All data are in degrees Fahrenheit

en

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

73.1

°F

July 19, 19:34

Trend:

stable

Yesterday:

73.1°F

Tomorrow:

73.2°F

Sunrise:

07:17

Sunset:

18:17

Day Length:

11 h. 0 min.

Nuku‘alofa in July

Minimum:

79.7°F

Average:

81.1°F

Maximum:

83.5°F

Sea water temperature in Nuku‘alofa today

As of now, in Nuku‘alofa, the water temperature is 73.1°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 2.8°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 77.1°F on 2022, while the historical minimum was 74.7°F on 2017.

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 73.2°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
Jul 5 74.1°F 76.3°F 76.2°F
Jul 6 73.4°F 76.5°F 76.1°F
Jul 7 73.9°F 76.6°F 76.2°F
Jul 8 74.2°F 76.5°F 76.1°F
Jul 9 74.1°F 76.4°F 76.0°F
Jul 10 74.0°F 76.2°F 76.0°F
Jul 11 74.0°F 75.9°F 75.9°F
Jul 12 73.9°F 75.8°F 75.9°F
Jul 13 74.0°F 75.7°F 75.9°F
Jul 14 73.8°F 75.7°F 75.8°F
Jul 15 73.6°F 76.0°F 75.8°F
Jul 16 73.4°F 75.7°F 75.8°F
Jul 17 73.5°F 75.9°F 75.8°F
Jul 18 73.1°F 76.1°F 75.9°F
Jul 19 73.1°F 76.2°F 75.9°F
Jul 20 73.2°F 75.8°F 76.0°F
Jul 21 73.2°F 75.6°F 76.1°F
Jul 22 73.3°F 75.4°F 76.1°F
Jul 23 73.2°F 75.4°F 76.1°F
Jul 24 73.2°F 75.6°F 76.0°F
Jul 25 73.1°F 75.2°F 76.0°F
Jul 26 73.2°F 75.3°F 76.0°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 16, 2026, dipping to 73.4°F. The average readings by season are 81.5°F in Winter, 80.7°F in Spring, 76.4°F in Summer, and 76.7°F in Autumn.