Laurentian Fan
Forecast
Marine Forecast
Issued 03:00 AM ADT 12 March 2025
Today Tonight and Thursday.
Wind southeast 10 to 15 knots increasing to southeast 20 early this morning then becoming variable 15 to 20 this evening. Wind increasing to north 25 after midnight. Wind north 25 Thursday.
Showers and fog patches tonight and Thursday morning.
Temperatures plus 3 falling to minus 1 near noon Thursday.
Waves
Issued 05:00 PM ADT 11 March 2025
Tonight and Wednesday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:00 AM ADT 12 March 2025
Friday
Wind north 15 to 20 knots diminishing to light
in the morning then becoming southwest 15 late in the day.
Saturday
Wind southerly 15 to 20 knots.
Sunday
Wind southwest 15 knots increasing to southwest
25.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 11 March 2025 Today Tonight and WednesdayIce Edge
First ice edge estimated from New Brunswick near 4523N 6527W to4511N 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
Ice free.
Iceberg Bulletin
Issued 2:41 PM EDT 11 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near4700N 5315W to 4825N 4710W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6020N 5530W then eastwards.
Western iceberg limit at 0000 UTC 12 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 12 March 2025 Today Tonight and Thursday At 3:00 a.m. ADT today trough located from Anticosti Island toNew Brunswick.
By 8:00 p.m. ADT tonight departing trough located over Banquereau.
At 8:00 p.m. ADT tonight building ridge located over the
St. Lawrence River.
Marine Weather Statement
Issued 2:47 AM ADT 12 March 2025 A trough of low pressure over New Brunswick will travel east acrossthe marine district today. 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 Cabot Strait,
Gulf-Magdalen, Chaleur-Miscou, and Anticosti.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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