LS 241
Active Advisory: (US Severe Weather)
Forecast as of 9:59 am CDT on May 21, 2013/
Small Craft Advisory in effect through Wednesday morning
Saxon Harbor Wi To Black River Mi-
Black River To Ontonagon Mi-
Rest Of Today
Northeast winds 10 to 20 knots. Areas of fog. Scattered rain showers and isolated thunderstorms. Waves 4 to 7 feet.
Tonight
Northeast winds 10 to 20 knots. Patchy fog. A slight chance of thunderstorms through midnight. A chance of rain showers. Waves subsiding to 3 to 5 feet.
Wednesday
Northeast winds 5 to 15 knots. Patchy fog through early afternoon. A chance of rain showers. Waves subsiding to 1 to 3 feet.
Wednesday Night
Northeast winds 5 to 15 knots. Partly cloudy through midnight then decreasing clouds. Waves building to 3 to 5 feet.
Small Craft Advisory
Statement as of 3:48 PM CDT on May 21, 2013

... Small Craft Advisory now in effect until 6 PM EDT /5 PM CDT/
Wednesday...

The Small Craft Advisory is now in effect until 6 PM EDT /5 PM
CDT/ Wednesday.

* Wind and waves during the small craft advisory: expect
sustained winds of up to 20 knots from the northeast... with
gusts up to 22 knots. The largest expected significant waves
will be 7 feet with a maximum wave height of up to 11 feet
possible.

* Timing: the maximum winds are expected around 7 PM EDT Tuesday
with the largest waves expected around 9 PM EDT Tuesday.

Please see the latest marine forecasts for more detailed
information.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 22 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 Map
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Buoys / Water Temps Wave Heights
Marine Weather Map
Global Marine Zone Map
Marine 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
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Coastal Water Temperatures
Place Temperature
No Stations Reporting
Open Sea Buoy Information
Place ID Sea Temp Wave Height
W SUPERIOR 48NM North of Ironwood, MI 45006 35 °F 10.17 ft
Portage Canal 45023 56 °F 18.04 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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NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.