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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 18 June 2021

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 20 to 30 knots diminishing to northwest 5 to 15 late overnight. Wind northwest 5 to 15 Saturday.

Rain overnight and Saturday morning.

Extended Forecast

Issued 04:00 AM PDT 18 June 2021
Sunday Wind northwest 5 to 15 knots increasing to northwest 15 to 25 in the afternoon.
Monday Wind northwest 15 to 25 knots increasing to northwest 30 to 40.
Tuesday Wind northwest 15 to 25 knots increasing to northwest 25 to 35.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Georgia Strait - 46303 English Bay - 46304 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 Sisters Islets Estevan Point Port Alberni Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport 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)

Strong wind warning in effect

Johnstone Strait

Issued 10:30 AM PDT 18 June 2021

'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 18 June 2021 Today Tonight and Saturday At 10:30 a.m. PDT today ridge located on a line north-south over
Explorer.
By 2:00 p.m. PDT Saturday ridge located on a line
northeast-southwest over southern Explorer.

At 5:00 p.m. PDT today trough located on a line northwest-southeast
over Bowie.
By 2:00 p.m. PDT Saturday weakening trough located on a line
east-west over northern Bowie.

Marine Weather Statement

Issued 10:24 AM PDT 18 June 2021 Gale force westerlies will develop across Central and Eastern Juan de
Fuca Strait late this afternoon due to a combination of daytime
heating and a building ridge offshore.

Winds will ease to strong westerlies early Saturday morning then rise
to gale force westerlies late Saturday afternoon.

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