Explorer - northwestern half Marine Forecast, Warnings and Alerts

Canada

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Explorer - northwestern half

Marine Forecast

Issued 10:30 AM PST 20 December 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind westerly 25 to 35 knots diminishing to southwest 15 to 25 early this afternoon except variable 15 over northern sections tonight. Wind becoming west 15 to 25 late overnight except northwest 15 over northern sections. Wind becoming northwest 15 to 25 early Sunday morning then backing to west 15 to 25 Sunday afternoon.

Showers. Risk of thunderstorms overnight and Sunday evening.

Winds

Issued 10:30 AM PST 20 December 2025

Today Tonight and Sunday. Gale warning in effect. Wind westerly 25 to 35 knots diminishing to southwest 15 to 25 early this afternoon except variable 15 over northern sections tonight. Wind becoming west 15 to 25 late overnight except northwest 15 over northern sections. Wind becoming northwest 15 to 25 early Sunday morning then backing to west 15 to 25 Sunday afternoon.

Waves

Issued 04:00 AM PST 20 December 2025

Today Tonight and Sunday. Seas 3 to 4 metres subsiding to 2 to 3 early this evening.

Weather & Visibility

Issued 10:30 AM PST 20 December 2025

Today Tonight and Sunday. Showers. Risk of thunderstorms overnight and Sunday evening.

There is no ice forecast issued for this area.

Warnings (In effect)

Gale warning in effect

Explorer - northwestern half

Issued 10:30 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 10:30 AM PST 20 December 2025 Today Tonight and Sunday At 10:30 a.m. PST today low located over Haida Gwaii.
By 4:00 p.m. PST today weakening low located over the North Coast.

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

At 10:30 a.m. PST today disturbance located over Explorer.
By 4:00 p.m. PST today dissipating disturbance located over the
Mainland Coast.

At 9:30 p.m. PST tonight low located over Explorer.
By 10:30 a.m. PST Sunday weakening low located over the Central
Coast.

Marine Weather Statement

Issued 10:02 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 winds are 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 this afternoon.

Another low pressure centre is forecast to develop over Explorer
tonight and track northeastward into the Central Coast Sunday
morning. Strong to gale force southerly to southwesterly winds are
expected to develop over central waters as the low passes.

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