Gulf - Port au Port
Forecast
Marine Forecast
Issued 08:00 PM NDT 12 March 2025
Tonight and Thursday.
Wind northwest 25 knots diminishing to northwest 15 to 20 late overnight and to light near noon Thursday.
Freezing spray warning in effect.
Over open water freezing spray ending near noon Thursday.
Temperatures minus 10 to minus 6.
Waves
Issued 06:00 PM NDT 12 March 2025
Tonight and Thursday.
Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2
Thursday morning and to 1 or less Thursday evening.
Extended Forecast
Issued 03:30 PM NDT 12 March 2025
Friday
Wind southwest 10 to 15 knots increasing to
southwest 25 in the afternoon.
Saturday
Wind variable 10 to 15 knots.
Sunday
Wind variable 10 to 15 knots increasing to
southwest 15 to 20.
Ice Forecast
Issued 10:00 AM EDT 12 March 2025 Today Tonight and Thursday Open water except 9 tenths new ice including 1 tenth first-year ice
near Quebec coast. Consolidated first-year ice along parts of the
Quebec coast.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 12 March 2025 Today Tonight and ThursdayIce Edge
First ice edge estimated from New Brunswick near 4523N 6527W to4515N 6515W to 4430N 6615W to Nova Scotia near 4407N 6612W. Sea ice
east of the ice edge.
Second ice edge estimated from Nova Scotia near 4519N 6058W to 4545N
5800W to 4715N 5700W to Newfoundland near 4707N 5538W. Sea ice north
of the ice edge.
Ice Coverage
Open water except 9 tenths new ice including 1 tenth first-year ice
near Quebec coast. Consolidated first-year ice along parts of the
Quebec coast.
Iceberg Bulletin
Issued 3:40 PM EDT 12 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 13 Mar estimated from Newfoundland near4652N 5307W to 4815N 4645W to 5020N 4550W to 5340N 4745W to 5900N
5620W to 6020N 5530W then eastwards.
Western iceberg limit at 0000 UTC 13 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs east of thewestern iceberg limit.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Gulf - Port au Port
Issued 8:00 PM NDT 12 March 2025Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 8:00 PM NDT 12 March 2025 Tonight and Thursday At 8:00 p.m. NDT tonight low 996 mb located over southern LabradorSea.
By 3:30 p.m. NDT Thursday departing low 994 mb located north of
Labrador Sea.
At 8:00 p.m. NDT tonight ridge located over southern Quebec.
By 8:00 p.m. NDT Thursday ridge located over the Maritimes.
Marine Weather Statement
Issued 7:53 PM NDT 12 March 2025 A low pressure system over the Southern Labrador Sea will tracknortheastward across the Labrador Sea tonight and Thursday. Strong to
gale force southwesterlies to westerlies south of the low will
gradually diminish as it pulls away.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - western half and Northeast Gulf.
Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters, Southwest Coast, East Coast - north of Cape
St. Francis, and Northeast Coast.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern half
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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