Friday, June 20, 2014

Reversing Falls Slack Tide Traversal Times

Here is an easy reference for determining when the approximate time is for slack tide at Reversing Falls on the Saint John River. Slack time provides an approximately 20 minute window for traversing the passage.

These times are based on:
  • Low slack, add 3 hours and 50 minutes to low tide
  • High slack, add 2 hours and 25 minutes to high tide
The source tide data is from:

Transit times are current local time with DST applied.

You can download an offline copy of this spreadsheet here.

Actual times will depend on the current river water levels but this will give you a close guide. You should review the cruising guides for more information on traversing the falls safely and to confirm calculations.

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