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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 16 August 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind northwest 10 to 20 knots becoming northwest 15 to 25 this afternoon then diminishing to northwest 10 to 15 Monday morning. Wind increasing to northwest 15 to 25 Monday afternoon.

Periods of drizzle and fog banks changing to showers near noon and ending this evening with a risk of thunderstorms. Periods of drizzle overnight and Monday morning. Fog banks forming this evening and dissipating near noon Monday.

Extended Forecast

Issued 04:00 AM PDT 16 August 2026
Tuesday Wind northwest 10 to 20 knots becoming northwest 15 to 25 late in the day.
Wednesday Wind northwest 15 to 25 knots becoming northwest 10 to 20.
Thursday Wind light becoming northwest 5 to 15 knots late in the day.

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Map of Pacific - South Coast marine weather areas Cape St.James West Vancouver Victoria Gonzales University of Victoria South Brooks - 46132 Sheringham Point Bella Bella Airport Saturna Island Bella Coola Airport Sentry Shoal - 46131 Race Rocks Lightstation Cathedral Point South Nomad - 46036 Kelp Reefs Herbert Island Esquimalt Harbour Point Atkinson Georgia Strait - 46303 Sand Heads Lightstation Tsawwassen Ferry Terminal English Bay – 46304 Vancouver Int'l Airport Vancouver Harbour Discovery Island Entrance Island Sartine Island Fanny Island Comox Airport Nanaimo Airport South Moresby - 46147 Port Hardy Airport Sisters Islets South Hecate Strait - 46185 Estevan Point Campbell River Airport Port Alberni West Sea Otter - 46204 Halibut Bank - 46146 Solander Island Tofino Airport Ballenas Islands Grief Point La Perouse Bank - 46206 Howe Sound - Pam Rocks Powell River Airport Sechelt East Dellwood - 46207 Squamish Airport Victoria Int'l Airport
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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 16 August 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PDT 16 August 2026 Today Tonight and Monday At 4:00 a.m. PDT today ridge located on a line north-south over
Bowie.
By 10:30 a.m. PDT Monday ridge located from Haida Gwaii to Explorer.

Marine Weather Statement

Issued 9:16 PM PDT 15 August 2026 A ridge of high pressure offshore is producing strong to gale force
westerly winds over eastern sections of Juan de Fuca Strait. The
winds will ease to moderate overnight.

Pacific - South Coast Area

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Marine Weather for Canada

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