Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 23 May 2018

Tonight and Thursday.

Gale warning in effect.

Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 late overnight then increasing to northwest 25 to 35 late Thursday afternoon.

Fog patches forming near midnight and dissipating late Thursday morning.

Extended Forecast

Issued 04:00 PM PDT 23 May 2018
Friday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 in the afternoon.
Saturday Wind northwest 15 to 25 knots.
Sunday Wind variable 5 to 15 knots becoming northwest 10 to 20.

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Weather Conditions

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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 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)

Gale warning in effect

Johnstone Strait

Issued 9:30 PM PDT 23 May 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 23 May 2018 Tonight and Thursday At 9:30 p.m. PDT tonight quasi-stationary ridge located on a line
northeast-southwest over northern Explorer.

At 5:00 p.m. PDT Thursday approaching trough located over western
Bowie.

Marine Weather Statement

Issued 9:25 PM PDT 23 May 2018 A ridge of high pressure over the offshore waters is spreading strong
northwesterly winds off the west coast of Vancouver Island.
These winds will persist through Thursday.

Over the inner coastal waters, strong to gale force inflow winds are
expected to persist through Thursday morning for Juan de Fuca Strait.
Marginal northwesterly gales are expected through Johnstone Strait
tonight.

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