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Northern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NDT 22 April 2026

Today Tonight and Thursday.

Wind southeast 15 to 20 knots increasing to southeast 25 this morning then diminishing to west 15 to 20 Thursday morning.

Rain and fog banks with a risk of freezing rain Thursday morning becoming periods of snow or rain near noon Thursday. Visibility 1 mile or less in fog banks and in precipitation.

Temperatures plus 1 to plus 5 falling to zero Thursday morning.

Waves

Issued 06:00 PM NDT 21 April 2026
Tonight and Wednesday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM NDT 22 April 2026
Friday Wind variable 10 to 15 knots increasing to northeast 25 to 35 in the afternoon.
Saturday Wind east 35 knots becoming southwest 25 to 35.
Sunday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Special ice warning in effect. Bergy water except 1 tenth first-year ice in strips and patches in the northern section. Unusual presence of first-year ice in the northeastern section today and continuing Wednesday.  

[ 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 21 April 2026 Today Tonight and Wednesday

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

Special ice warning in effect.

Bergy water except 1 tenth first-year ice in strips and patches in
the northern section.
Unusual presence of first-year ice in the northeastern section today
and continuing Wednesday.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday

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

Northern Grand Banks

Issued 2:30 PM EDT 21 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 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 5740N 4850W
then eastward.

Iceberg Count

More than 100 icebergs.

Iceberg Bulletin

Flemish

Issued 2:30 PM EDT 21 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 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 5740N 4850W
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 21 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 22 April 2026 Today Tonight and Thursday At 3:00 a.m. NDT today low 1004 mb located south of the Grand Banks.
By 3:00 a.m. NDT Thursday low 1001 mb located over the Northeast
Coast of Newfoundland.

At 3:00 a.m. NDT today quasi-stationary ridge located on a line
north-south over the Gulf of St. Lawrence.

Marine Weather Statement

Issued 2:59 AM NDT 22 April 2026 A slowly intensifying low pressure system approaching from the south
is forecast to pass just east of the Avalon Peninsula this afternoon,
and then track northwestwards towards the Northern Peninsula on
Thursday where it will weaken. A period of strong to gale force
northwesterlies are forecast to the west of its track. Over southern
waters winds will diminish as the low moves away, while over northern
waters winds will diminish as the system weakens.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half, Northeast Coast, Belle Isle
Bank, and Southwestern Grand Banks.

Atlantic - Newfoundland Area

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