All data are in degrees Fahrenheit

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Water temperature in Nuku‘alofa

Detailed information about the current water temperature in Nuku‘alofa. 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 Nuku‘alofa now

73.9

°F

August 16, 23:22

Trend:

stable

Yesterday:

73.8°F

Tomorrow:

73.8°F

Sunrise:

07:03

Sunset:

18:27

Day Length:

11 h. 24 min.

Nuku‘alofa in August

Minimum:

79.5°F

Average:

81.2°F

Maximum:

83.3°F

Sea water temperature in Nuku‘alofa today

As of now, in Nuku‘alofa, the water temperature is 73.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 76.5°F on 2019, while the historical minimum was 74.5°F on 2024.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Nuku‘alofa

Date Current Year

actual* / forecast**

last year 10 years average
Aug 2 72.8°F 74.4°F 75.4°F
Aug 3 73.0°F 74.1°F 75.3°F
Aug 4 72.9°F 74.1°F 75.2°F
Aug 5 72.7°F 74.0°F 75.2°F
Aug 6 72.9°F 74.2°F 75.3°F
Aug 7 72.6°F 74.1°F 75.3°F
Aug 8 72.8°F 74.3°F 75.3°F
Aug 9 72.6°F 74.5°F 75.4°F
Aug 10 73.0°F 74.5°F 75.4°F
Aug 11 73.0°F 74.6°F 75.5°F
Aug 12 72.6°F 75.2°F 75.3°F
Aug 13 72.8°F 75.1°F 75.4°F
Aug 14 73.2°F 74.8°F 75.3°F
Aug 15 73.8°F 74.7°F 75.3°F
Aug 16 73.9°F 74.8°F 75.4°F
Aug 17 73.8°F 74.4°F 75.3°F
Aug 18 73.7°F 74.2°F 75.2°F
Aug 19 73.7°F 74.3°F 75.2°F
Aug 20 73.8°F 74.7°F 75.3°F
Aug 21 73.9°F 74.7°F 75.4°F
Aug 22 74.0°F 74.4°F 75.5°F
Aug 23 74.0°F 74.7°F 75.5°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 Nuku‘alofa by month

In Nuku‘alofa, the water temperature is comfortable for swimming all year round.
The warmest water in Nuku‘alofa was recorded on February 23, 2026, reaching a 85.8°F. While the coldest temperature occurred on July 26, 2026, dipping to 72.5°F. The average readings by season are 81.5°F in Winter, 80.7°F in Spring, 76.3°F in Summer, and 76.7°F in Autumn.