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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 12 July 2025

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots increasing to northwest 20 to 30 this afternoon then diminishing to northwest 15 to 20 late overnight. Wind increasing to northwest 20 to 25 Sunday morning and to northwest 30 Sunday evening.

Periods of drizzle overnight and Sunday morning. Fog patches dissipating late this morning. Fog patches forming after midnight and dissipating Sunday morning.

Extended Forecast

Issued 04:00 AM PDT 12 July 2025
Monday Wind northwest 20 to 30 knots.
Tuesday Wind northwest 15 to 25 knots.
Wednesday Wind northwest 15 to 25 knots becoming northwest 20 to 30.

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Map of Pacific - South Coast marine weather areas Vancouver Harbour Sechelt East Dellwood - 46207 Squamish Airport Powell River Airport Sand Heads Lightstation Discovery Island Georgia Strait - 46303 Vancouver Int'l Airport Cape St.James Tsawwassen Ferry Terminal English Bay – 46304 Point Atkinson Herbert Island Bella Bella Airport West Vancouver Bella Coola Airport Cathedral Point Campbell River Airport South Nomad - 46036 Malahat Sentry Shoal - 46131 Race Rocks Lightstation Kelp Reefs Esquimalt Harbour Saturna Island South Brooks - 46132 Sheringham Point University of Victoria Halibut Bank - 46146 Victoria Gonzales Victoria Int'l Airport Ballenas Islands South Moresby - 46147 Estevan Point Howe Sound - Pam Rocks Grief Point La Perouse Bank - 46206 Tofino Airport Solander Island Sartine Island Port Alberni West Sea Otter - 46204 Comox Airport Sisters Islets Port Hardy Airport South Hecate Strait - 46185 Nanaimo Airport Fanny Island Entrance Island
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 12 July 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 4:00 AM PDT 12 July 2025 Today Tonight and Sunday At 4:00 a.m. PDT today ridge located from the Alaska panhandle
to Explorer.
By 4:00 p.m. PDT today ridge located from the North Coast to
Explorer.

At 4:00 a.m. PDT today frontal system located over western Bowie.
By 4:00 p.m. PDT today frontal system located over Haida Gwaii.

Marine Weather Statement

Issued 3:54 AM PDT 12 July 2025 A frontal system is approaching the northern waters today. Marginal
southerly gales may briefly develop through Northern Hecate Strait
and Dixon Entrance East this afternoon.

A ridge of high pressure will strengthen again on Sunday afternoon.
Northwesterly gales will develop over West Vancouver Island. Westerly
gales will develop over Central and Eastern Juan de Fuca Strait.

Pacific - South Coast Area

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Marine Weather for Canada

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