James Bay - northern half
Forecast
Marine Forecast
Issued 05:00 PM CST 11 December 2025
Tonight and Friday.
Wind north 25 knots backing to northwest 15 to 20 near midnight. Wind northwest 15 to 20 Friday.
Snow. Visibility as low as 1 mile in snow.
Freezing spray warning in effect.
Over open water freezing spray ending near midnight.
Temperatures near minus 3.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EST 11 December 2025 Today Tonight and FridayIce Edge
Ice edge estimated from Killiniq Island near 6025N 6454W to 5915N6734W to Baffin Island near 6152N 6608W. Sea ice southeast then west
of the ice edge.
Ice Coverage
3 tenths grey ice including 1 tenth grey-white ice except 9 tenths
grey ice including 2 tenths grey-white ice in the western section.
Consolidated grey-white ice along parts of the coasts.
Warnings
Warnings (In effect)
Freezing spray warning in effect
James Bay - northern half
Issued 5:00 PM CST 11 December 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 4:45 PM EST 11 December 2025 Tonight and Friday At 0000 UTC Friday quasi-stationary trough from low located from60N 50W to 56N 80W.
At 0000 UTC Friday quasi-stationary ridge from 1026 mb high located
at 67N 91W.
By 0000 UTC Friday low 1013 mb located at 61N 93W.
Hudson - Hudson Bay Area
- Arviat - eastern half
- Arviat - western half
- Baker
- Belcher - northern half
- Belcher - southern half
- Central - eastern half
- Central - western half
- Churchill - eastern half
- Churchill - western half
- Coats - northern half
- Coats - southern half
- East Foxe
- Frobisher Bay
- James Bay - northern half
- James Bay - southern half
- Lake Winnipegosis
- Lake Winnipeg - north basin
- Northwest Labrador Sea
- North Labrador Coast - north of Saglek
- Nottingham - eastern half
- Nottingham - western half
- Puvirnituq - northern half
- Puvirnituq - southern half
- Rankin - northern half
- Rankin - southern half
- Resolution - eastern half
- Resolution - western half
- Roes Welcome - northern half
- Roes Welcome - southern half
- South Hudson - eastern half
- South Hudson - western half
- South-central Hudson - eastern half
- South-central Hudson - western half
- Ungava
- West Brevoort - southern half
- West Foxe
- York - eastern half
- York - western half
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