Two Step Honaunau Sea Temperature
Updated Sat 13:32 (Pacific/Honolulu)
USA · Forecast updated Aug 8, 2026, 13:32 UTC
Current Sea Temperature
27.2°C
81.0°F
Warm water
Versus this month's average
0.5°C below
The August average in our archive is 27.7°C (81.8°F).
Recent trend
Holding fairly steady
Seven-day average: 27.6°C, versus 27.6°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 Two Step Honaunau, monthly averages range from about 27.4°C (81.3°F) in June to 27.9°C (82.2°F) in July.
Over the past 30 days, the average sea temperature in Two Step Honaunau has been 27.7°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 26.6°C / 79.9°F | 27.4°C / 81.3°F | 28.3°C / 82.9°F |
| July | 26.9°C / 80.4°F | 27.9°C / 82.2°F | 28.7°C / 83.7°F |
| August | 27.2°C / 81.0°F | 27.7°C / 81.8°F | 28.4°C / 83.1°F |
Profile calculated from 1654 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Two Step Honaunau
Next to Pu'uhonua o Honaunau on the Big Island, Two Step is a celebrated Kona-coast snorkeling site with an easy lava-ledge entry, thriving reef and frequent dolphins. Go early for the calmest, clearest conditions.
- Area
- Big Island, Hawaii
Two Step Honaunau Water Temperature: Common Questions
What is the sea temperature in Two Step Honaunau today?
The current sea surface temperature in Two Step Honaunau is 27.2°C. Over the last 30 days, the average has been 27.7°C.
When is the water warmest in Two Step Honaunau?
The warmest monthly average in the Two Step Honaunau archive is July, at around 27.9°C (82.2°F).
When is the water coldest in Two Step Honaunau?
The coldest monthly average in the archive is June, at around 27.4°C (81.3°F).
Can you swim in Two Step Honaunau today?
At 27.2°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 Two Step Honaunau.
View Snorkel Forecast →