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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 PM PST 27 January 2023

Tonight and Saturday.

Gale warning in effect.

Wind northwest 20 to 30 knots diminishing to northwest 10 to 20 early this evening then veering to north 15 to 25 early Saturday morning except northerly outflow 25 to 35 near the mainland inlets Saturday afternoon and evening.

Periods of drizzle and fog patches tonight and Saturday morning.

Extended Forecast

Issued 04:00 PM PST 27 January 2023
Sunday Wind northerly outflow 25 to 35 knots diminishing to southeast 10 to 15 in the morning then becoming variable 5 to 15 in the afternoon.
Monday Wind variable 5 to 15 knots.
Tuesday Wind southeast 10 to 15 knots increasing to southeast 15 to 25 late in the day.

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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
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 4:00 PM PST 27 January 2023

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 PM PST 27 January 2023 Tonight and Saturday At 4:00 p.m. PST today trough located over Vancouver Island.
By 4:00 p.m. PST Saturday departing trough located southwest of
Vancouver Island.

At 4:00 p.m. PST today building ridge located over northeastern
BC interior.
By 4:00 a.m. PST Saturday building ridge located over BC interior.

At 4:00 p.m. PST today quasi-stationary ridge located on a line
north-south over the offshore waters.

Marine Weather Statement

Issued 3:43 PM PST 27 January 2023 A trough over Southern Vancouver Island will slowly move southward.
Meanwhile, a ridge of high pressure will remain offshore. Strong to
gale force northerly winds will prevail between these two features,
over most outer coastal waters and Explorer.

A strong ridge of high pressure will build over the British Columbia
Interior tonight and Saturday. Strong to gale force outflow winds
will develop in the mainland inlets tonight and strengthen to gale to
storm force outflow on Saturday as the ridge builds.

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