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

86.9

°F

August 27, 04:07

Trend:

decreasing

Yesterday:

87.0°F

Tomorrow:

86.8°F

Sunrise:

06:25

Sunset:

19:05

Day Length:

12 h. 40 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 86.9°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 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 is considerably lower than the average registered over the last two weeks, indicating a slight cooling 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 88.2°F on 2021, while the historical minimum was 85.7°F on 2019.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 86.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Beihai

Date Current Year

actual* / forecast**

last year 10 years average
Aug 13 88.1°F 88.1°F 87.2°F
Aug 14 87.5°F 88.5°F 87.1°F
Aug 15 88.1°F 88.2°F 86.8°F
Aug 16 88.8°F 87.9°F 87.0°F
Aug 17 89.9°F 87.7°F 87.0°F
Aug 18 89.5°F 87.6°F 87.1°F
Aug 19 89.0°F 87.4°F 86.9°F
Aug 20 88.6°F 86.9°F 86.7°F
Aug 21 89.0°F 86.8°F 87.0°F
Aug 22 87.9°F 86.8°F 86.8°F
Aug 23 87.4°F 86.8°F 86.7°F
Aug 24 87.0°F 87.4°F 86.9°F
Aug 25 86.9°F 87.1°F 87.0°F
Aug 26 87.0°F 87.1°F 87.1°F
Aug 27 86.9°F 86.9°F 87.0°F
Aug 28 86.8°F 87.0°F 87.0°F
Aug 29 86.8°F 87.6°F 86.9°F
Aug 30 86.8°F 87.6°F 87.0°F
Aug 31 86.5°F 86.6°F 86.6°F
Sep 1 86.5°F 86.6°F 86.6°F
Sep 2 86.5°F 86.5°F 86.6°F
Sep 3 86.5°F 86.4°F 86.6°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.