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

69.2

°F

November 3, 00:44

Trend:

decreasing

Yesterday:

69.3°F

Tomorrow:

68.8°F

Sunrise:

06:11

Sunset:

16:44

Day Length:

10 h. 33 min.

Niigata in November

Minimum:

53.8°F

Average:

55.0°F

Maximum:

55.9°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 69.2°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 69.0°F on 2023, while the historical minimum was 65.9°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 shows a gradual cooling trend. The average temperature is expected to be 68.2°F, the minimum temperature may reach 67.7°F, and the maximum might stay at 68.8°F.

Daily water temperature in Niigata

Date Current Year

actual* / forecast**

last year 10 years average
Oct 20 72.8°F 73.5°F 71.5°F
Oct 21 72.6°F 73.1°F 71.3°F
Oct 22 72.3°F 72.8°F 71.1°F
Oct 23 71.9°F 72.5°F 70.9°F
Oct 24 71.4°F 72.2°F 70.5°F
Oct 25 71.0°F 71.8°F 70.2°F
Oct 26 71.1°F 71.4°F 70.1°F
Oct 27 71.1°F 70.9°F 70.0°F
Oct 28 70.6°F 70.4°F 69.4°F
Oct 29 70.3°F 70.1°F 69.1°F
Oct 30 70.0°F 68.6°F 68.8°F
Oct 31 69.7°F 68.2°F 68.6°F
Nov 1 69.4°F 68.0°F 68.2°F
Nov 2 69.3°F 68.4°F 68.1°F
Nov 3 69.2°F 68.3°F 68.0°F
Nov 4 68.8°F 68.1°F 67.6°F
Nov 5 68.4°F 66.6°F 67.2°F
Nov 6 68.3°F 66.6°F 67.1°F
Nov 7 68.1°F 66.9°F 67.0°F
Nov 8 68.1°F 67.7°F 67.0°F
Nov 9 68.1°F 67.5°F 66.9°F
Nov 10 67.7°F 67.0°F 66.5°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 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 72.1°F in Autumn.