Marine Forecast
Issued 04:00 AM PST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind southwest 25 to 35 knots diminishing to southwest 15 to 25
near noon then backing to southeast 15 to 25 early this evening. Wind increasing
to southeast 25 to 35 near midnight then diminishing to southwest 15 to 25
Sunday morning.
Showers. Risk of thunderstorms this morning and overnight.
Visibility as low as 1 mile in showers.
Winds
Issued 04:00 AM PST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind southwest 25 to 35 knots diminishing to southwest 15 to 25
near noon then backing to southeast 15 to 25 early this evening. Wind increasing
to southeast 25 to 35 near midnight then diminishing to southwest 15 to 25
Sunday morning.
Waves
Issued 04:00 AM PST 20 December 2025
Today Tonight and Sunday.
Seas 3 metres subsiding to 2 Sunday afternoon.
Weather & Visibility
Issued 04:00 AM PST 20 December 2025
Today Tonight and Sunday.
Showers. Risk of thunderstorms this morning and overnight.
Visibility as low as 1 mile in showers.
There is no ice forecast issued for this area.
Warnings (In effect)
West Coast Vancouver Island South
Issued 04:00 AM PST 20 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.
Technical Marine Synopsis
Issued 4:00 AM PST 20 December 2025 Today Tonight and Sunday At 4:00 a.m. PST today low located over Haida Gwaii.
By 4:00 p.m. PST today weakening low located over northern Hecate
Strait.
At 4:00 a.m. PST today building ridge located over northern BC
interior.
At 4:00 a.m. PST today disturbance located over Explorer.
By 10:00 a.m. PST today weakening disturbance located over the
Mainland Coast.
At 9:30 p.m. PST tonight low located over Explorer.
By 10:00 a.m. PST Sunday weakening low located over the Central
Coast.
Marine Weather Statement
Issued 3:59 AM PST 20 December 2025 A building Arctic ridge combined with a low pressure centre over
Haida Gwaii is producing strong to gale force outflow winds through
some of the North Coast inlets. The wind is expected to persist
through this morning as the low moves inland.
A weak disturbance over Explorer will track eastward across southern
waters this morning. Strong to gale force westerly winds are expected
before winds ease as the disturbance moves inland late morning.
Another low pressure centre is forecast to develop over Explorer
Saturday night and track northeastward into the Central Coast Sunday
morning. Strong to gale southerly to southwesterly winds are expected
to develop over central waters as the low passes.