Best Water Temperatures Apps

214+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated June 2026

The best water temperatures apps on iPhone average 4.2★ across 214+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Water Temperatures

Water Temperatures#1

Water Temperatures by Blaz Smolnikar

Sea and lake temperatures
Editor's Choice
☀️ Weather
2.7(13 ratings)
FreeAdsIn-App Purchases
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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.

Sea Water Temperature#2

Sea Water Temperature by Georgiy Gorokhov

Strong Contender
☀️ Weather
4.8(66 ratings)
FreeIn-App Purchases
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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.

Marine Weather Forecast Pro#3

Marine Weather Forecast Pro by LW Brands, LLC

NOAA Marine Weather Forecast
Worth Considering
☀️ Weather
4.7😊(16K ratings)
FreeIn-App Purchases
#65in Weather
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Access comprehensive NOAA marine weather data, including real-time buoy readings, 5-day forecasts, and historical wave trends. Visualize data with map overlays and receive severe weather alerts. An Apple Watch app is also available.

What We Love

  • 🚀 Detailed weather data from multiple sources
  • 🔍 Accurate and reliable information
  • 👍 Intuitive and well-designed interface
  • 💡 Customizable spot forecasts

Room to Improve

  • 🐛 Occasional issues with data availability or app crashes
  • 🔍 Difficulty finding specific location forecasts
  • 🔍 Lack of certain features like wind speed units or saved locations

More Water Temperatures apps to explore

4
SwimSpot - Water Temperature
SwimSpot - Water Temperature
SwimSpot - Water Temperature
by BYTES IN PARADISE LTD
Free

Get real-time sea and ocean temperatures worldwide to plan your perfect beach day. Access up to a 10-day forecast, water clarity, and salinity data for over 20,000 locations. Save your favorite spots and view temperature history.

Real-time water temperature updates10-Day forecastWater clarity and salinity index
☀️ Weather
(7)
free with in-app purchases
5
Swim - Sea & lake temperatures
Swim - Sea & lake temperatures
Swim - Sea & lake temperatures
by Jernej Strasner
Free

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.

Water temperature checksSlovenian water bodiesCroatian coastal areas
☀️ Weather
(0)
free
6
NOAA Buoy Reports
NOAA Buoy Reports
NOAA Buoy Reports
No Nonsense Buoy Conditions
Free

Access detailed buoy and ship observation data without weather forecasts or tide information. View current conditions, historical trends, and storm locations on an intuitive map. Monitor your favorite locations with customizable widgets.

Intuitive map interfaceQuick-view FavoritesTropical Storm/Hurricane/Cyclone locations
☀️ Weather
(2.4K)
free with in-app purchases
7
Ocean Water Temperatures
Ocean Water Temperatures
Ocean Water Temperatures
by corey hoggard
Free

This mapping application displays real-time ocean water and surface air temperatures across the United States. Data is sourced directly from NOAA's buoys and weather stations, providing current conditions.

Ocean water temperature displaySurface air temperature displayUnited States coverage
☀️ Weather
(16)
ad-supported
8
Water Temperature
Water Temperature
Water Temperature
Real water thermometer
$2.99

Monitor and record water temperatures directly from your Apple Watch. Get real-time readings, switch between units, and track your session duration. Ideal for water sports enthusiasts and anyone interested in water conditions.

Real-time temperature monitoringFahrenheit/Celsius unit switchingAccurate temperature readings
🔧 Utilities
(3)
paid
9
Tide Charts
Tide Charts
Tide Charts
Tides, Weather & Radar Near Me
Free

Access worldwide tidal estimates, lunar data, and weather forecasts. Plan outdoor adventures with ease using current radar and offline predictions. Supports Apple Watch and includes a Today Extension for quick access.

Worldwide tidal estimatesLunar dataWeather forecast
☀️ Weather
(107K)
free with in-app purchases
10
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Accurate Marine Weather
Free

Get detailed marine weather forecasts for offshore fishing and boating. Plan your trips with wind, wave, and tide predictions up to 16 days out. Visualize ocean conditions with high-resolution charts and a proprietary wave forecast model for enhanced accuracy.

