040
FZUS51 KBUF 170804
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 AM EDT Fri Jul 17 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.

LEZ020-171500-
Upper Niagara River and Buffalo Harbor-
403 AM EDT Fri Jul 17 2026

.TODAY...Light and variable winds. Smoke.
.TONIGHT...Southwest winds 10 knots or less becoming south.
Smoke. A chance of showers and thunderstorms overnight.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the morning,
then showers with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds 10 knots or less becoming north.
Showers with a chance of thunderstorms in the evening.
.SUNDAY...North winds less than 10 knots. Mainly clear.
.MONDAY...South winds 10 knots or less increasing to 10 to
15 knots. A chance of showers Monday night.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 5 to
15 knots. Showers with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 75 degrees.

$$

LOZ030-171500-
Lower Niagara River-
403 AM EDT Fri Jul 17 2026

.TODAY...Light and variable winds. Smoke.
.TONIGHT...South winds 10 knots or less. Smoke. A chance of
showers and thunderstorms overnight.
.SATURDAY...Southwest winds 10 to 15 knots. Showers with a chance
of thunderstorms.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming north.
Showers with a chance of thunderstorms in the evening.
.SUNDAY...North winds 5 to 10 knots becoming light and variable.
Mainly clear.
.MONDAY...South winds 10 knots or less increasing to 10 to
15 knots. Showers likely Monday night.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Showers with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-171500-
Buffalo to Ripley along Lake Erie-
403 AM EDT Fri Jul 17 2026

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Light and variable winds. Smoke. Waves 1 foot or less.
.TONIGHT...Light and variable winds becoming south 10 to
15 knots. Smoke. A chance of showers and thunderstorms overnight.
Waves 1 foot or less.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the morning,
then showers with a chance of thunderstorms in the afternoon.
Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally
around 6 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming north 5 to
15 knots. Showers with a chance of thunderstorms in the evening,
then a chance of showers overnight. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.SUNDAY...North winds 10 knots or less becoming south. Mainly
clear. Waves 2 feet or less.
.MONDAY...South winds 10 knots or less increasing to 15 to
20 knots. A chance of showers Monday night. Waves 2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Showers with a chance of thunderstorms. Waves 1 to
3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-171500-
Niagara River to Hamlin Beach along Lake Ontario-
403 AM EDT Fri Jul 17 2026

.TODAY...East winds less than 10 knots. Smoke. Waves 2 feet or
less.
.TONIGHT...East winds 5 to 15 knots becoming south. Smoke. A
chance of showers and thunderstorms overnight. Waves 1 foot or
less.
.SATURDAY...Southwest winds 15 to 20 knots. Showers with a chance
of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming north.
Showers with a chance of thunderstorms in the evening. Waves 2 to
4 feet.
.SUNDAY...North winds 5 to 15 knots becoming west less than
10 knots. Mainly clear. Waves 1 to 3 feet subsiding to 1 foot or
less.
.MONDAY...Southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. Showers likely Monday night. Waves
2 feet or less.
.TUESDAY...Southwest winds 15 to 25 knots becoming west. Showers
with a chance of thunderstorms. Waves 1 to 3 feet building to
2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-171500-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
403 AM EDT Fri Jul 17 2026

.TODAY...Northeast winds less than 10 knots. Patchy smoke this
afternoon. Waves 2 feet or less.
.TONIGHT...East winds 10 knots or less becoming south. Areas of
smoke in the evening. Waves 1 foot or less.
.SATURDAY...South winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. Showers likely in the morning, then
showers with thunderstorms likely in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Showers with a chance of thunderstorms in the evening, then a
chance of showers overnight. Waves 2 to 4 feet building to 3 to
5 feet. Waves occasionally around 6 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Mainly clear. Waves 3 to 5 feet subsiding to 1 foot or
less. Waves occasionally around 6 feet.
.MONDAY...Southwest winds 10 knots or less becoming south 10 to
15 knots. A chance of showers Monday night. Waves 1 foot 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.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 73 degrees.

$$

LOZ044-171500-
Sodus Bay to Mexico Bay along Lake Ontario-
403 AM EDT Fri Jul 17 2026

.TODAY...Northeast winds 10 knots or less. Mostly sunny. Waves
2 feet or less.
.TONIGHT...Light and variable winds becoming southeast 5 to
10 knots. Partly to mostly cloudy. Waves 1 foot or less.
.SATURDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers likely in the morning, then showers with
thunderstorms likely in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Showers with a chance of thunderstorms in the evening, then a
chance of showers overnight. Waves 2 to 4 feet building to 3 to
6 feet. Waves occasionally around 7 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Mainly clear. Waves 3 to 5 feet subsiding to 1 to
3 feet. Waves occasionally around 6 feet.
.MONDAY...Southwest winds 10 knots or less becoming south and
increasing to 15 to 20 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.

Winds and waves higher in and near thunderstorms.

$$

LOZ045-171500-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 AM EDT Fri Jul 17 2026

.TODAY...Northeast winds 10 knots or less becoming southwest.
Sunny. Waves 1 foot or less.
.TONIGHT...South winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. A chance of showers overnight.
Waves 2 feet or less.
.SATURDAY...South winds 15 to 20 knots becoming southwest.
Showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots becoming north.
Showers with a chance of thunderstorms in the evening, then
showers likely overnight. Waves 2 to 4 feet building to 3 to
6 feet. Waves occasionally around 7 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. Mainly clear. Waves 2 to 4 feet subsiding to 2 feet or
less.
.MONDAY...South winds 5 to 15 knots increasing to 15 to 25 knots.
A chance of showers Monday night. Waves 1 foot or less building
to 2 to 4 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest. Showers
with a chance of thunderstorms. Waves 3 to 5 feet subsiding to
2 to 4 feet. Waves occasionally around 6 feet.

Winds and waves higher in and near thunderstorms.

$$