Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 21 May 2018

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots diminishing to northwest 5 to 15 late overnight then increasing to northwest 20 to 30 Tuesday afternoon.

Extended Forecast

Issued 04:00 PM PDT 21 May 2018
Wednesday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 in the afternoon.
Thursday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 late in the day.
Friday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 21 May 2018

'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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PDT 21 May 2018 Tonight and Tuesday At 9:30 p.m. PDT tonight ridge located on a line north-south over
northern Vancouver Island.
By 9:30 p.m. PDT Tuesday weakening ridge located on a line
north-south over Queen Charlotte Sound.

At 9:30 p.m. PDT tonight weakening cold front located on a line
north-south over Haida Gwaii.
By 11:00 a.m. PDT Tuesday dissipating cold front located on a line
north-south over Hecate Strait.

Marine Weather Statement

Issued 9:26 PM PDT 21 May 2018 A cold front over Haida Gwaii is weakening this evening. Gale force
southerlies ahead of the front over Dixon Entrance East and Hecate
Strait north will ease to strong overnight. Winds will continue to
ease Tuesday as the front dissipates and a weak ridge of high
pressure builds over BC waters.

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