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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PST 02 December 2022

Today Tonight and Saturday.

Gale warning in effect.

Wind southeast 25 to 35 knots except northeast 35 near the mainland inlets. Wind becoming southeast 15 to 25 this afternoon except northeast 35 to 45 near the mainland inlets. Wind becoming variable 5 to 15 after midnight except northeast 35 near the mainland inlets. Wind variable 5 to 15 except northeast 35 near the mainland inlets Saturday.

Periods of snow ending near midnight. Visibility as low as 1 mile in snow.

A risk of freezing spray near the mainland inlets this morning.

Temperatures minus 3 rising to plus 2 this evening then falling to minus 4 Saturday morning.

Extended Forecast

Issued 04:00 AM PST 02 December 2022
Sunday Wind northeasterly outflow 30 to 40 knots.
Monday Wind northeasterly outflow 30 to 40 knots diminishing to northeasterly outflow 15 to 25.
Tuesday Wind light becoming northwest 15 knots late in the day.

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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 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)

Gale warning in effect

Johnstone Strait

Issued 04:00 AM PST 02 December 2022

'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 4:00 AM PST 2 December 2022 Today Tonight and Saturday At 4:00 a.m. PST today quasi-stationary ridge located over BC
interior.

At 4:00 a.m. PST today trough from 996 mb low located over
northwestern Explorer.
By 4:00 p.m. PST today departing low 998 mb located over
southwestern Explorer.

Marine Weather Statement

Issued 3:14 AM PST 2 December 2022 A 996 MB low over Northwest Explorer this morning will move southward
today and exit Southwest Explorer early this evening. An Arctic
Ridge of high pressure will remain over the BC Interior creating
Gale force northeasterly outflow winds through the mainland inlets
except up to storm force over the Central Coast later today and
tonight.

Over northern offshore waters, strong to gale force northeast winds
will ease to strong this evening. Over central waters, gale force
southeast winds will back to northeast this afternoon then ease to
strong by Saturday morning. Over southern waters, winds will rise to
gale to storm force southeast this morning then ease to strong by
Saturday morning. However, winds will remain below gale force over
the Strait of Georgia.

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