Okinawa, Japan
East China Sea26.22°N, 127.67°EStation JA-OKI-BEA

波の上ビーチ Sea Water Temperature

A tropical beach on the East China Sea, warmest around August at about 28.9°C. Today's reading, 7-day forecast, and monthly averages below.

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Water Temperature NowBuoy & Sentinel-3 SST

波の上ビーチ water temperature

28.5
83.3°FTropical Warm (> 28°C)

Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling.

+0°vs Sep avgEast China Sea26.22°N, 127.67°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
30°C
86°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
28.5°C
83.3°F
Waves: 1m
Tropical
ThuOct 1
28.8°C
83.8°F
Waves: 0.9m
Tropical
FriOct 2
28.9°C
84°F
Waves: 0.7m
Tropical
SatOct 3
28.8°C
83.8°F
Waves: 0.6m
Tropical
SunOct 4
28.5°C
83.3°F
Waves: 0.7m
Tropical
MonOct 5
28.2°C
82.8°F
Waves: 0.9m
Tropical
TueOct 6
28.1°C
82.6°F
Waves: 1m
Tropical
Forecast cooling trend: -0.4°C over 7 days at 波の上ビーチ.
Confidence: High

波の上ビーチ Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in 波の上ビーチ occurs inMay, June, July, August, September, October, November, December — peaking at28.9°C (84°F) in August.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
23
Jan
22
Feb
22
Mar
23
Apr
25
May
27
Jun
29
Jul
29
Aug
Current
29
Sep
27
Oct
26
Nov
24
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January21.6°C22.7°C24.9°CComfortable (20°C – 24°C)
February19.7°C21.8°C23.2°CComfortable (20°C – 24°C)
March20.6°C21.8°C23.4°CComfortable (20°C – 24°C)
April21.3°C22.7°C23.7°CComfortable (20°C – 24°C)
May23°C24.8°C26.7°CWarm & Ideal (24°C – 28°C)
June24.4°C26.9°C29.2°CWarm & Ideal (24°C – 28°C)
July27.3°C28.8°C31.2°CTropical Warm (> 28°C)
August27.1°C28.9°C30.5°CTropical Warm (> 28°C)
SeptemberCurrent26.8°C28.5°C30.5°CTropical Warm (> 28°C)
October25.5°C27.4°C28.9°CWarm & Ideal (24°C – 28°C)
November23.9°C25.5°C27.5°CWarm & Ideal (24°C – 28°C)
December22.9°C24.1°C26°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for 波の上ビーチ

Is the sea warm enough to swim in 波の上ビーチ today?

Typical sea surface temperature in 波の上ビーチ this time of year is 28.5°C (83.3°F) — classified as Tropical Warm (> 28°C). Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling. Live readings load automatically.

What are the warmest months for swimming in 波の上ビーチ?

The highest water temperatures in 波の上ビーチ typically occur duringMay, June, July, August, September, October, November, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in 波の上ビーチ in September?

Historically in September, water temperatures in 波の上ビーチ average around28.5°C (83.3°F), fluctuating between a recorded minimum of 26.8°C and a maximum of 30.5°C.

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波の上ビーチ Coastal Zone Map

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