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West Coast Haida Gwaii - southern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 04 December 2025

Tonight and Friday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 30 near midnight then becoming southwest 25 to 35 late overnight. Wind diminishing to west 20 Friday morning then increasing to northwest 30 to 40 Friday afternoon. Wind diminishing to westerly 20 to 30 Friday evening.

Periods of drizzle changing to rain overnight and ending Friday afternoon. Visibility 1 mile or less in precipitation.

Waves

Issued 04:00 PM PST 04 December 2025
Today Tonight and Friday. Seas 2 metres building to 3 to 4 early Friday morning and to 5 Friday evening.

Extended Forecast

Issued 04:00 PM PST 04 December 2025
Saturday Wind southwest 25 knots increasing to south 35 late in the day.
Sunday Wind southwest 35 knots.
Monday Wind southwest 35 knots.

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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 9:30 PM PST 04 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 9:30 PM PST 4 December 2025 Tonight and Friday At 9:30 p.m. PST tonight frontal system located over Bowie.
By 4:00 a.m. PST Friday departing frontal system located on a line
northwest-southeast over eastern Queen Charlotte Sound.

At 4:00 a.m. PST Friday low 998 mb located over western Bowie.
By 4:00 p.m. PST Friday low 996 mb located over Hecate Strait.

Marine Weather Statement

Issued 9:13 PM PST 4 December 2025 An approaching frontal system will track across the offshore waters
tonight and onto the mainland coast Friday morning. Ahead of the
front, strong to gale force southeast winds will develop over
offshore waters this evening and spread to northern and central
waters tonight. In its wake, winds will shift to southwest gales.

The trailing low pressure centre will cross Bowie Friday morning and
move to lie over Hecate Strait Friday afternoon. Strong to gale force
easterlies are forecast north of the low. Behind the low, gale to
storm force westerlies will develop over the offshore waters Friday
morning. Gale force west to northwest winds are forecast Friday
afternoon west of Vancouver Island and through Juan de Fuca Strait.

Pacific - North Coast Area

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Marine Weather for Canada

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