Marine Forecast
Issued 04:00 AM PST 21 December 2025
Today Tonight and Monday.
Gale warning in effect.
Wind southeast 15 to 25 knots becoming southwest 15 early this
evening except southwest 20 south of Tsawwassen. Wind becoming southeast 15 to
25 overnight then increasing to southeast 25 to 35 Monday morning. Wind becoming
southwest 20 to 30 Monday evening.
Rain changing to showers this afternoon then to rain Monday
afternoon. Showers Monday evening. Visibility as low as 1 mile in
rain.
Strong wind warning program has ended for the season.
Winds
Issued 04:00 AM PST 21 December 2025
Today Tonight and Monday.
Gale warning in effect.
Wind southeast 15 to 25 knots becoming southwest 15 early this
evening except southwest 20 south of Tsawwassen. Wind becoming southeast 15 to
25 overnight then increasing to southeast 25 to 35 Monday morning. Wind becoming
southwest 20 to 30 Monday evening.
Strong wind warning program has ended for the season.
Weather & Visibility
Issued 04:00 AM PST 21 December 2025
Today Tonight and Monday.
Rain changing to showers this afternoon then to rain Monday
afternoon. Showers Monday evening. Visibility as low as 1 mile in
rain.
There is no ice forecast issued for this area.
Warnings (In effect)
Strait of Georgia - south of Nanaimo
Issued 08:54 AM PST 21 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 21 December 2025 Today Tonight and Monday At 4:00 a.m. PST today building ridge located over northern BC
interior.
At 4:00 a.m. PST today low located over southwestern Queen
Charlotte Sound.
By 10:30 a.m. PST today weakening low located over the Central
Coast.
At 4:00 a.m. PST today low located over western Bowie.
By 4:00 p.m. PST today weakening low located west of Bowie.
Marine Weather Statement
Issued 4:06 AM PST 21 December 2025 A building Arctic ridge over the interior is producing strong to gale
force outflow winds through some of the North Coast inlets. The winds
are expected to persist through today and Monday.
A low pressure centre over Northwest Vancouver Island will track
northeastward into the Central Coast this morning. Strong
To gale force southerly to southwesterly winds are expected to
develop south of the low.
Another low pressure centre over Bowie will bring strong to gale
force easterly winds over the northern sections of Bowie on Sunday.