What is the current water temperature in Naha?

As of now, in Naha, the water temperature is 23.61°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Naha

Water temperature in Naha

Detailed information about the current water temperature in Naha. 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.

74.5

°F

April 12, 03:36

Trend:

increasing

Yesterday:

74.1°F

Tomorrow:

74.6°F

Sunrise:

06:10

Sunset:

18:51

Day Length:

12 h. 41 min.

Naha in April

Minimum:

71.9°F

Average:

73.5°F

Maximum:

76.2°F

Sea water temperature in Naha today

As of now, in Naha, the water temperature is 74.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 73.6°F on 2022, while the historical minimum was 71.2°F on 2025.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 74.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Naha

Date	Current Year actual* / forecast**	last year	10 years average
Mar 29	71.5°F	73.3°F	71.7°F
Mar 30	72.1°F	72.5°F	71.9°F
Mar 31	72.5°F	72.6°F	72.0°F
Apr 1	72.3°F	72.4°F	71.9°F
Apr 2	72.6°F	71.5°F	71.8°F
Apr 3	73.2°F	71.1°F	71.9°F
Apr 4	73.3°F	70.7°F	72.2°F
Apr 5	72.4°F	70.8°F	72.2°F
Apr 6	73.0°F	70.7°F	72.3°F
Apr 7	73.5°F	70.8°F	72.4°F
Apr 8	73.8°F	70.4°F	72.4°F
Apr 9	74.0°F	71.0°F	72.5°F
Apr 10	73.9°F	70.8°F	72.4°F
Apr 11	74.1°F	71.0°F	72.2°F
Apr 12	74.5°F	71.2°F	72.6°F
Apr 13	74.6°F	71.6°F	72.7°F
Apr 14	74.5°F	70.8°F	72.5°F
Apr 15	74.5°F	70.0°F	72.6°F
Apr 16	74.6°F	70.7°F	72.7°F
Apr 17	74.9°F	71.6°F	73.0°F
Apr 18	74.9°F	71.9°F	73.0°F
Apr 19	74.9°F	71.5°F	73.0°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 Naha by month

In Naha, the months May through December offer comfortable swimming conditions, which amounts to 259 swimming days.

The warmest water in Naha was recorded on August 16, 2024, reaching a 87.6°F. While the coldest temperature occurred on March 17, 2026, dipping to 69.1°F. The average readings by season are 73.2°F in Winter, 73.5°F in Spring, 83.0°F in Summer, and 81.7°F in Autumn.