Ahihi Kinau Sea Temperature
Updated Wed 16:26 (Pacific/Honolulu)
USA · Forecast updated Aug 12, 2026, 16:26 UTC
Current Sea Temperature
27.4°C
81.3°F
Warm water
Versus this month's average
Close to average
The August average in our archive is 27.5°C (81.4°F).
Recent trend
Holding fairly steady
Seven-day average: 27.4°C, versus 27.4°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Ahihi Kinau, monthly averages range from about 27.0°C (80.7°F) in June to 27.5°C (81.4°F) in August.
Over the past 30 days, the average sea temperature in Ahihi Kinau has been 27.3°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 26.6°C / 79.9°F | 27.0°C / 80.7°F | 27.3°C / 81.1°F |
| July | 26.6°C / 79.9°F | 27.1°C / 80.9°F | 27.9°C / 82.2°F |
| August | 26.9°C / 80.4°F | 27.5°C / 81.4°F | 28.0°C / 82.4°F |
Profile calculated from 1158 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Ahihi Kinau
Ahihi Kinau Natural Area Reserve protects lava-rock reef habitat on South Maui. It can be excellent in calm weather, but exposed rock entries and changing surge make low-wind, low-swell windows important.
- Area
- Maui, Hawaii
Ahihi Kinau Water Temperature: Common Questions
What is the sea temperature in Ahihi Kinau today?
The current sea surface temperature in Ahihi Kinau is 27.4°C. Over the last 30 days, the average has been 27.3°C.
When is the water warmest in Ahihi Kinau?
The warmest monthly average in the Ahihi Kinau archive is August, at around 27.5°C (81.4°F).
When is the water coldest in Ahihi Kinau?
The coldest monthly average in the archive is June, at around 27.0°C (80.7°F).
Can you swim in Ahihi Kinau today?
At 27.4°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Ahihi Kinau.
View Snorkel Forecast →