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nearshore marine forecast
national weather service buffalo ny
403 am edt tue aug 18 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.


lez020-181500-
upper niagara river and buffalo harbor-
403 am edt tue aug 18 2026

.today...light and variable winds becoming west 5 to 10 knots.
patchy fog early. 
.tonight...southwest winds 5 to 10 knots. showers likely
overnight. 
.wednesday...southwest winds 5 to 10 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. 
.wednesday night...west winds less than 10 knots. a chance of
showers in the evening. patchy fog overnight. 
.thursday...light and variable winds. patchy fog during the day. 
.friday...light and variable winds. mainly clear, then becoming
partly cloudy. 
.saturday...south winds 10 knots or less becoming southwest. a
chance of showers during the day, then showers likely with a
chance of thunderstorms saturday night. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 76 degrees.

$$

fzus51 kbuf 180803
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expires:202608181500;;926121

nearshore marine forecast
national weather service buffalo ny
403 am edt tue aug 18 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.


loz042-181500-
niagara river to hamlin beach along lake ontario-
403 am edt tue aug 18 2026

.today...northwest winds 10 knots or less becoming west. mostly
sunny. waves 1 foot or less. 
.tonight...southwest winds 10 to 15 knots. showers likely
overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming northwest. a
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.wednesday night...northwest winds 10 knots or less. partly
cloudy. waves 1 to 2 feet. 
.thursday...northwest winds less than 10 knots becoming
northeast. mainly clear. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. mainly
clear, then becoming partly cloudy. waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers during the day, then showers likely saturday
night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938330

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 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.


lhz441-182200-
port austin to harbor beach mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 10 to 15 knots. mostly sunny
late in the morning, then partly cloudy with a slight chance of
showers and thunderstorms in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots veering to the
northwest in the late evening and overnight. becoming partly
cloudy after midnight. showers in the evening. a chance of
thunderstorms. showers likely after midnight. waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. a slight chance of showers early in
the morning. waves 1 to 3 feet. 
.wednesday night...northeast winds 5 to 10 knots backing to the
northwest after midnight. mostly clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938331

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 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.


lhz442-182200-
harbor beach to port sanilac mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 5 to 10 knots becoming south
10 to 15 knots late in the afternoon. mostly sunny late in the
morning, then partly cloudy with a slight chance of showers in
the afternoon. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. mostly cloudy until early morning
becoming partly cloudy. light showers likely and a chance of
thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. a chance of showers early in the
morning. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots backing to the
northwest after midnight. mostly clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938332

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 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.


lhz443-182200-
port sanilac to port huron mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 5 to 10 knots. sunny late in the
morning becoming partly cloudy. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots after midnight. partly cloudy with a chance of showers
and a slight chance of thunderstorms until early morning, then
partly cloudy with a chance of showers after midnight. waves
2 feet or less. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. partly cloudy early in the
morning then clearing. a slight chance of showers early in the
morning. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots. mostly clear.
waves 2 feet or less. 

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

$$