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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 16 July 2024

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 10 to 15 knots increasing to northwest 15 to 20 this afternoon and to northwest 20 to 30 early this evening. Wind diminishing to northwest 15 to 20 after midnight and to northwest 10 to 15 early Wednesday morning. Wind increasing to northwest 20 to 30 Wednesday afternoon.

Periods of drizzle overnight and Wednesday morning. Fog patches dissipating near noon. Fog patches forming near midnight and dissipating near noon Wednesday.

Extended Forecast

Issued 04:00 AM PDT 16 July 2024
Thursday Wind northwest 5 to 15 knots becoming variable 5 to 15 in the morning then increasing to northwest 15 to 25 in the afternoon.
Friday Wind northwest 15 to 25 knots diminishing to variable 5 to 15.
Saturday Wind variable 5 to 15 knots increasing to northwest 15 to 20 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 10:30 AM PDT 16 July 2024

'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 10:30 AM PDT 16 July 2024 Today Tonight and Wednesday At 10:30 a.m. PDT today ridge located from Explorer to the Central
Coast.
By 4:00 p.m. PDT Wednesday ridge located on a line north-south
over southeastern Explorer.

At 10:30 a.m. PDT today low located west of the offshore waters.
By 4:00 a.m. PDT Wednesday departing low located over northern
Bowie.

At 4:00 a.m. PDT Wednesday cold front from low located on a line
northeast-southwest over Bowie.
By 4:00 p.m. PDT Wednesday cold front located on a line
northeast-southwest over Haida Gwaii.

Marine Weather Statement

Issued 10:04 AM PDT 16 July 2024 A low pressure system offshore will move into Bowie tonight. Strong
to gale force southeasterly winds will develop ahead of the low,
while strong to gale force northwesterly winds are expected in its
wake during the overnight to early Wednesday morning period.

Late Wednesday afternoon, strong to gale force westerly winds will
develop through Juan de Fuca Strait ahead of the ridge moving into
Southeastern Explorer.

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