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

82.9

°F

September 13, 14:33

Trend:

decreasing

Yesterday:

83.2°F

Tomorrow:

82.8°F

Sunrise:

06:41

Sunset:

19:16

Day Length:

12 h. 35 min.

Naples in September

Minimum:

59.7°F

Average:

60.7°F

Maximum:

62.1°F

Sea water temperature in Naples today

As of now, in Naples, the water temperature is 82.9°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 5.0°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 80.9°F on 2024, while the historical minimum was 75.3°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.3°F, the minimum temperature may reach 81.8°F, and the maximum might stay at 82.8°F.

Daily water temperature in Naples

Date Current Year

actual* / forecast**

last year 10 years average
Aug 30 85.1°F 80.6°F 80.8°F
Aug 31 85.4°F 80.5°F 80.7°F
Sep 1 85.2°F 80.2°F 80.4°F
Sep 2 85.1°F 80.2°F 80.2°F
Sep 3 85.2°F 80.0°F 80.1°F
Sep 4 85.1°F 79.2°F 79.9°F
Sep 5 84.5°F 79.6°F 79.6°F
Sep 6 84.5°F 79.5°F 79.4°F
Sep 7 83.9°F 80.0°F 79.2°F
Sep 8 83.8°F 79.2°F 79.1°F
Sep 9 83.9°F 79.6°F 79.0°F
Sep 10 84.0°F 79.3°F 78.9°F
Sep 11 83.6°F 78.8°F 78.6°F
Sep 12 83.2°F 79.1°F 78.5°F
Sep 13 82.9°F 78.8°F 77.9°F
Sep 14 82.8°F 79.2°F 77.8°F
Sep 15 82.6°F 78.9°F 77.6°F
Sep 16 82.4°F 79.0°F 77.4°F
Sep 17 82.3°F 79.2°F 77.3°F
Sep 18 82.2°F 78.8°F 77.2°F
Sep 19 81.8°F 78.1°F 76.8°F
Sep 20 81.8°F 78.3°F 76.8°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, 78.6°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porto 82.9°F 1mi
Massa Lubrense 82.6°F 18mi
Capri 82.7°F 21mi
Forio 82.5°F 23mi
Amalfi 81.8°F 23mi
Maiori 81.8°F 24mi

* current water temperature in this city

** straight line distance from Naples