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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 17 May 2021

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 to 30 knots diminishing to northwest 15 to 20 late overnight then increasing to northwest 20 to 25 late Tuesday afternoon.

Showers with a risk of thunderstorms.

Extended Forecast

Issued 04:00 PM PDT 17 May 2021
Wednesday Wind northwest 15 knots increasing to northwest 25 in the afternoon.
Thursday Wind northwest 15 knots increasing to northwest 25 late in the day.
Friday Wind northwest 15 knots increasing to northwest 25 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
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 17 May 2021

'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 17 May 2021 Tonight and Tuesday At 9:30 p.m. PDT tonight trough located on a line north-south over
central Vancouver Island.
By 4:00 a.m. PDT Tuesday departing frontal system located over
southwestern BC interior.

At 9:30 p.m. PDT tonight building ridge located off the offshore
waters.

Marine Weather Statement

Issued 3:39 AM PDT 18 May 2021 Strong to gale force westerlies in Juan de Fuca Strait will ease this
morning as a trough of low pressure moves inland.

An upper low over the South Coast will continue to bring a risk of
thunderstorms today.

Pacific - South Coast Area

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Marine Weather for Canada

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