16-day weather, wind, wave, and tide forecastsSave unlimited favorite forecast pointsHigh-res wind, swell, and sea surface temperature charts
☀️ Weather
(741)
free with in-app purchases
11
WatSen
WatSen
WatSen
by Artem Kislitsyn
Free

Monitor Black Sea water temperatures with real-time data. Utilizes automated buoys during summer and satellite imagery in colder months for comprehensive tracking.

Black Sea water temperature trackingAutomated buoy stationsSatellite data display
☀️ Weather
(0)
free
12
Swimming Water Quality Denmark
Swimming Water Quality Denmark
Swimming Water Quality Denmark
by ONDREJ BARTA
Free
☀️ Weather
(0)
13
Water temperatures in Austria
Water temperatures in Austria
Water temperatures in Austria
Temperatures of bathing lakes
Free
☀️ Weather
(0)
14
Temperature Converter
Temperature Converter
Temperature Converter
Celsius Fahrenheit Kelvin
Free

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

Celsius conversionFahrenheit conversionKelvin conversion
🔧 Utilities
(6.3K)
free with in-app purchases
15
NOAA Buoys Live Marine Weather
NOAA Buoys Live Marine Weather
NOAA Buoys Live Marine Weather
National Data Buoy Center
Free

Access real-time marine weather data from over 1,500 NOAA buoys across the USA. Plan your outdoor activities with detailed information on wind, waves, temperature, and more. Offline access to the last known observations is also available.

Real-time NOAA buoy dataSearch buoys by name, region, or GPSMap view of all buoys
☀️ Weather
(562)
free with in-app purchases
16
Splash° - Temperatures
Splash° - Temperatures
Splash° - Temperatures
Lakes & rivers in Switzerland
Free

Get real-time water temperatures for lakes and rivers across Switzerland. Perfect for swimmers, kayakers, and water sports enthusiasts to check conditions before diving in, year-round.

Real-time water temperature dataCovers lakes and rivers in SwitzerlandSupports various water sports
☀️ Weather
(4)
free
17
My Water: Daily Drink Tracker
My Water: Daily Drink Tracker
My Water: Daily Drink Tracker
Drinking & Hydration Reminder
Free

This app helps you maintain regular hydration by calculating your daily water intake needs and sending timely reminders. It offers statistics, motivational awards, and useful tips to encourage healthy fluid consumption. Integration with Apple Watch and Apple Health enhances its functionality.

Water requirement calculatorCustomizable remindersMetric and fl oz units
💪 Health & Fitness
(24K)
freemium
18
Ocean Water Temperature
Ocean Water Temperature
Ocean Water Temperature
NOAA Temp and Tide Data
$1.99

Access real-time ocean water temperatures, tide information, and detailed wave forecasts. View SST charts, historical wave data, and marine weather forecasts from NOAA and NWS. Save your favorite locations for quick access.

Current ocean water temperature and tidesSea Surface Temperature (SST) chartsHistorical wave height reports
☀️ Weather
(167)
paid
19
Bathing Water
Bathing Water
Bathing Water
Bathing water forecast
Free

Provides real-time bathing water quality and weather forecasts for subscribed Danish beaches. View beach locations on a map with color-coded flags indicating safety for swimming. Get up to three days of forecast information and mark your favorite locations.

Bathing water quality informationWeather forecastsInteractive beach map
☀️ Weather
(1)
free
20
Aare Schwumm
Aare Schwumm
Aare Schwumm
Water temperature Bern
Free

Get real-time water temperature, weather, and flow information for the Aare river. View a temperature forecast for the next two hours and display key data directly on your home screen. Customize your preferred temperature alerts.

Real-time water temperatureWeather and flow data2-hour temperature forecast
☀️ Weather
(3)
free