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Southwest Coast

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 27 April 2025

Today Tonight and Monday.

Gale warning in effect.

Wind south 35 knots except east 35 along the coast late this morning. Wind diminishing to south 25 this evening and to variable 15 late overnight. Wind increasing to northeast 25 Monday afternoon with gusts to 35 along the coast.

Rain and fog. Risk of thunderstorms late this morning.

Waves

Issued 06:00 AM NDT 27 April 2025
Today Tonight and Monday. Seas 2 to 3 metres building to 3 to 4 this morning then subsiding to 2 to 3 Monday morning.

Extended Forecast

Issued 03:00 AM NDT 27 April 2025
Tuesday Wind northeast 25 knots diminishing to variable 10 to 15 in the afternoon.
Wednesday Wind south 25 knots increasing to west 25 to 35.
Thursday Wind northwest 35 knots.

Ice Forecast

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

[ 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

First ice edge estimated from Quebec near 4832N 6412W to 4835N 6404W
to 4844N 6402W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 5011N 6057W to 4955N
6023W to 5107N 5730W to Newfoundland near 5029N 5728W. Sea ice north
then east of the ice edge.

Ice Coverage

Ice free.

 

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.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest 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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