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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 20 April 2026

Today Tonight and Tuesday.

Wind southeast 20 knots veering to south 15 to 20 this morning then diminishing to northwest 10 to 15 this evening. Wind increasing to northwest 25 overnight then veering to northeast 25 near noon Tuesday.

Showers changing to rain overnight. Fog patches today and tonight and fog patches over southeastern sections Tuesday.

Waves

Issued 06:00 PM NDT 19 April 2026
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM NDT 20 April 2026
Wednesday Wind northeast 25 knots backing to northwest 25 in the afternoon.
Thursday Wind northwest 25 knots.
Friday Wind variable 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 19 April 2026 Today Tonight and Monday Bergy water.  

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 19 April 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4647N 4645W
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 19 April 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4647N 4645W
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 19 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near
4655N 5400W to 4435N 5200W to 4415N 4710W 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 19 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near
4655N 5400W to 4435N 5200W to 4415N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 20 April 2026 Today Tonight and Tuesday At 3:00 a.m. NDT today departing ridge located east of the Grand
Banks.

At 3:00 a.m. NDT today trough located on a line north-south over
the Gulf of St. Lawrence.
By 3:00 a.m. NDT Tuesday trough located on a line
northeast-southwest over eastern Newfoundland.

Marine Weather Statement

Issued 2:53 AM NDT 20 April 2026 A trough of low pressure over the Gulf of St. Lawrence will slowly
track eastward across Newfoundland today before lying over Eastern
Newfoundland by overnight tonight. Strong to gale force southerlies
ahead of the trough will shift to strong westerlies to northerlies in
its wake.

Marine interests are advised that a gale warning is in effect for
Gulf - Port au Port.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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