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Juan de Fuca Strait - east entrance


Marine Forecast

Issued 04:00 AM PDT 04 August 2021

Today Tonight and Thursday.

Gale warning in effect.

Wind west 20 to 30 knots diminishing to west 10 to 20 early this morning then increasing to west 30 to 35 late this afternoon. Wind diminishing to west 25 overnight then increasing to west 30 to 35 Thursday afternoon.

Showers Thursday evening. Fog patches dissipating near noon. Fog patches forming this evening and dissipating Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 04 August 2021
Friday Wind west 15 to 25 knots increasing to west 25 to 35 in the afternoon.
Saturday Wind south 15 knots increasing to west 15 to 25 late in the day.
Sunday Wind west 25 knots diminishing to west 15.

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Weather Conditions

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Juan de Fuca Strait - east entrance

Issued 04:00 AM PDT 04 August 2021

'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 4:00 AM PDT 4 August 2021 Today Tonight and Thursday At 4:00 a.m. PDT today ridge located over northern Vancouver Island.
By 4:00 a.m. PDT Thursday weakening ridge located over southern
Vancouver Island.

At 4:00 a.m. PDT today low 1001 mb located over northwestern Bowie.
By 4:00 p.m. PDT Thursday low 1006 mb located over northern Bowie.

At 4:00 a.m. PDT today frontal system located over Haida Gwaii.
By 4:00 a.m. PDT Thursday weakening frontal system located over
Cape Scott extending southwestward.

Marine Weather Statement

Issued 3:50 AM PDT 4 August 2021 A ridge of high pressure over Northern Vancouver Island and strong
daytime heating over the BC Interior are producing strong to gale
force inflow winds through Juan de Fuca Strait every day in the late
afternoon and evening. Winds will then ease to moderate to strong by
early morning.

A front over Haida Gwaii is producing strong to gale force southerly
winds over the northern waters. Winds will ease to moderate to strong
southwesterly as the front moves to Central Coast this evening.

A low offshore will spread westerly gales to Northern Bowie tonight.
Winds will ease to strong early Thursday as the low weakens.

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