Marine Weather for LS 246

Active Advisory: (US Severe Weather)
Forecast as of 9:41 am EST on November 21, 2017
Gale Warning in effect until 4 PM EST this afternoon
Point Isabelle To Lower Entrance Of Portage Canal Mi-
Lower Entrance Of Portage Canal To Huron Islands Mi Including
Keweenaw And Huron Bays-
Rest Of Today
Northwest wind up to 30 knots with gale force gusts up to 38 knots. Cloudy. Numerous snow showers late in the morning, then scattered snow showers. Waves 3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet occasionally to 7 feet.
Tonight
Northwest wind 15 to 25 knots. Cloudy. Scattered snow showers through midnight, then isolated snow showers late. Waves subsiding to 2 to 3 feet.
Wednesday
West wind 10 to 15 knots backing southwest in the afternoon. Mostly cloudy. A slight chance of snow showers in the morning. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet.
Wednesday Night
Southwest wind 10 to 15 knots with gusts up to 23 knots. Mostly cloudy with a slight chance of snow showers. Waves building to 2 to 3 feet.

Watches & Warnings

Gale Warning
Issued: 4:29 AM EST Nov. 21, 2017 – National Weather Service

... Gale Warning remains in effect until 4 PM EST this afternoon...

The Small Craft Advisory is no longer in effect. A Gale Warning
remains in effect until 4 PM EST this afternoon.

* Wind and waves during the gale warning: expect sustained winds
of up to 31 knots from the west... with gusts up to 37 knots.
The largest expected significant waves will be 7 feet with a
maximum wave height of up to 10 feet possible.

* Timing... the maximum winds are expected around 7 am EST
Tuesday with the largest waves expected around 7 am EST
Tuesday.

Please see the latest marine forecasts for more detailed
information.

Precautionary/preparedness actions...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
Harbor prior to the onset of gale conditions.






Marine Weather

Marine Weather Links

Waters within five nautical miles of shore on Lake Superior

Waters within five nautical miles of shore

Waters beyond five nautical miles of shore on Lake Superior

Waters within five nautical miles of shore on lakes Huron... Michigan and Superior

Waters beyond five nautical miles of shore on Lake Michigan

Lake Huron forecast beyond five nautical miles from shore

Marine & Boating Location Search

Enter a coastal zip code for marine weather.

Coastal Water Temperatures

Place Temperature
No Stations Reporting

Open Sea Buoy Information

Place ID Sea Temp Wave Height
Portage Canal 45023 42 °F 2.30 ft
MID SUPERIOR 60NM North Northeast Hancock, MI 45001 49 °F 1.64 ft
Slate Island 45136 37 °F 0.00 ft
Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Stannard Rock, MI STDM4
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Rock of Ages, MI ROAM4
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Passage Island, MI PILM4
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