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James Bay - northern half


Marine Forecast

Issued 05:00 AM CDT 01 October 2023

Today Tonight and Monday.

Gale warning in effect.

Wind light becoming southwest 15 knots late this morning then becoming north 15 late this afternoon. Wind diminishing to light late this evening then increasing to southeast 15 late overnight. Wind increasing to southeast 30 Monday morning then veering to southwest 25 Monday afternoon. Wind increasing to west 35 Monday evening.

Rain Monday. Risk of thunderstorms Monday afternoon and evening. Visibility 1 mile or less in rain.


Issued 05:00 AM CDT 01 October 2023
Today Tonight and Monday. Seas 1 metre building to 2 Monday afternoon.

Extended Forecast

Issued 05:00 AM CDT 01 October 2023
Tuesday Wind west 25 knots veering to north 25 in the morning then diminishing to north 15 in the afternoon.
Wednesday Wind east 20 knots increasing to northeast 30.

Ice Forecast

Issued 11:00 AM EDT 1 October 2023 Today Tonight and Monday Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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Weather Conditions

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

Ice Forecasts

Issued 11:00 AM EDT 1 October 2023 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nunavut near 6914N 8134W to 6924N 8111W to
Baffin Island near 6952N 8146W. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Gale warning in effect

James Bay - northern half

Issued 05:00 AM CDT 01 October 2023

'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 or Weatheradio stations.


Technical Marine Synopsis

Issued 4:45 AM EDT 1 October 2023 Today Tonight and Monday At 1200 UTC Sunday low 992 mb located at 66N 81W.
By 0000 UTC Tuesday low 1005 mb located at 65N 72W.

At 1200 UTC Sunday trough from low located from 66N 81W to 61N
60W then to 54N 52W.
By 0000 UTC Tuesday low 997 mb located at 61N 56W.

At 1200 UTC Sunday ridge from 1029 mb high located from 58N 104W
to 51N 78W.
By 0000 UTC Tuesday ridge from 1020 mb high located on a line
east-west over southern Hudson Bay.

Hudson - Hudson Bay Area

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