All data are in degrees Fahrenheit

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Water temperature in Niigata

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

84.0

°F

August 5, 19:05

Trend:

stable

Yesterday:

84.2°F

Tomorrow:

84.1°F

Sunrise:

04:50

Sunset:

18:50

Day Length:

14 h. 0 min.

Niigata in August

Minimum:

54.0°F

Average:

55.3°F

Maximum:

56.2°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 84.0°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 1.7°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 86.1°F on 2023, while the historical minimum was 78.5°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 84.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Niigata

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 82.3°F 79.2°F 78.8°F
Jul 23 82.1°F 79.0°F 78.9°F
Jul 24 83.4°F 79.5°F 79.1°F
Jul 25 84.6°F 79.0°F 79.4°F
Jul 26 84.5°F 78.9°F 79.5°F
Jul 27 84.8°F 81.2°F 79.8°F
Jul 28 84.2°F 80.5°F 79.7°F
Jul 29 86.1°F 80.5°F 80.4°F
Jul 30 86.1°F 80.7°F 80.7°F
Jul 31 85.3°F 80.2°F 81.0°F
Aug 1 84.2°F 80.2°F 81.4°F
Aug 2 83.3°F 81.1°F 81.6°F
Aug 3 83.6°F 82.5°F 82.0°F
Aug 4 84.2°F 83.0°F 82.3°F
Aug 5 84.0°F 83.7°F 82.3°F
Aug 6 84.1°F 82.2°F 82.4°F
Aug 7 84.1°F 80.7°F 82.4°F
Aug 8 84.1°F 80.6°F 82.4°F
Aug 9 84.2°F 81.4°F 82.5°F
Aug 10 84.3°F 81.5°F 82.6°F
Aug 11 84.0°F 81.2°F 82.3°F
Aug 12 83.8°F 81.0°F 82.1°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 Niigata by month

In Niigata, the months July through September offer comfortable swimming conditions, which amounts to 96 swimming days.
The warmest water in Niigata was recorded on August 6, 2023, reaching a 86.6°F. While the coldest temperature occurred on March 3, 2022, dipping to 47.5°F. The average readings by season are 54.6°F in Winter, 53.7°F in Spring, 75.3°F in Summer, and 71.6°F in Autumn.