Marine Weather for LO 042

Active Advisory: (US Severe Weather)
Forecast as of 8:23 am EST on December 11, 2019
Small Craft Advisory in effect through Thursday morning
Niagara River To Hamlin Beach Along Lake Ontario-
Rest Of Today
Southwest winds 15 to 25 knots becoming west to 30 knots. Scattered lake effect snow showers. Waves 2 to 4 feet building to 8 to 11 feet. Waves occasionally around 14 feet.
Tonight
West winds to 30 knots diminishing to 15 to 25 knots. Snow showers likely. Waves 8 to 12 feet subsiding to 3 to 6 feet. Waves occasionally around 15 feet.
Thursday
Southwest winds 5 to 15 knots becoming south. Sunny in the morning, then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 foot or less.
Thursday Night
Southeast winds 10 to 15 knots becoming south. Partly to mostly cloudy. Waves 2 feet or less.
Friday
South winds 5 to 15 knots becoming east. Rain likely Friday night. Waves 1 foot or less.
Saturday
Northeast winds 5 to 15 knots becoming west 15 to 20 knots. Rain during the day, then rain and snow showers likely Saturday night. Waves 2 feet or less building to 3 to 5 feet. Waves occasionally around 6 feet.
Sunday
West winds to 30 knots diminishing to 15 to 25 knots. Snow showers likely during the day, then a chance of snow showers Sunday night. Waves 5 to 9 feet subsiding to 3 to 6 feet. Waves occasionally around 11 feet.

Watches & Warnings

Small Craft Advisory
Issued: 8:21 AM EST Dec. 11, 2019 – National Weather Service

... Small Craft Advisory remains in effect until 7 am EST
Thursday...

* what... west to 30 knots and waves 9 to 12 feet.

* Where... the nearshore waters of Lake Ontario from the Niagara
River to Hamlin beach.

* When... until 7 am EST Thursday.

* Impacts... winds and/or waves will cause hazardous conditions
that could capsize or damage small craft.

Precautionary/preparedness actions...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.





Marine Weather

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Lake Ontario

St. Lawrence River

Canadian portions of the Great Lakes

Marine & Boating Location Search

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Coastal Water Temperatures

Place Temperature
No Stations Reporting

Open Sea Buoy Information

Place ID Sea Temp Wave Height
NW Lake Ontario Ajax 45159 39 °F 0.33 ft
West Lake Ontario Grimsby 45139 43 °F 0.66 ft
Port Colborne 45142 45 °F 4.92 ft
EAST Lake Ontario 20NM North Northeast of Rochester, NY 45012 42 °F
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Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Dunkirk, NY DBLN6
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