Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 20 June 2018

Tonight and Thursday.

Gale warning in effect.

Wind northwest 15 to 25 knots increasing to northwest 25 to 35 late Thursday afternoon.

Extended Forecast

Issued 04:00 PM PDT 20 June 2018
Friday Wind northwest 5 to 15 knots increasing to northwest 15 to 25 in the afternoon.
Saturday Wind northwest 10 to 20 knots.
Sunday Wind northwest 10 to 20 knots.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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 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)

Gale warning in effect

Johnstone Strait

Issued 9:30 PM PDT 20 June 2018

'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 20 June 2018 Tonight and Thursday At 9:30 p.m. PDT tonight ridge located over Bowie.
By 10:30 a.m. PDT Thursday ridge located from the North Coast
to Explorer.

At 9:30 p.m. PDT tonight dissipating trough located on a line
northwest-southeast over Haida Gwaii.

At 4:00 a.m. PDT Thursday approaching trough located west of Bowie.

Marine Weather Statement

Issued 9:28 PM PDT 20 June 2018 A marine push will develop over the South Coast tonight as a trough
of low pressure deepens over the BC Interior and a weak ridge of
High pressure persists offshore.

Westerly winds will reach gale force tonight through Juan de Fuca
strait. On Thursday strong southeasterlies will develop over the
Strait of Georgia in the morning as cooler marine air invades the
inner South Coast. Strong inflow winds will develop through Howe
Sound and Douglas Channel during the day. Westerlies through Juan
De fuca strait will reach gale force again Thursday afternoon as
Will northwesterly winds through Johnstone Strait.

Elsewhere, winds will remain light to moderate.

Pacific - South Coast Area

Another Region

What we are doing

Features

Lightning Safety

When thunder roars, GO INDOORS!

Air Quality Health Index

Be Air Aware

Summer Severe Weather

Be prepared!

Date modified: