Marine Weather for LS 248

Active Advisory: (US Severe Weather)
Forecast as of 4:25 PM EDT on October 21, 2017
Small Craft Advisory in effect through Sunday morning
Huron Islands To Marquette Mi-
Late This Afternoon
South wind 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet.
South wind 10 to 20 knots with gusts up to 28 knots. Partly cloudy. A slight chance of showers and thunderstorms late. Waves subsiding to 2 to 3 feet.
Southwest wind 15 to 20 knots veering west 5 to 15 knots in the afternoon. Showers through mid afternoon. A slight chance of thunderstorms in the afternoon, then a chance of showers late. Waves subsiding to 1 to 2 feet.
Sunday Night
Southwest wind 5 to 15 knots. Mostly clear. A slight chance of showers through midnight. Waves 1 to 2 feet.
South wind less than 10 knots veering southwest by mid afternoon. Gusts up to 17 knots. Mostly cloudy. Waves calm to 1 foot.

Watches & Warnings

Small Craft Advisory
Issued: 4:01 PM EDT Oct. 21, 2017 – National Weather Service

... Small Craft Advisory now in effect until 9 am EDT Sunday...

The Small Craft Advisory is now in effect until 9 am EDT Sunday.

* Wind and waves during the small craft advisory: expect
sustained winds of up to 21 knots from the south... with gusts
up to 28 knots. The largest expected significant waves will be
4 feet with a maximum wave height of up to 6 feet possible.

* Timing... the maximum winds are expected around 8 PM EDT
Saturday with the largest waves expected around 7 PM EDT

Please see the latest marine forecasts for more detailed

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

Locus Calor
No Stations Reporting

Open Sea Buoy Information

Place ID Sea Temp Wave Height
Portage Canal 45023 55 °F 1.31 ft
EAST SUPERIOR NM NE Marquette, MI 45004
3.61 ft
MID SUPERIOR 60NM North Northeast Hancock, MI 45001 52 °F 3.94 ft
NORTH MICHIGAN Halfway between North Manitou and Washington Islands 45002 58 °F 5.91 ft
Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Stannard Rock, MI STDM4
Passage Island, MI PILM4