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James Bay

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CDT 13 July 2026

Today Tonight and Tuesday.

Wind light increasing to south 20 knots late this morning then diminishing to south 15 early this afternoon. Wind diminishing to light late this afternoon then increasing to west 25 after midnight. Wind diminishing to northwest 15 late overnight and to light Tuesday morning. Wind increasing to northwest 25 Tuesday afternoon then diminishing to northwest 15 Tuesday evening.

Showers this evening with a risk of thunderstorms. Showers Tuesday with a risk of thunderstorms. Fog dissipating overnight.

Waves

Issued 05:00 AM CDT 13 July 2026
Today Tonight and Tuesday. Outside the ice edge seas 1 metre or less.

Extended Forecast

Issued 05:00 AM CDT 13 July 2026
Wednesday Wind west 30 knots diminishing to northwest 20 in the morning.
Thursday Wind northwest 25 knots.
Friday Wind light.

Ice Forecast

Issued 11:00 AM EDT 13 July 2026 Today Tonight and Tuesday Open water except 4 tenths first-year ice in the extreme northern section. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Hudson - Hudson Bay marine weather areas Fort Severn Airport Churchill Airport Peawanuck Airport Moosonee Airport Coral Harbour Airport Salluit Airport Kuujjuarapik Airport Puvirnituq Airport Umiujaq Airport Aupaluk Airport Kangiqsujuaq Airport Kangirsuk Airport Kangiqsualujjuaq Airport Kuujjuaq Airport Quaqtaq Airport Baker Lake Airport Tasiujaq Airport Cape Kakkiviak Kimmirut Airport Wager Bay Iqaluit Airport Kinngait (Cape Dorset Airport) Whale Cove Airport Sanikiluaq Airport Rankin Inlet Airport Inukjuak Airport Arviat Airport Akulivik Airport Chesterfield Inlet Airport Wemindji Airport Waskaganish Airport La Grande Rivière Airport Eastmain Airport Ivujivik Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 13 July 2026 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Quebec near 5747N 7658W to 5807N 7839W
to 6036N 8354W to Nunavut near 6012N 9441W. Sea ice south of the ice
edge.

Second ice edge estimated from Nunavut near 6451N 8715W to
Southampton Island near 6446N 8615W. Sea ice north of the ice edge.

Third ice edge estimated from Southampton Island near 6327N 8105W to
6251N 7850W to 6324N 7542W to Baffin Island near 6419N 7610W. Sea
ice north then west of the ice edge.

Fourth ice edge estimated from Baffin Island near 6222N 6858W to
6056N 6707W to 6108N 6307W then northeastward. Sea ice north of the
ice edge.

Ice Coverage

Open water except 4 tenths first-year ice in the extreme northern
section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:45 AM EDT 13 July 2026 Today Tonight and Tuesday At 1200 UTC Monday dissipating low 1001 mb located at 75N 65W.

At 1200 UTC Monday trough from 997 mb low located from 59N 87W to
67N 104W.
By 0000 UTC Wednesday trough from 988 mb low located from 57N 78W
to 64N 88W.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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