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nearshore marine forecast
national weather service buffalo ny
128 pm edt sat aug 22 2026

for waters within five nautical miles of shore

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.


lez020-222115-
upper niagara river and buffalo harbor-
128 pm edt sat aug 22 2026

...severe thunderstorm watch 614 in effect until 9 pm edt this
evening...

.this afternoon...southwest winds 10 knots or less. showers likely
with a chance of thunderstorms late. 
.tonight...south winds 10 knots or less becoming southwest.
showers with a chance of thunderstorms. 
.sunday...west winds 5 to 15 knots. a chance of showers in the
morning, then showers with a chance of thunderstorms in the
afternoon. 
.sunday night...west winds 5 to 10 knots. showers likely with a
chance of thunderstorms in the evening, then a chance of showers
overnight. 
.monday...west winds 5 to 15 knots. showers.
.tuesday...west winds 5 to 10 knots becoming light and variable.
partly cloudy. 
.wednesday...southwest winds less than 10 knots. partly to mostly
cloudy. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 76 degrees.

$$

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nearshore marine forecast
national weather service buffalo ny
128 pm edt sat aug 22 2026

for waters within five nautical miles of shore

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.


loz042-222115-
niagara river to hamlin beach along lake ontario-
128 pm edt sat aug 22 2026

...severe thunderstorm watch 614 in effect until 9 pm edt this
evening...

.this afternoon...east winds 10 knots or less. a chance of showers
and thunderstorms late. waves 1 foot or less. 
.tonight...east winds 5 to 15 knots becoming south. showers with
a chance of thunderstorms. waves 2 feet or less. 
.sunday...southwest winds 15 to 20 knots becoming west. a chance
of showers in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet building to
3 to 6 feet. waves occasionally around 7 feet. 
.sunday night...west winds 15 to 20 knots. showers likely with a
chance of thunderstorms in the evening, then a chance of showers
overnight. waves 3 to 6 feet. waves occasionally around 7 feet. 
.monday...southwest winds 15 to 25 knots becoming west. showers
during the day, then showers likely monday night. waves 3 to
6 feet building to 4 to 7 feet, then subsiding to 3 to 5 feet.
waves occasionally around 9 feet. 
.tuesday...west winds 15 to 20 knots diminishing to less than
10 knots. mostly cloudy, then clearing. waves 2 to 4 feet
subsiding to 1 foot or less. 
.wednesday...west winds 10 knots or less becoming south. partly
to mostly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 am edt sat aug 22 2026

for waters within five nautical miles of shore

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.


lhz441-222145-
port austin to harbor beach mi-
942 am edt sat aug 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday morning...

.rest of today...southwest winds 5 to 10 knots veering to the
northwest late in the afternoon. mostly cloudy. a chance of
showers and a slight chance of thunderstorms late in the morning,
then a chance of showers and thunderstorms in the afternoon. a
chance of waterspouts. waves 2 feet or less. 
.tonight...north winds 15 to 20 knots becoming northwest 20 to
25 knots in the late evening and overnight. a chance of
waterspouts early in the evening. light showers and a chance of
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms in the late evening and early morning.
waves 1 to 3 feet building to 5 to 7 feet in the late evening and
overnight. waves occasionally around 10 feet. 
.sunday...northwest winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy. a slight chance of showers and thunderstorms until
late afternoon, then showers likely early in the afternoon. waves
6 to 9 feet. waves occasionally around 12 feet. 
.sunday night...northwest winds 20 to 25 knots. gusts to 30 knots
until early morning. mostly cloudy early in the evening becoming
partly cloudy. a chance of showers until early morning. waves
6 to 9 feet. waves occasionally around 12 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

see lake huron open lake forecast for days 3 through 5.

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 am edt sat aug 22 2026

for waters within five nautical miles of shore

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.


lhz442-222145-
harbor beach to port sanilac mi-
942 am edt sat aug 22 2026

...small craft advisory in effect from late tonight through
monday morning...

.rest of today...south winds 5 to 10 knots backing to the
northeast late in the afternoon. a chance of showers and
thunderstorms late in the morning, then showers and a chance of
thunderstorms in the afternoon. a chance of waterspouts. waves
2 feet or less. 
.tonight...north winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and overnight. showers and a chance
of thunderstorms early in the evening, then a chance of showers
and thunderstorms in the late evening and early morning. a chance
of waterspouts early in the evening. a slight chance of
waterspouts in the late evening and early morning. waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight.
waves occasionally around 7 feet. 
.sunday...northwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late morning and early
afternoon, then diminishing to 15 to 20 knots with gusts to
30 knots early in the afternoon. mostly cloudy until late
afternoon becoming partly cloudy. a chance of showers early in
the morning. a slight chance of thunderstorms until late
afternoon, then a chance of showers and thunderstorms early in
the afternoon. waves 4 to 6 feet. waves occasionally around
7 feet. 
.sunday night...northwest winds 15 to 20 knots. mostly cloudy
early in the evening becoming partly cloudy. light showers likely
and a chance of thunderstorms early in the evening, then a chance
of showers in the late evening and early morning. waves 4 to
6 feet. waves occasionally around 7 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

see lake huron open lake forecast for days 3 through 5.

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 am edt sat aug 22 2026

for waters within five nautical miles of shore

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.


lhz443-222145-
port sanilac to port huron mi-
942 am edt sat aug 22 2026

...small craft advisory in effect from late tonight through
monday morning...

.rest of today...south winds 5 to 10 knots. a chance of showers
and thunderstorms late in the morning, then showers with
thunderstorms likely in the afternoon. a chance of waterspouts
late in the morning, then a slight chance of waterspouts in the
afternoon. waves 2 feet or less. 
.tonight...northwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. mostly cloudy until
early morning becoming partly cloudy. a slight chance of
waterspouts early in the evening. rain showers likely and a
chance of thunderstorms early in the evening, then a chance of
showers and thunderstorms in the late evening and early morning.
waves 1 to 3 feet building to 2 to 4 feet in the late evening and
overnight. 
.sunday...northwest winds 15 to 20 knots. mostly cloudy until
late afternoon becoming partly cloudy. a slight chance of showers
until late afternoon. a slight chance of, then showers likely and
a chance of thunderstorms early in the afternoon. waves 2 to
4 feet. 
.sunday night...northwest winds 15 to 20 knots. partly cloudy. a
chance of showers and thunderstorms early in the evening. waves
2 to 4 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

see lake huron open lake forecast for days 3 through 5.

$$