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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PST 25 January 2020

Today Tonight and Sunday.

Gale warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 30 to 40 overnight then diminishing to southeast 15 to 25 Sunday morning.

Periods of rain.

Extended Forecast

Issued 04:00 AM PST 25 January 2020
Monday Wind southerly 5 to 15 knots.
Tuesday Wind southeast 10 to 20 knots increasing to southeast 25 to 35 late in the day.
Wednesday Wind southeast 25 to 35 knots diminishing to northwest 10 to 20 late in the day.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 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 Sisters Islets Estevan Point Port Alberni Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport 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 04:00 AM PST 25 January 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 4:00 AM PST 25 January 2020 Today Tonight and Sunday At 4:00 a.m. PST today low located west of the offshore waters.
By 10:00 a.m. PST today departing low located northwest of Haida
Gwaii.

At 4:00 p.m. PST today trough located west of the offshore waters.
By 4:00 a.m. PST Sunday departing trough located from Hecate Strait
to Queen Charlotte Sound.

At 4:00 a.m. PST Sunday low located west of Bowie.
By 4:00 p.m. PST Sunday departing low located northwest of Haida
Gwaii.

Marine Weather Statement

Issued 3:50 AM PST 25 January 2020 A low pressure system is passing through the offshore waters
Then through the northern coastal waters this morning. Gale force
southerly winds will prevail over most central and northern waters
ahead of the low. The winds will become strong to gale force
southwesterlies in the wake of the low later this morning.

A trough of low pressure will cross northern and central waters
Saturday night bringing gale force southerly winds to the region.

Another low pressure system will track through the northern waters on
Sunday. Ahead of the low, strong to gale force southerly winds will
develop over most northern waters. Winds will become strong to gale
force westerlies in its wake.

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