LM 521
Active Advisory: (US Severe Weather)
Forecast as of 9:35 PM CDT on May 22, 2013
Small Craft Advisory in effect through Thursday evening
The Bay Of Green Bay South Of Line From Cedar River Mi To Rock
Island Passage-Lake Michigan From Washington Island To Sheboygan-
Overnight
N wind to 30 kts. Waves 2 to 4 ft building to 4 to 7 ft after midnight. Patchy fog early in the evening. Showers likely.
Thursday
N wind to 30 kts. Waves 4 to 7 ft. A chance of showers in the morning.
Thursday Night
N wind 10 to 20 kts. Waves 3 to 5 ft. Clear.
Friday
NE wind 5 to 10 kts veering se early in the afternoon. Waves easing to 1 to 2 ft. Mostly sunny.
Small Craft Advisory
Statement as of 9:39 PM CDT on May 22, 2013

... Small Craft Advisory remains in effect until 9 PM CDT
Thursday...

* northeast winds will be on the increase. Sustained northeast to
north winds to 30 knots are expected late tonight and Thursday.

* Waves will build to 4 to 7 feet by late tonight... and continue
at 4 to 7 feet through much of Thursday.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds over 20 knots or
waves greater than 4 feet are expected to produce hazardous
conditions to small craft. Inexperienced mariners... especially
those operating smaller vessels should avoid navigating in these
conditions.

Fog can pose a significant hazard to boaters. Visibilities as low
as a few hundred feet are expected this morning. Inexperienced
mariners... especially those operating smaller vessels should
avoid navigating in these conditions.





Marine Map
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Buoys / Water Temps Wave Heights

Animate 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
Enter a coastal zip code for marine weather.
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Coastal Water Temperatures
Place Temperature
Menominee, MI 62.1 °F
Open Sea Buoy Information
Place ID Sea Temp Wave Height
N MICHIGAN Halfway between North Manitou and Washington Islands 45002 38 °F 1.64 ft
Grand Traverse Bay Observing System Station 45020
-
 4.27 ft
Click the Station ID for daily observations and history.
C-MAN Station Information
Place ID Water Temp Wave Height
Sheboygan, WI SGNW3 56 °F
-

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