Kaanapali Beach Sea Temperature
Updated Sat 06:36 (Pacific/Honolulu)
USA · Forecast updated Aug 8, 2026, 06:36 UTC
Current Sea Temperature
26.8°C
80.2°F
Warm water
Versus this month's average
0.3°C below
The August average in our archive is 27.1°C (80.8°F).
Recent trend
Warming by 0.3°C
Seven-day average: 27.1°C, versus 26.8°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 Kaanapali Beach, monthly averages range from about 26.4°C (79.6°F) in June to 27.1°C (80.8°F) in August.
Over the past 30 days, the average sea temperature in Kaanapali Beach has been 27.0°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 25.8°C / 78.4°F | 26.4°C / 79.6°F | 27.4°C / 81.3°F |
| July | 26.4°C / 79.5°F | 26.9°C / 80.5°F | 27.6°C / 81.7°F |
| August | 26.5°C / 79.7°F | 27.1°C / 80.8°F | 27.7°C / 81.9°F |
Profile calculated from 1647 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Kaanapali Beach
Kaanapali Beach is a West Maui resort beach with accessible reef snorkeling around Black Rock. Conditions are usually best in the morning before trade winds and afternoon chop build along the shore.
- Area
- Maui, Hawaii
Kaanapali Beach Water Temperature: Common Questions
What is the sea temperature in Kaanapali Beach today?
The current sea surface temperature in Kaanapali Beach is 26.8°C. Over the last 30 days, the average has been 27.0°C.
When is the water warmest in Kaanapali Beach?
The warmest monthly average in the Kaanapali Beach archive is August, at around 27.1°C (80.8°F).
When is the water coldest in Kaanapali Beach?
The coldest monthly average in the archive is June, at around 26.4°C (79.6°F).
Can you swim in Kaanapali Beach today?
At 26.8°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 Kaanapali Beach.
View Snorkel Forecast →