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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 19 October 2019

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 5 to 15 knots becoming southeast 5 to 15 this evening then increasing to southeast 15 to 25 late overnight. Wind increasing to southeast 25 to 35 early Sunday morning then diminishing to southeast 15 to 25 near noon Sunday. Wind diminishing to southeast 10 to 15 Sunday afternoon.

Showers with a risk of thunderstorms today changing to rain overnight.

Extended Forecast

Issued 04:00 AM PDT 19 October 2019
Monday Wind southeast 25 to 35 knots diminishing to northwest 15 to 25 late in the day.
Tuesday Wind northwest 10 to 20 knots diminishing to light.
Wednesday Wind variable 5 to 15 knots.

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Map of Pacific - South Coast marine weather areas South Nomad - 46036 Sentry Shoal - 46131 South Brooks - 46132 Halibut Bank - 46146 South Moresby - 46147 South Hecate Strait - 46185 West Sea Otter - 46204 La Perouse Bank - 46206 East Dellwood - 46207 Discovery Island Esquimalt Harbour Kelp Reefs Malahat Race Rocks Lightstation Saturna Island Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands Campbell River Airport Comox Airport Entrance Island Fanny Island Nanaimo Airport Port Hardy Airport Sisters Islets Estevan Point Port Alberni Sartine Island Solander Island Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island Point Atkinson Sand Heads Lightstation Tsawwassen Ferry Terminal Vancouver Int'l Airport Vancouver Harbour West Vancouver
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 10:30 AM PDT 19 October 2019

'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 10:30 AM PDT 19 October 2019 Today Tonight and Sunday At 10:30 a.m. PDT today departing trough located from the Gulf of
Alaska to the South Coast.

At 4:00 p.m. PDT today frontal system located west of the offshore
waters.
By 10:30 a.m. PDT Sunday frontal system located from the North
Coast to Vancouver Island.

At 4:00 a.m. PDT Sunday low located over northern Bowie.
By 4:00 p.m. PDT Sunday low located over Haida Gwaii.

Marine Weather Statement

Issued 10:25 AM PDT 19 October 2019 A trough extending from the Gulf of Alaska to Vancouver Island will
cross the mainland coast and depart this morning.

Strong to gale force northwesterlies have developed west of the
trough. These winds will weaken gradually through the day to moderate
to strong northwest winds.

Another frontal system will cross the offshore waters this evening
and eventually lie stretched from Hecate Strait to Queen Charlotte
Sound to Southern Explorer by Sunday morning. The front will progress
into the inner South Coast by midday Sunday. Gale force southeast
winds will accompany the front then switch to gale force westerlies
in its wake.

Pacific - South Coast Area

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Marine Weather for Canada

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