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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 17 December 2024

Tonight and Wednesday.

Wind southeast 10 to 20 knots diminishing to light after midnight then increasing to southeast 10 to 20 Wednesday afternoon.

Rain changing to showers overnight and ending Wednesday morning.

Extended Forecast

Issued 04:00 PM PST 17 December 2024
Thursday Wind southeast 30 to 40 knots diminishing to southeast 20 to 30 late in the day.
Friday Wind southeast 20 to 30 knots increasing to southeast 30 to 40.
Saturday Wind southeast 25 to 35 knots becoming southeast 30 to 40.

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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 (Ended)

Gale warning ended

Johnstone Strait

Issued 9:30 PM PST 17 December 2024
Synopsis

Technical Marine Synopsis

Issued 9:30 PM PST 17 December 2024 Tonight and Wednesday At 9:30 p.m. PST tonight low 987 mb located 90 miles southwest
of Langara.
By 10:00 a.m. PST Wednesday dissipating low 1000 mb located over
northern Hecate Strait.

At 9:30 p.m. PST tonight frontal system located from the Central
Coast to Explorer.
By 4:00 a.m. PST Wednesday departing frontal system located over
the Lower Mainland.

At 9:30 p.m. PST tonight ridge located over BC interior.
By 4:00 p.m. PST Wednesday ridge located over northern BC interior.

Marine Weather Statement

Issued 9:26 PM PST 17 December 2024 Gale to storm force outflow winds near mainland inlets will
Continue tonight as a ridge of high pressure remains over
The interior.

A frontal system offshore will move onto the mainland coast
Tonight, with a low crossing Bowie in its wake. Ahead of the front,
gale to local storm force southeasterlies will shift to strong to
local gale force westerlies behind it tonight.

In the wake of the low, gale to local storm force southwesterlies
over the offshore waters will spread across northern waters
Tonight. Winds will gradually ease Wednesday afternoon.

Another frontal system will track across the offshore waters
Wednesday night. Ahead of the front, gale to storm force
southeasterlies will develop over most outer waters Wednesday night.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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