All data are in degrees Fahrenheit

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Water temperature in Beihai

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

84.8

°F

September 24, 10:45

Trend:

decreasing

Yesterday:

84.9°F

Tomorrow:

84.6°F

Sunrise:

06:33

Sunset:

18:39

Day Length:

12 h. 6 min.

Beihai in September

Minimum:

62.5°F

Average:

65.9°F

Maximum:

71.9°F

Sea water temperature in Beihai today

As of now, in Beihai, the water temperature is 84.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.6°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 87.2°F on 2017, while the historical minimum was 83.7°F on 2019.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 84.3°F, the minimum temperature may reach 84.2°F, and the maximum might stay at 84.6°F.

Daily water temperature in Beihai

Date Current Year

actual* / forecast**

last year 10 years average
Sep 10 83.3°F 86.5°F 86.1°F
Sep 11 84.6°F 86.4°F 85.9°F
Sep 12 83.5°F 87.3°F 86.0°F
Sep 13 83.3°F 87.4°F 86.0°F
Sep 14 83.9°F 87.6°F 86.0°F
Sep 15 83.9°F 87.3°F 86.1°F
Sep 16 83.5°F 86.9°F 86.1°F
Sep 17 83.5°F 86.7°F 86.1°F
Sep 18 83.4°F 86.5°F 86.1°F
Sep 19 84.1°F 86.1°F 86.1°F
Sep 20 83.9°F 85.8°F 85.9°F
Sep 21 84.2°F 85.8°F 85.9°F
Sep 22 85.0°F 85.4°F 85.6°F
Sep 23 84.9°F 85.7°F 85.5°F
Sep 24 84.8°F 85.7°F 85.5°F
Sep 25 84.6°F 85.4°F 85.2°F
Sep 26 84.5°F 85.1°F 85.1°F
Sep 27 84.3°F 83.6°F 85.0°F
Sep 28 84.4°F 83.6°F 85.0°F
Sep 29 84.3°F 83.5°F 84.9°F
Sep 30 84.2°F 83.5°F 84.9°F
Oct 1 84.3°F 82.9°F 84.9°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 Beihai by month

In Beihai, the months April through November offer comfortable swimming conditions, which amounts to 242 swimming days.
The warmest water in Beihai was recorded on June 6, 2026, reaching a 90.3°F. While the coldest temperature occurred on January 31, 2023, dipping to 58.1°F. The average readings by season are 66.3°F in Winter, 77.0°F in Spring, 87.1°F in Summer, and 80.9°F in Autumn.