Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 23 April 2018

Today Tonight and Tuesday.

Wind southeast 5 to 15 knots becoming northwest 5 to 15 Tuesday morning.

Extended Forecast

Issued 04:00 AM PDT 23 April 2018
Wednesday Wind northwest 15 to 25 knots diminishing to southeast 5 to 15 late in the day.
Thursday Wind southeast 5 to 15 knots.
Friday Wind northwest 5 to 15 knots increasing to northwest 15 to 25.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Tsawwassen Ferry Terminal 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 Tofino Airport Grief Point Powell River Airport Sechelt Point Atkinson Sand Heads Lightstation Vancouver Harbour Vancouver Int'l Airport West Vancouver Port Alberni Howe Sound - Pam Rocks Squamish Airport
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PDT 23 April 2018 Today Tonight and Tuesday At 4:00 a.m. PDT today ridge located on a line northeast-southwest
over northern Vancouver Island.
By midnight PDT tonight dissipating ridge located on a line
northeast-southwest over Queen Charlotte Sound.

At 4:00 a.m. PDT today frontal system located on a line
northeast-southwest over Bowie.
By 4:00 p.m. PDT today weakening frontal system located on a line
northeast-southwest over Haida Gwaii.

At midnight PDT tonight building ridge located on a line
northeast-southwest over Haida Gwaii.
By 4:00 p.m. PDT Tuesday ridge located on a line northeast-southwest
over Bowie.

At 4:00 a.m. PDT Tuesday quasi-stationary trough located west of
Vancouver Island.

Marine Weather Statement

Issued 3:53 AM PDT 23 April 2018 A frontal system over Bowie will move eastward to Haida Gwaii by
This afternoon. Gale to marginal storm force southerly winds will
continue over most northern and central waters today. The winds will
become moderate to strong southwesterlies this evening as the system
weakens.

A ridge of high pressure over BC Interior in combination with a
trough west of Vancouver Island will produce marginal gale force
northerly outflow winds through Howe Sound this morning and
Tuesday morning.

Pacific - Georgia Basin Area

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