518
FZUS51 KBUF 302103
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 PM EST Sun Nov 30 2025

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.

LEZ020-010400-
Upper Niagara River and Buffalo Harbor-
403 PM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. Lake effect snow showers likely
with a chance of lake effect rain showers early.
.MONDAY...Northwest winds 5 to 10 knots becoming light and
variable. Mostly sunny in the morning, then becoming mostly
cloudy.
.MONDAY NIGHT...Light and variable winds. Snow overnight.
.TUESDAY...Light and variable winds. Snow in the morning, then a
chance of snow showers in the afternoon.
.TUESDAY NIGHT...Northwest winds less than 10 knots becoming
west. Partly to mostly cloudy.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of snow showers during the day, then snow
showers Wednesday night.
.THURSDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. Snow showers during the day, then a chance of snow
showers Thursday night.
.FRIDAY...Southwest winds 5 to 10 knots becoming south. A chance
of snow showers Friday night.

The water temperature off Buffalo is 44 degrees.

$$

LOZ030-010400-
Lower Niagara River-
403 PM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY...

.TONIGHT...Southwest winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. A chance of snow showers early.
.MONDAY...Northwest winds 5 to 15 knots becoming southwest less
than 10 knots. Mostly sunny in the morning, then becoming partly
sunny.
.MONDAY NIGHT...Light and variable winds. Snow overnight.
.TUESDAY...Light and variable winds becoming northwest 5 to
10 knots. Snow in the morning, then a chance of snow showers in
the afternoon.
.TUESDAY NIGHT...Northwest winds less than 10 knots becoming
west. Partly cloudy.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming west. A
chance of snow showers during the day, then snow showers likely
Wednesday night.
.THURSDAY...West winds 15 to 20 knots diminishing to 5 to
15 knots. Snow showers likely during the day, then a chance of
snow showers Thursday night.
.FRIDAY...Southwest winds 5 to 15 knots. A chance of snow showers
Friday night.

$$

LEZ040-041-010400-
Buffalo to Ripley along Lake Erie-
403 PM EST Sun Nov 30 2025

...GALE WARNING IN EFFECT UNTIL 1 AM EST MONDAY...

.TONIGHT...Southwest gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots after midnight. Lake effect snow
and lake effect rain early, then lake effect rain showers and
lake effect snow late this evening. Snow showers likely after
midnight. Waves 10 to 14 feet subsiding to 3 to 6 feet. Waves
occasionally around 18 feet.
.MONDAY...Northwest winds 5 to 15 knots becoming south less than
10 knots. Mostly sunny in the morning, then becoming partly
sunny. Waves 2 to 4 feet subsiding to 1 foot or less.
.MONDAY NIGHT...South winds 10 knots or less becoming southeast.
A chance of snow showers in the evening, then snow overnight.
Waves 1 foot or less.
.TUESDAY...East winds 10 knots or less becoming north. Snow in
the morning, then snow likely in the afternoon. Waves 1 foot or
less.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots becoming west. A
chance of snow showers overnight. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. A chance of snow showers during the day,
then snow showers Wednesday night. Waves 3 to 5 feet building to
7 to 10 feet. Waves occasionally around 13 feet.
.THURSDAY...West winds to 30 knots diminishing to 10 to 15 knots.
Snow showers during the day, then a chance of snow showers
Thursday night. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves
occasionally around 10 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. A chance
of snow showers during the day, then snow showers likely Friday
night. Waves 2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ042-010400-
Niagara River to Hamlin Beach along Lake Ontario-
403 PM EST Sun Nov 30 2025

...GALE WARNING IN EFFECT UNTIL 4 AM EST MONDAY...

.TONIGHT...Southwest gales to 35 knots becoming northwest and
diminishing to 15 to 25 knots after midnight. A chance of rain
and snow showers this evening, then a chance of snow showers
after midnight. Waves 9 to 12 feet subsiding to 7 to 10 feet.
Waves occasionally around 15 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming southwest and
diminishing to less than 10 knots in the afternoon. Partly sunny.
Waves 4 to 7 feet subsiding to 2 feet or less. Waves occasionally
around 9 feet.
.MONDAY NIGHT...South winds 10 knots or less becoming southeast.
Snow overnight. Waves 1 foot or less.
.TUESDAY...Southeast winds 10 knots or less becoming northwest.
Snow in the morning, then a chance of snow showers in the
afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots becoming west.
Mostly cloudy. Waves 1 to 2 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots becoming west. A
chance of snow showers during the day, then snow showers likely
Wednesday night. Waves 3 to 5 feet building to 5 to 8 feet. Waves
occasionally around 10 feet.
.THURSDAY...West winds 15 to 25 knots diminishing to 10 to
15 knots. Snow showers likely during the day, then a chance of
snow showers Thursday night. Waves 5 to 9 feet subsiding to 3 to
5 feet. Waves occasionally around 11 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south 10 to
15 knots. A chance of snow showers Friday night. Waves 1 to
3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet.

$$

LOZ043-010400-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
403 PM EST Sun Nov 30 2025

...GALE WARNING IN EFFECT UNTIL 4 AM EST MONDAY...

