Southeastern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 13 May 2026
Today Tonight and Thursday.
Gale warning in effect.
Wind southeast 40 knots diminishing to southwest 25 this morning and to southwest 15 to 20 Thursday morning. Wind diminishing to southwest 10 to 15 Thursday evening.
Rain ending near noon. Fog dissipating this morning.
Waves
Issued 06:00 PM NDT 12 May 2026
Tonight and Wednesday.
Seas 2 to 3 metres building to 3 to 5 this evening.
Extended Forecast
Issued 03:00 AM NDT 13 May 2026
Friday
Wind southeast 25 to 35 knots becoming
southwest 25 to 30 in the afternoon.
Saturday
Wind southwest 25 to 35 knots.
Sunday
Wind west 35 knots diminishing to southwest
25.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southeastern Grand Banks
Issued 10:00 AM EDT 12 May 2026 Today Tonight and WednesdayIce Edge
First ice edge estimated from Quebec near 5134N 5643W toNewfoundland near 5138N 5554W. Sea ice northeast of the ice edge.
Second ice edge estimated from Newfoundland near 5000N 5531W to
5130N 5300W to 5515N 5300W to 5636N 5618W to 6200N 6024W then
northeastward. Sea ice west of the ice edge.
Ice Coverage
Bergy water.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 12 May 2026 Today Tonight and WednesdayIce Edge
First ice edge estimated from Quebec near 5134N 5643W toNewfoundland near 5138N 5554W. Sea ice northeast of the ice edge.
Second ice edge estimated from Newfoundland near 5000N 5531W to
5130N 5300W to 5515N 5300W to 5636N 5618W to 6200N 6024W then
northeastward. Sea ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southeastern Grand Banks
Issued 3:29 PM EDT 12 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.
Iceberg Count
10 to 25 icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 3:29 PM EDT 12 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southeastern Grand Banks
Issued 03:00 AM NDT 13 May 2026'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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 13 May 2026 Today Tonight and Thursday At 3:00 a.m. NDT today intensifying low 995 mb located overNewfoundland.
By 8:00 p.m. NDT tonight departing low 988 mb located over Belle
Isle Bank.
At 3:00 a.m. NDT today ridge located on a line north-south over
central Quebec.
By 3:00 a.m. NDT Thursday ridge located on a line
northwest-southeast over the Maritimes.
Marine Weather Statement
Issued 2:31 AM NDT 13 May 2026 An intensifying low pressure system over Newfoundland will tracknortheastward to lie over Belle Isle Bank later today.
Strong to gale force southeasterlies east of the low become strong to
gale force westerlies in its wake.
Marine interests are advised that gale warnings are in effect for all
waters.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northeastern half
- Banquereau - southwestern half
- Belle Isle Bank - northwestern half
- Belle Isle Bank - southeastern half
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan - eastern half
- Laurentian Fan - western half
- Mid Labrador Coast - Hopedale and south
- Northeast Coast - Cape St. John and south
- Northeast Coast - north of Cape St. John
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait
- Sable - eastern half
- 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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- Date modified:
ATOM