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Northern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NDT 20 April 2026

Today Tonight and Tuesday.

Wind south 15 to 20 knots diminishing to south 10 to 15 this evening then becoming variable 10 to 15 overnight. Wind increasing to north 25 near noon Tuesday except variable 10 to 15 over eastern sections.

Showers and fog patches beginning early this morning.

Waves

Issued 06:00 AM NDT 20 April 2026
Today Tonight and Tuesday. Seas 1 to 2 metres.

Extended Forecast

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

Ice Forecast

Issued 10:00 AM EDT 19 April 2026 Today Tonight and Monday Special ice warning in effect. Bergy water except 2 tenths first-year ice in strips and patches in the northern section. Unusual presence of first-year ice in the northern section today and continuing Monday.  

[ Canadian Ice Service ]

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Weather Conditions

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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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Ice Conditions

Ice Forecasts

Northern 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

Special ice warning in effect.

Bergy water except 2 tenths first-year ice in strips and patches in
the northern section.
Unusual presence of first-year ice in the northern section today and
continuing Monday.

Ice Forecasts

Flemish

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

Northern 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

51 to 100 icebergs.

Iceberg Bulletin

Flemish

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

Warnings (In effect)

Special ice warning in effect

Northern Grand Banks

Issued 11:30 AM NDT 19 April 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

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

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