Southwestern Grand Banks, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Southwestern Grand Banks

Marine Forecast

Issued 03:30 PM NDT 20 April 2026

Tonight and Tuesday.

Wind south 15 to 20 knots diminishing to south 10 to 15 early this evening then increasing to north 25 near midnight except variable 10 to 15 over eastern sections overnight and Tuesday morning.

Showers changing to rain overnight. Fog patches.

Winds

Issued 03:30 PM NDT 20 April 2026

Tonight and Tuesday. Wind south 15 to 20 knots diminishing to south 10 to 15 early this evening then increasing to north 25 near midnight except variable 10 to 15 over eastern sections overnight and Tuesday morning.

Waves

Issued 06:00 AM NDT 20 April 2026

Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 near noon Tuesday.

Weather & Visibility

Issued 03:30 PM NDT 20 April 2026

Tonight and Tuesday. Showers changing to rain overnight. Fog patches.

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618W
to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618W
to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 20 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 20 April 2026

Iceberg Limit

Iceberg Count

Forecasts available to mariners upon request.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 3:30 PM NDT 20 April 2026 Tonight and Tuesday At 3:30 p.m. NDT today trough located on a line north-south over
Newfoundland.
By 3:30 p.m. NDT Tuesday quasi-stationary trough located on a line
north-south over the eastern Grand Banks.

Marine Weather Statement

Issued 3:20 PM NDT 20 April 2026 Marine interests are advised that all gale warnings have ended.

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