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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PST 18 December 2024

Today Tonight and Thursday.

Gale warning in effect.

Wind light increasing to southeast 10 to 20 knots this afternoon and to southeast 20 to 30 near midnight. Wind increasing to southeast 30 to 40 overnight then diminishing to southeast 20 to 30 Thursday evening.

Showers ending this morning. Rain beginning overnight and changing to showers Thursday morning.

Extended Forecast

Issued 04:00 AM PST 18 December 2024
Friday Wind southeast 20 to 30 knots increasing to southeast 30 to 40 in the afternoon.
Saturday Wind southeast 25 to 35 knots becoming southeast 30 to 40.
Sunday Wind southeast 30 to 40 knots.

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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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 04:00 AM PST 18 December 2024

'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 AM PST 18 December 2024 Today Tonight and Thursday At 4:00 a.m. PST today low 990 mb located 50 miles west of Sandspit.
By 10:00 a.m. PST today dissipating low 1000 mb located over
northern Hecate Strait.

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

At 10:00 p.m. PST tonight frontal system located off the offshore
waters.
By 10:00 a.m. PST Thursday frontal system located on a line
northwest-southeast over Haida Gwaii.

Marine Weather Statement

Issued 3:55 AM PST 18 December 2024 Gale to storm force outflow winds near mainland inlets will
Continue as a ridge of high pressure remains over the interior.

A low crossing from Haida Gwaii into Hecate Strait this morning is
giving gale force winds over northern waters. Winds will gradually
ease this afternoon as the low weakens.

A frontal system will track across the offshore waters tonight and
Thursday. Ahead of the front, gale to storm force southeasterlies
will develop. By Thursday evening the frontal system will lie along
the mainland coast with strong southwesterly winds in its wake.

Pacific - South Coast Area

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Marine Weather for Canada

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