Marine Weather for LM 646

Active Advisory: (US Severe Weather)
Forecast as of 9:05 am CST on November 21, 2019
Small Craft Advisory in effect through late tonight
Wind Point Wi To Winthrop Harbor Il-
Rest Of Today
South wind 15 to 25 knots becoming southwest 10 to 20 knots early in the afternoon, then veering west 15 to 20 knots late in the afternoon. Gusts up to 30 knots. Chance of rain late in the morning, then slight chance of rain early in the afternoon. Waves 4 to 6 feet.
Tonight
Northwest wind 15 to 20 knots. Gusts up to 30 knots. Cloudy through around midnight then becoming partly cloudy. Waves 3 to 4 feet.
Friday
Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then easing to 5 to 10 knots early in the afternoon becoming northwest 5 to 10 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
Friday Night
West wind 5 to 10 knots. Clear through around midnight then becoming partly cloudy. Waves around 1 foot.

Watches & Warnings

Small Craft Advisory
Issued: 9:11 AM CST Nov. 21, 2019 – National Weather Service

... Small Craft Advisory remains in effect until 6 am CST Friday...

* winds: south winds 15 to 25 knots with gusts to 30 knots this
morning. Winds veering to the northwest 15 to 25 knots with
gusts to 30 knots by early this evening, diminishing late.

* Waves: 5 to 9 feet today, highest toward Sheboygan. Waves
subsiding to 3 to 5 feet this evening, and 1 to 3 feet later
tonight.

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 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 44 °F
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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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