Marine Weather for LM 671

Active Advisory: (US Severe Weather)
Forecast as of 8:51 PM CDT on September 11, 2019
Severe Thunderstorm Watch 645 in effect until 10 PM CDT this evening
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-
Port Washington WI to Whitehall mi south to Winthrop Harbor IL to South Haven mi...
Rest Of Tonight
North winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of showers and thunderstorms. With damaging winds and large hail through early evening. Waves 2 to 4 ft.
Thursday
Northeast winds 10 to 15 kt becoming east 10 to 20 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft.
Thursday Night
East winds 15 to 25 kt becoming south to 30 kt. Showers and thunderstorms likely in the evening, then showers with thunderstorms likely overnight. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft.
Friday
Southwest winds 15 to 25 kt. Thunderstorms likely with a chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Friday Night
West winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft.
Saturday
West winds 10 to 20 kt becoming southwest 10 to 15 kt. Waves 2 to 4 ft.
Saturday Night
South winds 10 to 20 kt becoming southwest. Waves 1 to 3 ft.
Sunday
Southwest winds 10 to 20 kt becoming south. Chance of showers and thunderstorms. Waves 2 to 4 ft.
Monday
South winds 5 to 10 kt. Waves 1 to 2 ft.

Watches & Warnings

Gale Warning
Issued: 2:59 AM CST Dec. 8, 2019 – National Weather Service

... Gale Warning remains in effect until 2 PM CST this afternoon...

* what... south to southwest winds 20 to 30 kt with gusts up to 40
kt. Waves 8 to 14 feet occasionally to 19 feet, with the highest
waves in the north.

* Where... all of the Lake Michigan open waters.

* When... until 2 PM CST.

* Impacts... strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.

Precautionary/preparedness actions...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe Harbor, alter course, and/or secure the
vessel for severe conditions.





Marine Weather

Marine Weather 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 Location Search

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
SOUTH MICHIGAN 43NM East Southeast of Milwaukee, WI 45007
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Grand Haven Michigan 45011
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Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Sheboygan, WI SGNW3
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