LM 675

Active Advisory: (US Severe Weather)
Forecast as of 8:52 PM CDT on May 21, 2013
Gale watch in effect from late Wednesday night through Thursday evening
Lake Michigan From Michigan City In To St. Joseph Mi 5 Nm
Offshore To Mid Lake-
Lake Michigan From Sheboygan To Port Washington Wi 5 Nm Offshore
To Mid Lake-
Lake Michigan From Port Washington To North Point Light Wi 5 Nm
Offshore To Mid Lake-
Lake Michigan From North Point Light To Wind Point Wi 5 Nm
Offshore To Mid Lake-
Lake Michigan From Wind Point Wi To Winthrop Harbor Il 5 Nm
Offshore To Mid Lake-
Lake Michigan From Winthrop Harbor To Wilmette Harbor Il 5 Nm
Offshore To Mid Lake-
Lake Michigan From Wilmette Harbor Il To Michigan City In 5 Nm
Offshore To Mid Lake-
Lake Michigan From Whitehall To Pentwater Mi 5 Nm Offshore To Mid
Lake-
Lake Michigan From Grand Haven To Whitehall Mi 5 Nm Offshore To
Mid Lake-
Lake Michigan From Holland To Grand Haven Mi 5 Nm Offshore To Mid
Lake-
Lake Michigan From South Haven To Holland Mi 5 Nm Offshore To Mid
Lake-
Lake Michigan From St. Joseph To South Haven Mi 5 Nm Offshore To
Mid Lake-
Sheboygan WI to Pentwater mi south
Rest Of Tonight
South winds 10 to 15 kt. Chance of showers and slight chance of thunderstorms overnight. Waves 1 to 3 ft.
Wednesday
Variable winds 5 to 10 kt becoming north late in the afternoon. Showers and thunderstorms likely. Waves 1 to 2 ft.
Wednesday Night
North winds 5 to 10 kt becoming northwest gales to 35 kt late. Showers likely. Waves 1 to 2 ft building to 3 to 5 ft occasionally to 8 ft late.
Thursday
North gales to 35 kt. Chance of showers. Waves 7 to 10 ft occasionally to 14 ft building to 10 to 14 ft occasionally to 18 ft.
Thursday Night
North winds to 30 kt. Waves 8 to 11 ft occasionally to 15 ft subsiding to 6 to 9 ft occasionally to 13 ft.
Friday
North winds 10 to 20 kt. Waves 5 to 8 ft occasionally to 12 ft subsiding to 3 to 5 ft occasionally to 8 ft in the afternoon.
Friday Night
Northeast winds 10 to 15 kt becoming east 5 to 10 kt. Waves 1 to 3 ft.
Saturday
East winds 5 to 10 kt. Slight chance of showers. Waves nearly calm.
Sunday
East winds 10 to 15 kt. Slight chance of showers. Waves 1 to 2 ft.
Gale Watch
Statement as of 8:29 PM CDT on May 21, 2013

... Gale watch remains in effect from late Wednesday night through
Thursday evening...

* winds... northwest to north gales to 35 kt.

* Significant waves... 10 to 14 ft.

* Occasional waves... 18 ft.

Precautionary/preparedness actions...

A gale watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased... but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.





Marine Map
Click any area for a Zone forecast. Click the Station ID for station data.
Marine Weather 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.
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Open Sea Buoy Information
Place ID Sea Temp Wave Height
S MICHIGAN 43NM East Southeast of Milwaukee, WI 45007 44 °F 0.66 ft
Grand Haven Michigan 45011
-
-
Click the Station ID for daily observations and history.
C-MAN Station Information
Place ID Water Temp Wave Height
Sheboygan, WI SGNW3 65 °F
-

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