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★★★★★
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This app isn't in any of our charts yet.
Changed - The app opens following the boat now. Switch follow off and leave, and it stays off when you come back. Swipe the app closed and it's back on next time Fixed - Come back to the app after a screen lock and the dot could sit where you'd been, or fuzz out kilometres wide, while follow went nowhere. iOS takes back precise location when you leave the app, and we weren't asking for it again. Follow asks every time you come back now
Salish Tides is an offline-first map of tidal currents and tide heights for the Salish Sea. When you're online it shows real-time surface-current forecasts from the SalishSeaCast model. When you're offline it falls back to harmonic predictions computed on your device — so it keeps working with no signal. It's a planning aid for paddlers, sailors, and anyone who works around the tide. It's a passion project - something I found genuinely useful - made possible by people smarter than me - s/o all the researchers and scientists who worked on the models. I did draw the logo all by myself. Made for the water • Light, dark, and satellite themes • Shows your GPS position on the map The data - SalishSeaCast ocean model (UBC) - Tide heights come from NOAA Tides & Currents and the Canadian Hydrographic Service. Salish Tides is a planning aid, not an official source for navigation. Always consult official charts, tide tables, and current atlases, and keep a proper watch.