fzus51 kbuf 220204
nshbuf
expires:202605220900;;430270

nearshore marine forecast
national weather service buffalo ny
1004 pm 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-loz030-220900-
upper niagara river and buffalo harbor-lower niagara river-
1004 pm edt thu may 21 2026

.overnight...east winds less than 10 knots. mainly clear. 
.friday...east winds 5 to 15 knots becoming northeast. mostly
sunny in the morning, then becoming mostly cloudy. 
.friday night...east winds 5 to 15 knots. a chance of showers
overnight. 
.saturday...east winds 5 to 15 knots. showers.
.saturday night...east winds 10 to 15 knots becoming southeast.
showers.
.sunday...southeast winds 5 to 10 knots becoming light and
variable. showers during the day, then a chance of showers sunday
night. 
.monday...light and variable winds. a chance of showers during
the day. 
.tuesday...light and variable winds. partly cloudy. 

the water temperature off buffalo is 56 degrees.

$$

fzus51 kbuf 220204
nshbuf
expires:202605220900;;430273

nearshore marine forecast
national weather service buffalo ny
1004 pm 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.


loz042-220900-
niagara river to hamlin beach along lake ontario-
1004 pm edt thu may 21 2026

.overnight...northeast winds 10 knots or less becoming
east. becoming mainly clear. waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
mostly sunny in the morning, then becoming mostly cloudy. 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 10 to 15 knots increasing to 15 to
20 knots. showers. waves 2 to 4 feet building to 3 to 5 feet.
waves occasionally around 6 feet. 
.saturday night...east winds 15 to 25 knots. showers. waves 3 to
6 feet. waves occasionally around 7 feet. 
.sunday...southeast winds 15 to 20 knots becoming light and
variable. showers during the day, then a chance of showers sunday
night. waves 2 to 4 feet subsiding to 1 foot or less. 
.monday...light and variable winds. a chance of showers during
the day. waves 1 foot or less. 
.tuesday...west winds less than 10 knots becoming southwest.
partly cloudy. waves 1 foot or less. 

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429855

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


lhz441-220945-
port austin to harbor beach mi-
942 pm edt thu may 21 2026

...small craft advisory in effect from friday afternoon through
saturday morning...

.rest of tonight...northeast winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots. mostly sunny early in the
morning becoming partly cloudy. waves 1 to 3 feet. 
.friday night...east winds 15 to 20 knots. mostly cloudy. a
chance of showers after midnight. waves 3 to 5 feet. waves
occasionally around 7 feet. 
.saturday...east winds 20 to 25 knots with gusts to 30 knots.
rain showers likely until late afternoon, then showers early in
the afternoon. waves 5 to 7 feet. waves occasionally around
10 feet. 

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

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429856

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


lhz442-220945-
harbor beach to port sanilac mi-
942 pm edt thu may 21 2026

...small craft advisory in effect from friday evening through
saturday morning...

.rest of tonight...northeast winds 15 to 20 knots becoming east
10 to 15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.friday night...east winds 15 to 20 knots increasing to 20 to
25 knots after midnight. cloudy. a chance of showers after
midnight. waves 3 to 5 feet. waves occasionally around 6 feet. 
.saturday...east winds 20 to 25 knots with gusts to 30 knots.
rain showers. waves 5 to 7 feet. waves occasionally around
10 feet. 

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

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429857

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


lhz443-220945-
port sanilac to port huron mi-
942 pm edt thu may 21 2026

...small craft advisory in effect from friday evening through
saturday morning...

.rest of tonight...northeast winds 15 to 20 knots becoming east
10 to 15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning. 
.friday...east winds 15 to 20 knots. partly cloudy until late
afternoon becoming mostly cloudy. waves 2 to 4 feet. 
.friday night...east winds 15 to 20 knots increasing to 20 to
25 knots after midnight. cloudy. light showers likely after
midnight. waves 3 to 5 feet. waves occasionally around 7 feet. 
.saturday...east winds 20 to 25 knots. gusts to 30 knots until
late afternoon. rain showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 

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

$$