 


$$