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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 29 March 2023

Today Tonight and Thursday.

Strong wind warning in effect.

Wind light except northeasterly outflow 25 knots near the mainland inlets early this morning. Wind becoming northwest 15 to 25 late this afternoon then diminishing to northwest 5 to 15 overnight. Wind becoming light Thursday morning then becoming southeast 5 to 15 Thursday afternoon.

Scattered showers Thursday evening. Fog patches forming overnight and dissipating Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 29 March 2023
Friday Wind southeast 5 to 15 knots increasing to southeast 15 to 25 in the morning then diminishing to southeast 5 to 15 late in the day.
Saturday Wind westerly 20 to 30 knots diminishing to variable 10 to 15.
Sunday Wind light.

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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 04:00 AM PDT 29 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 AM PDT 29 March 2023 Today Tonight and Thursday At 4:00 a.m. PDT today dissipating ridge located over BC interior.

At 4:00 a.m. PDT today building ridge located west of the offshore
waters.
By 4:00 a.m. PDT Thursday weakening ridge located on a line
northeast-southwest over Bowie.

At 4:00 p.m. PDT Thursday frontal system located west of Bowie.
By 10:00 p.m. PDT Thursday frontal system located over eastern
Bowie.

Marine Weather Statement

Issued 3:43 AM PDT 29 March 2023 A ridge of high pressure over interior BC dissipates today. Strong to
gale force northerly outflow winds through the mainland inlets from
the Central Coast to Howe Sound gradually ease this morning.

Northerly strong to gale force winds continue across most of the
offshore and outer waters today and tonight ahead of the Pacific
ridge of high pressure. The ridge will move across Bowie and weakens
on Thursday.

Thursday afternoon, a Pacific frontal system approaches Bowie. Strong
to gale force southerly winds will develop ahead of the system.

Pacific - South Coast Area

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Marine Weather for Canada

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