James Bay - southern half
Forecast
Marine Forecast
Issued 05:00 AM CDT 12 June 2025
Today Tonight and Friday.
Wind northwest 20 knots diminishing to northwest 15 early this evening and to light near midnight. Wind light Friday.
Showers ending early this morning.
Temperatures plus 2 rising to plus 9 Friday afternoon then falling to plus 4 Friday evening.
Waves
Issued 05:00 AM CDT 12 June 2025
Today Tonight and Friday.
Outside the ice edge seas 1 metre.
Extended Forecast
Issued 05:00 AM CDT 12 June 2025
Saturday
Wind light increasing to south 15 to 20 knots
in the afternoon.
Sunday
Wind south 15 to 20 knots diminishing to light
late in the day.
Monday
Wind east 10 to 15 knots backing to north 10 to
15.
Ice Forecast
Issued 11:00 AM EDT 11 June 2025 Today Tonight and Thursday 3 tenths first-year ice except 8 tenths first-year ice in the northeastern section.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 11 June 2025 Today Tonight and ThursdayIce Edge
Ice edge is outside the forecast region.Ice Coverage
3 tenths first-year ice except 8 tenths first-year ice in the northeastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 4:45 AM EDT 12 June 2025 Today Tonight and Friday At 1200 UTC Thursday low 999 mb located over northern Baffin Island.By 0000 UTC Saturday low 999 mb located over northern Foxe Basin.
At 1200 UTC Thursday weakening low 983 mb located over Labrador Sea.
By 0000 UTC Saturday low 999 mb located over eastern Davis Strait.
At 1200 UTC Thursday dissipating ridge from high located on a line
northeast-southwest over central Hudson Bay.
At 1200 UTC Thursday dissipating ridge located over eastern
Davis Strait.
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
- 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 - eastern half
- Ungava - western half
- West Brevoort - southern half
- West Foxe
- York - eastern half
- York - western half
Another Region
- Date modified: