Anini Beach Sea Temperature
Updated Wed 15:16 (Pacific/Honolulu)
USA · Forecast updated Aug 12, 2026, 15:16 UTC
Current Sea Temperature
26.6°C
79.9°F
Warm water
Versus this month's average
Close to average
The August average in our archive is 26.5°C (79.8°F).
Recent trend
Holding fairly steady
Seven-day average: 26.6°C, versus 26.5°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 Anini Beach, monthly averages range from about 25.1°C (77.2°F) in June to 26.5°C (79.8°F) in August.
Over the past 30 days, the average sea temperature in Anini Beach has been 26.5°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 25.0°C / 77.0°F | 25.1°C / 77.2°F | 25.2°C / 77.4°F |
| July | 25.1°C / 77.2°F | 26.2°C / 79.1°F | 26.9°C / 80.4°F |
| August | 26.1°C / 79.0°F | 26.5°C / 79.8°F | 26.8°C / 80.2°F |
Profile calculated from 1156 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Anini Beach
Long protected reef lagoon that is often one of Kauai's calmer snorkel options.
- Area
- North Shore
- Local timing
- Morning
- Exposure
- Reef-protected north shore; avoid high surf
- Entry type
- Long sandy beach behind barrier reef
- Difficulty
- Easy
Anini Beach Water Temperature: Common Questions
What is the sea temperature in Anini Beach today?
The current sea surface temperature in Anini Beach is 26.6°C. Over the last 30 days, the average has been 26.5°C.
When is the water warmest in Anini Beach?
The warmest monthly average in the Anini Beach archive is August, at around 26.5°C (79.8°F).
When is the water coldest in Anini Beach?
The coldest monthly average in the archive is June, at around 25.1°C (77.2°F).
Can you swim in Anini Beach today?
At 26.6°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 Anini Beach.
View Snorkel Forecast →