Marine Weather for LM 740

Active Advisory: (US Severe Weather)
Forecast as of 9:07 PM CST on January 16, 2020
Small Craft Advisory in effect from Friday afternoon through Friday evening
Gale Warning in effect from Friday evening through late Saturday night
Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Rest Of Tonight
Northwest winds around 10 kt becoming east 10 to 15 kt toward daybreak. Mostly cloudy. Waves 1 to 3 ft.
Friday
Southeast winds 10 to 20 kt increasing to 30 kt in the afternoon. Snow developing late in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft in the afternoon.
Friday Night
Southeast gales to 35 kt. Snow in the evening changing to a wintry mix overnight. Waves 8 to 11 ft occasionally to 14 ft.
Saturday
South winds to 30 kt becoming west gales to 45 kt in the morning. Rain in the morning, then slight chance of drizzle and snow showers in the afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft in the afternoon.

Watches & Warnings

Special Weather Statement
Issued: 3:19 AM CST Jan. 17, 2020 – National Weather Service

... Small Craft Advisory remains in effect from noon today to 8 PM
CST this evening...
... Gale Warning remains in effect from 8 PM this evening to 3 am
CST Sunday...

* winds... southeast to 30 kt Friday afternoon. Southeast gales to
35 kt Friday night. West gales to 45 kt Saturday and to 35 kt
Saturday night.

* Significant waves... to 6 ft Friday, to 11 ft Friday night, and
to 8 ft on Saturday.

* Occasional waves... to 8 ft Friday, to 14 ft Friday night, and to
10 ft on Saturday.

Precautionary/preparedness actions...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
Harbor prior to the onset of gale conditions.

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
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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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