Marine Weather for LM 646

Active Advisory: (US Severe Weather)
Forecast as of 3:06 am CDT on September 20, 2018
Small Craft Advisory in effect from this evening through Saturday morning
Wind Point Wi To Winthrop Harbor Il-
Early This Morning
East wind 5 to 10 knots. Cloudy with a 50 percent chance of showers and thunderstorms. Waves 1 to 3 feet.
Today
Southeast wind 10 to 15 knots becoming southeast 10 to 15 knots with gusts to around 20 knots in the late morning and early afternoon, then becoming south 15 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of showers and thunderstorms in the morning. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.
Tonight
South wind 15 to 20 knots becoming 15 to 25 knots late in the evening, then veering southwest after midnight becoming southwest 15 to 25 knots early in the morning. Gusts up to 30 knots. Slight chance of showers and thunderstorms after midnight. Waves 3 to 4 feet building to 3 to 5 feet in the late evening and early morning, then subsiding to 3 to 4 feet early in the morning.
Friday
Southwest wind 15 to 25 knots veering northwest late in the afternoon. Gusts up to 30 knots. Partly sunny. Waves 2 to 4 feet.
Friday Night
Northwest wind 15 to 20 knots with gusts to around 25 knots veering north late in the evening, then becoming north 15 to 20 knots after midnight easing to 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 3 to 4 feet building to 4 to 6 feet.

Watches & Warnings

Small Craft Advisory
Issued: 3:08 AM CDT Sep. 20, 2018 – National Weather Service

... Small Craft Advisory in effect from 7 PM this evening to 7 am
CDT Saturday...

The National Weather Service in Milwaukee/Sullivan has issued a
Small Craft Advisory... which is in effect from 7 PM this evening
to 7 am CDT Saturday.

* Winds: south 15 to 25 knots this evening, veering southwest
with gusts up to 30 knots after midnight. Friday morning, west
wind 15 to 25 knots with gusts up to 30 knots veering northwest
late in the afternoon. Winds veering north 15 to 20 knots Friday
night.

* Waves: building to 4 to 6 feet by late evening, then subsiding
to 3 to 4 feet Friday morning, then building to 4 to 6 feet
Friday night.


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.


Cronce

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 71 °F 1.31 ft
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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