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James Bay - southern half

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 05 November 2026

Today Tonight and Friday.

Gale warning in effect.

Wind north 25 knots increasing to north 35 early this evening then diminishing to northeast 25 late overnight. Wind diminishing to northeast 15 Friday morning and to light Friday afternoon.

Showers ending this morning.

Waves

Issued 05:00 AM CST 05 November 2026
Today Tonight and Friday. Seas 1 metre building to 2 this morning and to 3 early this evening. Seas subsiding to 1 Friday morning.

Extended Forecast

Issued 05:00 AM CST 05 November 2026
Saturday Wind light becoming south 15 knots late in the day.
Sunday Wind south 20 knots diminishing to light.
Monday Wind northwest 15 knots.

Ice Forecast

Issued 11:00 AM EST 5 November 2026 Today Tonight and Friday Open water. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 11:00 AM EST 5 November 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from Quebec near 5903N 6546W to 5854N 6735W
to 5928N 6909W to 6106N 6901W to 6249N 7412W to 6232N 8013W to 6136N
8037W to Quebec near 5926N 7756W. Sea ice south then east of the ice
edge.

Second ice edge estimated from Ontario near 5510N 8221W to 5909N
9349W to 6156N 9218W to 6343N 8806W to 6147N 8310W to 6346N 7938W to
6520N 8308W to Nunavut near 6700N 8130W. Sea ice west of the ice
edge.

Third ice edge estimated from Nunavut near 6728N 8112W to 6804N
8018W to 6550N 7536W to 6535N 7831W to Baffin Island near 6443N
7818W. Sea ice north then east of the ice edge.

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

James Bay - southern half

Issued 05:00 AM CST 05 November 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 4:45 PM EST 5 November 2026 Tonight and Friday At 0000 UTC Friday trough located on a line north-south over
western Davis Strait.
By 0000 UTC Saturday low 990 mb located at 69N 58W.

At 0000 UTC Friday ridge from 1028 mb high located from James Bay
to Ungava Bay.
By 0000 UTC Saturday ridge from 1029 mb high located from Labrador
to Greenland.

By 0000 UTC Saturday low 989 mb located at 64N 88W.

Hudson - Hudson Bay Area

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