Northern Grand Banks, Canada Marine Forecast, Warnings and Alerts

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Northern Grand Banks

Marine Forecast

Issued 08:00 PM NST 05 December 2025

Tonight and Saturday.

Hurricane force wind warning in effect.

Wind west 50 to 60 knots except west 60 to 70 over northern sections overnight and Saturday morning. Wind diminishing to west 35 to 45 Saturday evening.

Flurries. Visibility 1 mile or less in flurries.

Temperatures near zero.

Winds

Issued 08:00 PM NST 05 December 2025

Tonight and Saturday. Hurricane force wind warning in effect. Wind west 50 to 60 knots except west 60 to 70 over northern sections overnight and Saturday morning. Wind diminishing to west 35 to 45 Saturday evening.

Waves

Issued 06:00 PM NST 05 December 2025

Tonight and Saturday. Seas 5 to 7 metres building to 7 to 9 this evening and to 9 to 12 near midnight. Seas subsiding to 7 to 9 Saturday afternoon.

Weather & Visibility

Issued 08:00 PM NST 05 December 2025

Tonight and Saturday. Flurries. Visibility 1 mile or less in flurries.

Air temperature

Issued 08:00 PM NST 05 December 2025

Tonight and Saturday. Temperatures near zero.

Ice Forecasts

Northern Grand Banks

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Newfoundland near 5039N 5607W to 5042N
5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.

Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W to 5928N 6239W to Labrador near
6018N 6424W. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Flemish

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday

Ice Edge

Ice Coverage

Forecasts available to mariners upon request.

Iceberg Bulletin

Northern Grand Banks

Issued 1:30 PM EST 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Flemish

Issued 1:30 PM EST 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

Forecasts available to mariners upon request.

Warnings (In effect)

Hurricane force wind warning in effect

Northern Grand Banks

Issued 8:00 PM NST 05 December 2025

'Hurricane' force winds of 64 knots or above 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.

Technical Marine Synopsis

Issued 8:00 PM NST 5 December 2025 Tonight and Saturday At 8:00 p.m. NST tonight deepening low 964 mb located over Funk
Island Bank.
By 8:00 p.m. NST Saturday low 958 mb located east of the Marine
District.

At 3:00 a.m. NST Saturday approaching ridge located on a line
north-south over the Maritimes.

Marine Weather Statement

Issued 7:56 PM NST 5 December 2025 An intensifying low pressure system over Funk Island Bank will move
to lie east of Funk Island Bank by Saturday afternoon. Gale to storm
force west to northwesterlies will persist over most waters in its
wake while strong to gale force easterly to northeasterlies north of
the low will veer to gale to storm force northwesterlies tonight.
Winds will further intensify to storm to hurricane force west to
northwesterlies tonight as the low deepens, before slowly diminishing
on Saturday as the low moves east of the marine district.

Marine interests are advised that hurricane force wind warnings are
in effect for Funk Island Bank and Northern Grand Banks.
Storm warnings are in effect for Gulf - Port au Port, Southwest
Coast, South Coast, East Coast, Northeast Coast, and Southern Grand
Banks. Gale warnings are in effect for Strait of Belle Isle - eastern
half, Northeast Gulf, and Belle Isle Bank.

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

Marine interests are also advised that water levels are expected to
exceed the highest astronomical tide with high waves and pounding
surf, impacting some coastal areas of Southwest Coast, South Coast
and East Coast on Saturday morning, most significant near high tide.

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