Activities

Marine

Marine Weather for LM 644

Active Advisory: (US Severe Weather)
Forecast as of 9:05 am CST on December 9, 2019
Dense fog advisory in effect until noon CST today
Small Craft Advisory in effect from 4 PM CST this afternoon through late tonight
Port Washington To North Point Light Wi-
Rest Of Today
Southwest wind 5 to 10 knots veering west early in the afternoon, then rising to 10 to 20 knots with gusts to around 25 knots late in the afternoon. Patchy fog late in the morning. Chance of drizzle late in the morning, then drizzle likely in the afternoon. Waves 1 to 2 feet.
Tonight
Northwest wind 15 to 25 knots becoming 15 to 20 knots early in the morning. Gusts up to 30 knots. Slight chance of drizzle, light freezing drizzle and snow through around midnight. Waves 3 to 4 feet.
Tuesday
Northwest wind 15 to 20 knots backing west late in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.
Tuesday Night
West wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then rising to 15 to 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. Wave heights are for ice free areas.

Watches & Warnings

Marine Fog Advisory, Small Craft Advisory
Issued: 8:49 AM CST Dec. 9, 2019 – National Weather Service 

... Dense fog advisory in effect until noon CST today... 
... Small Craft Advisory remains in effect from 4 PM this
afternoon to 6 am CST Tuesday... 

* what... for the dense fog advisory, dense fog will reduce 
  visibility to less than one mile. For the Small Craft 
  Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt 
  expected.

* Where... Sheboygan to Port Washington WI, Port Washington to 
  North Point light WI, North Point light to Wind Point WI and 
  Wind Point WI to Winthrop Harbor IL.

* When... for the dense fog advisory, until noon CST today. For 
  the Small Craft Advisory, from 4 PM this afternoon to 6 am CST 
  Tuesday.

* Impacts... conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

Precautionary/preparedness actions... 

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and Compass.

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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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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Not for navigation. Do not rely on this data for decisions that can result in harm or damage.