TidelinemacOS
Tide times and surf forecasts in your menu bar.
Bugs
View AllWrong StationI have four stations pinned. The panel shows the one I chose, the menu bar shows whichever is alphabetically first, so I get Aberdeen while I'm standing in Newquay.Under Review
Pin Order ResetsI drag my four stations into the order I actually use them. After an update they are alphabetical again, every time.Under Review
Bristol Reads EarlyEverywhere else I've checked is right. Bristol reads about an hour early for two or three days after a spring tide, then sorts itself out. I sail there most weekends so I've now…In Progress
Features
View AllWarn Before LowI dig bait on a spring low and I keep missing it by an hour because I have to remember to check. A notification an hour before low water at my station would solve it entirely.In Progress
Swell with TidesTides tell me when I can get out. Swell tells me whether it's worth it. Both in the menu bar and I'd stop checking two apps every morning.Planned
Water TemperatureSwell tells me whether it's worth going. Water temperature tells me what I need to wear, and at the moment that's a third site every morning.Planned
Roadmap
View AllWarn Before LowI dig bait on a spring low and I keep missing it by an hour because I have to remember to check. A notification an hour before low water at my station would solve it entirely.In Progress
Swell with TidesTides tell me when I can get out. Swell tells me whether it's worth it. Both in the menu bar and I'd stop checking two apps every morning.Planned
Water TemperatureSwell tells me whether it's worth going. Water temperature tells me what I need to wear, and at the moment that's a third site every morning.Planned
Changelog
View AllSwell, Alongside The TideSwell height, period and direction beside the tide for every coastal station Choose what the menu bar shows: tide, swell, or both A seven-day outlook, with the forecast age shown so you know how fresh it isv2.2.0Aug 9
Steadier After SleepThe widget refreshes on wake as well as on a timer Lower memory use when several stations are pinned Sharper icon on non-Retina displaysv2.1.1Jul 24
Sharper Menu Bar ReadingsSunrise and sunset now match published almanacs to within seconds Interpolation handles very large tidal ranges, which corrects readings around spring tides The menu bar updates on the minute rather than drifting through itv2.1.2Jul 21
FAQ
View AllWhere does the tide data come from?From national hydrographic offices, refreshed every six hours, with the station and its…Can I add a station that is not listed?Not by hand, but tell us the harbour and we will add it if there is a published station…Does it work offline?Yes. A week of predictions for your saved stations is cached, so the menu bar keeps reading…Reading looks wrong?Almost always because the board quotes a different station, sometimes miles away. Tap the…
Testimonials
View All“I check it before every session. The menu bar reading is the whole app for me and it is right far more often than the two apps I used before.”
Rob H.Aug 2026🇬🇧
“I reported a two-minute error in the sunrise time expecting to be told it did not matter. Instead I got an explanation of why it was happening and a fix a few weeks later that agrees with my almanac to the second.”
Marion T.Jul 2026🇬🇧