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Government of Canada / Gouvernement du Canada

Gulf - Port au Port

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 19 March 2026

Today Tonight and Friday.

Wind light increasing to south 10 to 15 knots Friday afternoon and to south 15 to 20 Friday evening.

Flurries ending this evening. Flurries Friday.

Temperatures minus 12 to minus 6 rising to minus 3 overnight.

Waves

Issued 06:00 AM NDT 19 March 2026
Today Tonight and Friday. Outside the ice edge seas 1 to 2 metres subsiding to 1 or less this afternoon.

Extended Forecast

Issued 03:00 AM NDT 19 March 2026
Saturday Wind southwest 20 knots diminishing to variable 10 to 15 late in the day.
Sunday Wind northeast 25 knots diminishing to northeast 15.
Monday Wind northeast 15 knots increasing to northeast 25.

Ice Forecast

Issued 10:00 AM EDT 18 March 2026 Today Tonight and Thursday Open water except 5 tenths grey-white ice including 1 tenth first-year ice along parts of the Quebec coast. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 18 March 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4549N 5848W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

Open water except 5 tenths grey-white ice including 1 tenth
first-year ice along parts of the Quebec coast. Consolidated
first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 3:08 PM EDT 18 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Mar estimated from Newfoundland near
4640N 5310W to 4530N 4530W to 4530N 4400W to 4815N 4240W to 5200N
4700W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 19 March 2026 Today Tonight and Friday At 3:00 a.m. NDT today trough located east of the Grand Banks.
By 10:00 a.m. NDT today departing trough located east of the
Marine District.

At 3:00 a.m. NDT today trough located south of the Marine District.
By 3:00 a.m. NDT Friday trough located on a line northeast-southwest
over the southern Grand Banks.

At 3:00 a.m. NDT today ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.
By 3:00 a.m. NDT Friday ridge located on a line east-west over
Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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