All data are in degrees Fahrenheit

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Water temperature in Haiphong

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

66.6

°F

January 22, 03:04

Trend:

decreasing

Yesterday:

66.7°F

Tomorrow:

66.6°F

Sunrise:

06:33

Sunset:

17:37

Day Length:

11 h. 4 min.

Haiphong in January

Minimum:

63.7°F

Average:

68.4°F

Maximum:

71.1°F

Sea water temperature in Haiphong today

As of now, in Haiphong, the water temperature is 66.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.3°F lower 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 69.1°F on 2020, while the historical minimum was 61.0°F on 2025.

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 shows a gradual cooling trend. The average temperature is expected to be 66.2°F, the minimum temperature may reach 65.8°F, and the maximum might stay at 66.6°F.

Daily water temperature in Haiphong

Date Current Year

actual* / forecast**

last year 10 years average
Jan 8 64.8°F 63.2°F 68.1°F
Jan 9 63.4°F 63.6°F 68.3°F
Jan 10 62.9°F 63.8°F 68.1°F
Jan 11 62.2°F 64.0°F 67.9°F
Jan 12 62.5°F 62.9°F 67.7°F
Jan 13 63.0°F 61.2°F 67.4°F
Jan 14 63.5°F 61.8°F 67.3°F
Jan 15 64.5°F 62.3°F 67.5°F
Jan 16 65.3°F 62.8°F 67.5°F
Jan 17 65.7°F 61.8°F 67.5°F
Jan 18 65.9°F 61.2°F 67.4°F
Jan 19 66.3°F 61.8°F 67.4°F
Jan 20 67.0°F 60.9°F 67.3°F
Jan 21 66.7°F 61.3°F 67.0°F
Jan 22 66.6°F 61.0°F 66.9°F
Jan 23 66.6°F 61.7°F 66.8°F
Jan 24 66.5°F 62.2°F 66.8°F
Jan 25 66.1°F 62.5°F 66.4°F
Jan 26 66.0°F 62.9°F 66.3°F
Jan 27 66.0°F 63.1°F 66.3°F
Jan 28 66.1°F 63.2°F 66.4°F
Jan 29 65.8°F 61.7°F 66.1°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 Haiphong by month

In Haiphong, the months April through November offer comfortable swimming conditions, which amounts to 242 swimming days.
The warmest water in Haiphong was recorded on June 21, 2021, reaching a 89.8°F. While the coldest temperature occurred on January 20, 2025, dipping to 60.9°F. The average readings by season are 68.4°F in Winter, 76.2°F in Spring, 86.2°F in Summer, and 81.1°F in Autumn.