Johnstone Strait


Marine Forecast

Issued 04:00 AM PST 23 February 2018

Today Tonight and Saturday.

Wind southeast 20 to 30 knots diminishing to northwest 10 to 20 near midnight then becoming northwest 15 to 25 Saturday morning. Wind diminishing to southwest 5 to 15 Saturday afternoon.

Snow or periods of rain beginning this morning changing to periods of rain Saturday morning. Visibility 1 mile or less in precipitation.

Temperatures near zero.

Extended Forecast

Issued 04:00 AM PST 23 February 2018
Sunday Wind northwest 20 to 30 knots.
Monday Wind northwest 15 to 25 knots.
Tuesday Wind northwest 15 to 20 knots increasing to southeast 30 to 40 late in the day.

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Weather Conditions

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Map of Pacific - South Coast marine weather areas Tsawwassen Ferry Terminal 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 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 Sartine Island Solander Island Tofino Airport Grief Point Powell River Airport Sechelt Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island 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.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 4:00 AM PST 23 February 2018 Today Tonight and Saturday At 4:00 a.m. PST today trough from low located from the Alaska
panhandle to Vancouver Island.
By 4:00 p.m. PST today trough from low located from the Alaska
panhandle to Washington State.

At 4:00 a.m. PST Saturday ridge located over the Central Coast.

At 4:00 p.m. PST Saturday low 982 mb located over the Gulf of

Marine Weather Statement

Issued 3:53 AM PST 23 February 2018 A trough extending from a low over the Gulf of Alaska will extend
southwards from the Gulf of Alaska to Northern Vancouver Island
Today continuing to Washington state this afternoon. Westerly gales
have developed in its wake over the northern waters and will extend
to the central and southern waters tonight. The winds will ease by
Saturday morning

A 982 MB low will approach the Gulf of Alaska Saturday afternoon.
Ahead of the low, gale to storm force westerly winds will develop
beginning late Saturday morning over the northern waters then extend
to the central and southern waters early Saturday evening.

Pacific - South Coast Area

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