Ports and Passes

Ports and Passes Updates

Ports and Passes
Check this page regularly for updates to the current issue of Ports and Passes. All critical updates will be emailed to registered users

 

 

Errata for the 2018 Edition

Scott Channel

Scott Channel—between Cox Island and Cape Scott (50°48'N 128°31' W)—is a secondary station in Ports and Passes, referenced to the tides at Prince Rupert. The Table of Secondary Current Stations on page 588 reads:

  • Turn to Flood (slack) at Scott Channel occurs 1 hr 20 min after Low Water at Prince Rupert.
  • Turn to Ebb (slack) at Scott Channel occurs 20 min after High Water at Prince Rupert.
We have received reports that the resulting calculated times of the slack at Scott Channel may be incorrect at much as 2 hours. Instead, you can obtain more accurate predictions from the Canadian Hydrographic Service at http://www.waterlevels.gc.ca/eng/data/table/2018/curr_ref/8500.


Updates for extra Tide & Current Tables
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We have compiled some links to tide and current predictions that are not published in the current issue of Ports and Passes. For detailed instructions on how to read tidal and current predictions, refer to your copy of Ports and Passes.

 

Washington Currents

 

Alaska Tides

Alaska Currents

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Calculating Tides and Currents at Secondary Stations extra worksheet.

Extra Worksheets

Download this PDF worksheet “Calculating Tides and Currents at Secondary Stations”.

Do you use the BC Current Atlas?

Our Current Atlas Tables can help you find the right page at the right time. An easy and inexpensive tool to make the most of the currents.

Current Atlas Tables help with the Canadian Current Atlas