Tide Alert
NOAA tide charts, tide alerts, moon phases and home screen widgets for 3,000+ US tide stations, on iPhone, iPad, Mac and right on your wrist.
Tides, wind, light and wildlife, right in your pocket. Native apps for anglers, boaters, surfers, kitesurfers, pilots, birders and photographers on iPhone, Apple Watch, Mac and Android.
Tides, wind, light, birds and the moon: each app does one job very well, and keeps working offline where it matters most.
NOAA tide charts, tide alerts, moon phases and home screen widgets for 3,000+ US tide stations, on iPhone, iPad, Mac and right on your wrist.
Know where the light will fall.
3D sun & moon paths, golden and blue hour, shadow maps, Milky Way planning and an AR sky view.

When, where and what to fish.
Fishing forecasts, worldwide tide charts, solunar times and a catch log across 120,000+ spots in 128 countries.

All the forecast. None of the clutter.
Animated wind and wave maps, storm warnings and live hurricane tracking, with GFS, ICON and ECMWF models and full offline downloads.

Say the bird. Keep watching it.
Log sightings by voice with your hands on your binoculars. Every bird is pinned to your GPS trail, even with no signal.

Every phase, every day. Moonrise and moonset, eclipse forecasts, a 3D moon compass and beautiful widgets.
Your weather at a glance from the menu bar, with interactive hourly charts for temperature, wind and humidity across your cities.
A focus timer, time zone tracker and reminders in one place, with your countdown always visible in the menu bar.
Your App Store business, natively.
Sales, subscriptions, chart rankings and Apple Ads spend with ROAS and cost per install, plus on-device AI insights on every tab. Your data never leaves your device.
Boaters, anglers, kayakers and sky-watchers rely on our apps every day. A few words from them.
★★★★★“Tide Alert may very well be the most useful app on my phone.”
★★★★★“Perfect app for boaters. Super friendly and easy to use and understand!”
★★★★★“So wonderful, so perfect and beautiful, has everything I need and more! Best Moon app out there.”
★★★★★“I’m an avid kayaker and before heading out I always check tide activity. Kudos to whoever created this app!”
★★★★★“The best tide app out there! Clear, clean and simple to use. The new widget is awesome.”
★★★★★“An incredible tool for planning a fishing trip.”
Rivolu LLC is an independent US software company that makes native apps for outdoor adventure: Tide Alert, Fish & Tides, WindTrac, LightPlan, Bunting and Moon Calendar Pro. It also makes App Desk for app developers and the Mac menu bar apps Weather Menu and Timely.
All three are made by Rivolu LLC, along with Fish & Tides, Bunting, Moon Calendar Pro, App Desk, Weather Menu and Timely. Tide Alert is rated 4.8 out of 5 from more than 44,000 App Store ratings.
WindTrac shows animated wind, gust and wave forecasts with storm warnings and hurricane tracking, and can download a region for offline use. Surfers and boaters often pair it with Tide Alert for tide times.
Fish & Tides combines tides, weather, solunar periods and a catch log into a 0–100 fishing score for 120,000+ spots in 128 countries. Tide Alert gives detailed NOAA tide charts for US waters.
Yes. Tide Alert, Fish & Tides, WindTrac, LightPlan and Bunting are on Android. Tide Alert, WindTrac, LightPlan, App Desk, Weather Menu and Timely run on Mac.
Email contact@rivolu.com.
Questions, feature ideas, partnerships or press: write to us and a real person will reply.