Marine Weather for LO 045

Active Advisory: (US Severe Weather)
Forecast as of 6:21 PM EST on December 9, 2019
Small Craft Advisory in effect from 4 am EST Tuesday through Tuesday evening
Gale watch in effect from Wednesday morning through Wednesday evening
Mexico Bay To The Saint Lawrence River Along Lake Ontario-
Tonight
South winds 15 to 25 knots becoming southwest. Showers. Waves 3 to 5 feet. Waves occasionally around 6 feet.
Tuesday
Southwest winds to 30 knots becoming west 15 to 25 knots. A chance of rain showers in the morning, then a chance of rain and snow showers in the afternoon. Waves 4 to 7 feet building to 5 to 9 feet. Waves occasionally around 11 feet.
Tuesday Night
Northwest winds 15 to 20 knots becoming east and diminishing to less than 10 knots overnight. A chance of snow showers. Waves 4 to 7 feet subsiding to 2 feet or less. Waves occasionally around 9 feet.
Wednesday
South winds 15 to 25 knots becoming west and increasing to 35 knot gales in the afternoon. A chance of snow showers in the morning, then lake effect snow showers in the afternoon. Waves 2 feet or less building to 4 to 7 feet. Waves occasionally around 9 feet.
Wednesday Night
West gales to 35 knots becoming northwest and diminishing to 15 to 25 knots overnight. Lake effect snow showers. Waves 6 to 10 feet subsiding to 4 to 7 feet. Waves occasionally around 13 feet.
Thursday
Northwest winds 10 to 15 knots becoming south 15 to 20 knots. A chance of snow showers during the day. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet.
Friday
South winds 15 to 20 knots. A chance of rain showers Friday night. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Saturday
South winds 5 to 15 knots becoming southwest. Rain showers likely. Waves 2 feet or less building to 2 to 4 feet.

Watches & Warnings

Small Craft Advisory, Gale Watch
Issued: 1:14 PM EST Dec. 9, 2019 – National Weather Service

... Small Craft Advisory remains in effect from 4 am to 10 PM EST
Tuesday...
... Gale watch in effect from Wednesday morning through Wednesday
evening...

* what... for the Small Craft Advisory, west to 30 knots and
waves 6 to 9 feet expected. For the gale watch, west to 35
knots and waves 7 to 10 feet possible.

* Where... the nearshore waters of Lake Ontario from Mexico Bay
to the Saint Lawrence River.

* When... for the Small Craft Advisory, from 4 am to 10 PM EST
Tuesday. For the gale watch, from Wednesday morning through
Wednesday evening.

* Impacts... strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.

Precautionary/preparedness actions...

Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe Harbor, alter
course, and/or secure the vessel for severe wind and waves.






Marine Weather

Marine Weather Links

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
Prince Edward Pt 45135 40 °F 0.00 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
Galloo Island, NY
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Thousand I Brdg NY
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Alexandria Bay, NY
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Superior Shoals, NY
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