James Bay - southern half
Forecast
Marine Forecast
Issued 05:00 PM CDT 20 June 2025
Tonight and Saturday.
Wind light increasing to south 15 knots this evening then backing to southeast 20 late Saturday morning. Wind veering to south 15 Saturday evening.
Showers Saturday evening.
Waves
Issued 05:00 PM CDT 20 June 2025
Tonight and Saturday.
Over open water seas 1 metre or less building to 1 to 2 late
Saturday morning.
Extended Forecast
Issued 05:00 PM CDT 20 June 2025
Sunday
Wind north 20 knots.
Monday
Wind north 20 knots veering to east
20.
Tuesday
Wind light increasing to west 20
knots.
Ice Forecast
Issued 11:00 AM EDT 20 June 2025 Today Tonight and Saturday 2 tenths first-year ice except 6 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 20 June 2025 Today Tonight and SaturdayIce Edge
Ice edge is outside the forecast region.Ice Coverage
2 tenths first-year ice except 6 tenths first-year ice in the northeastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 4:45 AM EDT 21 June 2025 Today Tonight and Sunday At 1200 UTC Saturday low 1000 mb located over western Hudson Strait.By 0000 UTC Monday low 1001 mb located over western Davis Strait.
By 0000 UTC Monday ridge located on a line east-west over southern
Hudson Bay.
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: