Get real-time sea and lake temperatures worldwide with historical data and custom alerts for various water activities. Compare locations, view seasonal trends, and explore with enhanced map features.






250+ iOS apps curated and reviewed
Looking for free lake water temperature apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 2.6★ (14) | Yes | Yes | Aug 2026 | |
| 2 | Free | 3.7★ (10) | Yes | No | May 2026 | |
| 3 | Free | 4.9★ (16) | No | No | Aug 2026 | |
| 4 | Free | 3.0★ (2) | No | No | Aug 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | 4.8★ (71) | No | Yes | Aug 2026 | |
| 7 | Free | — | No | No | Jul 2026 | |
| 8 | Free | — | No | No | May 2026 |






Get real-time sea and lake temperatures worldwide with historical data and custom alerts for various water activities. Compare locations, view seasonal trends, and explore with enhanced map features.




Track your favorite lakes with real-time levels, weather forecasts, and historical data. Easily manage lists of lakes by state or view them on a map. Prepare for your water activities with up-to-date conditions.





Access real-time water levels, boat ramp status, and historical lake data. Plan your next outing with detailed information on access points and water conditions. Features offline functionality for convenient use.


Get real-time water temperature data for bays, rivers, and lakes across Slovenia, plus major coastal areas in Croatia. Ideal for planning your next swim or water activity.


Access comprehensive lake information including weather, water levels, and navigation. Easily find lakes by state or proximity, and save your favorites for quick access. Plan your next lake trip or monitor water conditions with this convenient tool.


Get real-time sea, ocean, lake, and river water temperatures worldwide. Plan your beach trips, swimming, or surfing with detailed location data and accurate weather forecasts. Save favorite spots and receive smart notifications for temperature changes.










Monitor your lake's health and receive real-time updates and alerts. Contribute to lake management with field notes and images, connecting you to your lake community from anywhere.




Navigate the lake with this official guide. Discover popular spots, access emergency information, and stay updated on local events. Your essential companion for exploring the area by boat or car.




Access real-time and historical lake temperature data for Lake Washington and Lake Sammamish. Plan your outdoor activities with confidence using accurate, up-to-date information and enjoy visually appealing Pacific Northwest-themed backgrounds.


Access real-time weather, marine forecasts, and live webcam feeds for Lake Erie. Get detailed information on wave heights, wind speeds, water temperatures, and beach conditions to plan your activities.








This app uses AI to analyze vast amounts of data, including weather, satellite imagery, and historical logs, to provide predictive fishing forecasts and tactical maps. It helps anglers identify optimal fishing times and locations, enhancing their success on the water.