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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 18 September 2024

Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots diminishing to northwest 5 to 15 late overnight then increasing to northwest 15 to 25 Thursday afternoon.

Fog patches forming near midnight and dissipating near noon Thursday.

Extended Forecast

Issued 04:00 PM PDT 18 September 2024
Friday Wind northwest 15 to 25 knots diminishing to northwest 5 to 15 in the morning.
Saturday Wind southeast 10 to 20 knots.
Sunday Wind southeast 10 to 20 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)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 18 September 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 9:30 PM PDT 18 September 2024 Tonight and Thursday At 9:30 p.m. PDT tonight ridge located on a line northeast-southwest
over northern Explorer.
By 4:00 a.m. PDT Thursday weakening ridge located on a line
northeast-southwest over southern Explorer.

At 9:30 p.m. PDT tonight trough located from Bowie to Haida Gwaii.
By 4:00 a.m. PDT Thursday weakening trough located on a line
northeast-southwest over northern Explorer.

At 4:00 p.m. PDT Thursday building ridge located west of Bowie.
By 9:30 p.m. PDT Thursday ridge located off Bowie.

Marine Weather Statement

Issued 9:10 PM PDT 18 September 2024 A ridge of high pressure building offshore will bring northwest gales
to the waters off Southwest Vancouver island on Thursday evening.

Pacific - South Coast Area

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Marine Weather for Canada

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