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

74.5

°F

October 5, 23:11

Trend:

decreasing

Yesterday:

74.5°F

Tomorrow:

74.4°F

Sunrise:

05:42

Sunset:

17:22

Day Length:

11 h. 40 min.

Niigata in October

Minimum:

54.1°F

Average:

55.3°F

Maximum:

56.0°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 74.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 considerably 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 77.2°F on 2023, while the historical minimum was 72.7°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.8°F, the minimum temperature may reach 73.0°F, and the maximum might stay at 74.4°F.

Daily water temperature in Niigata

Date Current Year

actual* / forecast**

last year 10 years average
Sep 21 77.5°F 81.4°F 77.8°F
Sep 22 77.8°F 81.1°F 77.6°F
Sep 23 77.3°F 80.5°F 77.4°F
Sep 24 76.9°F 80.7°F 77.2°F
Sep 25 77.0°F 80.3°F 77.1°F
Sep 26 76.7°F 79.8°F 76.9°F
Sep 27 76.1°F 79.5°F 76.6°F
Sep 28 76.3°F 78.1°F 76.3°F
Sep 29 75.6°F 77.5°F 76.0°F
Sep 30 74.9°F 77.9°F 75.7°F
Oct 1 75.6°F 77.5°F 75.3°F
Oct 2 75.2°F 78.3°F 75.4°F
Oct 3 74.8°F 78.1°F 75.2°F
Oct 4 74.5°F 77.5°F 74.8°F
Oct 5 74.5°F 77.0°F 74.6°F
Oct 6 74.4°F 77.0°F 74.6°F
Oct 7 74.2°F 76.7°F 74.4°F
Oct 8 74.0°F 76.8°F 74.1°F
Oct 9 73.8°F 76.8°F 74.0°F
Oct 10 73.4°F 76.4°F 73.6°F
Oct 11 73.4°F 76.0°F 73.6°F
Oct 12 73.0°F 75.7°F 73.2°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.