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East Coast - north of Cape St. Francis

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 21 April 2026

Tonight and Wednesday.

Wind northwest 25 knots and locally gusts to 35 along the coast overnight and Wednesday. Wind diminishing to variable 15 to 20 Wednesday afternoon.

Rain or freezing rain.

Temperatures near zero.

Waves

Issued 06:00 PM NDT 21 April 2026
Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 Wednesday evening.

Extended Forecast

Issued 03:30 PM NDT 21 April 2026
Thursday Wind west 15 to 20 knots diminishing to west 10 to 15 late in the day.
Friday Wind variable 10 to 15 knots increasing to north 25.
Saturday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Bergy water. Consolidated rotten first-year ice in a few sheltered bays. 

[ 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

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

Bergy water. Consolidated rotten first-year ice in a few sheltered
bays.

 

Iceberg Bulletin

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

10 to 25 icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 21 April 2026 Tonight and Wednesday At 8:00 p.m. NDT tonight low 1008 mb located south of Laurentian
Fan.
By 8:00 p.m. NDT Wednesday low 1003 mb located northeast of the
Avalon Peninsula.

At 8:00 p.m. NDT tonight trough located from the low to Funk
Island Bank.
By 8:00 p.m. NDT Wednesday trough located from the low to Belle
Isle Bank.

At 8:00 p.m. NDT tonight quasi-stationary ridge located on a line
north-south over the Gulf of St. Lawrence.

Marine Weather Statement

Issued 7:55 PM NDT 21 April 2026 A developing low pressure system approaching from the south is
forecast to pass just east of the Avalon Peninsula on Wednesday.
An associated trough extending northeastward from the low will pivot
west to northwestwards later Wednesday. Strong to gale force
northerlies will develop the west of the low and trough.

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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Marine Weather for Canada

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