Forecast as of 12:35 PM EST on December 5, 2013
Lake Ontario Open Waters From The Niagara River To Hamlin Beach-
Southwest winds 15 to 20 knots becoming west. A chance of showers. Waves 2 to 3 feet.
West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers after midnight. A chance of rain showers and sleet late. Waves 2 to 4 feet.
West winds 15 to 20 knots. Waves 2 to 4 feet.
West winds 10 to 15 knots becoming northwest 15 to 20 knots. A chance of snow overnight. Waves 2 to 4 feet.
West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of snow showers during the day. Waves 2 to 4 feet building to 3 to 5 feet...then subsiding to 1 to 3 feet.
North winds 5 to 10 knots becoming southeast and increasing to 30 knots. Snow likely Sunday night. Waves 1 to 2 feet building to 5 to 8 feet.
South winds 15 to 25 knots becoming west to 30 knots. Rain and snow likely during the day...then lake effect snow and rain showers likely Monday night. Waves 3 to 6 feet building to 6 to 10 feet.
Click any area for a Zone forecast. Click the Station ID for station data.
- Niagara River to Thirty-Mile Point NY
- Thirty-Mile Point to Sodus Bay NY
- Sodus Bay to Mexico Bay NY
- Mexico Bay NY to the St. Lawrence River
- Lake Ontario, Niagara River to Thirty-Mile Point NY beyond 5 nm offshore
- Lake Ontario, Thirty-Mile Point to Sodus Bay NY beyond 5 nm offshore
- Lake Ontario, Sodus Bay to Mexico Bay NY beyond 5 nm offshore
- Lake Ontario, Mexico Bay NY to the St. Lawrence River beyond 5 nm offshore
St. Lawrence River
Canadian portions of the Great Lakes
Marine & Boating
Enter a coastal zip code for marine weather.
Coastal Water Temperatures
|Buffalo, NY||36.0 °F|
Open Sea Buoy Information
|Place||ID||Sea Temp||Wave Height|
|NW Lake Ontario Ajax||45159||40 °F||2.30 ft|
|West Lake Ontario Grimsby||45139||58 °F||1.97 ft|
|Port Colborne||45142||31 °F||0.33 ft|
|Lake Ontario Buoy 20NM North Northeast of Rochester, NY||45012||47 °F||2.30 ft|
|Lake Simcoe||45151||0.98 ft|
|Click the Station ID for daily observations and history.|
C-MAN Station Information
|Place||ID||Water Temp||Wave Height|
NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.