James Bay - Marine Weather - Environment Canada Environment Canada https://www.weather.gc.ca 2026-07-11T09:47:19Z tag:weather.gc.ca,2013-04-16:20260711094719 https://www.weather.gc.ca/template/gcweb/v15.0.0/assets/wmms-alt.png https://www.weather.gc.ca/template/gcweb/v15.0.0/assets/favicon.ico Copyright 2026, Environment Canada Forecast for Today Tonight and Sunday. - James Bay 2026-07-11T10:00:00Z 2026-07-11T10:00:00Z Wind light increasing to south 20 knots this evening then veering to southwest 15 Sunday morning. Wind diminishing to light Sunday afternoon. Fog patches forming near midnight. <br/>Issued 05:00 AM CDT 11 July 2026 tag:weather.gc.ca,2013-04-16:06700_regular_forecast:20260711100000 Waves for Today Tonight and Sunday. - James Bay 2026-07-11T10:00:00Z 2026-07-11T10:00:00Z Over open water seas 1 metre or less building to 2 late overnight then subsiding to 1 Sunday morning.<br/>Issued 05:00 AM CDT 11 July 2026 tag:weather.gc.ca,2013-04-16:06700_waves:20260711100000 Extended Forecast - James Bay 2026-07-11T10:00:00Z 2026-07-11T10:00:00Z Monday: Wind light increasing to south 15 to 20 knots in the afternoon.<br/>Tuesday: Wind northwest 15 to 20 knots increasing to northwest 35 late in the day.<br/>Wednesday: Wind northwest 35 knots diminishing to northwest 25 to 30.<br/>Issued 05:00 AM CDT 11 July 2026 tag:weather.gc.ca,2013-04-16:06700_extended_forecast:20260711100000