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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 19 August 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 20 to 30 knots diminishing to northwest 15 to 20 early this morning then increasing to northwest 20 to 30 late this afternoon. Wind diminishing to northwest 15 to 20 near midnight then increasing to northwest 20 to 30 Thursday afternoon.

Fog banks dissipating this morning. Fog banks forming overnight and dissipating Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 19 August 2026
Friday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 in the afternoon.
Saturday Wind light increasing to northwest 10 to 20 knots.
Sunday Wind northwest 10 to 20 knots diminishing to light.

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Map of Pacific - Georgia Basin marine weather areas Discovery Island La Perouse Bank - 46206 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 English Bay – 46304 Powell River Airport Entrance Island Fanny Island Vancouver Int'l Airport Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Comox Airport Howe Sound - Pam Rocks Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Saturna Island West Vancouver Esquimalt Harbour Kelp Reefs Race Rocks Lightstation Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Vancouver Harbour Ballenas Islands Campbell River Airport
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buoy Buoy
land station Land Station
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 19 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 19 August 2026 Today Tonight and Thursday At 4:00 a.m. PDT today quasi-stationary ridge located on a line
northeast-southwest over Bowie.

Marine Weather Statement

Issued 3:35 AM PDT 19 August 2026 Ahead of a ridge of high pressure, gale force northwesterlies will
develop this afternoon over west coast Vancouver Island and
Then ease Thursday morning.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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