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

72.8

°F

June 29, 14:08

Trend:

increasing

Yesterday:

72.7°F

Tomorrow:

73.3°F

Sunrise:

04:24

Sunset:

19:10

Day Length:

14 h. 46 min.

Niigata in July

Minimum:

54.6°F

Average:

55.7°F

Maximum:

56.4°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 72.8°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. The sea temperature remains approximately unchanged from yesterday. 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 73.4°F on 2022, while the historical minimum was 68.9°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 74.5°F, with minimum temperature starting at 73.3°F, while the maximum might reach 75.3°F.

Daily water temperature in Niigata

Date Current Year

actual* / forecast**

last year 10 years average
Jun 15 69.6°F 67.6°F 68.0°F
Jun 16 70.5°F 67.8°F 67.9°F
Jun 17 69.7°F 68.2°F 68.2°F
Jun 18 70.1°F 69.9°F 68.6°F
Jun 19 71.8°F 72.5°F 69.0°F
Jun 20 71.5°F 71.0°F 68.9°F
Jun 21 71.5°F 69.9°F 68.9°F
Jun 22 70.4°F 71.5°F 69.0°F
Jun 23 71.2°F 71.9°F 69.6°F
Jun 24 71.3°F 73.9°F 70.3°F
Jun 25 71.2°F 74.0°F 70.6°F
Jun 26 71.6°F 73.2°F 71.1°F
Jun 27 72.0°F 72.8°F 71.5°F
Jun 28 72.7°F 72.5°F 71.5°F
Jun 29 72.8°F 72.4°F 71.6°F
Jun 30 73.3°F 72.8°F 72.1°F
Jul 1 73.9°F 75.0°F 72.6°F
Jul 2 74.4°F 75.1°F 73.2°F
Jul 3 74.8°F 76.9°F 73.5°F
Jul 4 75.1°F 77.1°F 73.8°F
Jul 5 74.9°F 77.2°F 73.7°F
Jul 6 75.3°F 77.6°F 74.1°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 101 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 54.7°F in Winter, 53.8°F in Spring, 75.5°F in Summer, and 72.0°F in Autumn.