Want to win Swiftsure?  Brush Up on the Currents!!

Dr. Richard Dewey will speak about currents during Swiftsure at the Skippers’ Meeting on Friday, May 26th at 1630 at The Distrikt in Strathcona Hotel.  

The 2017 maps of currents will be placed below as soon as it becomes available.

Dr. Richard Dewey’s tidal current maps applicable to the Swiftsure 2017 race will be posted here. In the section ‘Tidal current charts…’ the UTC conversion to PDT is -7 hours so 16:00 UTC is 09:00 PDT.  Scroll through the time sequence for each location to capture the flow change of currents through time.


Fisheries and Oceans Canada Tides, Currents, and Water Levels Web Site provides predicted times and heights of high and low waters, and the hourly water levels.  Links to the two pertinent zones:

  • Zone 9 – Eastern Strait of Juan de Fuca, southern Gulf Islands
  • Zone 11 – Western Strait of Juan de Fuca

USA National Oceanic & Atmospheric Administration provides similar data in US waters for the pertinent zone: