Hawaii, United States
Coastal Waters19.68°N, 156.03°WStation UN-HAW-HON

Honokohau Harbor Beach Sea Water Temperature

A tropical beach on the Coastal Waters, warmest around September at about 27.3°C. Today's reading, 7-day forecast, and monthly averages below.

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

Honokohau Harbor Beach water temperature

27.3
81.1°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 Waters19.68°N, 156.03°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
29°C
83.8°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
27.3°C
81.1°F
Waves: 1m
Warm
ThuOct 1
27.6°C
81.7°F
Waves: 0.9m
Warm
FriOct 2
27.7°C
81.9°F
Waves: 0.7m
Warm
SatOct 3
27.6°C
81.7°F
Waves: 0.6m
Warm
SunOct 4
27.3°C
81.1°F
Waves: 0.7m
Warm
MonOct 5
27°C
80.6°F
Waves: 0.9m
Warm
TueOct 6
26.9°C
80.4°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Honokohau Harbor Beach.
Confidence: High

Honokohau Harbor Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Honokohau Harbor Beach occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at27.3°C (81.1°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
25
Feb
25
Mar
25
Apr
26
May
26
Jun
27
Jul
27
Aug
Current
27
Sep
27
Oct
27
Nov
26
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January23.7°C25.1°C25.9°CWarm & Ideal (24°C – 28°C)
February24°C24.9°C26.1°CWarm & Ideal (24°C – 28°C)
March23.3°C24.7°C25.7°CWarm & Ideal (24°C – 28°C)
April23.7°C25.1°C26.4°CWarm & Ideal (24°C – 28°C)
May25°C25.8°C27.6°CWarm & Ideal (24°C – 28°C)
June24.5°C26.1°C27°CWarm & Ideal (24°C – 28°C)
July25°C26.6°C27.8°CWarm & Ideal (24°C – 28°C)
August25.7°C27.1°C28.4°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent25.9°C27.3°C29.2°CWarm & Ideal (24°C – 28°C)
October25.8°C27.2°C28.5°CWarm & Ideal (24°C – 28°C)
November25.2°C26.6°C28°CWarm & Ideal (24°C – 28°C)
December24.3°C25.7°C26.8°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for Honokohau Harbor Beach

Is the sea warm enough to swim in Honokohau Harbor Beach today?

Typical sea surface temperature in Honokohau Harbor Beach this time of year is 27.3°C (81.1°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 Honokohau Harbor Beach?

The highest water temperatures in Honokohau Harbor 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 Honokohau Harbor Beach in September?

Historically in September, water temperatures in Honokohau Harbor Beach average around27.3°C (81.1°F), fluctuating between a recorded minimum of 25.9°C and a maximum of 29.2°C.

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