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nearshore marine forecast
national weather service buffalo ny
1004 am edt sat jul 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.


lez020-182100-
upper niagara river and buffalo harbor-
1004 am edt sat jul 18 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots. showers with a chance of thunderstorms this
afternoon. some thunderstorms may produce gusty winds this
afternoon. 
.tonight...west winds 5 to 15 knots becoming north less than
10 knots. a chance of showers and thunderstorms in the evening.
some thunderstorms may produce gusty winds in the evening. 
.sunday...north winds 10 knots or less becoming northwest. sunny.
.sunday night...light and variable winds. mainly clear. 
.monday...south winds 10 knots or less. a chance of showers
monday night. 
.tuesday...southwest winds 5 to 15 knots becoming west. showers
with a chance of thunderstorms. 
.wednesday...west winds 10 knots or less. a chance of showers. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 75 degrees.

$$

fzus51 kbuf 181404
nshbuf
expires:202607182100;;178129

nearshore marine forecast
national weather service buffalo ny
1004 am edt sat jul 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.


loz042-182100-
niagara river to hamlin beach along lake ontario-
1004 am edt sat jul 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.rest of today...southwest winds 15 to 20 knots. a chance of
showers and thunderstorms late this morning, then showers with a
chance of thunderstorms this afternoon. some thunderstorms may
produce gusty winds this afternoon. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming north 10 to
15 knots. mostly cloudy in the evening, then clearing. waves 2 to
4 feet building to 3 to 5 feet. waves occasionally around 6 feet.
.sunday...north winds 5 to 15 knots becoming west. sunny. waves
1 to 3 feet subsiding to 1 foot or less. 
.sunday night...west winds 10 knots or less becoming southwest.
mainly clear. waves 1 foot or less. 
.monday...southwest winds 10 knots or less becoming south 10 to
15 knots. a chance of showers monday night. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots becoming west. showers with
a chance of thunderstorms. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...west winds 15 to 20 knots. a chance of showers.
waves 3 to 5 feet subsiding to 2 to 4 feet. waves occasionally
around 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus53 kdtx 181331
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
931 am edt sat jul 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.


lhz441-182145-
port austin to harbor beach mi-
931 am edt sat jul 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.rest of today...west winds 15 to 20 knots becoming northwest
20 to 25 knots with gusts to 30 knots late in the afternoon.
partly cloudy. a chance of showers and a slight chance of
thunderstorms late in the morning. patchy smoke in the afternoon.
waves 3 to 5 feet. waves occasionally around 7 feet. 
.tonight...north winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the late evening and overnight.
clear. patchy smoke early in the evening. areas of smoke in the
late evening and early morning, then patchy smoke after midnight.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.sunday...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. sunny. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon. 
.sunday night...light and variable winds becoming south 5 to
10 knots in the late evening and early morning, then increasing
to 10 to 15 knots after midnight. mostly clear. waves 2 feet or
less. 

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

$$

fzus53 kdtx 181331
nshdtx
expires:202607182145;;177115

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
931 am edt sat jul 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.


lhz442-182145-
harbor beach to port sanilac mi-
931 am edt sat jul 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.rest of today...west winds 15 to 20 knots becoming northwest
20 to 25 knots late in the afternoon. partly cloudy with a chance
of showers and thunderstorms. waves 1 to 3 feet building to 3 to
5 feet late in the afternoon. waves occasionally around 7 feet. 
.tonight...north winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. mostly clear.
patchy smoke. waves 4 to 6 feet. waves occasionally around
7 feet. 
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. sunny. patchy smoke early in
the morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late morning and afternoon. 
.sunday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable, then becoming southwest 5 to
10 knots after midnight. mostly clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 181331
nshdtx
expires:202607182145;;177116

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
931 am edt sat jul 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.


lhz443-182145-
port sanilac to port huron mi-
931 am edt sat jul 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.rest of today...west winds 15 to 20 knots veering to the
northwest late in the afternoon. mostly sunny late in the morning
becoming partly cloudy. a chance of showers and thunderstorms
late in the morning, then showers likely and a chance of
thunderstorms in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.tonight...north winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. mostly clear. patchy smoke. waves 4 to
6 feet. waves occasionally around 7 feet. 
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots
early in the afternoon. sunny. patchy smoke early in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and afternoon. 
.sunday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable, then becoming southwest 5 to
10 knots after midnight. mostly clear. waves 2 feet or less. 

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

$$