Marine Weather for LS 249

Active Advisory: (US Severe Weather)
Forecast as of 7:12 PM EDT on August 18, 2017
Small Craft Advisory in effect until 2 am EDT Saturday
Marquette To Munising Mi-
Munising To Grand Marais Mi-
Rest Of Tonight
Northwest wind 10 to 20 knots backing west less than 10 knots late. Mostly cloudy through midnight then becoming partly cloudy. Waves 3 to 6 feet occasionally to 8 feet subsiding to 2 to 3 feet.
Saturday
West wind less than 10 knots in the morning becoming variable. Mostly sunny. Waves subsiding to 1 to 2 feet.
Saturday Night
Southwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Sunday
Southwest wind 5 to 15 knots. Mostly sunny. A slight chance of showers and thunderstorms by mid afternoon. Waves calm to 1 foot.

Watches & Warnings

Small Craft Advisory
Issued: 4:18 PM EDT Aug. 18, 2017 – National Weather Service

... Small Craft Advisory remains in effect until 2 am EDT
Saturday...

A Small Craft Advisory remains in effect until 2 am EDT Saturday.

* Wind and waves during the small craft advisory: expect
sustained winds of up to 21 knots from the northwest... with
gusts up to 27 knots. The largest expected significant waves
will be 7 feet with a maximum wave height of up to 10 feet
possible.

* Timing... the maximum winds are expected around 4 PM EDT Friday
with the largest waves expected around 4 PM EDT Friday.

Please see the latest marine forecasts for more detailed
information.

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 on Lake Superior

Waters within five nautical miles of shore

Waters beyond five nautical miles of shore on Lake Superior

Waters within five nautical miles of shore on lakes Huron... Michigan and Superior

Waters beyond five nautical miles of shore on Lake Michigan

Lake Huron forecast beyond five nautical miles from shore

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
EAST SUPERIOR NM NE Marquette, MI 45004 60 °F 2.95 ft
NORTH MICHIGAN Halfway between North Manitou and Washington Islands 45002 67 °F 3.94 ft
Portage Canal 45023 59 °F 1.97 ft
Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Stannard Rock, MI STDM4
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