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 9.63°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.

49.3

°F

March 15, 12:00

Trend:

stable

Yesterday:

49.5°F

Tomorrow:

49.5°F

Sunrise:

05:56

Sunset:

17:50

Day Length:

11 h. 54 min.

Niigata in March

Minimum:

54.3°F

Average:

55.5°F

Maximum:

56.5°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 49.3°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 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 closely matches the previous two weeks' average, indicating a stable 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 50.9°F on 2023, while the historical minimum was 48.0°F on 2015.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 49.7°F, with minimum temperature starting at 49.5°F, while the maximum might reach 49.9°F.

Daily water temperature in Niigata

Date	Current Year actual* / forecast**	last year	10 years average
Mar 1	49.6°F	50.3°F	49.3°F
Mar 2	49.9°F	50.1°F	49.4°F
Mar 3	49.8°F	50.0°F	49.6°F
Mar 4	49.8°F	50.0°F	49.6°F
Mar 5	49.9°F	49.9°F	49.6°F
Mar 6	49.8°F	49.9°F	49.6°F
Mar 7	49.6°F	49.6°F	49.5°F
Mar 8	48.8°F	49.5°F	49.5°F
Mar 9	48.7°F	49.5°F	49.2°F
Mar 10	48.3°F	49.4°F	49.1°F
Mar 11	48.2°F	49.5°F	49.1°F
Mar 12	48.3°F	49.4°F	49.3°F
Mar 13	48.7°F	49.4°F	49.5°F
Mar 14	49.5°F	49.5°F	49.5°F
Mar 15	49.3°F	49.2°F	49.3°F
Mar 16	49.5°F	49.3°F	49.4°F
Mar 17	49.8°F	49.7°F	49.7°F
Mar 18	49.7°F	49.3°F	49.6°F
Mar 19	49.7°F	49.6°F	49.7°F
Mar 20	49.8°F	49.6°F	49.8°F
Mar 21	49.9°F	49.6°F	49.9°F
Mar 22	49.7°F	49.6°F	49.7°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.