Northumberland Strait - western half
Forecast
Marine Forecast
Issued 03:00 AM ADT 13 March 2026
Today Tonight and Saturday.
Wind northwesterly 25 knots diminishing to light this evening then increasing to southeast 15 overnight. Wind increasing to east 25 Saturday morning then backing to northeast 30 Saturday afternoon. Wind backing to north 25 Saturday evening.
Scattered flurries ending this morning. Snow Saturday. Visibility 1 mile or less in snow.
Over open water risk of freezing spray today.
Temperatures zero falling to minus 5 this morning then rising to zero Saturday afternoon.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 03:00 AM ADT 13 March 2026
Sunday
Wind northwest 25 knots diminishing to variable
10 to 15 in the afternoon.
Monday
Wind southeast 15 knots increasing to south
30.
Tuesday
Wind south 35 knots.
Ice Forecast
Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday 6 tenths first-year ice.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 12 March 2026 Today Tonight and FridayIce Edge
Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.
Ice Coverage
6 tenths first-year ice.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 13 March 2026 Today Tonight and Saturday At 3:00 a.m. ADT today trough located on a line northeast-southwestover the central Marine District.
By 8:00 p.m. ADT tonight departing trough located east of the
Grand Banks.
At 3:00 a.m. ADT Saturday low 999 mb located over southern Ontario.
By 8:00 p.m. ADT Saturday low 1000 mb located over eastern Nova
Scotia.
Marine Weather Statement
Issued 2:49 AM ADT 13 March 2026 A trough of low pressure over the central marine district thismorning will move eastward across eastern waters today. Strong to
gale force southerlies ahead of the trough will shift to strong to
gale force westerlies in its wake.
A second trough of low pressure will approach the region from the
west on Saturday. Strong to gale force southeasterlies ahead of this
low will shift to strong to gale force westerlies in the wake of the
low Saturday evening.
Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Grand Manan, Lurcher, Browns Bank,
southwestern shore, Northumberland Strait, Chaleur - Miscou - western
half, and Anticosti - northern half.
Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.
Atlantic - Newfoundland Area
- Anticosti - northern half
- Anticosti - southern half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northwestern half
- Gulf - Magdalen - southeastern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable - eastern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle
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