| Johnstone Strait - Marine Weather - Environment Canada |
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| Forecast for Today Tonight and Tuesday. - Johnstone Strait |
| Wind variable 5 to 15 knots becoming northwest 15 early this
evening then becoming variable 5 to 15 near midnight. Wind becoming northwest 15
Tuesday evening. Issued 10:30 AM PDT 12 April 2021 |
| Extended Forecast - Johnstone Strait |
| Wednesday: Wind northwest 10 to 20 knots. Thursday: Wind southeast 5 to 15 knots becoming northwest 10 to 20 late in the day. Friday: Wind northwest 10 to 20 knots becoming southeast 5 to 15. Issued 04:00 AM PDT 12 April 2021 |