Marine Weather for LM 646

Active Advisory: (US Severe Weather)
Forecast as of 1:05 PM CDT on October 21, 2017
Small Craft Advisory in effect through Sunday afternoon
Wind Point Wi To Winthrop Harbor Il-
Rest Of Today
South wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 3 to 4 feet.
Tonight
South wind 15 to 20 knots becoming 10 to 20 knots late in the evening, then becoming 15 to 20 knots after midnight. Gusts up to 25 knots. Chance of showers and thunderstorms after midnight. Waves 3 to 4 feet building to 3 to 5 feet late in the evening, then subsiding to 3 to 4 feet after midnight.
Sunday
South wind 15 to 20 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots early in the afternoon, then veering northwest late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then showers in the afternoon. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon.
Sunday Night
Northwest wind 5 to 15 knots backing west 5 to 10 knots in the late evening and overnight. Chance of showers through around midnight. Waves around 1 foot.

Watches & Warnings

Small Craft Advisory
Issued: 9:46 AM CDT Oct. 21, 2017 – National Weather Service

... Small Craft Advisory remains in effect until 4 PM CDT Sunday...

* winds: south winds 15 to 25 knots. Occasional gusts to 30 knots
tonight. Winds gradually decreasing Sunday afternoon.

* Waves: building to 4 to 7 feet this afternoon into tonight.
Waves gradually subsiding Sunday afternoon.

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.


Wood
www.Weather.Gov/mkx



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Marine & Boating Location Search

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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 60 °F 4.27 ft
Grand Haven Michigan 45011
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C-MAN Station Information

Place ID Water Temp Wave Height
Sheboygan, WI SGNW3
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