National Weather Service Marine Forecast FZUS51 KBUF

FZUS51 KBUF 172003
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 PM EDT Wed Jun 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.

LEZ020-180300
Upper Niagara River and Buffalo Harbor
403 PM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH THURSDAY EVENING

TONIGHT
Southwest winds 5 to 15 knots becoming south 15 to 20 knots. A chance of showers early, then showers late this evening. Showers with a chance of thunderstorms after midnight.

THURSDAY
Southwest winds 15 to 25 knots becoming west. Showers in the morning, then a chance of showers in the afternoon.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers in the evening.

FRIDAY
West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers in the afternoon.

FRIDAY NIGHT
West winds 5 to 15 knots. A chance of showers in the evening.

SATURDAY
West winds 5 to 10 knots becoming light and variable. Mainly clear, then becoming partly cloudy.

SUNDAY
Light and variable winds. A chance of showers Sunday night.

MONDAY
Northeast winds less than 10 knots. A chance of showers during the day.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 66 degrees.

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LOZ030-180300
Lower Niagara River
403 PM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH THURSDAY EVENING

TONIGHT
Southwest winds 5 to 10 knots becoming south and increasing to 15 to 25 knots after midnight. A chance of showers early, then showers late this evening. Showers with a chance of thunderstorms after midnight.

THURSDAY
Southwest winds 15 to 25 knots becoming west. Showers in the morning, then a chance of showers in the afternoon.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots. Partly cloudy in the evening, then becoming mainly clear.

FRIDAY
West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers in the afternoon.

FRIDAY NIGHT
West winds 5 to 15 knots. A chance of showers in the evening.

SATURDAY
West winds 10 knots or less. Mainly clear, then becoming partly cloudy.

SUNDAY
West winds less than 10 knots becoming east. A chance of showers Sunday night.

MONDAY
Northeast winds 10 knots or less becoming northwest. A chance of showers during the day.

Winds and waves higher in and near thunderstorms.

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LEZ040-041-180300
Buffalo to Ripley along Lake Erie
403 PM EDT Wed Jun 17 2026

GALE WARNING IN EFFECT FROM 2 AM EDT THURSDAY THROUGH THURSDAY AFTERNOON

TONIGHT
South winds 5 to 15 knots increasing to 30 knots. A chance of showers early, then showers late this evening. Showers with a chance of thunderstorms after midnight. Waves 1 to 2 feet building to 3 to 6 feet. Waves occasionally around 7 feet.

THURSDAY
Southwest winds to 30 knots becoming west. Showers in the morning, then a chance of showers in the afternoon. Waves 5 to 8 feet building to 7 to 11 feet. Waves occasionally around 14 feet.

THURSDAY NIGHT
West winds 15 to 25 knots diminishing to 10 to 15 knots. A chance of showers. Waves 7 to 10 feet subsiding to 2 to 4 feet. Waves occasionally around 13 feet.

FRIDAY
West winds 10 to 15 knots increasing to 15 to 20 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet.

FRIDAY NIGHT
West winds 15 to 20 knots diminishing to 5 to 10 knots. Becoming mainly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet.

SATURDAY
West winds 5 to 15 knots diminishing to less than 10 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less.

SUNDAY
West winds 10 knots or less becoming east. Showers likely Sunday night. Waves 1 foot or less.

MONDAY
Northeast winds 5 to 10 knots becoming northwest. Showers likely during the day. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

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LOZ042-180300
Niagara River to Hamlin Beach along Lake Ontario
403 PM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH SATURDAY MORNING

TONIGHT
South winds 5 to 15 knots increasing to 15 to 25 knots. Showers likely late this evening. Showers with a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet.

THURSDAY
Southwest winds 20 to 25 knots becoming west. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to 6 feet. Waves occasionally around 9 feet.

THURSDAY NIGHT
West winds 15 to 25 knots. Partly cloudy in the evening, then becoming mainly clear. Waves 3 to 6 feet. Waves occasionally around 7 feet.

FRIDAY
West winds 15 to 25 knots. Sunny. Waves 3 to 6 feet. Waves occasionally around 7 feet.

FRIDAY NIGHT
West winds 15 to 20 knots. Mainly clear. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet.

SATURDAY
West winds 15 to 20 knots diminishing to 5 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.

SUNDAY
West winds 10 knots or less becoming northeast. A chance of showers Sunday night. Waves 1 foot or less.

MONDAY
Northeast winds 5 to 15 knots becoming northwest. A chance of showers during the day. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

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LOZ043-044-180300
Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay
403 PM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH LATE SATURDAY NIGHT

TONIGHT
East winds 10 knots or less becoming southeast and increasing to 15 to 25 knots after midnight. A chance of showers late this evening. Showers with a chance of thunderstorms after midnight. Waves 1 foot or less building to 2 to 4 feet.

THURSDAY
South winds 20 to 25 knots becoming west. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves 2 to 4 feet building to 5 to 8 feet. Waves occasionally around 10 feet.

THURSDAY NIGHT
West winds 15 to 25 knots. A chance of showers in the evening. Waves 5 to 8 feet. Waves occasionally around 10 feet.

FRIDAY
West winds 15 to 25 knots. Sunny. Waves 5 to 9 feet. Waves occasionally around 11 feet.

FRIDAY NIGHT
West winds 15 to 25 knots. Partly cloudy. Waves 5 to 9 feet. Waves occasionally around 11 feet.

SATURDAY
West winds 15 to 20 knots diminishing to 10 to 15 knots. Partly cloudy. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet.

SUNDAY
West winds 10 knots or less becoming south. A chance of showers Sunday night. Waves 2 feet or less.

MONDAY
East winds 5 to 10 knots becoming northwest. A chance of showers. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 61 degrees.

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LOZ045-180300
Mexico Bay to the Saint Lawrence River along Lake Ontario
403 PM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH LATE SATURDAY NIGHT

TONIGHT
Southeast winds 10 knots or less increasing to 30 knots. Showers likely after midnight. Showers late. Waves 2 feet or less building to 3 to 5 feet. Waves occasionally around 6 feet.

THURSDAY
South winds to 30 knots becoming southwest. Showers with a chance of thunderstorms in the morning, then showers likely in the afternoon. Waves 5 to 8 feet. Waves occasionally around 10 feet.

THURSDAY NIGHT
Southwest winds 15 to 25 knots becoming west to 30 knots. A chance of showers in the evening. Waves 5 to 9 feet. Waves occasionally around 11 feet.

FRIDAY
West winds 15 to 25 knots. Mostly sunny. Waves 5 to 9 feet. Waves occasionally around 11 feet.

FRIDAY NIGHT
West winds 15 to 25 knots. Partly to mostly cloudy. Waves 5 to 8 feet. Waves occasionally around 10 feet.

SATURDAY
West winds 15 to 20 knots diminishing to 5 to 10 knots. A chance of showers. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet.

SUNDAY
West winds 5 to 15 knots becoming south less than 10 knots. A chance of showers Sunday night. Waves 2 feet or less.

MONDAY
East winds 5 to 10 knots becoming north. A chance of showers. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.