Kaanapali Beach Sea Temperature
USA · Forecast updated Jul 16, 2026, 04:28 UTC
Current Sea Temperature
27.3°C
81.1°F
Warm water
Versus this month's average
0.4°C above
The July average in our archive is 26.9°C (80.4°F).
Recent trend
Holding fairly steady
Seven-day average: 27.0°C, versus 26.7°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 mean the sea is safe.
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 26.9°C (80.4°F) in July.
Over the past 30 days, the average sea temperature in Kaanapali Beach has been 26.8°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 / 80.4°F | 27.5°C / 81.5°F |
Profile calculated from 1093 hourly forecast records across 2 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 27.3°C. Over the last 30 days, the average has been 26.8°C.
When is the water warmest in Kaanapali Beach?
The warmest monthly average in the Kaanapali Beach archive is July, at around 26.9°C (80.4°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?
Yes — at 27.3°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 Kaanapali Beach.
View Snorkel Forecast →