690
FZUS51 KBUF 200539
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
139 AM EDT Mon May 20 2024

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.

LEZ020-200915-
Upper Niagara River and Buffalo Harbor-
139 AM EDT Mon May 20 2024

.OVERNIGHT...Light and variable winds. Partly cloudy.
.MONDAY...Light and variable winds becoming southwest 5 to
10 knots. Mostly sunny.
.MONDAY NIGHT...Southwest winds 10 knots or less becoming south.
Partly cloudy.
.TUESDAY...South winds 5 to 10 knots becoming southwest. Mostly
sunny.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming south.
Partly cloudy.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers and thunderstorms.
.THURSDAY...Southwest winds 10 to 15 knots becoming west less
than 10 knots. A chance of showers and thunderstorms during the
day.
.FRIDAY...West winds 10 knots or less becoming northeast. Mainly
clear.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 56 degrees.

$$

LOZ030-200915-
Lower Niagara River-
139 AM EDT Mon May 20 2024

.OVERNIGHT...Light and variable winds. Patchy fog late.
.MONDAY...Light and variable winds. Mostly sunny.
.MONDAY NIGHT...South winds less than 10 knots. Partly cloudy.
.TUESDAY...South winds 5 to 15 knots becoming southwest. Partly
to mostly sunny.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming south.
Partly cloudy.
.WEDNESDAY...Southwest winds 10 to 15 knots. A chance of showers
and thunderstorms.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers and thunderstorms during the day.
.FRIDAY...West winds 10 knots or less becoming northeast. Mainly
clear.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-200915-
Buffalo to Ripley along Lake Erie-
139 AM EDT Mon May 20 2024

.OVERNIGHT...South winds less than 10 knots becoming
southeast. Patchy fog late. Waves 1 foot or less.
.MONDAY...Light and variable winds. Patchy fog in the morning.
Waves 1 foot or less.
.MONDAY NIGHT...Southeast winds 10 knots or less becoming south.
Partly cloudy. Waves 1 foot or less.
.TUESDAY...South winds 5 to 10 knots becoming southwest. Mostly
sunny. Waves 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers and thunderstorms. Waves 1 foot or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers and thunderstorms during the day. Waves 1 foot or
less.
.FRIDAY...West winds 10 knots or less becoming east. Mainly
clear, then becoming partly cloudy. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-200915-
Niagara River to Hamlin Beach along Lake Ontario-
139 AM EDT Mon May 20 2024

.OVERNIGHT...Light and variable winds. Patchy fog. Waves
1 foot or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots.
Patchy fog in the morning. Waves 1 foot or less.
.MONDAY NIGHT...East winds 10 knots or less becoming south.
Partly to mostly cloudy. Waves 1 foot or less.
.TUESDAY...Southwest winds 5 to 15 knots. Partly to mostly sunny.
Waves 2 feet or less.
.TUESDAY NIGHT...Southwest winds 5 to 15 knots becoming south.
Partly cloudy. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. A chance of showers
during the day, then a chance of showers and thunderstorms
Wednesday night. Waves 2 feet or less.
.THURSDAY...Southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. A chance of showers and
thunderstorms during the day. Waves 1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots becoming north. Mainly clear.
Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-044-200915-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
139 AM EDT Mon May 20 2024

.OVERNIGHT...Light and variable winds. Patchy fog. Waves
1 foot or less.
.MONDAY...Southwest winds less than 10 knots becoming northeast.
Patchy fog in the morning. Waves 1 foot or less.
.MONDAY NIGHT...East winds 10 knots or less becoming south.
Partly cloudy. Waves 1 foot or less.
.TUESDAY...South winds 10 knots or less becoming southwest.
Partly to mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming south.
Partly cloudy. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots becoming southwest. A
chance of showers and thunderstorms. Waves 1 foot or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers and thunderstorms during the day. Waves 1 to 3 feet.
.FRIDAY...West winds 10 knots or less becoming north. Mainly
clear. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 48 degrees.

$$

LOZ045-200915-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
139 AM EDT Mon May 20 2024

.OVERNIGHT...Light and variable winds. Patchy fog. Waves
1 foot or less.
.MONDAY...South winds less than 10 knots becoming southwest.
Patchy fog in the morning. Waves 1 foot or less.
.MONDAY NIGHT...South winds 10 knots or less. Partly cloudy.
Waves 1 foot or less.
.TUESDAY...South winds 5 to 10 knots becoming southwest. Partly
sunny. Waves 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots. A chance of showers
during the day, then showers likely with a chance of
thunderstorms Wednesday night. Waves 1 foot or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day. Waves 1 to
3 feet.
.FRIDAY...West winds 5 to 15 knots becoming northeast less than
10 knots. Mainly clear. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

AR