Northern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EST 21 November 2017

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 35 knots diminishing to west 30 near noon then veering to northwest 30 early this evening. Wind diminishing to northwest 20 overnight and to northwest 15 Wednesday morning. Wind diminishing to northwest 10 near noon Wednesday then backing to west 10 Wednesday afternoon. Wind increasing to west 15 Wednesday evening.

A few showers beginning this morning changing to chance of flurries tonight and Wednesday.

Waves

Issued 03:00 AM EST 21 November 2017
Today Tonight and Wednesday. Waves 3 to 4 metres subsiding to 2 to 3 this afternoon and to 2 Wednesday morning. Waves subsiding to one near noon Wednesday.

Extended Forecast

Issued 03:00 AM EST 21 November 2017
Thursday Wind southwest 20 knots increasing to southwest 25 in the morning then veering to northwest 25 late in the day.
Friday Wind west 15 knots increasing to southwest 35.
Saturday Wind southwest 35 knots diminishing to northwest 30.

Ice Forecast*

Issued 12:00 PM EST 20 November 2017 Today Tonight and Tuesday Ice free.

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

  

[ Canadian Ice Service ]

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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

Lake Huron

Issued 12:00 PM EST 20 November 2017 Today Tonight and Tuesday

Ice Coverage

Ice free.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EST 20 November 2017 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Northern Lake Huron

Issued 03:00 AM EST 21 November 2017

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 21 November 2017 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located on a line north-south over
Maine.
By 3:00 a.m. EST Wednesday ridge located on a line north-south
over Labrador.

At 3:00 a.m. EST today low 986 mb located north of Lake Superior.
By 3:00 a.m. EST Wednesday low 994 mb located over northern Quebec.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southeastern Alberta.
By 3:00 a.m. EST Wednesday ridge located on a line
northwest-southeast over Iowa.

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