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Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 23 September 2020

Tonight and Thursday.

Strong wind warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 30 Thursday evening.

Showers with a risk of thunderstorms.

Extended Forecast

Issued 04:00 PM PDT 23 September 2020
Friday Wind east 20 to 30 knots becoming northwest 15 to 25 in the morning then diminishing to light late in the day.
Saturday Wind southeast 15 knots increasing to southeast 25 late in the day.
Sunday Wind southeast 25 to 35 knots diminishing to northwest 15 to 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)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 23 September 2020

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 PDT 24 September 2020 Today Tonight and Friday At 4:00 a.m. PDT today low 984 mb located northwest of Bowie.
By 4:00 p.m. PDT today weakening low 988 mb located north of Bowie.

At 10:00 p.m. PDT tonight deepening low 992 mb located over
Explorer.
By 4:00 a.m. PDT Friday low 990 mb located over northern Vancouver
Island.

Marine Weather Statement

Issued 9:27 PM PDT 23 September 2020 A 983 millibar low northwest of Bowie will move northeastward to the
west of the Alaska Panhandle Thursday.

Strong southwesterlies offshore will rise to gale force tonight as
the low moves northeastward then ease to moderate to strong Thursday
afternoon.

A developing low is forecast to approach Vancouver Island Thursday
night and Friday morning. Ahead of the low, southeast gales are
forecast to develop over the southern waters Thursday night.

Pacific - South Coast Area

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