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

68.6

°F

May 21, 08:02

Trend:

increasing

Yesterday:

68.5°F

Tomorrow:

68.9°F

Sunrise:

05:18

Sunset:

19:17

Day Length:

13 h. 59 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 68.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.2°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 68.5°F on 2016, while the historical minimum was 66.2°F on 2014.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 69.9°F, with minimum temperature starting at 68.9°F, while the maximum might reach 70.7°F.

Daily water temperature in Nagasaki

Date Current Year

actual* / forecast**

last year 10 years average
May 7 66.0°F 64.3°F 65.0°F
May 8 65.6°F 64.6°F 65.1°F
May 9 65.4°F 64.5°F 65.2°F
May 10 65.2°F 64.1°F 65.3°F
May 11 65.4°F 66.5°F 65.6°F
May 12 65.5°F 65.0°F 65.6°F
May 13 65.6°F 65.2°F 65.8°F
May 14 65.8°F 65.0°F 65.9°F
May 15 66.5°F 65.6°F 66.2°F
May 16 66.4°F 66.4°F 66.5°F
May 17 65.8°F 67.0°F 66.8°F
May 18 66.0°F 67.2°F 67.2°F
May 19 67.5°F 67.2°F 67.2°F
May 20 68.5°F 67.1°F 67.3°F
May 21 68.6°F 66.3°F 67.5°F
May 22 68.9°F 67.1°F 67.8°F
May 23 69.5°F 67.9°F 68.4°F
May 24 69.4°F 67.7°F 68.3°F
May 25 70.0°F 67.8°F 68.8°F
May 26 70.4°F 68.0°F 69.2°F
May 27 70.6°F 68.6°F 69.4°F
May 28 70.7°F 69.9°F 69.5°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.