Marine Weather for LS 241

Active Advisory: (US Severe Weather)
Forecast as of 6:40 PM CST on November 18, 2017/
Small Craft Advisory in effect through Sunday evening
Black River To Ontonagon Mi-
Rest Of Tonight
Northwest wind 15 to 25 knots. Cloudy with scattered snow showers. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet.
Sunday
West wind 15 to 20 knots. Gusts up to 27 knots. Cloudy. Scattered snow showers early, then isolated snow showers through early afternoon. Scattered snow showers by mid afternoon. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
Sunday Night
West wind 10 to 20 knots backing southwest less than 10 knots after midnight. Mostly cloudy with a chance of snow showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Waves subsiding to 1 to 2 feet.
Monday
South wind 5 to 15 knots with gusts up to 22 knots. Mostly sunny. Waves calm to 1 foot.

Watches & Warnings

Small Craft Advisory
Issued: 3:08 PM CST Nov. 18, 2017 – National Weather Service

... Small Craft Advisory remains in effect until 7 PM EST /6 PM
CST/ Sunday...

A Small Craft Advisory remains in effect until 7 PM EST /6 PM
CST/ Sunday.

* Wind and waves during the small craft advisory: expect
sustained winds of up to 21 knots from the northwest... with
gusts up to 28 knots. The largest expected significant waves
will be 6 feet with a maximum wave height of up to 9 feet
possible.

* Timing... the maximum winds are expected around 7 PM EST
Saturday with the largest waves expected around 12 am EST
Sunday.

Please see the latest marine forecasts for more detailed
information.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners... especially those operating smaller
vessels should avoid navigating in these conditions.





Marine Weather

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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
WEST SUPERIOR 30NM NE of Outer Island, WI 45006 41 °F 0.33 ft
Portage Canal 45023 42 °F 2.30 ft
Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Devils Island, WI DISW3
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Rock of Ages, MI ROAM4
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Passage Island, MI PILM4
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