Hawaii, United States
Coastal Waters19.39°N, 154.93°WStation UN-HAW-KEH

Kehena Beach Sea Water Temperature

A tropical beach on the Coastal Waters, warmest around September at about 26.6°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Kehena Beach water temperature

26.6
79.9°FWarm & Ideal (24°C – 28°C)

Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.

+0°vs Sep avgCoastal Waters19.39°N, 154.93°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
28°C
82.6°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
26.6°C
79.9°F
Waves: 1m
Warm
ThuOct 1
26.9°C
80.4°F
Waves: 0.9m
Warm
FriOct 2
27°C
80.6°F
Waves: 0.7m
Warm
SatOct 3
26.9°C
80.4°F
Waves: 0.6m
Warm
SunOct 4
26.6°C
79.9°F
Waves: 0.7m
Warm
MonOct 5
26.3°C
79.3°F
Waves: 0.9m
Warm
TueOct 6
26.2°C
79.2°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Kehena Beach.
Confidence: High

Kehena Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Kehena Beach occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at26.6°C (79.9°F) in September.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
25
Jan
24
Feb
24
Mar
25
Apr
25
May
25
Jun
26
Jul
26
Aug
Current
27
Sep
26
Oct
26
Nov
25
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January23°C24.5°C25.6°CWarm & Ideal (24°C – 28°C)
February23.2°C24.3°C25.4°CWarm & Ideal (24°C – 28°C)
March22.5°C24.2°C25.1°CWarm & Ideal (24°C – 28°C)
April23.3°C24.5°C25.6°CWarm & Ideal (24°C – 28°C)
May24°C25°C26.2°CWarm & Ideal (24°C – 28°C)
June24°C25.3°C26.7°CWarm & Ideal (24°C – 28°C)
July25°C25.9°C26.9°CWarm & Ideal (24°C – 28°C)
August25.3°C26.2°C27.5°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent25.3°C26.6°C28.6°CWarm & Ideal (24°C – 28°C)
October25.3°C26.4°C27.5°CWarm & Ideal (24°C – 28°C)
November24.7°C26°C27.5°CWarm & Ideal (24°C – 28°C)
December23.7°C25.2°C26.2°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for Kehena Beach

Is the sea warm enough to swim in Kehena Beach today?

Typical sea surface temperature in Kehena Beach this time of year is 26.6°C (79.9°F) — classified as Warm & Ideal (24°C – 28°C). Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold. Live readings load automatically.

What are the warmest months for swimming in Kehena Beach?

The highest water temperatures in Kehena Beach typically occur duringJanuary, February, March, April, May, June, July, August, September, October, November, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Kehena Beach in September?

Historically in September, water temperatures in Kehena Beach average around26.6°C (79.9°F), fluctuating between a recorded minimum of 25.3°C and a maximum of 28.6°C.

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Kehena Beach Coastal Zone Map

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