Marine Forecasts for the Great Lakes and St. Lawrence River (On)

Choose a Province or Territory

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* NOTE: Corrected and/or amended bulletins are listed first *

 
FQCN13 CWTO 252230
Marine forecasts for the Canadian portion of the Great Lakes and the
Ontario portion of the St. Lawrence River issued by Environment
Canada at 6:30 p.m. EDT Tuesday 25 July 2017 for tonight and
Wednesday.
The next scheduled forecast will be issued at 3:00 a.m. EDT
Wednesday.

Fog implies visibility less than 1 mile.

Winds are for offshore areas. Nearshore winds may vary considerably
due to shoreline effects.

Note..The strong wind warning program is active from May 01 to
 November 30.

Western Lake Superior.
Strong wind warning in effect.
Wind south 15 knots increasing to south 20 this evening then
 diminishing to southwest 15 late overnight. Wind diminishing to
 northwest 10 Wednesday evening. Chance of showers tonight and
 Wednesday morning with a risk of thunderstorms. Fog patches forming
 near midnight and dissipating near noon Wednesday.

Eastern Lake Superior.
Strong wind warning in effect.
Wind southeast 15 knots increasing to south 20 this evening then
 veering to southwest 20 early Wednesday morning. Wind diminishing to
 west 15 near noon Wednesday then veering to northwest 15 Wednesday
 evening. Chance of showers beginning this evening changing to
 showers late overnight and ending near noon Wednesday. Risk of
 thunderstorms tonight and Wednesday morning. Fog patches forming
 near midnight and dissipating Wednesday evening.

Whitefish Bay.
Wind south 15 to 20 knots becoming south 15 this evening then veering
 to southwest 15 Wednesday morning. Wind diminishing to northwest 10
 Wednesday afternoon then becoming light Wednesday evening. A few
 showers beginning late overnight and ending Wednesday evening with a
 risk of thunderstorms.

Northern Lake Huron.
Strong wind warning in effect.
Wind variable 10 knots increasing to southeast 15 this evening then
 veering to south 15 near midnight. Wind increasing to southwest 20
 early Wednesday morning then diminishing to southwest 15 Wednesday
 evening. Chance of showers Wednesday with a risk of thunderstorms.

Southern Lake Huron.
Wind light becoming south 15 knots near midnight then veering to
 southwest 15 Wednesday evening. Chance of showers Wednesday
 afternoon and evening with a risk of thunderstorms.

Georgian Bay.
Wind light becoming south 15 knots near midnight then veering to
 southwest 15 early Wednesday morning. Chance of showers Wednesday
 afternoon and evening with a risk of thunderstorms.

Lake St. Clair.
Wind light becoming southeast 10 knots this evening then veering to
 south 10 Wednesday morning. Wind veering to southwest 10 Wednesday
 evening.

Western Lake Erie.
Wind light becoming southeast 15 knots this evening then diminishing
 to southwest 10 early Wednesday morning.

Eastern Lake Erie.
Wind light becoming east 10 knots this evening then increasing to
 southeast 15 near midnight. Wind diminishing to southeast 10 early
 Wednesday morning then veering to southwest 10 near noon Wednesday.
 Wind backing to south 10 Wednesday evening.

Western Lake Ontario.
Wind light becoming southeast 10 knots this evening then becoming
 light late overnight. Wind becoming southeast 10 Wednesday afternoon
 then veering to southwest 10 Wednesday evening.

Eastern Lake Ontario.
Wind northeast 15 knots diminishing to light near midnight then
 becoming southeast 15 Wednesday evening.

Kingston to Cornwall.
Wind northeast 10 knots becoming south 10 near midnight then veering
 to southwest 10 near noon Wednesday.

End
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