Marine Weather for LM 646

Active Advisory: (US Severe Weather)
Forecast as of 11:06 PM CDT on August 25, 2019
Small Craft Advisory in effect through late Monday night
Wind Point Wi To Winthrop Harbor Il-
Rest Of Tonight
Southeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of showers through the night. Waves 3 to 4 feet.
Monday
Southeast wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then becoming southeast 15 to 20 knots in the afternoon. Showers and slight chance of thunderstorms. Waves 3 to 4 feet building to 4 to 6 feet in the afternoon.
Monday Night
South wind 15 to 20 knots veering southwest after midnight, then easing to 10 to 15 knots early in the morning. Showers likely and slight chance of thunderstorms. Waves 4 to 6 feet subsiding to 3 to 4 feet in the late evening and overnight.
Tuesday
West wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then rising to 15 to 20 knots in the afternoon. Partly sunny in the morning then clearing. Waves 1 to 2 feet.

Watches & Warnings

Small Craft Advisory
Issued: 8:57 PM CDT Aug. 25, 2019 – National Weather Service

... Small Craft Advisory remains in effect from 1 am Monday to
1 am CDT Tuesday...

* winds: southeast 15 to 25 knots diminishing by late Monday
night.

* Waves: 2 to 4 feet building to 3 to 5 feet by Monday afternoon
with occasional waves to 6 feet.

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 72 °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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