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West Coast Haida Gwaii - southern half

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PST 16 December 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 10 to 20 knots increasing to northwest 30 to 40 early this evening then diminishing to west 20 to 30 late overnight. Wind becoming southwest 25 to 35 near noon Wednesday then becoming southwest 20 to 30 Wednesday evening.

Rain changing to showers this evening. Risk of thunderstorms overnight and Wednesday late in the day.

Waves

Issued 06:10 PM PST 16 December 2025
Today Tonight and Wednesday. Seas 3 to 5 metres subsiding to 3 to 4 early Wednesday morning then building to 3 to 5 Wednesday afternoon.

Extended Forecast

Issued 04:00 PM PST 16 December 2025
Thursday Wind southwest 25 to 35 knots becoming westerly 20 to 30 late in the day.
Friday Wind northwest 10 to 20 knots.
Saturday Wind northwest 10 to 20 knots becoming northwest 10.

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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 7:21 PM PST 16 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 4:00 PM PST 16 December 2025 Tonight and Wednesday At 4:00 p.m. PST today low 988 mb located over Haida Gwaii.
By 10:30 p.m. PST tonight departing low 978 mb located over the
North Coast.

At 4:00 a.m. PST Wednesday low located over the Gulf of Alaska.
By midnight PST Wednesday low located over northern Bowie.

Marine Weather Statement

Issued 3:51 PM PST 16 December 2025 A low pressure system crossing Haida Gwaii will reach the mainland
North Coast later this evening then move inland. Gale to storm force
southerly to westerly winds are expected across most marine regions.

In the wake of this system, an unstable airmass will be in place
across the region. Strong to gale force westerly winds will persist
through Wednesday.

Pacific - North Coast Area

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Marine Weather for Canada

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