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Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 13 October 2019

Tonight and Monday.

Gale warning in effect.

Wind northwest 15 to 25 knots diminishing to light near midnight then increasing to southeast 5 to 15 early Monday morning. Wind increasing to southeast 15 to 25 late Monday morning and to southeast 25 to 35 Monday evening.

Extended Forecast

Issued 04:00 PM PDT 13 October 2019
Tuesday Wind southeast 25 knots increasing to southeast 30 to 40 in the morning.
Wednesday Wind southeast 30 to 40 knots diminishing to southeast 15 to 25.
Thursday Wind southeast 20 to 30 knots.

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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 9:30 PM PDT 13 October 2019

'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 13 October 2019 Tonight and Monday At 9:30 p.m. PDT tonight ridge located on a line north-south over
Queen Charlotte Sound.
By 4:00 a.m. PDT Monday ridge located on a line northeast-southwest
over Vancouver Island.

At 9:30 p.m. PDT tonight frontal system located west of Bowie.
By 4:00 p.m. PDT Monday frontal system located on a line
northeast-southwest over Bowie.

Marine Weather Statement

Issued 9:27 PM PDT 13 October 2019 An intense frontal system will approach the offshore waters this
evening and move eastward to lie over Haida Gwaii early Monday
evening. The front then continues its journey crossing the Central
Coast early Tuesday afternoon.

Gale to storm force southeasterlies will develop over northern
offshore waters tonight then spread to all northern and central
waters on Monday. The gale force southeasterlies will then reach
southern waters Monday night and continue on Tuesday.

A second system will quickly move into outer waters early Tuesday
morning bringing gale force southerly winds to most northern and
central waters on Tuesday.

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