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Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 30 April 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind south 30 knots veering to southwest 25 this evening except variable 10 to 15 over northern sections. Wind increasing to northwest 35 late overnight then diminishing to northwest 25 Thursday afternoon.

Rain and fog banks changing to flurries or showers this evening.

Waves

Issued 06:00 AM NDT 30 April 2025
Today Tonight and Thursday. Seas 3 to 4 metres subsiding to 2 to 3 this afternoon then building to 3 to 5 near midnight. Seas subsiding to 2 to 3 Thursday afternoon.

Extended Forecast

Issued 03:00 AM NDT 30 April 2025
Friday Wind northwest 15 to 20 knots backing to southwest 10 to 15 in the afternoon.
Saturday Wind south 25 knots.
Sunday Wind south 25 knots.

Ice Forecast

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday Bergy water except consolidated rotten first-year ice in a few bays. 

[ 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:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to
4959N 6028W to 5057N 5758W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.

Ice Coverage

Bergy water except consolidated rotten first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:50 PM EDT 29 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 30 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4715N
3340W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 30 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
western iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Port au Port

Issued 10:00 AM NDT 30 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 30 April 2025 Today Tonight and Thursday At 10:00 a.m. NDT today low 987 mb located west of Anticosti Island.
By 10:00 a.m. NDT Thursday low 995 mb located over the Northeast
Coast of Newfoundland.

At 10:00 a.m. NDT today weakening trough located on a line
northeast-southwest over Labrador Sea.

At 10:00 a.m. NDT today ridge located on a line northeast-southwest
over the southern Grand Banks.
By 8:00 p.m. NDT tonight departing ridge located southeast of the
Grand Banks.

Marine Weather Statement

Issued 9:37 AM NDT 30 April 2025 A low pressure system over Quebec will track east today to lie over
the Northeast Coast of Newfoundland early Thursday morning. Strong to
gale force west to northwesterly winds will develop in the wake of
the low tonight.

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

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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