South Coast, Canada Marine Forecast, Warnings and Alerts

Canada

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Current Conditions

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South Coast

Marine Forecast

Issued 10:00 AM NST 18 December 2025

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 25 to 35 knots diminishing to west 20 this evening then backing to southwest 25 late overnight. Wind increasing to south 35 Friday evening.

Winds

Issued 10:00 AM NST 18 December 2025

Today Tonight and Friday. Gale warning in effect. Wind northwest 25 to 35 knots diminishing to west 20 this evening then backing to southwest 25 late overnight. Wind increasing to south 35 Friday evening.

Waves

Issued 06:00 AM NST 18 December 2025

Today Tonight and Friday. Seas 3 to 5 metres subsiding to 2 to 3 late overnight.

Ice Forecasts

Issued 10:00 AM EST 18 December 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4842N 5305W to 4935N 5326W
to 5012N 5536W to 5125N 5504W to 5349N 5528W to 5633N 6011W to 5928N
6239W to Labrador near 6200N 5947W. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Iceberg Bulletin

Issued 1:30 PM EST 17 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5500W to 5330N 5200W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Gale warning in effect

South Coast

Issued 10:00 AM NST 18 December 2025

'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 10:00 AM NST 18 December 2025 Today Tonight and Friday At 10:00 a.m. NST today trough located east of Newfoundland.
By 3:00 a.m. NST Friday trough located east of the Marine District.

At 8:00 p.m. NST Friday approaching trough located over Maine.

At 10:00 a.m. NST today ridge located on a line north-south
over Maine.
By 10:00 a.m. NST Friday ridge located on a line northwest-southeast
over Belle Isle Bank.

Marine Weather Statement

Issued 10:03 AM NST 18 December 2025 A trough of low pressure currently east of Newfoundland will continue
tracking east today. Strong to gale force southwesterlies ahead of
the trough will shift to strong to gale force northwesterlies in its
wake today. Winds are expected to diminish tonight as the trough
departs.

A second trough of low pressure will approach from the west on
Friday. Strong to gale force southwesterlies are expected to spread
across the marine district on Friday ahead of the trough.

Marine interests are advised that gale warnings are in effect for all
waters.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, Northeast Coast, Belle
Isle Bank, and Funk Island Bank.

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