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Northumberland Strait - western half


Marine Forecast

Issued 08:00 PM AST 26 February 2020

Tonight and Thursday.

Gale warning in effect.

Wind northerly 10 to 15 knots veering to northeast 15 near midnight then increasing to northeast 20 to 25 early Thursday morning. Wind veering to east 30 Thursday afternoon then increasing to east 40 early Thursday evening.

Snow Thursday late in the day. Fog patches dissipating Thursday morning. Visibility 1 mile or less in fog patches and in snow.

Over open water risk of freezing spray Thursday morning and afternoon.

Low tonight minus 5. High Thursday zero.

Extended Forecast

Issued 03:30 PM AST 26 February 2020
Friday Wind southwesterly 25 to 35 knots.
Saturday Wind southwest 20 knots diminishing to variable 10 to 15.
Sunday Wind variable 10 to 15 knots increasing to northerly 15 to 20.

Ice Forecast

Issued 10:00 AM EST 26 February 2020 Today Tonight and Thursday 4 tenths grey-white ice except 9 plus tenths first-year ice in the eastern section and along the Prince Edward Island coast. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Banquereau - 44139 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 Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Rocky Harbour 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 26 February 2020 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Nova Scotia near 4430N 6335W to 4515N
6055W to 4555N 5935W to 4520N 5830W to 4635N 5750W to 4730N 5830W to
Newfoundland near 4710N 5525W. Sea ice north of the ice edge.

Second ice edge estimated from New Brunswick near 4530N 6515W to
Nova Scotia near 4510N 6445W. Sea ice east of the ice edge.

Ice Coverage

4 tenths grey-white ice except 9 plus tenths first-year ice in the
eastern section and along the Prince Edward Island coast.


Warnings (In effect)

Gale warning in effect

Northumberland Strait

Issued 8:00 PM AST 26 February 2020

'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.


Technical Marine Synopsis

Issued 8:00 PM AST 26 February 2020 Tonight and Thursday At 8:00 p.m. AST tonight ridge located on a line northwest-southeast
over eastern Nova Scotia.
By 10:00 a.m. AST Thursday departing ridge located east of

At 8:00 p.m. AST tonight intensifying low 1002 mb located southeast
of the Great Lakes.
By 8:00 p.m. AST Thursday low 986 mb located over Maine.

Marine Weather Statement

Issued 7:40 PM AST 26 February 2020 A low pressure system will intensify southeast of the Great Lakes
this evening and approach the district on Thursday to lie over Maine
by Thursday evening. Winds will increase to gale to storm force
easterlies across the district on Thursday ahead of the low then
shift to gale force southwesterlies in its wake.

These very strong easterly winds will result in higher than normal
water levels in the Gulf of St Lawrence along east to northeast
facing coastlines of Eastern New Brunswick, Prince Edward Island,
Cape Breton Island and Îles-de-la-Madeleine during high tide Thursday
evening and Thursday night. Ice rafting against the coast may also

Marine interests are advised that storm warnings are in effect for
Grand Manan, Lurcher, eastern shore - eastern half, Sable - eastern
half, Fourchu, Cabot Strait, and Gulf-Magdalen. Gale warnings are in
effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf-Magdalen, Chaleur-Miscou, and Anticosti.

Atlantic - Newfoundland Area

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