Tide & current predictions

CHS provides tide heights and current predictions. Secondary current stations are estimates; large-tide estimates are identified separately. Tide turns and slack water are independent. Conditions along the route vary with location.

CHS atlas & lookup licences

Canadian Atlas of Tidal Currents, Volume 3: Juan de Fuca Strait to Strait of Georgia (2016), Canadian Hydrographic Service, Fisheries and Oceans Canada. © Her Majesty the Queen in Right of Canada, 2022.

Map images are reproduced from the CHS publication and selected for the date and time shown. The publication permits noncommercial reproduction in any format; commercial reproduction requires prior written permission from CHS. This viewer is not an official CHS publication and is not to be used for navigation.

Current Atlas Lookup Tables: Juan de Fuca Strait to Strait of Georgia by Emanuel Borsboom. SISKA adapts the tables to show selected hours and atlas page numbers. The original tables and these adapted tables are provided under Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Canada (CC BY-NC-SA 2.5 CA).

Dewey atlas attribution

Salish Sea Tidal Current Atlas and calendar lookup tables by Richard K. Dewey, self-published. The selected volume and map number are shown in the viewer. SISKA displays extracted map images and selects them using the author's lookup tables.

For recreational reference only. Not for navigation. These products are not endorsed by CHS or NOAA and are not official Canadian or US government publications. Use current official charts and publications for navigation.