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

72.6

°F

October 5, 09:58

Trend:

stable

Yesterday:

72.6°F

Tomorrow:

72.9°F

Sunrise:

06:18

Sunset:

18:40

Day Length:

12 h. 22 min.

Nuku‘alofa in October

Minimum:

79.6°F

Average:

81.5°F

Maximum:

83.7°F

Sea water temperature in Nuku‘alofa today

As of now, in Nuku‘alofa, the water temperature is 72.6°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 3.1°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 rise a bit.

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 77.4°F on 2022, while the historical minimum was 74.3°F on 2023.

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 suggests a gradual increase. The average temperature is expected to rise up to 73.1°F, with minimum temperature starting at 72.9°F, while the maximum might reach 73.3°F.

Daily water temperature in Nuku‘alofa

Date Current Year

actual* / forecast**

last year 10 years average
Sep 21 73.3°F 74.9°F 75.3°F
Sep 22 73.7°F 74.5°F 75.3°F
Sep 23 73.5°F 74.1°F 75.3°F
Sep 24 73.5°F 74.3°F 75.3°F
Sep 25 73.8°F 74.8°F 75.3°F
Sep 26 73.7°F 74.9°F 75.3°F
Sep 27 73.0°F 74.8°F 75.4°F
Sep 28 72.7°F 75.8°F 75.6°F
Sep 29 72.5°F 75.5°F 75.5°F
Sep 30 72.7°F 75.2°F 75.7°F
Oct 1 72.3°F 75.0°F 75.7°F
Oct 2 73.4°F 75.2°F 75.6°F
Oct 3 73.2°F 75.0°F 75.6°F
Oct 4 72.6°F 74.9°F 75.8°F
Oct 5 72.6°F 75.4°F 75.8°F
Oct 6 72.9°F 75.8°F 76.0°F
Oct 7 72.9°F 75.3°F 76.0°F
Oct 8 73.1°F 75.4°F 76.3°F
Oct 9 73.2°F 75.1°F 76.3°F
Oct 10 73.1°F 75.3°F 76.2°F
Oct 11 73.0°F 74.8°F 76.1°F
Oct 12 73.3°F 75.0°F 76.4°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 August 25, 2026, dipping to 72.2°F. The average readings by season are 81.5°F in Winter, 80.7°F in Spring, 76.2°F in Summer, and 76.7°F in Autumn.