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South Coast

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 27 April 2025

Today Tonight and Monday.

Gale warning in effect.

Wind southeast 25 knots increasing to south 35 near noon and locally gusts to 45 along the coast this evening. Wind becoming southwest 25 to 35 near midnight then diminishing to variable 15 to 20 Monday morning. Wind increasing to northeast 25 Monday afternoon.

Rain and fog banks. Risk of thunderstorms late this morning.

Waves

Issued 06:00 AM NDT 27 April 2025
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 this afternoon.

Extended Forecast

Issued 03:00 AM NDT 27 April 2025
Tuesday Wind northeast 25 knots diminishing to northeast 15 to 20 in the afternoon and to light late in the day.
Wednesday Wind light increasing to south 25 knots.
Thursday Wind west 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday Bergy water. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135W
to 5410N 5113W to 5629N 5651W to 6129N 5944W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 2:30 PM EDT 26 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 27 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 27 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

South Coast

Issued 10:00 AM NDT 27 April 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 27 April 2025 Today Tonight and Monday At 10:00 a.m. NDT today low 1001 mb located over Maine.
By 10:00 a.m. NDT Monday low 1004 mb located over Cape Breton
Island.

At 10:00 a.m. NDT today trough from low located on a line
northeast-southwest over the Gulf of St. Lawrence.
By 10:00 a.m. NDT Monday trough from low located on a line
northeast-southwest over Newfoundland.

At 10:00 a.m. NDT today departing ridge located over the eastern
Grand Banks.

Marine Weather Statement

Issued 9:44 AM NDT 27 April 2025 A low pressure system over Maine will gradually cross the Maritimes
today to move south of Newfoundland Monday. An associated trough
extending northeast of the low will cross Newfoundland tonight and
Monday. Strong to gale force southeasterlies to southwesterlies will
spread across all waters today and tonight ahead of these features.
Winds will shift to strong to gale force northerlies to
northeasterlies on Monday in their wake.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle - western half.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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