Southeastern 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

Southeastern Grand Banks

Marine Forecast

Issued 10:00 AM NDT 21 May 2025

Today Tonight and Thursday.

Wind northeast 10 to 15 knots increasing to northeast 15 to 20 this afternoon then backing to north 20 this evening. Wind diminishing to north 15 Thursday afternoon.

Showers and fog banks ending Thursday afternoon. Risk of thunderstorms today and tonight.

Winds

Issued 10:00 AM NDT 21 May 2025

Today Tonight and Thursday. Wind northeast 10 to 15 knots increasing to northeast 15 to 20 this afternoon then backing to north 20 this evening. Wind diminishing to north 15 Thursday afternoon.

Waves

Issued 06:00 AM NDT 21 May 2025

Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 Thursday evening.

Weather & Visibility

Issued 10:00 AM NDT 21 May 2025

Today Tonight and Thursday. Showers and fog banks ending Thursday afternoon. Risk of thunderstorms today and tonight.

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EDT 20 May 2025 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from 5106N 5720W to Newfoundland near 5113N 5647W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5536N 5457W to 5708N 5743W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 20 May 2025 Today Tonight and Wednesday

Ice Edge

Ice Coverage

Forecasts available to mariners upon request.

Iceberg Bulletin

Southeastern Grand Banks

Issued 3:12 PM EDT 20 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

Less than 10 icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:12 PM EDT 20 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

Forecasts available to mariners upon request.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 10:00 AM NDT 21 May 2025 Today Tonight and Thursday At 10:00 a.m. NDT today trough located on a line northeast-southwest
over the southern Grand Banks.
By 10:00 a.m. NDT Thursday trough located east of the Marine
District.

At 10:00 a.m. NDT today ridge located from Ungava Bay to New
England.
By 10:00 a.m. NDT Thursday ridge located from Ungava Bay to the
Maritimes.

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