All data are in degrees Fahrenheit

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Water temperature in Nagasaki

Detailed information about the current water temperature in Nagasaki. 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 Nagasaki now

65.7

°F

April 30, 14:50

Trend:

increasing

Yesterday:

65.5°F

Tomorrow:

66.1°F

Sunrise:

05:34

Sunset:

19:02

Day Length:

13 h. 28 min.

Nagasaki in May

Minimum:

59.3°F

Average:

60.8°F

Maximum:

62.7°F

Sea water temperature in Nagasaki today

As of now, in Nagasaki, the water temperature is 65.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.1°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 rise a bit.

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 64.9°F on 2021, while the historical minimum was 61.3°F on 2020.

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 suggests a gradual increase. The average temperature is expected to rise up to 66.5°F, with minimum temperature starting at 66.1°F, while the maximum might reach 67.0°F.

Daily water temperature in Nagasaki

Date Current Year

actual* / forecast**

last year 10 years average
Apr 16 63.1°F 62.7°F 62.0°F
Apr 17 62.1°F 62.4°F 62.2°F
Apr 18 63.7°F 61.8°F 62.3°F
Apr 19 64.2°F 61.7°F 62.4°F
Apr 20 64.1°F 61.9°F 62.3°F
Apr 21 63.8°F 61.8°F 62.4°F
Apr 22 63.7°F 63.4°F 62.8°F
Apr 23 63.6°F 63.2°F 62.8°F
Apr 24 63.6°F 63.6°F 62.9°F
Apr 25 64.7°F 63.6°F 63.2°F
Apr 26 64.9°F 63.6°F 63.5°F
Apr 27 64.9°F 63.3°F 63.4°F
Apr 28 65.4°F 64.2°F 63.5°F
Apr 29 65.5°F 64.4°F 63.4°F
Apr 30 65.7°F 64.4°F 63.6°F
May 1 66.1°F 63.7°F 64.0°F
May 2 66.6°F 63.8°F 64.5°F
May 3 66.5°F 63.2°F 64.4°F
May 4 66.4°F 63.5°F 64.3°F
May 5 66.5°F 63.8°F 64.4°F
May 6 66.7°F 64.2°F 64.6°F
May 7 67.0°F 64.3°F 64.9°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 Nagasaki by month

In Nagasaki, the months July through October offer comfortable swimming conditions, which amounts to 126 swimming days.
The warmest water in Nagasaki was recorded on August 22, 2022, reaching a 86.0°F. While the coldest temperature occurred on March 7, 2023, dipping to 55.1°F. The average readings by season are 60.7°F in Winter, 62.5°F in Spring, 78.0°F in Summer, and 74.7°F in Autumn.