James Bay - northern half
Forecast
Marine Forecast
Issued 05:00 AM CDT 15 June 2025
Today Tonight and Monday.
Wind north 10 to 15 knots diminishing to light early this morning then increasing to south 15 to 20 late this afternoon. Wind veering to southwest 25 after midnight then diminishing to north 10 to 15 Monday morning.
Showers overnight and Monday.
Temperatures minus 3 rising to plus 11 near noon Monday then falling to plus 4 Monday afternoon.
Waves
Issued 05:00 AM CDT 15 June 2025
Today Tonight and Monday.
Outside the ice edge seas 1 metre or less.
Extended Forecast
Issued 05:00 AM CDT 15 June 2025
Tuesday
Wind southeast 10 to 15 knots increasing to
north 20 to 25 in the afternoon.
Wednesday
Wind northwest 15 to 20 knots.
Thursday
Wind northwest 15 knots increasing to south
25 late in the day.
Ice Forecast
Issued 11:00 AM EDT 15 June 2025 Today Tonight and Monday 4 tenths first-year ice except 7 tenths first-year ice in the western section.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 15 June 2025 Today Tonight and MondayIce Edge
Ice edge is outside the forecast region.Ice Coverage
4 tenths first-year ice except 7 tenths first-year ice in the western section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 4:45 AM EDT 15 June 2025 Today Tonight and Monday At 1200 UTC Sunday low 1000 mb located over Southampton Island.By 0000 UTC Tuesday weakening low 1000 mb located east of Hudson
Strait.
At 1200 UTC Sunday high located over western Hudson Bay.
By 0000 UTC Monday high located over James Bay.
At 1200 UTC Sunday quasi-stationary high located 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: