fzus61 kbuf 010201
glflo 
expires:202505010900;;745876

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed apr 30 2025

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 30.3 inch high will crest over the lower great lakes 
tonight, then depart towards new england on thursday. meanwhile a 
29.5 inch low will track near or just north of the lake thursday 
night and into central quebec on friday with its corresponding cold 
front crossing the lake friday. a 30.2 inch surface high will 
advance from the mid mississippi valley saturday morning to the ohio 
valley sunday morning, and then to near the lake monday morning.


loz062-010900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt wed apr 30 2025

.overnight...southeast winds 5 to 10 knots becoming east.
waves 1 foot or less. 
.thursday...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. showers with thunderstorms likely
late. some thunderstorms may produce gusty winds late. waves 1 to
3 feet building to 3 to 5 feet. 
.thursday night...east winds 15 to 20 knots becoming southwest.
showers with thunderstorms likely in the evening, then showers
likely overnight. some thunderstorms may produce gusty winds in
the evening. waves 3 to 5 feet subsiding to 2 to 3 feet. 
.friday...southwest winds 15 to 25 knots becoming west. showers
likely in the morning, then a chance of showers in the afternoon.
waves 3 to 6 feet. 
.friday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers overnight. waves 3 to 5 feet
subsiding to 1 to 2 feet. 
.saturday...northwest winds around 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming northeast. waves
2 to 3 feet. 
.monday...northeast winds 10 to 15 knots becoming east. a chance
of showers monday night. waves 2 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 010201
glflo 
expires:202505010900;;745877

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed apr 30 2025

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 30.3 inch high will crest over the lower great lakes 
tonight, then depart towards new england on thursday. meanwhile a 
29.5 inch low will track near or just north of the lake thursday 
night and into central quebec on friday with its corresponding cold 
front crossing the lake friday. a 30.2 inch surface high will 
advance from the mid mississippi valley saturday morning to the ohio 
valley sunday morning, and then to near the lake monday morning.


loz063>065-010900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt wed apr 30 2025

.overnight...south winds 10 knots or less becoming
southeast. waves 1 foot or less. 
.thursday...east winds 10 to 15 knots increasing to 15 to
20 knots. rain showers with thunderstorms likely late. some
thunderstorms may produce gusty winds late. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...southeast winds 15 to 20 knots becoming south.
showers with thunderstorms likely in the evening, then showers
likely overnight. some thunderstorms may produce gusty winds in
the evening. waves 2 to 4 feet building to 3 to 5 feet. 
.friday...south winds 15 to 20 knots becoming west. showers
likely. waves 3 to 6 feet. 
.friday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.saturday...west winds 10 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.monday...northeast winds 10 to 15 knots becoming southeast. a
chance of showers monday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 010152
glfle 
expires:202505010815;;745515

open lake forecast for lake erie
national weather service cleveland oh
952 pm edt wed apr 30 2025

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 high pressure ridge averaging 30.20 inches impacts the lake erie
region before the ridge begins to exit toward new england tonight.
on thursday through friday night, a low of about 29.50 inches 
should move northeastward from the mid mississippi valley toward 
the mouth of the saint lawrence river. accordingly, a warm front
should drift northward across lake erie during the late morning 
through evening hours of thursday before a cold front moves 
southeastward across the lake friday night. behind the cold front,
a trough averaging 29.90 inches should linger over lake erie as a
ridge attempts to build from the north-central united states.


lez165>167-010815-
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-
952 pm edt wed apr 30 2025

.rest of tonight...east winds 5 to 15 knots. a chance of showers
with a slight chance of thunderstorms late. waves 2 feet or less.
.thursday...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms through early afternoon, then showers likely with a
chance of thunderstorms late. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.friday...southwest winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.friday night...west winds 10 to 15 knots becoming northwest. a
chance of showers. waves 2 to 3 feet. 
.saturday...north winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of showers. waves 1 to 3 feet. 
.monday...east winds 10 to 15 knots becoming southeast. a chance
of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 010152
glfle 
expires:202505010815;;745516

open lake forecast for lake erie
national weather service cleveland oh
952 pm edt wed apr 30 2025

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 high pressure ridge averaging 30.20 inches impacts the lake erie
region before the ridge begins to exit toward new england tonight.
on thursday through friday night, a low of about 29.50 inches 
should move northeastward from the mid mississippi valley toward 
the mouth of the saint lawrence river. accordingly, a warm front
should drift northward across lake erie during the late morning 
through evening hours of thursday before a cold front moves 
southeastward across the lake friday night. behind the cold front,
a trough averaging 29.90 inches should linger over lake erie as a
ridge attempts to build from the north-central united states.


lez061-168-169-010815-
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-
952 pm edt wed apr 30 2025

.rest of tonight...east winds 10 knots or less. waves 2 feet or
less. 
.thursday...east winds 10 to 15 knots becoming southeast. a
chance of showers in the morning, then showers with a slight
chance of thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...south winds 10 to 15 knots becoming southwest.
showers with a chance of thunderstorms in the evening, then a
chance of showers and thunderstorms overnight. waves 1 to 3 feet.
.friday...southwest winds 10 to 15 knots. a chance of showers.
waves 2 to 4 feet. 
.friday night...southwest winds around 10 knots becoming west. a
chance of showers. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming north. a
chance of showers during the day. waves 1 to 2 feet. 
.sunday...north winds 5 to 10 knots becoming northeast. waves
1 to 2 feet. 
.monday...northeast winds 5 to 10 knots becoming southeast. a
chance of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 010152
glfle 
expires:202505010815;;745514

open lake forecast for lake erie
national weather service cleveland oh
952 pm edt wed apr 30 2025

