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nearshore marine forecast
national weather service buffalo ny
404 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.


lez020-211500-
upper niagara river and buffalo harbor-
404 am edt tue jul 21 2026

...small craft advisory in effect from 10 am edt this morning
through this evening...

.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms. some
thunderstorms may produce gusty winds from late morning on. 
.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 210804
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nearshore marine forecast
national weather service buffalo ny
404 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.


loz042-211500-
niagara river to hamlin beach along lake ontario-
404 am edt tue jul 21 2026

...small craft advisory in effect from 10 am edt this morning
through late wednesday night...

.today...south winds 15 to 20 knots becoming southwest. showers
with a chance of thunderstorms. some thunderstorms may produce
gusty winds from late morning on. 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.

$$

fzus53 kdtx 210739
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 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.


lhz441-211545-
port austin to harbor beach mi-
339 am edt tue jul 21 2026

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

.today...southwest winds 20 to 25 knots becoming west 15 to
20 knots late in the morning, then diminishing to 10 to 15 knots
early in the afternoon 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 early in the
morning then clearing. 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 210739
nshdtx
expires:202607211545;;336770

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 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.


lhz442-211545-
harbor beach to port sanilac mi-
339 am edt tue jul 21 2026

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

.today...west winds 15 to 20 knots. partly cloudy with a chance
of showers and thunderstorms. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.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
becoming partly cloudy in the late morning and early afternoon
becoming mostly sunny. 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 2 to 4 feet. 

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

$$

fzus53 kdtx 210739
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expires:202607211545;;336771

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
339 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.


lhz443-211545-
port sanilac to port huron mi-
339 am edt tue jul 21 2026

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

.today...southwest winds 15 to 20 knots veering to the west late
in the afternoon. partly cloudy with a chance of showers and
thunderstorms. patchy smoke in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.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.

$$