Strait of Belle Isle Marine Forecast, Warnings and Alerts

Canada

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Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Strait of Belle Isle

Marine Forecast

Issued 03:00 AM NST 20 December 2025

Today Tonight and Sunday.

Storm warning in effect.

Wind south 35 to 45 knots increasing to south 45 to 55 early this morning then diminishing to southwest 35 to 45 near noon and locally gusts to 55 along the coast. Wind becoming west 45 this evening then diminishing to west 35 overnight. Wind diminishing to southwest 25 Sunday morning and to variable 10 to 15 Sunday afternoon. Wind increasing to northeast 25 Sunday evening.

Showers and fog patches changing to flurries this afternoon and ending this evening. Periods of snow Sunday evening. Visibility 1 mile or less in fog patches and in precipitation.

Freezing spray warning in effect.

Freezing spray beginning this evening and ending Sunday afternoon. Freezing spray beginning Sunday evening.

Temperatures plus 6 falling to minus 9 to minus 4 Sunday evening.

Winds

Issued 03:00 AM NST 20 December 2025

Today Tonight and Sunday. Storm warning in effect. Wind south 35 to 45 knots increasing to south 45 to 55 early this morning then diminishing to southwest 35 to 45 near noon and locally gusts to 55 along the coast. Wind becoming west 45 this evening then diminishing to west 35 overnight. Wind diminishing to southwest 25 Sunday morning and to variable 10 to 15 Sunday afternoon. Wind increasing to northeast 25 Sunday evening.

Waves

Issued 06:00 PM NST 19 December 2025

Strait of Belle Isle - eastern half

Tonight and Saturday. Seas 2 to 3 metres building to 3 to 5 late overnight.

Strait of Belle Isle - western half

Tonight and Saturday. Seas 3 to 5 metres building to 5 to 7 late overnight.

Weather & Visibility

Issued 03:00 AM NST 20 December 2025

Today Tonight and Sunday. Showers and fog patches changing to flurries this afternoon and ending this evening. Periods of snow Sunday evening. Visibility 1 mile or less in fog patches and in precipitation.

Air temperature

Issued 03:00 AM NST 20 December 2025

Today Tonight and Sunday. Temperatures plus 6 falling to minus 9 to minus 4 Sunday evening.

Freezing Spray

Issued 03:00 AM NST 20 December 2025

Today Tonight and Sunday. Freezing spray warning in effect. Freezing spray beginning this evening and ending Sunday afternoon. Freezing spray beginning Sunday evening.

Ice Forecasts

Issued 10:00 AM EST 19 December 2025 Today Tonight and Saturday

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 6200N 5947W then northeastward. Sea ice west of the ice
edge.

Ice Coverage

Bergy water except 9 tenths grey ice in a few bays along the
Newfoundland coast. Consolidated grey ice in a few bays.

Iceberg Bulletin

Issued 1:30 PM EST 19 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5415W to 5330N 5200W to 5945N 5730W then
northeastward.

Iceberg Count

Less than 10 icebergs.

Warnings (In effect)

Storm warning in effect

Strait of Belle Isle

Issued 03:00 AM NST 20 December 2025

'Storm' force winds of 48 to 63 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.

Freezing spray warning in effect

Strait of Belle Isle

Issued 03:00 AM NST 20 December 2025

Moderate or severe freezing spray is 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.

Technical Marine Synopsis

Issued 3:00 AM NST 20 December 2025 Today Tonight and Sunday At 3:00 a.m. NST today deepening low 966 mb located over western
Labrador.
By 3:00 a.m. NST Sunday low 948 mb located over eastern Labrador
Sea.

At 3:00 a.m. NST today trough from 966 mb low located on a line
north-south over the Gulf of St. Lawrence.
By 3:00 a.m. NST Sunday trough from 948 mb low located north of
the Marine District.

At 8:00 p.m. NST tonight building ridge located over the Maritimes.

Marine Weather Statement

Issued 2:59 AM NST 20 December 2025 A trough of low pressure associated with a rapidly intensifying low
over Western Labrador will a cross the district today. Strong to gale
force southerlies to southwesterlies will increase to gale to storm
force southerlies ahead of the trough. Winds will shift to gale to
storm force westerlies in its wake and then diminish to moderate to
strong west to southwesterlies as it departs.

Marine interests are advised that storm warnings are in effect for
all waters except Southeastern Grand Banks where a gale warning is in
effect.

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

Marine interests are further advised that higher than normal water
levels are expected this morning along the west coast of Newfoundland
including the western side of the Great Northern Peninsula, as well
as both sides of the Strait of Belle Isle. This is due to a
combination of high waves and pounding surf, storm surge, and a
higher run of tides.

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