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West Coast Haida Gwaii - southern half

Forecast

Marine Forecast

Issued 10:30 AM PST 12 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northeast 20 to 30 knots becoming southwest 15 to 25 late overnight then increasing to southwest 25 to 35 Saturday morning. Wind becoming southwest 25 Saturday afternoon then backing to southeast 30 Saturday evening.

Rain changing to showers near noon Saturday then to rain Saturday evening.

Waves

Issued 04:00 AM PST 12 December 2025
Today Tonight and Saturday. Seas 1 to 2 metres building to 2 to 3 overnight and to 3 to 4 Saturday morning. Seas subsiding to 2 to 3 Saturday evening.

Extended Forecast

Issued 04:00 AM PST 12 December 2025
Sunday Wind southwesterly 30 to 40 knots backing to south 35 to 45 in the afternoon.
Monday Wind southwest 20 to 30 knots becoming southwest 25 to 35.
Tuesday Wind southwest 25 knots.

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Weather Conditions

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Map of Pacific - North Coast marine weather areas Masset Municipal Airport South Moresby - 46147 Bonilla Island Bella Coola Airport North Hecate Strait - 46183 Bella Bella Airport North Nomad - 46184 Sandspit Airport South Hecate Strait - 46185 Rose Spit Nanakwa Shoal - 46181 Langara Island Kindakun Rocks West Sea Otter - 46204 Cape St.James West Dixon Entrance - 46205 Sartine Island West Moresby - 46208 East Dellwood - 46207 Middle Nomad - 46004 South Nomad - 46036 Cathedral Point Prince Rupert Airport Lucy Islands Lightstation Holland Rock Dixon Entrance Central - 46145 Grey Islet Cumshewa Island
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii - southern half

Issued 10:30 AM PST 12 December 2025

'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 10:30 AM PST 12 December 2025 Today Tonight and Saturday At 10:30 a.m. PST today warm front located from Explorer to
Cape Scott.
By 10:00 a.m. PST Saturday warm front located on a line east-west
over northern Haida Gwaii.

At 10:30 a.m. PST today building ridge located over northern
BC interior.
By 10:00 a.m. PST Saturday weakening ridge located over northern
BC interior.

At 1:00 a.m. PST Saturday low 999 mb located over southwestern
Bowie.
By 1:00 p.m. PST Saturday departing low 988 mb located near Langara.

At 4:00 p.m. PST Saturday trough located southwest of Explorer.
By 11:00 p.m. PST Saturday trough located over Explorer.

Marine Weather Statement

Issued 10:15 AM PST 12 December 2025 A warm front extending through Explorer will move northward to lie
over Southern Bowie this evening. Ahead of this front, strong to gale
easterlies will continue over Bowie until this evening.

An Arctic ridge of high pressure will also strengthen over the
British Columbia Interior, bringing northeast outflow gales
To the North Coast inlets today and Saturday and also over the
Central Coast starting tonight.

A low will form over Southern Bowie Saturday morning and track
northeastward into the Southern Alaska Panhandle by Saturday evening.
To the south and east of the low, southwest gales will develop across
the northern and central waters on Saturday.

Pacific - North Coast Area

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