.TONIGHT...Southwest gales to 35 knots becoming northwest and
diminishing to 30 knots after midnight. A chance of snow and rain
showers this evening, then a chance of snow showers after
midnight. Waves 7 to 11 feet building to 9 to 13 feet. Waves
occasionally around 16 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Partly sunny. Waves 6 to 9 feet subsiding to 1 to
2 feet. Waves occasionally around 11 feet.
.MONDAY NIGHT...South winds 10 knots or less. Snow overnight.
Waves 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots becoming north. Snow.
Waves 1 foot or less.
.TUESDAY NIGHT...North winds 5 to 15 knots becoming west. Mostly
cloudy. Waves 1 to 2 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots becoming west. Snow
showers likely with a chance of rain showers Wednesday night.
Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally
around 10 feet.
.THURSDAY...West winds to 30 knots diminishing to 15 to 20 knots.
Snow showers likely during the day, then a chance of snow showers
Thursday night. Waves 7 to 11 feet subsiding to 4 to 7 feet.
Waves occasionally around 14 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots. A chance of snow showers Friday night. Waves 2 to
4 feet subsiding to 1 to 3 feet.

The water temperature off Rochester is 46 degrees.

$$

LOZ044-010400-
Sodus Bay to Mexico Bay along Lake Ontario-
403 PM EST Sun Nov 30 2025

...GALE WARNING IN EFFECT UNTIL 4 AM EST MONDAY...

.TONIGHT...Southwest winds to 30 knots becoming northwest. A
chance of rain and snow showers early, then lake effect snow and
rain showers likely. Waves 8 to 12 feet building to 10 to
14 feet. Waves occasionally around 18 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Partly sunny. Waves 6 to 9 feet subsiding to 1 to
2 feet. Waves occasionally around 11 feet.
.MONDAY NIGHT...Southwest winds 10 knots or less becoming
southeast 10 to 15 knots. Snow overnight. Waves 1 foot or less.
.TUESDAY...Southeast winds 5 to 15 knots becoming north. Snow.
Waves 1 foot or less.
.TUESDAY NIGHT...North winds 5 to 10 knots becoming west. A
chance of snow showers. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to
25 knots. A chance of snow showers during the day, then snow
showers Wednesday night. Waves 2 to 4 feet building to 7 to
10 feet. Waves occasionally around 13 feet.
.THURSDAY...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Snow showers during the day, then
a chance of snow showers Thursday night. Waves 7 to 11 feet
subsiding to 4 to 7 feet. Waves occasionally around 14 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. A chance
of snow showers during the day, then snow showers likely Friday
night. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves
occasionally around 6 feet.

$$

LOZ045-010400-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 PM EST Sun Nov 30 2025

...GALE WARNING IN EFFECT UNTIL 4 AM EST MONDAY...

.TONIGHT...Southwest gales to 35 knots becoming northwest and
diminishing to 30 knots after midnight. Lake effect rain showers
early, then lake effect rain showers and lake effect snow late
this evening. Snow showers likely with a chance of rain showers
after midnight. Waves 9 to 13 feet. Waves occasionally around
16 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west and
diminishing to less than 10 knots in the afternoon. Partly to
mostly sunny. Waves 5 to 8 feet subsiding to 1 to 3 feet. Waves
occasionally around 10 feet.
.MONDAY NIGHT...Southwest winds 10 knots or less becoming south
10 to 15 knots. Snow likely overnight. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 15 knots becoming northeast.
Snow. Waves 2 feet or less.
.TUESDAY NIGHT...North winds 10 knots or less becoming west. A
chance of snow showers. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 15 to 20 knots increasing to
30 knots. A chance of snow showers during the day, then snow
showers Wednesday night. Waves 2 to 4 feet building to 6 to
10 feet. Waves occasionally around 13 feet.
.THURSDAY...Northwest winds 15 to 25 knots. Snow showers during
the day, then a chance of snow showers Thursday night. Waves 7 to
10 feet subsiding to 3 to 6 feet. Waves occasionally around
13 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. A chance
of snow showers during the day, then snow showers likely Friday
night. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves
occasionally around 6 feet.

$$