LH 441
Active Advisory: (US Severe Weather)
Forecast as of 3:50 PM EDT on May 23, 2013
Small Craft Advisory in effect through Friday afternoon
Port Austin To Harbor Beach Mi-
Tonight
North winds 10 to 15 knots...increasing to 15 to 20 knots after midnight. Mostly clear. Waves 5 to 7 feet. Maximum wave height around 9 feet.
Friday
North winds 15 to 20 knots...diminishing to 5 to 10 knots. Sunny. Waves 5 to 7 feet. Maximum wave height around 10 feet.
Friday Night
Light and variable winds...becoming northwest 5 to 10 knots after midnight. Clear through midnight...becoming partly cloudy overnight. Waves 2 to 4 feet...subsiding to 1 to 3 feet after midnight.
Saturday
North winds 5 to 10 knots. Mostly sunny. Waves 1 to 3 feet. Maximum wave height around 5 feet. See Lake Huron Open Lakes forecast for days 3 through 5.
Small Craft Advisory
Statement as of 4:01 PM EDT on May 23, 2013

... Small Craft Advisory remains in effect until 6 PM EDT Friday...

A Small Craft Advisory remains in effect until 6 PM EDT Friday.

* Wind and waves: during the Small Craft Advisory... expect
sustained winds up to 27 knots from the north with gusts up
to 30 knots. The largest expected significant waves will be 8
feet with a potential maximum wave height of 11 feet.

* Timing: the maximum winds are expected around 4 PM EDT Thursday
with the largest waves expected around 4 PM EDT Thursday.

Refer to the latest marine forecasts for greater detail.

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 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
Waters within five nautical miles of shore on lakes Huron... Michigan and Superior
Waters within five nautical miles of shore on Lake Michigan
Waters within five nautical miles of shore on Lake Michigan
Waters beyond five nautical miles of shore on Lake Michigan
Waters within five nautical miles of shore on Lake Michigan
Waters within five nautical miles of shore on Lake Michigan
Waters within five nautical miles of shore on Lake Michigan
Lake Huron forecast beyond five nautical miles from shore
Waters within five nautical miles of shore
Surf City NC to South Santee River SC out 20 nm
Waters within five nautical miles of shore on Lake Erie
Waters beyond five nautical miles of shore on Lake Erie
Waters within five nautical miles of shore
Waters beyond five nautical miles of shore on Lake Ontario
Marine & Boating
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Coastal Water Temperatures
Place Temperature
Harbor Beach, MI 53.1 °F
Open Sea Buoy Information
Place ID Sea Temp Wave Height
S HURON 43NM East of Oscoda, MI 45008 41 °F 7.22 ft
Southern Lake Huron 45149 40 °F 7.55 ft
N HURON 37NM Northeast of Alpena, MI 45003 38 °F 2.30 ft
Port Stanley 45132 51 °F 2.95 ft
Click the Station ID for daily observations and history.
C-MAN Station Information
Place ID Water Temp Wave Height
Lake St Clair, MI LSCM4
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NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.