LS 141

Active Advisory: (US Severe Weather)
Forecast as of 9:07 PM CDT on May 19, 2013
Small Craft Advisory in effect through Tuesday afternoon
Grand Portage To Grand Marais Mn-
Grand Marais To Taconite Harbor Mn-
Taconite Harbor To Silver Bay Harbor Mn-
Overnight
NE wind 15 to 20 kt. Gusts to 30 kt after midnight. Areas of fog through the night. Thunderstorms late in the evening. Showers through the night. Isolated thunderstorms after midnight. Waves 7 to 9 ft subsiding to 4 to 6 ft late.
Monday
NE wind 15 to 20 kt with gusts to 30 kt increasing to 20 to 25 kt with gusts to 35 kt in the late morning and afternoon. Showers and isolated thunderstorms. Waves 4 to 6 ft building to 6 to 8 ft.
Monday Night
NE wind 20 to 25 kt with gusts to 35 kt decreasing to 15 to 20 kt with gusts to 35 kt in the late evening and overnight. Showers likely and a chance of thunderstorms. Waves 6 to 8 ft subsiding to 5 to 7 ft late.
Tuesday
NE wind 15 to 20 kt with gusts to 30 kt. Showers likely and a chance of thunderstorms. Waves 5 to 7 ft subsiding to 4 to 6 ft late in the afternoon.
Small Craft Advisory
Statement as of 9:12 PM CDT on May 19, 2013

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

* winds... northeast winds of 20 to 30 knots with some gale force
wind gusts to 35 knots will will occur through Tuesday. The
strongest winds will be from the Bayfield peninsula to the
twin ports and north toward Silver Bay.

* Waves/seas... around 6 to 8 feet through Tuesday.

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 Map
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Marine Weather Map
Marine 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
Enter a coastal zip code for marine weather.
Coastal Water Temperatures
Place Temperature
Duluth, MN 46.9 °F
Open Sea Buoy Information
Place ID Sea Temp Wave Height
W SUPERIOR 48NM North of Ironwood, MI 45006 36 °F 5.25 ft
Click the Station ID for daily observations and history.
C-MAN Station Information
Place ID Water Temp Wave Height
Devils Island, WI DISW3
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Rock of Ages, MI ROAM4
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NOT FOR NAVIGATION. DO NOT RELY ON THIS DATA FOR DECISIONS THAT CAN RESULT IN HARM TO ANYONE OR ANYTHING.