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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 11 March 2025

Tonight and Wednesday.

Wind southerly 25 knots becoming northwest 25 Wednesday morning then diminishing to northwest 15 to 20 Wednesday afternoon.

Showers beginning overnight becoming flurries or showers Wednesday morning and ending near noon Wednesday. Visibility 1 mile or less in precipitation.

Over open water risk of freezing spray Wednesday afternoon and evening.

Temperatures plus 2 falling to minus 4 Wednesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 11 March 2025
Thursday Wind northwest 10 to 15 knots diminishing to light in the morning.
Friday Wind southwest 15 knots diminishing to light.
Saturday Wind south 15 knots.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday 5 tenths new ice including 1 tenth first-year ice except 9 plus tenths grey-white ice including 4 tenths first-year ice along the southern Prince Edward Island coast and Cape Breton Island coast. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4511N 6517W to 4409N 6639W to Nova Scotia near 4417N 6608W. Sea ice
northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4519N 6058W to 4547N
5829W to 4720N 5632W to Newfoundland near 4706N 5547W. Sea ice north
of the ice edge.

Ice Coverage

5 tenths new ice including 1 tenth first-year ice except 9 plus
tenths grey-white ice including 4 tenths first-year ice along the
southern Prince Edward Island coast and Cape Breton Island coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 11 March 2025 Tonight and Wednesday At 8:00 p.m. ADT tonight ridge located on a line north-south over
the eastern Marine District.
By 3:00 a.m. ADT Wednesday ridge located over the Grand Banks.

At 8:00 p.m. ADT tonight trough located near the St. Lawrence River.
By 3:00 a.m. ADT Wednesday trough located from Anticosti Island
to the Gulf of Maine.

At 8:00 p.m. ADT Wednesday weakening trough located over the
eastern Marine District.

Marine Weather Statement

Issued 7:49 PM ADT 11 March 2025 A trough of low pressure approaching the district from the west will
cross the marine district later tonight. Strong to gale force
southerly winds will develop ahead of the trough then shift to strong
to gale force westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf-Magdalen, Chaleur-Miscou and
Anticosti. Freezing spray warnings are in effect for Gulf-Magdalen,
Chaleur-Miscou and Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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