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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 29 October 2020

Today Tonight and Friday.

Gale warning in effect.

Wind southeast 10 to 20 knots increasing to southeast 20 to 30 this afternoon then becoming southeast 25 to 35 early this evening. Wind becoming northwest 30 to 40 late overnight then diminishing to northwest 20 to 30 early Friday morning. Wind diminishing to northwest 10 to 20 near noon Friday.

Periods of drizzle changing to rain this afternoon and ending Friday morning.

Extended Forecast

Issued 04:00 AM PDT 29 October 2020
Saturday Wind light increasing to southeast 15 knots in the morning and to southeast 25 in the afternoon.
Sunday Wind southeast 25 knots increasing to southeast 35 late in the day.
Monday Wind southeast 35 to 45 knots diminishing to southeast 25 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
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 10:30 AM PDT 29 October 2020

'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 10:30 AM PDT 29 October 2020 Today Tonight and Friday At 10:30 a.m. PDT today frontal system located on a line east-west
over the Central Coast.
By 4:00 p.m. PDT today frontal system located on a line east-west
over southern Haida Gwaii.

At 4:00 p.m. PDT today intensifying low 990 mb located over
southern Bowie.
By midnight PDT tonight low 990 mb located near McInnes Island.

Marine Weather Statement

Issued 10:19 AM PDT 29 October 2020 A deepening low pressure system will move to lie over Southern Bowie
this afternoon then approach the Central Coast and move onshore near
McInnes Island near midnight.
Ahead of the low, gale to storm force southeasterlies will spread to
central waters and strong to gale force northeasterlies are forecast
over northern waters. Gale to storm force northwest winds will
develop tonight in the wake of the low. A brief period of hurricane
force northwest winds can be expected over Northern Explorer this
evening.

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