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nearshore marine forecast
national weather service buffalo ny
1004 am edt tue jul 21 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.


lez020-212100-
upper niagara river and buffalo harbor-
1004 am edt tue jul 21 2026

...small craft advisory in effect until 9 pm edt this evening...

.rest of today...south winds 15 to 20 knots becoming southwest.
showers likely with a chance of thunderstorms late this morning,
then a chance of showers and thunderstorms early this afternoon.
showers with a chance of thunderstorms late. some thunderstorms
may produce gusty winds. 
.tonight...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms in the evening. some
thunderstorms may produce gusty winds in the evening. 
.wednesday...west winds around 10 knots. partly sunny. 
.wednesday night...northwest winds 5 to 10 knots becoming light
and variable. partly cloudy in the evening, then becoming mainly
clear. 
.thursday...light and variable winds. mainly clear. 
.friday...light and variable winds. mainly clear. 
.saturday...south winds less than 10 knots. partly cloudy. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 75 degrees.

$$

fzus51 kbuf 211404
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nearshore marine forecast
national weather service buffalo ny
1004 am edt tue jul 21 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.


loz042-212100-
niagara river to hamlin beach along lake ontario-
1004 am edt tue jul 21 2026

...small craft advisory in effect through late wednesday night...

.rest of today...southwest winds 15 to 20 knots. showers with a
chance of thunderstorms. some thunderstorms may produce gusty
winds. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the evening. some thunderstorms
may produce gusty winds in the evening. waves 2 to 4 feet
building to 3 to 5 feet. waves occasionally around 6 feet. 
.wednesday...west winds 15 to 25 knots. partly sunny. waves 3 to
6 feet. waves occasionally around 7 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming west
10 to 15 knots. becoming mainly clear. waves 3 to 6 feet
subsiding to 1 to 3 feet. waves occasionally around 7 feet. 
.thursday...west winds 5 to 10 knots becoming southwest. mainly
clear. waves 2 feet or less. 
.friday...south winds 10 knots or less. mainly clear. waves
1 foot or less. 
.saturday...south winds less than 10 knots becoming southwest.
partly 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
947 am edt tue jul 21 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.


lhz441-212200-
port austin to harbor beach mi-
947 am edt tue jul 21 2026

...small craft advisory in effect through wednesday evening...

.rest of today...west winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon, then increasing to 15 to
20 knots late in the afternoon. partly cloudy with a chance of
showers and thunderstorms. waves 3 to 5 feet subsiding to 2 to
4 feet early in the afternoon, then building to 3 to 5 feet late
in the afternoon. waves occasionally around 7 feet. 
.tonight...northwest winds to 30 knots diminishing to 20 to
25 knots after midnight. partly cloudy early in the evening
becoming mostly cloudy. a chance of showers and a slight chance
of thunderstorms early in the evening. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.wednesday...northwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. mostly cloudy with a slight
chance of showers early in the morning, then mostly sunny in the
late morning and afternoon. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.wednesday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots after midnight. clear. waves 3 to 5 feet. waves
occasionally around 7 feet. 

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

$$

fzus53 kdtx 211347
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
947 am edt tue jul 21 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.


lhz442-212200-
harbor beach to port sanilac mi-
947 am edt tue jul 21 2026

...small craft advisory in effect through wednesday evening...

.rest of today...west winds 15 to 20 knots. partly cloudy. a
slight chance of showers and thunderstorms late in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.tonight...northwest winds 20 to 25 knots. partly cloudy until
early morning becoming mostly cloudy. a chance of showers and
thunderstorms early in the evening. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.wednesday...northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. mostly cloudy with a
slight chance of showers early in the morning, then mostly sunny
in the late morning and afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.wednesday night...northwest winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. clear. waves 3 to 5 feet. waves
occasionally around 7 feet. 

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

$$

fzus53 kdtx 211347
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
947 am edt tue jul 21 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.


lhz443-212200-
port sanilac to port huron mi-
947 am edt tue jul 21 2026

...small craft advisory in effect through wednesday evening...

.rest of today...west winds 15 to 20 knots. partly cloudy. a
slight chance of showers and thunderstorms late in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.tonight...northwest winds 20 to 25 knots. partly cloudy. a
chance of showers and thunderstorms early in the evening. waves
3 to 5 feet. waves occasionally around 7 feet. 
.wednesday...northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. waves 3 to 5 feet. waves
occasionally around 7 feet. 
.wednesday night...north winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. clear. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 

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

$$