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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 09 July 2025

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 10 to 15 knots increasing to northwest 15 to 25 near noon then diminishing to northwest 5 to 10 after midnight. Wind increasing to northwest 15 Thursday afternoon.

Extended Forecast

Issued 04:00 AM PDT 09 July 2025
Friday Wind northwest 10 knots increasing to northwest 15 to 25 in the afternoon.
Saturday Wind northwest 10 to 20 knots increasing to northwest 25 late in the day.
Sunday Wind northwest 10 to 20 knots increasing to northwest 25 late in the day.

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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 10:30 AM PDT 09 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 10:30 AM PDT 9 July 2025 Today Tonight and Thursday At 10:30 a.m. PDT today dissipating ridge located on a line
north-south over northwestern Explorer.

At 10:30 a.m. PDT today trough located west of the offshore waters.
By 9:30 p.m. PDT tonight trough located on a line
northwest-southeast over the offshore waters.

At 10:30 a.m. PDT Thursday quasi-stationary ridge located on a
line north-south over Explorer.

At 10:30 a.m. PDT Thursday frontal system located over northern
Bowie.
By 4:00 p.m. PDT Thursday frontal system located on a line
northeast-southwest over northern Haida Gwaii.

Marine Weather Statement

Issued 10:14 AM PDT 9 July 2025 A ridge of high pressure remains over the offshore waters today.
Westerly winds through central and eastern sections of Juan de Fuca
strait will rise to marginal gales early this evening as the ridge
approaches. These winds will weaken on Thursday morning.

A frontal system is approaching the North Coast on Thursday. This
will bring southeasterly gales to the nortern waters.

Pacific - South Coast Area

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Marine Weather for Canada

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