What is the current water temperature in Honolulu?

As of now, in Honolulu, the water temperature is 26.34°F. It's safe to say that the water is comfortably warm for various water-related activities.

United States > Honolulu

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.

79.4

°F

July 17, 06:06

Trend:

increasing

Yesterday:

79.2°F

Tomorrow:

79.4°F

Sunrise:

05:59

Sunset:

19:16

Day Length:

13 h. 17 min.

Honolulu in July

Minimum:

75.9°F

Average:

77.1°F

Maximum:

78.4°F

Sea water temperature in Honolulu today

As of now, in Honolulu, the water temperature is 79.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°F lower than 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 82.0°F on 2019, while the historical minimum was 79.1°F on 2024.

latest data

last year

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 79.5°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
Jul 3	79.5°F	79.0°F	79.7°F
Jul 4	79.5°F	79.1°F	79.7°F
Jul 5	79.2°F	79.3°F	79.7°F
Jul 6	79.2°F	79.4°F	79.8°F
Jul 7	79.1°F	79.5°F	79.7°F
Jul 8	79.0°F	79.3°F	79.7°F
Jul 9	78.7°F	79.3°F	79.6°F
Jul 10	78.5°F	79.5°F	79.6°F
Jul 11	78.7°F	79.6°F	79.6°F
Jul 12	78.7°F	79.5°F	79.6°F
Jul 13	78.9°F	79.2°F	79.8°F
Jul 14	79.1°F	79.2°F	79.8°F
Jul 15	79.1°F	79.2°F	79.9°F
Jul 16	79.2°F	79.1°F	79.9°F
Jul 17	79.4°F	79.1°F	80.0°F
Jul 18	79.4°F	79.1°F	80.1°F
Jul 19	79.5°F	79.0°F	80.1°F
Jul 20	79.5°F	78.9°F	80.1°F
Jul 21	79.5°F	79.0°F	80.1°F
Jul 22	79.5°F	79.2°F	80.1°F
Jul 23	79.5°F	79.1°F	80.1°F
Jul 24	79.5°F	79.0°F	80.1°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.