All data are in degrees Fahrenheit

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Water temperature in Honolulu

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

78.5

°F

June 5, 10:17

Trend:

increasing

Yesterday:

78.2°F

Tomorrow:

78.5°F

Sunrise:

05:49

Sunset:

19:11

Day Length:

13 h. 22 min.

Honolulu in June

Minimum:

75.8°F

Average:

77.1°F

Maximum:

78.4°F

Sea water temperature in Honolulu today

As of now, in Honolulu, the water temperature is 78.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 79.2°F on 2020, while the historical minimum was 77.5°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Honolulu

Date Current Year

actual* / forecast**

last year 10 years average
May 22 78.3°F 77.5°F 78.2°F
May 23 78.2°F 77.9°F 78.3°F
May 24 78.2°F 78.4°F 78.3°F
May 25 78.1°F 78.5°F 78.4°F
May 26 78.0°F 78.6°F 78.4°F
May 27 77.9°F 78.4°F 78.3°F
May 28 78.0°F 78.5°F 78.3°F
May 29 77.7°F 78.5°F 78.3°F
May 30 78.0°F 78.5°F 78.4°F
May 31 78.1°F 78.4°F 78.5°F
Jun 1 78.3°F 78.4°F 78.4°F
Jun 2 78.8°F 78.2°F 78.4°F
Jun 3 78.7°F 78.0°F 78.4°F
Jun 4 78.2°F 78.1°F 78.4°F
Jun 5 78.5°F 78.2°F 78.5°F
Jun 6 78.5°F 78.2°F 78.6°F
Jun 7 78.6°F 78.6°F 78.6°F
Jun 8 78.7°F 78.8°F 78.8°F
Jun 9 78.8°F 79.1°F 78.9°F
Jun 10 78.8°F 78.9°F 78.9°F
Jun 11 78.8°F 78.3°F 78.8°F
Jun 12 78.8°F 78.2°F 78.8°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 Honolulu by month

In Honolulu, the water temperature is comfortable for swimming all year round.
The warmest water in Honolulu was recorded on September 10, 2015, reaching a 84.3°F. While the coldest temperature occurred on March 2, 2019, dipping to 73.7°F. The average readings by season are 77.1°F in Winter, 77.0°F in Spring, 79.9°F in Summer, and 80.7°F in Autumn.