All data are in degrees Fahrenheit

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Water temperature in Nantong

Detailed information about the current water temperature in Nantong. 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 Nantong now

52.1

°F

March 2, 02:43

Trend:

stable

Yesterday:

51.4°F

Tomorrow:

51.8°F

Sunrise:

06:24

Sunset:

17:55

Day Length:

11 h. 31 min.

Nantong in March

Minimum:

47.3°F

Average:

49.7°F

Maximum:

53.3°F

Sea water temperature in Nantong today

As of now, in Nantong, the water temperature is 52.1°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 2.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 53.4°F on 2025, while the historical minimum was 46.0°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Nantong

Date Current Year

actual* / forecast**

last year 10 years average
Feb 16 49.4°F 44.9°F 47.2°F
Feb 17 48.8°F 49.3°F 47.4°F
Feb 18 49.5°F 49.5°F 47.6°F
Feb 19 48.8°F 49.1°F 47.6°F
Feb 20 49.9°F 48.7°F 47.9°F
Feb 21 49.0°F 48.3°F 47.6°F
Feb 22 50.5°F 47.9°F 47.9°F
Feb 23 49.4°F 47.6°F 47.7°F
Feb 24 48.9°F 48.6°F 47.8°F
Feb 25 49.2°F 49.2°F 48.1°F
Feb 26 49.1°F 48.3°F 48.2°F
Feb 27 49.1°F 48.2°F 48.5°F
Feb 28 49.1°F 49.4°F 48.6°F
Mar 1 51.4°F 49.7°F 48.8°F
Mar 2 52.1°F 53.4°F 49.4°F
Mar 3 51.8°F 52.8°F 49.1°F
Mar 4 51.9°F 52.2°F 49.2°F
Mar 5 52.5°F 51.8°F 49.8°F
Mar 6 52.5°F 51.5°F 49.8°F
Mar 7 52.5°F 50.4°F 49.9°F
Mar 8 52.8°F 49.4°F 50.2°F
Mar 9 52.9°F 49.9°F 50.2°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 Nantong by month

In Nantong, the months June through September offer comfortable swimming conditions, which amounts to 131 swimming days.
The warmest water in Nantong was recorded on August 13, 2022, reaching a 91.2°F. While the coldest temperature occurred on February 8, 2016, dipping to 41.8°F. The average readings by season are 50.6°F in Winter, 60.4°F in Spring, 81.5°F in Summer, and 73.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Zhangjiagang 51.5°F 23mi
Changshu 52.0°F 28mi
Jiangyin 50.8°F 37mi
Wuxi 50.3°F 47mi
Suzhou 51.2°F 53mi
Changzhou 51.0°F 57mi
Zhabei 49.7°F 63mi
Shanghai 49.7°F 66mi

* current water temperature in this city

** straight line distance from Nantong