West Coast Haida Gwaii - southern half
Forecast
Marine Forecast
Issued 04:00 AM PST 15 December 2025
Today Tonight and Tuesday.
Storm warning in effect.
Wind southwest 20 to 30 knots becoming southwest 25 to 35 near noon then increasing to southwest 40 to 50 early this evening. Wind becoming southwest 40 near midnight then veering to northwest 30 to 40 Tuesday afternoon.
Showers. Risk of thunderstorms this morning and tonight.
Waves
Issued 04:00 AM PST 15 December 2025
Today Tonight and Tuesday.
Seas 4 metres building to 4 to 6 early this evening and to 6 to 8
late this evening. Seas subsiding to 4 to 6 Tuesday morning and to 4 near noon
Tuesday then building to 4 to 6 Tuesday evening.
Extended Forecast
Issued 04:00 AM PST 15 December 2025
Wednesday
Wind westerly 20 to 30 knots becoming
southwest 25 to 35 in the afternoon.
Thursday
Wind southwest 25 to 35 knots becoming
westerly 20 to 30 late in the day.
Friday
Wind northwest 10 to 20 knots.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Warnings (In effect)
Storm warning in effect
West Coast Haida Gwaii - southern half
Issued 04:00 AM PST 15 December 2025'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 AM PST 15 December 2025 Today Tonight and Tuesday At 4:00 a.m. PST today departing low 967 mb located northwestof Bowie.
At 4:00 a.m. PST today cold front located from the Central Coast
to Explorer.
By 4:00 p.m. PST today departing cold front located over BC
interior.
At 4:00 p.m. PST today trough located west of Bowie.
By 4:00 a.m. PST Tuesday departing trough located over the North
Coast.
At 10:00 a.m. PST Tuesday low 992 mb located over Bowie.
By 4:00 p.m. PST Tuesday low 984 mb located over Haida Gwaii.
Marine Weather Statement
Issued 3:40 AM PST 15 December 2025 As the low located northwest of Bowie moves away from the region,storm force southwesterlies over Northern Bowie will ease this
morning.
A cold front will slide southeastward across the southern waters
today and then move inland this evening. Southerly gales are expected
ahead of the front, while strong to gale force westerly winds will
develop in its wake.
Another trough will cross northern waters tonight bringing gale to
storm force southwesterlies.
The active weather pattern continues on Tuesday with a broad low
producing southerly to westerly gales across most marine regions.
Pacific - North Coast Area
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