Salish Tides

Salish Tides

Offline Tidal Currents

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Free

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Details

Released
August 4, 2026
Updated
September 24, 2026

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Salish Tides video #1 for iPhone
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About

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.
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What's New in Salish Tides

2.1.2

September 24, 2026

Changed - Follow mode keeps the screen on now, so it doesn't lock at the helm and lose your position. Go five minutes without a good fix and it lets the screen sleep again - Leave the app and come back and follow's still on. It picks the boat up again from the first fresh fix. Until that fix lands, speed and direction read at the crosshair instead of an old position - Tap locate before you've got a fix and it goes looking for one instead of sitting greyed out With Precise Location off, turning on follow asks for your precise position. An approximate fix is kilometres wide, too rough to read the current you're actually in Fixed - Follow mode could switch itself off after a big jump in position, like the first fix after you unlocked the screen. It stays on now - Turn location access off and back on in Settings and the blue dot comes back, no restart needed - A rough Wi-Fi or cell fix landing between GPS fixes doesn't throw the dot and the map a kilometre sideways anymore

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