Johnstone Strait - Marine Weather - Environment Canada Environment Canada https://www.weather.gc.ca 2026-04-15T15:19:53Z tag:weather.gc.ca,2013-04-16:20260415151953 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 Friday. - Johnstone Strait 2026-03-19T11:00:00Z 2026-03-19T11:00:00Z Wind southeast 5 to 15 knots increasing to southeast 20 to 30 this evening then becoming northwest 25 to 35 Friday morning. Wind diminishing to northwest 15 to 25 Friday afternoon. Periods of rain. Visibility as low as 1 mile in rain. <br/>Issued 04:00 AM PDT 19 March 2026 tag:weather.gc.ca,2013-04-16:06800_regular_forecast:20260319110000 Extended Forecast - Johnstone Strait 2026-03-19T11:00:00Z 2026-03-19T11:00:00Z Saturday: Wind northwest 10 to 15 knots increasing to southeast 15 to 25 in the morning.<br/>Sunday: Wind southeast 10 to 20 knots diminishing to light.<br/>Monday: Wind southeast 10 to 20 knots diminishing to light.<br/>Issued 04:00 AM PDT 19 March 2026 tag:weather.gc.ca,2013-04-16:06800_extended_forecast:20260319110000