LS 250
Active Advisory: (US Severe Weather)
Forecast as of 9:59 PM EDT on May 22, 2013
Small Craft Advisory in effect from 2 am EDT Thursday through late Thursday night
Marquette To Munising Mi-
Munising To Grand Marais Mi-
Rest Of Tonight
Northeast winds 15 to 20 knots increasing to 15 to 25 knots after midnight. Showers ending by midnight...then decreasing clouds. Waves 2 to 4 feet building to 6 to 9 feet.
Thursday
North winds 20 to 25 knots backing northwest 15 to 20 knots by mid afternoon. Sunny. Waves subsiding to 4 to 7 feet.
Thursday Night
Northwest winds 10 to 20 knots. Clear. Waves subsiding to 1 to 3 feet.
Friday
Northwest winds less than 10 knots veering northeast by mid afternoon. Mostly sunny. Waves subsiding to calm to 2 feet. The water temperature at the Marquette water Intake at 8 am Wednesday was 41 degrees.
Small Craft Advisory
Statement as of 9:49 PM EDT on May 22, 2013

... Small Craft Advisory remains in effect from 2 am Thursday to
2 am EDT Friday...

A Small Craft Advisory remains in effect from 2 am Thursday to
2 am EDT Friday.

* Wind and waves during the small craft advisory: expect
sustained winds of up to 25 knots from the northeast... with
gusts up to 27 knots. The largest expected significant waves
will be 9 feet with a maximum wave height of up to 14 feet
possible.

* Timing: the maximum winds are expected around 3 am EDT
Thursday with the largest waves expected around 8 am EDT
Thursday.

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
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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
Port Inland, MI 54.0 °F
Open Sea Buoy Information
Place ID Sea Temp Wave Height
78NM Northeast of Marquette, MI 45004 37 °F 5.25 ft
N MICHIGAN Halfway between North Manitou and Washington Islands 45002 38 °F 0.98 ft
Little Traverse Bay, MI 45022 41 °F
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Traverse Bay MI 45021
-
 0.00 ft
MID SUPERIOR 60NM North Northeast Hancock, MI 45001 36 °F 3.94 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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-

NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.