Strait of Georgia - south of Nanaimo
Forecast
Marine Forecast
Issued 09:30 PM PDT 15 May 2026
Tonight and Saturday.
Strong wind warning in effect. Waterspout watch in effect.
Wind southerly 10 to 20 knots except northeast 15 near the mouth of Howe Sound. Wind becoming northwest 10 to 20 late overnight then becoming northwest 15 to 25 Saturday evening.
Showers with a risk of thunderstorms.
Extended Forecast
Issued 04:00 PM PDT 15 May 2026
Sunday
Wind northwest 15 to 25 knots diminishing to
light in the morning then becoming northwest 5 to 15 late in the day.
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.
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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)
Strong wind warning in effect
Strait of Georgia - south of Nanaimo
Issued 9:30 PM PDT 15 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 - south of Nanaimo
Issued 4:21 PM PDT 15 May 2026 Conditions are favourable for the development of waterspouts.Where: Strait of Georgia, Howe Sound, West Coast Vancouver Island
When: Now through Saturday morning.
Additional Information:
An upper trough is over the south coast of B.C. tonight, 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.
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 9:30 PM PDT 15 May 2026 Tonight and Saturday At 9:30 p.m. PDT tonight trough located on a line north-south overVancouver Island.
By 11:00 a.m. PDT Saturday departing trough located over Washington
State.
At 9:30 p.m. PDT tonight ridge located west of the offshore waters.
By midnight PDT Saturday ridge located over the Alaska panhandle
to Explorer.
At 9:30 p.m. PDT Saturday approaching frontal system located west
of Bowie.
Marine Weather Statement
Issued 9:13 PM PDT 15 May 2026 A trough over the southern waters will continue to generatenorthwesterly gale force winds over Explorer this evening. Winds will
ease overnight as the trough moves southward.
In addition, the trough will create conditions favourable for
waterspout development over the Strait of Georgia, Howe Sound, and
west coast Vancouver Island from now through Saturday midday.
A ridge of high pressure will build over the offshore waters
Saturday. As the ridge approaches the coast, gale force westerlies
will develop through Juan de Fuca Strait Saturday afternoon before
easing to strong westerlies overnight Saturday.
Pacific - South Coast Area
- Bowie - southern half
- Central Coast from McInnes Island to Pine Island
- Explorer - northwestern half
- Explorer - southeastern half
- Haro Strait
- Hecate Strait - southern half
- Howe Sound
- Johnstone Strait
- Juan de Fuca Strait - central strait
- Juan de Fuca Strait - east entrance
- Juan de Fuca Strait - west entrance
- Queen Charlotte Sound - eastern half
- Queen Charlotte Sound - western half
- Queen Charlotte Strait
- Strait of Georgia - north of Nanaimo
- Strait of Georgia - south of Nanaimo
- West Coast Haida Gwaii - southern half
- West Coast Vancouver Island North
- West Coast Vancouver Island South
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