National Weather Service United States Department of Commerce

 

 

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
 
1035 AM EDT Tue May 21 2019 The water temperature off Buffalo is 50 degrees.
 

1035 AM EDT Tue May 21 2019 The water temperature off Rochester is 45 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


000
FZUS51 KBUF 211740
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
140 PM EDT Tue May 21 2019

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.

LEZ020-212100-
Upper Niagara River and Buffalo Harbor-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...Northwest winds around 10 knots. Sunny.
.TONIGHT...West winds 5 to 10 knots becoming light and variable.
Mainly clear in the evening, then becoming partly cloudy.
.WEDNESDAY...Light and variable winds becoming east 5 to
10 knots. Partly sunny.
.WEDNESDAY NIGHT...Southeast winds 10 knots or less becoming
south. A chance of showers and thunderstorms.
.THURSDAY...Southwest winds 5 to 15 knots becoming northwest. A
chance of showers and thunderstorms. Some thunderstorms may
produce gusty winds.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night.
.SATURDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Saturday night.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 50 degrees.

$$

LOZ030-212100-
Lower Niagara River-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...Northwest winds around 10 knots. Sunny.
.TONIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Mainly clear.
.WEDNESDAY...Light and variable winds becoming east 10 to
15 knots. Partly sunny.
.WEDNESDAY NIGHT...East winds 5 to 10 knots becoming light and
variable. A chance of showers and thunderstorms.
.THURSDAY...Southwest winds 5 to 15 knots becoming northwest. A
chance of showers and thunderstorms. Some thunderstorms may
produce gusty winds.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night.
.SATURDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Saturday night.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-212100-
Buffalo to Ripley along Lake Erie-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...West winds 5 to 10 knots. Mostly sunny. Waves
around 1 foot.
.TONIGHT...West winds 10 knots or less becoming southeast. Mainly
clear in the evening, then becoming partly cloudy. Waves 1 foot
or less.
.WEDNESDAY...Southeast winds 5 to 15 knots. A chance of showers
in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots becoming south.
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. Some thunderstorms may produce
gusty winds. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Saturday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-212100-
Niagara River to Hamlin Beach along Lake Ontario-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...West winds 10 to 15 knots becoming northwest.
Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest winds 10 to 15 knots becoming light and
variable. Mainly clear. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming east 15 to
20 knots. Partly to mostly sunny. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 15 to 20 knots becoming southeast
5 to 15 knots. A chance of showers and thunderstorms. Waves 1 to
3 feet.
.THURSDAY...South winds 10 knots or less becoming northwest 10 to
15 knots. A chance of showers and thunderstorms. Some
thunderstorms may produce gusty winds. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Saturday night. Waves 2 feet
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-044-212100-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...West winds 10 to 15 knots. Sunny. Waves 2 to
4 feet.
.TONIGHT...West winds 5 to 15 knots becoming northwest less than
10 knots. Mainly clear. Waves 1 to 3 feet.
.WEDNESDAY...Southeast winds 10 knots or less becoming east 10 to
15 knots. Sunny in the morning, then becoming partly sunny. Waves
1 foot or less.
.WEDNESDAY NIGHT...East winds 5 to 15 knots becoming southeast. A
chance of showers and thunderstorms. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots becoming northwest. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Thursday night. Some
thunderstorms may produce gusty winds. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night. Waves 2 feet or less.
.SATURDAY...South winds 5 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Saturday night. Waves 2 feet
or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 45 degrees.

$$

LOZ045-212100-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
140 PM EDT Tue May 21 2019

.THIS AFTERNOON...West winds 10 to 15 knots. Sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TONIGHT...West winds 10 knots or less becoming northeast. Mainly
clear. Waves 1 to 3 feet.
.WEDNESDAY...Light and variable winds. Mostly sunny. Waves 1 foot
or less.
.WEDNESDAY NIGHT...Northeast winds 10 knots or less becoming
southeast. A chance of showers in the evening, then a chance of
showers and thunderstorms overnight. Waves 1 foot or less.
.THURSDAY...Southeast winds 5 to 10 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Thursday night. Some
thunderstorms may produce gusty winds. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 knots or less becoming south. A
chance of showers Friday night. Waves 2 feet or less.
.SATURDAY...South winds 5 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Saturday night. Waves 2 feet
or less.

Winds and waves higher in and near thunderstorms.

$$

JJR