Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 24 May 2017

Today Tonight and Thursday.

Wind northeast 15 knots diminishing to northeast 10 near noon then becoming light Thursday afternoon.

Chance of showers today and this evening. Fog patches forming late overnight and dissipating Thursday morning.

Waves

Issued 10:30 AM EDT 24 May 2017
Today Tonight and Thursday. Waves one metre subsiding to one half metre this afternoon and to less than one half metre Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 24 May 2017
Friday Wind light.
Saturday Wind south 15 knots.
Sunday Wind west 15 knots.

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Weather Conditions

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Map of Great Lakes - Lake Superior marine weather areas Mid Superior - 45001 East Superior - 45004 West Superior - 45006 Slate Island - 45136 Lake Of the Woods - 45148 Royal Island Armstrong Airport Caribou Island Marathon Airport Pukaskwa National Park Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Kenora Airport
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 24 May 2017 Today Tonight and Thursday At 10:30 a.m. EDT today low 999 mb located over western Kentucky.
By 10:30 a.m. EDT Thursday low 992 mb located over southern Ohio.

At 10:30 a.m. EDT today ridge located from Hudson Bay to South
Dakota.
By 10:30 a.m. EDT Thursday ridge located from James Bay to Lake
Superior.

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