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 9.9°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.

49.8

°F

March 10, 17:38

Trend:

stable

Yesterday:

50.0°F

Tomorrow:

49.9°F

Sunrise:

06:04

Sunset:

17:46

Day Length:

11 h. 42 min.

Niigata in March

Minimum:

54.5°F

Average:

55.6°F

Maximum:

56.5°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 49.8°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 0.8°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 stay about the same.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.1°F on 2016, while the historical minimum was 48.3°F on 2022.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.3°F, with minimum temperature starting at 49.9°F, while the maximum might reach 50.5°F.

Daily water temperature in Niigata

Date	Current Year actual* / forecast**	last year	10 years average
Feb 24	48.5°F	49.6°F	49.9°F
Feb 25	48.8°F	49.6°F	49.9°F
Feb 26	50.3°F	49.6°F	49.9°F
Feb 27	50.4°F	49.7°F	49.9°F
Feb 28	51.1°F	49.7°F	49.7°F
Mar 1	50.4°F	49.6°F	49.4°F
Mar 2	50.4°F	49.9°F	49.5°F
Mar 3	52.8°F	49.8°F	49.9°F
Mar 4	50.7°F	49.8°F	49.7°F
Mar 5	50.6°F	49.9°F	49.7°F
Mar 6	49.7°F	49.8°F	49.6°F
Mar 7	50.6°F	49.6°F	49.6°F
Mar 8	50.2°F	48.8°F	49.5°F
Mar 9	50.0°F	48.7°F	49.2°F
Mar 10	49.8°F	48.3°F	49.0°F
Mar 11	49.9°F	48.2°F	49.1°F
Mar 12	50.2°F	48.3°F	49.4°F
Mar 13	50.4°F	48.7°F	49.6°F
Mar 14	50.4°F	49.5°F	49.6°F
Mar 15	50.2°F	49.2°F	49.4°F
Mar 16	50.2°F	49.1°F	49.4°F
Mar 17	50.5°F	49.3°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 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, 53.7°F in Spring, 75.5°F in Summer, and 72.0°F in Autumn.