What is the current water temperature in Hilo?

As of now, in Hilo, the water temperature is 25.43°F. It's safe to say that the water is comfortably warm for various water-related activities.

United States > Hilo

Water temperature in Hilo

Detailed information about the current water temperature in Hilo. 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.

77.8

°F

May 6, 07:49

Trend:

increasing

Yesterday:

77.6°F

Tomorrow:

77.8°F

Sunrise:

05:49

Sunset:

18:45

Day Length:

12 h. 56 min.

Hilo in May

Minimum:

76.1°F

Average:

77.1°F

Maximum:

78.6°F

Sea water temperature in Hilo today

As of now, in Hilo, the water temperature is 77.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°F higher 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

Today's water temperature slightly varies from the average of the past two weeks. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.1°F on 2017, while the historical minimum was 75.2°F on 2024.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 78.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hilo

Date	Current Year actual* / forecast**	last year	10 years average
Apr 22	77.7°F	77.6°F	76.6°F
Apr 23	78.2°F	77.2°F	76.7°F
Apr 24	78.5°F	77.0°F	76.8°F
Apr 25	78.2°F	76.9°F	76.8°F
Apr 26	78.2°F	76.9°F	76.8°F
Apr 27	78.2°F	77.1°F	76.8°F
Apr 28	78.2°F	77.1°F	76.9°F
Apr 29	77.9°F	77.2°F	76.8°F
Apr 30	77.7°F	77.2°F	76.8°F
May 1	77.8°F	77.3°F	76.9°F
May 2	77.7°F	77.9°F	76.9°F
May 3	77.6°F	77.9°F	77.0°F
May 4	77.4°F	77.9°F	77.1°F
May 5	77.6°F	77.8°F	77.0°F
May 6	77.8°F	77.6°F	76.9°F
May 7	77.8°F	77.6°F	76.9°F
May 8	77.8°F	77.5°F	76.9°F
May 9	78.0°F	78.1°F	77.1°F
May 10	78.0°F	78.0°F	77.1°F
May 11	78.2°F	78.2°F	77.3°F
May 12	78.2°F	78.2°F	77.3°F
May 13	78.4°F	77.9°F	77.5°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 Hilo by month

In Hilo, the water temperature is comfortable for swimming all year round.

The warmest water in Hilo was recorded on August 30, 2019, reaching a 82.0°F. While the coldest temperature occurred on March 14, 2018, dipping to 74.0°F. The average readings by season are 76.8°F in Winter, 76.6°F in Spring, 79.2°F in Summer, and 79.9°F in Autumn.