Lake Temperatures

Lake Erie

The reported Lake Erie water temperature is taken at the Buffalo Water Treatment Plant located on Lake Erie at the entrance to the Niagara River. The reading is taken at a depth of 30 feet. This data is unofficial.

Lake Ontario

The reported Lake Ontario water temperature is taken at the Monroe County Water Treatment Plant near Greece, N.Y. The temperatures is measured at the intake pipes about 1500 feet offshore at a approximate depth of 35 feet. The Lake Ontario temperature occasionally may not be representative of the surface temperature due to upwelling. This process, more common during the summer months, brings colder water from the deeper parts of the lake toward the surface near the temperature sensor. The surface water may be significantly warmer. This data is unofficial.

Latest Lake Temperatures

1003 AM EDT Wed Jun 11 2025 The water temperature off Buffalo is 60 degrees.

1003 AM EDT Wed Jun 11 2025 The water temperature off Rochester is 55 degrees.

Monthly Lake Erie Temperatures
January	February	March	April	May	June	July	August	September	October	November	December

Historical Lake Erie Temperatures (Unofficial Normals and Extremes)

The daily lake temperatures for Lake Erie off Buffalo and for Lake Ontario off Rochester are included in the Nearshore Marine Forecast.

Click the link for previous versions of the Nearshore Marine Forecast.

NearShore Marine Forecast

003
FZUS51 KBUF 120203
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
1003 PM EDT Wed Jun 11 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.

LEZ020-120900-
Upper Niagara River and Buffalo Harbor-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 15 to 20 knots becoming west
and diminishing to 5 to 10 knots. Partly cloudy.
.THURSDAY...West winds 10 knots or less. Partly sunny.
.THURSDAY NIGHT...West winds 10 knots or less becoming northeast.
Partly cloudy.
.FRIDAY...Northeast winds 5 to 10 knots. Mostly sunny.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. A chance of
showers overnight.
.SATURDAY...Northeast winds 10 knots or less. A chance of
showers.
.SUNDAY...Northeast winds 10 knots or less. A chance of showers
during the day.
.MONDAY...Northeast winds 10 knots or less becoming south. Mostly
cloudy.

The water temperature off Buffalo is 60 degrees.

$$

LOZ030-120900-
Lower Niagara River-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 15 to 20 knots becoming west
and diminishing to 5 to 10 knots. Partly cloudy.
.THURSDAY...West winds 5 to 10 knots. Partly sunny.
.THURSDAY NIGHT...West winds 10 knots or less becoming northeast.
Partly cloudy.
.FRIDAY...Northeast winds 5 to 10 knots. Partly to mostly sunny.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots becoming east. A
chance of showers overnight.
.SATURDAY...Northeast winds 10 knots or less. A chance of
showers.
.SUNDAY...Northeast winds 10 knots or less. A chance of showers
during the day.
.MONDAY...Northeast winds 10 knots or less becoming south. Mostly
cloudy.

$$

LEZ041-120900-
Dunkirk to Buffalo along Lake Erie-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 5 to 15 knots becoming west.
Partly to mostly cloudy. Waves 1 to 3 feet.
.THURSDAY...West winds 10 knots or less. Partly sunny. Waves
2 feet or less.
.THURSDAY NIGHT...West winds 10 knots or less becoming northeast.
Partly cloudy. Waves 1 foot or less.
.FRIDAY...East winds 5 to 15 knots becoming northeast. Mostly
sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 5 to 15 knots. A chance of
showers overnight. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.
.SUNDAY...Northeast winds 10 knots or less. A chance of showers
during the day. Waves 1 foot or less.
.MONDAY...Northeast winds 10 knots or less becoming south. A
chance of showers. Waves 1 foot or less.

$$

LEZ040-120900-
Ripley to Dunkirk along Lake Erie-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 5 to 15 knots becoming west.
Partly to mostly cloudy. Waves 1 to 3 feet.
.THURSDAY...West winds 10 knots or less becoming north. Partly
sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast winds 10 knots or less. Partly
cloudy. Waves 1 foot or less.
.FRIDAY...East winds 10 to 15 knots becoming northeast. Mostly
sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. A chance of
showers overnight. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.
.MONDAY...Northeast winds 5 to 10 knots becoming south. A chance
of showers. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-120900-
Niagara River to Hamlin Beach along Lake Ontario-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.THURSDAY...West winds 5 to 15 knots. Partly sunny. Waves 1 to
3 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northeast.
Partly cloudy. Waves 1 foot or less.
.FRIDAY...East winds 10 to 15 knots. Partly sunny. Waves 1 to
3 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. A chance of showers
overnight. Waves 1 to 3 feet.
.SATURDAY...East winds 5 to 15 knots becoming northeast. A chance
of showers. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 10 knots. A chance of showers
during the day. Waves 1 to 2 feet.
.MONDAY...East winds 5 to 10 knots becoming southeast. Mostly
cloudy. Waves 1 foot or less.

$$

LOZ043-120900-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Partly sunny. Waves 1 to
3 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northeast.
Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northeast winds around 10 knots. Partly sunny. Waves
1 to 2 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. A chance of
showers overnight. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers during the day. Waves 1 to 2 feet.
.MONDAY...East winds 5 to 10 knots becoming south. Mostly cloudy.
Waves 1 foot or less.

The water temperature off Rochester is 55 degrees.

$$

LOZ044-120900-
Sodus Bay to Mexico Bay along Lake Ontario-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 10 to 15 knots becoming west
15 to 20 knots. Mostly cloudy. Waves 1 to 2 feet building to 2 to
4 feet.
.THURSDAY...West winds 10 to 15 knots. Partly to mostly sunny.
Waves 2 to 4 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming northeast.
Partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northeast winds 5 to 10 knots. Partly sunny. Waves 1 to
2 feet.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. A chance of
showers. Waves 1 to 2 feet.
.SATURDAY...Northeast winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers during the day. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots becoming south. Mostly cloudy.
Waves 1 foot or less.

$$

LOZ045-120900-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
1003 PM EDT Wed Jun 11 2025

.OVERNIGHT...Southwest winds 10 to 15 knots becoming west
15 to 20 knots. Partly to mostly cloudy. Waves 1 to 3 feet
building to 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest.
Becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming northeast.
Partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northeast winds 5 to 10 knots. Partly to mostly sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. A chance of
showers. Waves 1 foot or less.
.SATURDAY...Northeast winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers during the day. Waves 1 foot or less.
.MONDAY...East winds 5 to 10 knots becoming south. Mostly cloudy.
Waves 1 foot or less.

$$