Johnstone Strait
Forecast
Marine Forecast
Issued 04:00 AM PDT 31 March 2025
Today Tonight and Tuesday.
Wind southeast 10 to 20 knots diminishing to light late this morning then increasing to northwest 5 to 15 early this evening. Wind becoming northwest 10 to 20 Tuesday afternoon.
Showers ending near midnight.
Extended Forecast
Issued 04:00 AM PDT 31 March 2025
Wednesday
Wind northwest 5 to 15 knots.
Thursday
Wind variable 5 to 15 knots becoming
light.
Friday
Wind southeast 5 to 15 knots becoming light
late in the day.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
There is no ice forecast issued for this area.
Synopsis
Technical Marine Synopsis
Issued 4:00 AM PDT 31 March 2025 Today Tonight and Tuesday At 4:00 a.m. PDT today low located over northwestern Explorer.By 4:00 p.m. PDT today departing low located south of Explorer.
At 4:00 a.m. PDT today building ridge located northwest of Bowie.
By 4:00 p.m. PDT today building ridge located west of the offshore
waters.
Marine Weather Statement
Issued 3:48 AM PDT 31 March 2025 A low over Southwestern Explorer brings strong southeasterly winds tothe southern waters today.
A ridge building northwest of Bowie generates northerly marginal
gales to the northern waters west of Haida Gwaii today and into this
evening.
On Tuesday, as the ridge continues to build offshore, westerly
marginal gales will develop through Juan de Fuca Strait during the
afternoon to evening period.
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
Another Region
- Date modified: