Hecate Strait Marine Forecast, Warnings and Alerts

Canada

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Hecate Strait

Marine Forecast

Issued 09:30 PM PST 17 December 2025

Tonight and Thursday.

Wind southerly 20 to 30 knots becoming southwest 20 late overnight then diminishing to southwest 10 to 15 Thursday morning. Wind veering to northwest 10 to 20 early Thursday afternoon.

Showers. Risk of thunderstorms late this evening and overnight.

Winds

Issued 09:30 PM PST 17 December 2025

Tonight and Thursday. Wind southerly 20 to 30 knots becoming southwest 20 late overnight then diminishing to southwest 10 to 15 Thursday morning. Wind veering to northwest 10 to 20 early Thursday afternoon.

Waves

Issued 04:00 PM PST 17 December 2025

Hecate Strait - northern half

Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less near noon Thursday.

Hecate Strait - southern half

Today Tonight and Thursday. Seas 2 to 3 metres becoming 1 near noon Thursday except 3 over southern sections. Seas building to 1 to 2 Thursday evening.

Weather & Visibility

Issued 09:30 PM PST 17 December 2025

Tonight and Thursday. Showers. Risk of thunderstorms late this evening and overnight.

There is no ice forecast issued for this area.

Warnings (Ended)

Gale warning ended

Hecate Strait

Issued 9:30 PM PST 17 December 2025

Technical Marine Synopsis

Issued 9:30 PM PST 17 December 2025 Tonight and Thursday At 9:30 p.m. PST tonight low located over northern Bowie.
By 9:30 p.m. PST Thursday weakening low located over the North
Coast.

At 9:30 p.m. PST tonight low 994 mb located southwest of Explorer.
By 4:00 p.m. PST Thursday departing low located over the southern
Strait of Georgia.

Marine Weather Statement

Issued 9:05 PM PST 17 December 2025 A low pressure centre will remain over northern waters tonight.
To its south, strong to gale force southwesterlies will persist
across most outer waters tonight.

Another low pressure centre will track across Southern Explorer
Thursday morning and Vancouver Island in the afternoon. Ahead of the
low, gale force southeasterlies will develop Thursday morning over
the inner South Coast. In its wake, strong to gale force westerlies
will develop over Explorer midday Thursday and then spread to the
inner South Coast in the afternoon.

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