fzus51 kbuf 211523
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nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 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-loz030-212115-
upper niagara river and buffalo harbor-lower niagara river-
1123 am edt thu may 21 2026

.this afternoon...northeast winds around 10 knots. sunny.
.tonight...northeast winds 10 knots or less becoming east. mainly
clear. 
.friday...east winds 5 to 15 knots becoming northeast. partly to
mostly sunny. 
.friday night...east winds 5 to 15 knots. showers likely
overnight. 
.saturday...east winds 5 to 15 knots becoming southeast. showers.
.sunday...south winds 5 to 10 knots becoming light and variable.
a chance of showers. 
.monday...light and variable winds. a chance of showers during
the day. 

the water temperature off buffalo is 56 degrees.

$$

fzus51 kbuf 211523
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nearshore marine forecast
national weather service buffalo ny
1123 am edt thu may 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.


loz042-212115-
niagara river to hamlin beach along lake ontario-
1123 am edt thu may 21 2026

.this afternoon...east winds 5 to 15 knots. sunny. waves 1 to
3 feet. 
.tonight...northeast winds 10 knots or less becoming east. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
partly to mostly sunny. waves 1 to 3 feet building to 2 to
4 feet. 
.friday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...east winds 15 to 25 knots becoming southeast.
showers. waves 2 to 4 feet building to 3 to 5 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 1 to 3 feet subsiding to 1 foot or
less. 
.monday...northwest winds less than 10 knots. a chance of showers
during the day. waves 1 foot or less. 

$$

fzus53 kdtx 211400
nshdtx
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 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-
1000 am edt thu may 21 2026

.rest of today...northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the afternoon. mostly sunny. waves 2 to 4 feet.
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon. partly cloudy. waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 3
to 5 feet. waves occasionally around 7 feet. a small craft advisory
may be needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402799

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 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-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...northeast winds 10 to 15 knots. partly cloudy until
late afternoon becoming mostly sunny. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 1
to 3 feet building to 3 to 5 feet in the late evening and overnight.
waves occasionally around 7 feet. a small craft advisory may be
needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402800

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 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-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. mostly cloudy. rain showers
likely after midnight. waves 2 to 4 feet building to 3 to 5 feet in
the late evening and overnight. waves occasionally around 7 feet. a
small craft advisory may be needed.

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

$$