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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 16 September 2021

Today Tonight and Friday.

Gale warning in effect.

Wind southeast 10 to 20 knots becoming southeast 15 to 25 late this evening then increasing to southeast 25 to 35 late overnight. Wind diminishing to southeast 15 to 25 near noon Friday.

Rain tonight and Friday.

Extended Forecast

Issued 04:00 AM PDT 16 September 2021
Saturday Wind southeast 10 to 20 knots.
Sunday Wind variable 5 to 15 knots.
Monday Wind variable 5 to 15 knots increasing to southeast 20 late in the day.

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Map of Pacific - Georgia Basin marine weather areas Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 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 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
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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 10:30 AM PDT 16 September 2021

'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 16 September 2021 Today Tonight and Friday At 10:30 a.m. PDT today ridge located on a line north-south over
Vancouver Island.
By midnight PDT tonight departing ridge located on a line
north-south over Victoria.

At 10:30 a.m. PDT today frontal system located west of the offshore
waters.
By 4:00 a.m. PDT Friday frontal system located from the North
Coast to Vancouver Island.

At 4:00 p.m. PDT Friday frontal system located on a line
northeast-southwest over Vancouver Island.

Marine Weather Statement

Issued 10:25 AM PDT 16 September 2021 An approaching Pacific frontal system west of the offshore waters
will move across Bowie this afternoon and then across northern and
central waters tonight.

Gale force southeast winds over Bowie and Northern Explorer will
Progress to northern and central waters and Southern Explorer this
afternoon, and then to west coast Vancouver Island tonight. Winds
will reach storm force southeast just ahead of the front tonight.

The front will progress into the South Coast Friday morning. Strong
to gale force southeast winds will develop in the region as the front
sweeps across.

Winds are forecast to ease to moderate to strong westerly in the wake
of the front.

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