James Bay - southern half
Forecast
Marine Forecast
Issued 05:00 AM CDT 23 June 2025
Today Tonight and Tuesday.
Wind east 20 to 25 knots diminishing to light late this afternoon then increasing to west 15 to 20 this evening. Wind increasing to west 25 to 30 Tuesday morning then diminishing to northwest 10 to 15 Tuesday evening.
Rain changing to showers near noon and ending Tuesday morning. Risk of thunderstorms late this afternoon.
Waves
Issued 05:00 AM CDT 23 June 2025
Today Tonight and Tuesday.
Outside the ice edge seas 1 metre or less.
Extended Forecast
Issued 05:00 AM CDT 23 June 2025
Wednesday
Wind light.
Thursday
Wind light becoming north 10 to 15
knots.
Friday
Wind east 15 knots diminishing to
light.
Ice Forecast
Issued 11:00 AM EDT 22 June 2025 Today Tonight and Monday 2 tenths first-year ice except 6 tenths first-year ice in the northeastern section.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 22 June 2025 Today Tonight and MondayIce 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 23 June 2025 Today Tonight and Tuesday At 1200 UTC Monday dissipating low 1002 mb located over southernBaffin Island.
At 1200 UTC Monday dissipating ridge located on a line east-west
over central Hudson Bay.
At 1200 UTC Monday low 1004 mb located over northwestern Ontario.
By 0000 UTC Wednesday low 997 mb located over Labrador.
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
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