Ports and Passes
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    • Home
    • Videos
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    • Chyna Sea Ventures Store
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  • Home
  • Videos
  • Resources
  • Articles
  • FAQ
  • Chyna Sea Ventures Store
  • Waggoner Store

Frequently Asked Questions

Please reach us at info@chynasea.com if you cannot find an answer to your question.

Ports and Passes can be purchased from one of our many BC retailers or US retailers.  You can also order a book from our Chyna Sea Ventures online bookstore for our Canadian customers and the Waggoner Bookstore for our US customers.


The Ports and Passes guide is an annual guide that contains data that changes from year to year.  The Ports and Passes guide is usually available in early December and can be purchased from one of our many retailers or on our Canadian and US websites.


You can learn how to use the guide by either visiting our videos page to watch the Using the 2022 Edition of Ports and Passes video or our resources page to download a copy of the Using Ports and Passes - The Pacific Northwest Tide and Current Guide Quick Guide.


If you need additional help please contact us at info@chynasea.com.


A current is the horizontal motion of water. A tide is the vertical motion of the sea surface. The gravity of the sun and moon causes the sea surface to rise and fall, which in turn makes massive amounts of water to flow from the open ocean into (and out of) our inshore waters. This is what drives most currents in the waterways of the Pacific Northwest.


The reason you are having trouble is that you are comparing the currents for Sergius Narrows in Ports and Passes with the tides for Sergius Narrows in the NOAA tables. At locations where tidal currents are strong, the turn of the current almost never occurs at the same time as high or low tide.


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Ports and Passes Tide and Current Guide

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