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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 27 March 2023

Tonight and Tuesday.

Strong wind warning in effect.

Wind light becoming northwest 10 to 15 knots early this evening then becoming northwest 5 to 15 near midnight except northeasterly outflow 20 near the mainland inlets. Wind northwest 5 to 15 except northeasterly outflow 20 near the mainland inlets Tuesday.

Extended Forecast

Issued 04:00 PM PDT 27 March 2023
Wednesday Wind northeasterly outflow 15 knots diminishing to light in the morning then increasing to northwest 15 to 25 late in the day.
Thursday Wind variable 5 to 15 knots.
Friday Wind light increasing to southeast 20 knots late in the day.

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Map of Pacific - South Coast marine weather areas South Nomad - 46036 Sentry Shoal - 46131 South Brooks - 46132 Halibut Bank - 46146 South Moresby - 46147 South Hecate Strait - 46185 West Sea Otter - 46204 La Perouse Bank - 46206 East Dellwood - 46207 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 Port Hardy Airport Sisters Islets Estevan Point Port Alberni Sartine Island Solander Island Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island 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)

Strong wind warning in effect

Johnstone Strait

Issued 4:00 PM PDT 27 March 2023

'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 PM PDT 27 March 2023 Tonight and Tuesday At 4:00 p.m. PDT today frontal system located southwest of Explorer.
By 4:00 a.m. PDT Tuesday departing frontal system located off
Oregon Coast.

At 4:00 p.m. PDT today building ridge located over BC interior.

At 4:00 p.m. PDT today building ridge located over the Gulf
of Alaska.

Marine Weather Statement

Issued 3:41 PM PDT 27 March 2023 A frontal system off Explorer will move southeastward towards the
Oregon coast tonight. A ridge of high pressure will build over the
Gulf of Alaska in its wake. Meanwhile another ridge of high pressure
will build over the BC Interior tonight and Tuesday.

Easterly gales over Explorer will spread to the southwestern sections
of West Coast Vancouver Island South tonight. These winds will ease
Tuesday morning as the system departs.

Outflow gales will develop over Howe Sound and Central Coast tonight
as the interior ridge builds. On Tuesday, northerly gales will
develop over west coast Haida Gwaii as a ridge strengthens offshore.

Pacific - South Coast Area

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