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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 17 July 2024

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots diminishing to northwest 10 to 15 early this morning then increasing to northwest 20 to 30 this afternoon. Wind diminishing to northwest 15 to 20 after midnight and to northwest 10 to 15 Thursday morning. Wind increasing to northwest 15 to 25 Thursday afternoon.

Periods of drizzle ending this morning. Periods of drizzle overnight and Thursday morning. Fog patches.

Extended Forecast

Issued 04:00 AM PDT 17 July 2024
Friday Wind northwest 15 to 25 knots diminishing to variable 5 to 15 in the morning then increasing to northwest 15 to 25 in the afternoon.
Saturday Wind variable 5 to 15 knots increasing to northwest 15 to 20 late in the day.
Sunday Wind northwest 15 knots increasing to northwest 15 to 25 late in the day.

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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
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 17 July 2024

'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 17 July 2024 Today Tonight and Thursday At 4:00 a.m. PDT today ridge located on a line north-south over
Queen Charlotte Sound.
By 3:30 p.m. PDT today ridge located on a line north-south over
Vancouver Island.

At 4:00 a.m. PDT today low located over western Bowie.
By 4:00 p.m. PDT today departing low located over the Alaska
panhandle.

At 4:00 a.m. PDT today cold front from low located on a line
northeast-southwest over Bowie.
By midnight PDT tonight cold front located on a line
northeast-southwest over Haida Gwaii.

Marine Weather Statement

Issued 3:53 AM PDT 17 July 2024 A low pressure system offshore will move through Western Bowie this
morning and reach the Alaskan Panhandle this afternoon. Strong to
gale force southeasterly winds can be expected ahead of the low, and
strong to gale force northwesterly winds in its wake through this
morning.

Late Wednesday afternoon, strong to gale force westerly winds will
develop through Juan de Fuca Strait ahead of the ridge moving into
Southeastern Explorer.

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