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nearshore marine forecast
national weather service buffalo ny
1003 pm edt tue may 19 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-loz030-200900-
upper niagara river and buffalo harbor-lower niagara river-
1003 pm edt tue may 19 2026

.rest of tonight...southwest winds 10 to 15 knots becoming west.
showers likely with a chance of thunderstorms late this evening,
then a chance of showers after midnight. showers late. 
.wednesday...northwest winds 5 to 10 knots. a chance of showers
in the morning. 
.wednesday night...north winds 10 knots or less. mostly cloudy. 
.thursday...northeast winds 5 to 10 knots. mostly sunny. 
.thursday night...northeast winds 10 knots or less becoming east.
partly to mostly cloudy. 
.friday...east winds 5 to 10 knots. showers likely friday night. 
.saturday...east winds 5 to 15 knots becoming southeast. showers.
.sunday...southeast winds 5 to 10 knots becoming light and
variable. a chance of showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 55 degrees.

$$

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nearshore marine forecast
national weather service buffalo ny
1003 pm edt tue may 19 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.


loz042-200900-
niagara river to hamlin beach along lake ontario-
1003 pm edt tue may 19 2026

.rest of tonight...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms late this evening, then a
chance of showers after midnight. showers late. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots. a chance of showers in
the morning. waves 1 to 3 feet. 
.wednesday night...northwest winds 5 to 15 knots becoming north.
partly to mostly cloudy. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming east. mostly
sunny. waves 1 to 2 feet. 
.thursday night...east winds 10 knots or less. partly cloudy.
waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
showers likely friday night. waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally around 6 feet. 
.sunday...southeast winds 5 to 15 knots becoming southwest less
than 10 knots. showers likely during the day, then a chance of
showers sunday night. waves 2 feet 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
939 pm edt tue may 19 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.


lhz441-200945-
port austin to harbor beach mi-
939 pm edt tue may 19 2026

.rest of tonight...northwest winds 15 to 20 knots diminishing to
10 to 15 knots after midnight. mostly cloudy. a slight chance of
showers this evening. waves 2 to 4 feet. 
.wednesday...north winds 10 to 15 knots. partly cloudy becoming
mostly sunny in the late morning and early afternoon becoming
partly cloudy. waves 2 to 4 feet. 
.wednesday night...north winds 15 to 20 knots diminishing to
10 to 15 knots after midnight. partly cloudy. waves 3 to 5 feet.
waves occasionally around 7 feet. 
.thursday...northeast winds 10 to 15 knots. mostly sunny until
late afternoon becoming partly cloudy. waves 1 to 3 feet. 

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
939 pm edt tue may 19 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.


lhz442-200945-
harbor beach to port sanilac mi-
939 pm edt tue may 19 2026

.rest of tonight...west winds 10 to 15 knots veering to the north
after midnight. mostly cloudy. a slight chance of showers and
thunderstorms this evening. waves 1 to 3 feet building to 2 to
4 feet early in the morning. 
.wednesday...north winds 10 to 15 knots. partly cloudy becoming
mostly sunny in the late morning and early afternoon becoming
partly cloudy. waves 2 to 4 feet. 
.wednesday night...north winds 10 to 15 knots. partly cloudy.
waves 3 to 5 feet. waves occasionally around 7 feet. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
1 to 3 feet. 

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
939 pm edt tue may 19 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.


lhz443-200945-
port sanilac to port huron mi-
939 pm edt tue may 19 2026

.rest of tonight...west winds 10 to 15 knots becoming north 15 to
20 knots after midnight. mostly cloudy. a slight chance of
showers and thunderstorms this evening, then a slight chance of
showers after midnight. waves 1 to 3 feet building to 2 to 4 feet
early in the morning. 
.wednesday...north winds 15 to 20 knots. partly cloudy. waves
2 to 4 feet. 
.wednesday night...north winds 15 to 20 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 2 to 4 feet. 
.thursday...northeast winds 10 to 15 knots becoming north 15 to
20 knots early in the afternoon. mostly sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 

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

$$