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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 18 May 2021

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots becoming northwest 15 to 20 early this morning then increasing to northwest 20 to 25 late this afternoon. Wind diminishing to northwest 15 to 20 near midnight and to northwest 10 to 15 Wednesday morning. Wind increasing to northwest 20 to 25 Wednesday afternoon.

Showers ending Wednesday morning. Risk of thunderstorms today and this evening.

Extended Forecast

Issued 04:00 AM PDT 18 May 2021
Thursday Wind northwest 15 knots increasing to northwest 25 in the afternoon.
Friday Wind northwest 15 knots increasing to northwest 25 late in the day.
Saturday Wind northwest 15 to 20 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 04:00 AM PDT 18 May 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 4:00 AM PDT 18 May 2021 Today Tonight and Wednesday At 4:00 a.m. PDT today departing trough located over southwestern
BC interior.

At 4:00 a.m. PDT today building ridge located off the offshore
waters.
By 4:00 a.m. PDT Wednesday ridge located west of Bowie.

Marine Weather Statement

Issued 3:39 AM PDT 18 May 2021 Strong to gale force westerlies in Juan de Fuca Strait will ease this
morning as a trough of low pressure moves inland.

An upper low over the South Coast will continue to bring a risk of
thunderstorms today.

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