Marine Forecast
Issued 05:00 AM CDT 04 October 2026
Today Tonight and Monday.
Gale warning in effect.
Wind southwest 20 knots backing to south 15 early this morning
then increasing to south 20 late this morning. Wind diminishing to south 15
early this afternoon and to light late this afternoon. Wind increasing to
northeast 30 early this evening and to north 40 late this evening. Wind
diminishing to north 30 Monday afternoon.
Rain ending this afternoon. Rain this evening. Showers
overnight.
Winds
Issued 05:00 AM CDT 04 October 2026
Today Tonight and Monday.
Gale warning in effect.
Wind southwest 20 knots backing to south 15 early this morning
then increasing to south 20 late this morning. Wind diminishing to south 15
early this afternoon and to light late this afternoon. Wind increasing to
northeast 30 early this evening and to north 40 late this evening. Wind
diminishing to north 30 Monday afternoon.
Waves
Issued 05:00 AM CDT 04 October 2026
Today Tonight and Monday.
Seas 2 metres building to 3 to 4 early this evening then
subsiding to 3 Monday afternoon. Seas subsiding to 2 Monday
evening.
Weather & Visibility
Issued 05:00 AM CDT 04 October 2026
Today Tonight and Monday.
Rain ending this afternoon. Rain this evening. Showers
overnight.
Ice Forecasts
Issued 11:00 AM EDT 5 September 2026 Forecasts are unavailable until further request.
Warnings (In effect)
James Bay - northern half
Issued 05:00 AM CDT 04 October 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.
Technical Marine Synopsis
Issued 4:45 AM EDT 4 October 2026 Today Tonight and Monday At 1200 UTC Sunday low 992 mb located at 68N 57W.
By 0000 UTC Tuesday low 1002 mb located at 75N 68W.
At 1200 UTC Sunday low 1005 mb located at 51N 84W.
By 0000 UTC Tuesday low 992 mb located at 50N 65W.
By 1200 UTC Monday ridge located on a line north-south over western
Hudson Bay.