What is the current water temperature in Niigata?

Q: What is the current water temperature in Niigata?

As of now, in Niigata, the water temperature is 11.21°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Japan > Niigata

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.

52.2

°F

January 31, 08:35

Trend:

decreasing

Yesterday:

52.6°F

Tomorrow:

51.9°F

Sunrise:

06:50

Sunset:

17:05

Day Length:

10 h. 15 min.

Niigata in February

Minimum:

54.2°F

Average:

55.9°F

Maximum:

56.9°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 52.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.6°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 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 54.0°F on 2020, while the historical minimum was 50.4°F on 2015.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 51.9°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
Jan 17	53.3°F	54.1°F	53.7°F
Jan 18	53.2°F	53.9°F	53.3°F
Jan 19	53.3°F	53.7°F	53.2°F
Jan 20	53.3°F	54.3°F	53.3°F
Jan 21	53.2°F	54.1°F	53.3°F
Jan 22	53.4°F	53.9°F	53.3°F
Jan 23	53.5°F	53.8°F	53.3°F
Jan 24	53.4°F	53.6°F	53.2°F
Jan 25	53.3°F	53.5°F	53.0°F
Jan 26	52.4°F	53.2°F	52.5°F
Jan 27	52.4°F	52.8°F	52.3°F
Jan 28	52.3°F	52.5°F	52.1°F
Jan 29	52.8°F	52.5°F	52.2°F
Jan 30	52.6°F	52.6°F	52.0°F
Jan 31	52.2°F	50.4°F	51.5°F
Feb 1	51.9°F	50.3°F	51.3°F
Feb 2	51.7°F	50.1°F	51.1°F
Feb 3	51.7°F	50.3°F	51.1°F
Feb 4	51.7°F	50.5°F	51.1°F
Feb 5	52.0°F	50.8°F	51.4°F
Feb 6	52.1°F	51.0°F	51.5°F
Feb 7	52.2°F	51.1°F	51.5°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 94 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, 75.1°F in Summer, and 71.6°F in Autumn.