Lake Nipissing - Marine Weather - Environment Canada Environment Canada https://www.weather.gc.ca 2026-09-13T08:56:36Z tag:weather.gc.ca,2013-04-16:20260913085636 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 Monday. - Lake Nipissing 2026-09-13T09:00:00Z 2026-09-13T09:00:00Z Wind west 15 knots diminishing to west 10 early this morning then increasing to west 15 this afternoon. Wind veering to northwest 15 this evening then diminishing to northwest 10 late overnight. Wind becoming light near noon Monday. Scattered showers this evening. <br/>Issued 05:00 AM EDT 13 September 2026 tag:weather.gc.ca,2013-04-16:08000_regular_forecast:20260913090000