All data are in degrees Fahrenheit

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Water temperature in Naples

Detailed information about the current water temperature in Naples. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Naples now

84.5

°F

August 2, 08:41

Trend:

stable

Yesterday:

84.7°F

Tomorrow:

84.6°F

Sunrise:

06:00

Sunset:

20:18

Day Length:

14 h. 18 min.

Naples in August

Minimum:

59.8°F

Average:

60.9°F

Maximum:

62.4°F

Sea water temperature in Naples today

As of now, in Naples, the water temperature is 84.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 3.4°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.8°F on 2024, while the historical minimum was 78.6°F on 2025.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 84.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Naples

Date Current Year

actual* / forecast**

last year 10 years average
Jul 19 83.6°F 79.8°F 80.1°F
Jul 20 83.8°F 80.6°F 80.2°F
Jul 21 83.9°F 81.3°F 80.4°F
Jul 22 84.5°F 81.1°F 80.6°F
Jul 23 84.6°F 81.5°F 80.7°F
Jul 24 84.3°F 81.7°F 81.0°F
Jul 25 83.1°F 82.0°F 81.2°F
Jul 26 82.3°F 81.3°F 81.1°F
Jul 27 81.7°F 81.0°F 80.9°F
Jul 28 82.2°F 80.9°F 80.9°F
Jul 29 83.2°F 80.4°F 81.0°F
Jul 30 83.3°F 80.2°F 81.1°F
Jul 31 84.0°F 79.0°F 81.4°F
Aug 1 84.7°F 78.4°F 81.3°F
Aug 2 84.5°F 78.6°F 81.1°F
Aug 3 84.6°F 78.6°F 81.2°F
Aug 4 84.4°F 78.6°F 81.1°F
Aug 5 84.6°F 78.2°F 81.2°F
Aug 6 84.5°F 78.0°F 81.1°F
Aug 7 84.5°F 77.5°F 81.1°F
Aug 8 84.4°F 78.1°F 81.0°F
Aug 9 84.3°F 78.0°F 81.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Naples by month

In Naples, the months June through September offer comfortable swimming conditions, which amounts to 119 swimming days.
The warmest water in Naples was recorded on July 25, 2023, reaching a 86.3°F. While the coldest temperature occurred on March 13, 2022, dipping to 56.0°F. The average readings by season are 60.5°F in Winter, 61.7°F in Spring, 78.5°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porto 84.6°F 1mi
Massa Lubrense 84.3°F 18mi
Capri 84.2°F 21mi
Forio 84.5°F 23mi
Amalfi 83.3°F 23mi
Maiori 83.3°F 24mi

* current water temperature in this city

** straight line distance from Naples