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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 21 December 2024

Today Tonight and Sunday.

Storm warning in effect.

Wind southeast 40 knots diminishing to southeast 20 this afternoon then increasing to southeast 35 near midnight. Wind increasing to southeast 40 to 50 Sunday morning then diminishing to southeast 35 Sunday afternoon. Wind diminishing to southeast 25 Sunday evening.

Showers ending this evening. Rain overnight and Sunday.

Extended Forecast

Issued 04:00 AM PST 21 December 2024
Monday Wind southeast 15 knots increasing to southeast 35 in the afternoon.
Tuesday Wind southeast 35 to 45 knots diminishing to southeast 10 to 20.
Wednesday Wind southeast 45 to 55 knots diminishing to southeast 20 late in the day.

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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)

Storm warning in effect

Johnstone Strait

Issued 10:30 AM PST 21 December 2024

'Storm' force winds of 48 to 63 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 PST 21 December 2024 Today Tonight and Sunday At 10:30 a.m. PST today quasi-stationary ridge located over BC
interior.

At 10:30 a.m. PST today frontal system located from Bowie to
Vancouver Island.
By 4:00 p.m. PST today departing frontal system located from Haida
Gwaii to the Central Coast.

At 10:00 p.m. PST tonight frontal system located west of the
offshore waters.
By 10:00 a.m. PST Sunday frontal system located from Haida Gwaii
to Vancouver Island.

Marine Weather Statement

Issued 10:28 AM PST 21 December 2024 A frontal system approaching Haida Gwaii and Northern Vancouver
Island will track northeastward across the marine regions today.
Winds have risen to gale to storm force southeasterlies with
hurricane force southeasterlies near the headlands of Vancouver
Island. The system will reach Haida Gwaii this afternoon with gale to
storm force southwesterlies in its wake.

Another frontal system will approach the offshore waters tonight and
move across the marine regions on Sunday. Storm to hurricane
Force southeasterlies will develop ahead of this system with
southeast gales developing over the inner South Coast. This system
will bring gale force southwesterlies in its wake on Sunday night.

Gale force outflow winds will prevail through the mainland inlets
today as a ridge of high pressure remains over the interior.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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