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James Bay - northern half


Marine Forecast

Issued 05:00 AM CDT 29 July 2021

Today Tonight and Friday.

Wind northwest 20 knots increasing to northwest 30 early this afternoon then diminishing to north 20 Friday morning. Wind diminishing to north 15 Friday afternoon.

Showers Friday morning.


Issued 05:00 AM CDT 29 July 2021
Today Tonight and Friday. Seas 2 metres building to 3 early this afternoon then subsiding to 2 after midnight. Seas subsiding to 1 Friday afternoon.

Extended Forecast

Issued 05:00 AM CDT 29 July 2021
Saturday Wind north 15 knots diminishing to light in the morning then becoming north 15 late in the day.
Sunday Wind north 20 knots diminishing to light late in the day.
Monday Wind southwest 15 knots increasing to southwest 20.

Ice Forecast

Issued 11:00 AM EDT 29 July 2021 Today Tonight and Friday Ice free. 

[ 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
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 29 July 2021 Today Tonight and Friday

Ice Edge

First ice edge estimated from Nunavut near 6555N 8617W to
Southampton Island near 6546N 8553W. Sea ice northeast of the ice

Second ice edge estimated from Southampton Island near 6357N 8033W
to Baffin Island near 6425N 7759W. Sea ice northwest of the ice

Third ice edge estimated from Ontario near 5510N 8241W to 5709N
8217W to 5745N 8557W to Ontario near 5557N 8718W. Sea ice within the
ice edge.

Ice Coverage

Ice free.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 4:45 AM EDT 29 July 2021 Today Tonight and Friday At 1200 UTC Thursday dissipating trough located from 71N 89W to
54N 77W.

At 1200 UTC Thursday departing ridge located on a line
northeast-southwest over southwestern Hudson Bay.

At 1200 UTC Thursday low 1006 mb located at 57N 60W.
By 0000 UTC Saturday low 997 mb located at 59N 60W.

By 0000 UTC Saturday low 1010 mb located over western Hudson Bay.

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