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Strait of Georgia - north of Nanaimo

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 16 May 2026

Today Tonight and Sunday.

Strong wind warning in effect. Waterspout watch in effect.

Wind northwest 10 to 20 knots becoming northwest 15 to 25 this evening then diminishing to northwest 5 to 15 Sunday morning. Wind becoming light near noon Sunday then becoming northwest 5 to 15 Sunday evening.

Showers ending late this morning. Risk of thunderstorms early this morning. Scattered showers this afternoon and this evening with a risk of thunderstorms. Scattered showers Sunday evening.

Extended Forecast

Issued 04:00 AM PDT 16 May 2026
Monday Wind light becoming northwest 10 to 15 knots late in the day.
Tuesday Wind northwest 10 to 15 knots increasing to northwest 15 to 20 late in the day.
Wednesday Wind northwest 15 to 20 knots diminishing to northwest 10 to 15.

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Map of Pacific - Georgia Basin marine weather areas West Vancouver Discovery Island English Bay – 46304 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Howe Sound - Pam Rocks Comox Airport Entrance Island Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Powell River Airport Campbell River Airport Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Fanny Island Race Rocks Lightstation Vancouver Harbour Esquimalt Harbour Kelp Reefs Malahat Saturna Island Sheringham Point Vancouver Int'l Airport University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Strait of Georgia - north of Nanaimo

Issued 04:00 AM PDT 16 May 2026

'Strong' winds of 20 to 33 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.

Watches (In effect)

Waterspout watch in effect

Strait of Georgia - north of Nanaimo

Issued 07:08 AM PDT 16 May 2026 Conditions are favourable for the development of waterspouts.

Where: Strait of Georgia, Howe Sound, West Coast Vancouver Island South

When: This morning

Additional Information:
An upper trough is over the south coast of B.C. this morning, bringing a cool and unstable airmass. This airmass gives conditions favourable for waterspouts to develop.

Mariners are urged to take all necessary precautions and prepare for the possibility of waterspout activity. Postpone voyage or seek safe harbour if possible. Keep in mind that waterspouts cannot be seen at night and may strike suddenly. Waterspouts sometimes appear as funnel clouds with swirling water visible near the surface.

Waterspouts are generated by weak rotation under rapidly growing clouds or weak thunderstorms. Under favourable conditions, this weak rotation could intensify and become a tornado.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PDT 16 May 2026 Today Tonight and Sunday At 4:00 a.m. PDT today trough located over the Strait of Georgia.
By 11:00 a.m. PDT today departing trough located over Washington
State.

At 4:00 a.m. PDT today ridge located on a line north-south over
Bowie.
By midnight PDT tonight ridge located over the Alaska panhandle
to Explorer.

At 9:30 p.m. PDT tonight frontal system located west of Bowie.
By midnight PDT Sunday frontal system located from the North Coast
to Haida Gwaii then to Explorer.

Marine Weather Statement

Issued 3:43 AM PDT 16 May 2026 A trough over the South Coast will create conditions favourable for
waterspout development over the Strait of Georgia, Howe Sound, and
west coast Vancouver Island from now through midday today.

A ridge of high pressure will build over the offshore waters today.
As the ridge approaches the coast, gale force westerlies will develop
through Juan de Fuca Strait late this afternoon before easing to
strong westerlies tonight.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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