All data are in degrees Fahrenheit

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Water temperature in Negombo

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

86.7

°F

May 18, 21:49

Trend:

decreasing

Yesterday:

86.9°F

Tomorrow:

86.6°F

Sunrise:

05:53

Sunset:

18:21

Day Length:

12 h. 28 min.

Negombo in May

Minimum:

81.4°F

Average:

82.7°F

Maximum:

84.6°F

Sea water temperature in Negombo today

As of now, in Negombo, the water temperature is 86.7°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 1.2°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 considerably 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 86.8°F on 2023, while the historical minimum was 84.5°F on 2022.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 86.3°F, the minimum temperature may reach 85.8°F, and the maximum might stay at 86.6°F.

Daily water temperature in Negombo

Date Current Year

actual* / forecast**

last year 10 years average
May 4 88.6°F 86.4°F 86.6°F
May 5 89.2°F 86.3°F 86.7°F
May 6 88.5°F 86.2°F 86.5°F
May 7 88.2°F 86.2°F 86.6°F
May 8 87.8°F 86.1°F 86.5°F
May 9 88.2°F 86.1°F 86.6°F
May 10 87.9°F 85.9°F 86.4°F
May 11 87.7°F 85.9°F 86.2°F
May 12 87.5°F 85.6°F 86.1°F
May 13 87.5°F 85.5°F 86.0°F
May 14 87.5°F 85.4°F 86.1°F
May 15 87.3°F 85.3°F 85.9°F
May 16 87.0°F 85.6°F 85.8°F
May 17 86.9°F 85.6°F 85.7°F
May 18 86.7°F 86.8°F 85.5°F
May 19 86.6°F 86.2°F 85.4°F
May 20 86.5°F 86.2°F 85.3°F
May 21 86.4°F 85.8°F 85.2°F
May 22 86.3°F 85.4°F 85.0°F
May 23 86.2°F 85.8°F 85.0°F
May 24 86.0°F 85.6°F 84.8°F
May 25 85.8°F 85.7°F 84.6°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 Negombo by month

In Negombo, the water temperature is comfortable for swimming all year round.
The warmest water in Negombo was recorded on May 5, 2024, reaching a 89.2°F. While the coldest temperature occurred on August 27, 2018, dipping to 78.9°F. The average readings by season are 82.9°F in Winter, 85.7°F in Spring, 82.7°F in Summer, and 83.3°F in Autumn.