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

76.5

°F

October 11, 05:34

Trend:

stable

Yesterday:

76.4°F

Tomorrow:

76.1°F

Sunrise:

05:48

Sunset:

17:13

Day Length:

11 h. 25 min.

Niigata in October

Minimum:

53.3°F

Average:

55.2°F

Maximum:

56.0°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 76.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.5°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 75.3°F on 2023, while the historical minimum was 70.1°F on 2015.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 75.3°F, the minimum temperature may reach 74.6°F, and the maximum might stay at 76.1°F.

Daily water temperature in Niigata

Date Current Year

actual* / forecast**

last year 10 years average
Sep 27 79.5°F 79.0°F 76.2°F
Sep 28 78.1°F 79.0°F 76.0°F
Sep 29 77.5°F 78.3°F 75.8°F
Sep 30 77.9°F 78.0°F 75.5°F
Oct 1 77.5°F 77.3°F 75.0°F
Oct 2 78.3°F 77.3°F 75.1°F
Oct 3 78.1°F 77.0°F 74.9°F
Oct 4 77.5°F 76.6°F 74.6°F
Oct 5 77.0°F 76.2°F 74.3°F
Oct 6 77.0°F 75.3°F 74.2°F
Oct 7 76.7°F 74.9°F 74.0°F
Oct 8 76.8°F 74.5°F 73.8°F
Oct 9 76.8°F 74.2°F 73.7°F
Oct 10 76.4°F 73.4°F 73.0°F
Oct 11 76.5°F 73.9°F 73.0°F
Oct 12 76.1°F 72.4°F 72.6°F
Oct 13 75.7°F 72.5°F 72.3°F
Oct 14 75.4°F 73.8°F 71.9°F
Oct 15 75.2°F 73.6°F 71.7°F
Oct 16 75.0°F 73.2°F 71.6°F
Oct 17 74.8°F 72.9°F 71.3°F
Oct 18 74.6°F 72.7°F 71.2°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 97 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 71.8°F in Autumn.