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 high pressure ridge averaging 30.20 inches impacts the lake erie
region before the ridge begins to exit toward new england tonight.
on thursday through friday night, a low of about 29.50 inches 
should move northeastward from the mid mississippi valley toward 
the mouth of the saint lawrence river. accordingly, a warm front
should drift northward across lake erie during the late morning 
through evening hours of thursday before a cold front moves 
southeastward across the lake friday night. behind the cold front,
a trough averaging 29.90 inches should linger over lake erie as a
ridge attempts to build from the north-central united states.


lez162>164-010815-
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-
952 pm edt wed apr 30 2025

.rest of tonight...east winds 10 to 15 knots. a slight chance of
showers late this evening. a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.thursday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms in the morning, then showers with a chance of
thunderstorms early in the afternoon. a chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers and thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots becoming west. a chance
of showers. waves 1 to 2 feet. 
.friday night...west winds 10 to 15 knots becoming north. a
chance of showers. waves 1 to 2 feet. 
.saturday...north winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of showers. waves 1 to 2 feet. 
.monday...east winds 5 to 10 knots becoming southeast. a chance
of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 010159
glflh 
expires:202505011000;;745728

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 pm edt wed apr 30 2025

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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to widespread showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lhz361-011000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
959 pm edt wed apr 30 2025

.rest of tonight...southeast winds 10 to 15 knots. waves 1 to
3 feet. 
.thursday...east winds 10 to 15 knots. showers likely in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon. 
.thursday night...northeast winds 10 to 15 knots backing to the
northwest after midnight. showers likely. waves 2 to 4 feet. 
.friday...north winds 5 to 10 knots backing to the west in the
late morning and afternoon. a chance of showers. waves 1 to
3 feet. 
.friday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots backing to the east in the
late evening and early morning. waves 2 feet or less. 
.monday...east winds 5 to 10 knots increasing to 10 to 15 knots
until early evening...then becoming southeast 5 to 10 knots in
the late evening and early morning. waves 1 to 3 feet. 


$$

fzus63 kdtx 010159
glfsc 
expires:202505011000;;745751

lake st clair forecast
national weather service detroit/pontiac mi
959 pm edt wed apr 30 2025

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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lcz460-011000-
lake st clair-
959 pm edt wed apr 30 2025

.rest of tonight...east winds 5 to 10 knots increasing to 10 to 15
knots early in the morning. mostly cloudy. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots veering to the south late
in the afternoon. showers in the morning...then light showers and a
chance of thunderstorms in the afternoon. waves 1 to 3 feet.
.thursday night...southwest winds 10 to 15 knots. mostly cloudy.
light showers and a chance of thunderstorms in the evening...then
light showers likely after midnight. waves 1 to 3 feet.
.friday...west winds 10 to 15 knots becoming southwest 5 to 10 knots
in the late morning and afternoon. partly sunny with a chance of
light showers. waves 2 feet or less.
.friday night...northwest winds 5 to 10 knots veering to the north
after midnight. partly cloudy in the evening...then mostly cloudy
with a chance of light rain after midnight. waves 2 feet or less.
.saturday...north winds 5 to 10 knots. mostly cloudy in the morning
becoming partly cloudy. waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.monday...southeast winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 010159
glflh 
expires:202505011000;;745729

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 pm edt wed apr 30 2025

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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to widespread showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lhz362-363-011000-
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-
959 pm edt wed apr 30 2025

.rest of tonight...east winds 5 to 10 knots. a chance of showers
after midnight. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots increasing to 15 to
20 knots. showers likely in the morning...then showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. 
.thursday night...northeast winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and early morning...then
backing to the west after midnight. showers likely. waves 3 to
5 feet. 
.friday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and afternoon. 
.friday night...west winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots veering to the northeast in
the late evening and early morning. waves 2 feet or less. 
.monday...east winds 10 to 15 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 010159
glflh 
expires:202505011000;;745730

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 pm edt wed apr 30 2025

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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to widespread showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lhz462>464-011000-
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-
959 pm edt wed apr 30 2025

.rest of tonight...light and variable winds becoming east 5 to
10 knots early in the morning. a chance of showers after
midnight. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. a chance of showers in the morning...then
showers and a chance of thunderstorms in the afternoon. waves
2 feet or less building to 2 to 4 feet late in the afternoon. 
.thursday night...east winds 10 to 15 knots veering to the
southwest in the late evening and overnight. showers and a chance
of thunderstorms in the evening...then showers likely after
midnight. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 10 knots becoming north 10 to
15 knots early in the evening...then becoming northeast 5 to
10 knots in the late evening and early morning. waves 1 to
3 feet. 
.monday...east winds 10 to 15 knots veering to the southeast in
the late evening and early morning. a chance of rain. waves 1 to
3 feet. 


$$