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Strait of Georgia - north of Nanaimo


Marine Forecast

Issued 09:30 PM PDT 20 August 2019

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 25 to 35 late overnight then diminishing to variable 10 to 20 Wednesday afternoon. Wind becoming northwest 15 to 25 early Wednesday evening.

Showers beginning late overnight and ending early Wednesday evening.

Extended Forecast

Issued 04:00 PM PDT 20 August 2019
Thursday Wind northwest 20 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind light.

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Weather Conditions

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Map of Pacific - South Coast marine weather areas South Nomad - 46036 Sentry Shoal - 46131 South Brooks - 46132 Halibut Bank - 46146 South Moresby - 46147 South Hecate Strait - 46185 West Sea Otter - 46204 La Perouse Bank - 46206 East Dellwood - 46207 Discovery Island Esquimalt Harbour Kelp Reefs Malahat Race Rocks Lightstation Saturna Island Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands Campbell River Airport Comox Airport Entrance Island Fanny Island Nanaimo Airport Port Hardy Airport Sisters Islets Estevan Point Port Alberni Sartine Island Solander Island Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island Point Atkinson Sand Heads Lightstation Tsawwassen Ferry Terminal Vancouver Int'l Airport Vancouver Harbour West Vancouver
Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Strait of Georgia - north of Nanaimo

Issued 00:37 AM PDT 21 August 2019

'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 9:30 PM PDT 20 August 2019 Tonight and Wednesday At 9:30 p.m. PDT tonight frontal system located on a line
north-south over eastern Haida Gwaii.
By 4:00 a.m. PDT Wednesday frontal system located on a line
north-south over northern Vancouver Island.

At 9:30 p.m. PDT tonight low 984 mb located 60 miles southwest
of Langara.
By 8:00 a.m. PDT Wednesday departing low 995 mb located near
Prince Rupert.

At 4:00 a.m. PDT Wednesday building ridge located west of the
offshore waters.
By 5:00 p.m. PDT Wednesday building ridge located over the offshore

Marine Weather Statement

Issued 9:27 PM PDT 20 August 2019 The centre of a low pressure system currently 60 miles southwest of
Langara will cross Haida Gwaii tonight then cross Prince Rupert into
the Northern British Columbia interior on Wednesday morning.
The associated front will continue swinging through the northern and
central waters late this evening and Progress across the South Coast
overnight and Wednesday morning.

Within the vicinity of the low centre, gale to storm force southeast
winds ahead of it will switch to gale to storm force northwest winds
in its wake. Affected marine regions include the northern and central

Gale to storm force southeast winds will accompany the associated
front. The front will weaken to strong to gale southeast winds as it
moves through the South Coast overnight and Wednesday morning. Strong
northwest winds are expected to follow the passage of the front.

A ridge of high pressure will build Wednesday after the entire system
moves out of the marine regions. Moderate to strong northwest winds
are expected for all marine regions except gale force winds along
parts of the west coast of Vancouver Island.

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