Two Step Honaunau Sea Temperature
USA · Forecast updated Jul 15, 2026, 07:29 UTC
Current Sea Temperature
28.1°C
82.6°F
Very warm water
Versus this month's average
Close to average
The July average in our archive is 28.2°C (82.7°F).
Recent trend
Holding fairly steady
Seven-day average: 28.2°C, versus 28.2°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not mean the sea is safe.
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 28.2°C (82.7°F) in July.
Over the past 30 days, the average sea temperature in Two Step Honaunau has been 27.9°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 | 27.7°C / 81.9°F | 28.2°C / 82.7°F | 28.7°C / 83.7°F |
Profile calculated from 1072 hourly forecast records across 2 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 28.1°C. Over the last 30 days, the average has been 27.9°C.
When is the water warmest in Two Step Honaunau?
The warmest monthly average in the Two Step Honaunau archive is July, at around 28.2°C (82.7°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?
Yes — at 28.1°C the water is warm enough for comfortable 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 →