Active Advisory: (US Severe Weather)
Forecast as of 12:44 PM EST on December 13, 2013
Small Craft Advisory in effect until 7 PM EST this evening
Niagara River To Hamlin Beach Along Lake Ontario-
North winds 15 to 20 knots diminishing to 10 to 15 knots. Lake effect snow early...then scattered snow showers late. Waves 3 to 5 feet subsiding to 2 to 4 feet.
North winds 10 to 15 knots becoming northeast 15 to 20 knots. A chance of snow showers overnight. Waves 2 to 3 feet.
East winds increasing to 30 knots. Snow. Waves building to 5 to 8 feet.
East winds to 30 knots becoming northeast 15 to 25 knots. Snow. Waves 5 to 8 feet.
North winds 10 to 15 knots becoming northwest. A chance of snow showers. Waves subsiding to 1 to 3 feet.
Northwest winds 10 to 15 knots becoming south 10 knots or less. A chance of snow showers. Waves 1 to 3 feet subsiding to 1 foot or less.
Southwest winds 10 to 20 knots. A chance of snow showers. Waves building to 3 to 5 feet.
Small Craft Advisory
Statement as of 9:39 AM EST on December 13, 2013
... Small Craft Advisory remains in effect until 7 PM EST this
* winds... northwest 20 to 25 knots.
* Waves... 5 to 8 feet.
A Small Craft Advisory means that wind speeds of 18 to 33 knots
and/or waves averaging 4 feet or more are expected to produce
hazardous wave conditions to small craft. Inexperienced
mariners... especially those operating smaller vessels... should
avoid navigating in these conditions.
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
|No Stations Reporting|
Open Sea Buoy Information
|Place||ID||Sea Temp||Wave Height|
|NW Lake Ontario Ajax||45159||33 °F||0.00 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||0.66 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.