Jawa Timur, Indonesia
Bali Sea8.43°S, 113.57°EStation IN-JAW-WAT

Watu Ulo Sea Water Temperature

A tropical beach on the Bali Sea, warmest around April at about 29.1°C. Today's reading, 7-day forecast, and monthly averages below.

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

Watu Ulo water temperature

25.1
77.2°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 avgBali Sea8.43°S, 113.57°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
27°C
79.9°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
25.1°C
77.2°F
Waves: 1m
Warm
ThuOct 1
25.4°C
77.7°F
Waves: 0.9m
Warm
FriOct 2
25.5°C
77.9°F
Waves: 0.7m
Warm
SatOct 3
25.4°C
77.7°F
Waves: 0.6m
Warm
SunOct 4
25.1°C
77.2°F
Waves: 0.7m
Warm
MonOct 5
24.8°C
76.6°F
Waves: 0.9m
Warm
TueOct 6
24.7°C
76.5°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Watu Ulo.
Confidence: High

Watu Ulo Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Watu Ulo occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at29.1°C (84.4°F) in April.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
29
Jan
29
Feb
29
Mar
29
Apr
28
May
27
Jun
26
Jul
25
Aug
Current
25
Sep
27
Oct
28
Nov
29
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January26.4°C28.7°C30.8°CTropical Warm (> 28°C)
February27.4°C28.8°C30.2°CTropical Warm (> 28°C)
March27.3°C29°C30°CTropical Warm (> 28°C)
April27.7°C29.1°C31.1°CTropical Warm (> 28°C)
May25.7°C28.1°C30.1°CTropical Warm (> 28°C)
June23.8°C27.1°C29.9°CWarm & Ideal (24°C – 28°C)
July22.9°C25.7°C29.7°CWarm & Ideal (24°C – 28°C)
August23.3°C24.9°C28.4°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent22.6°C25.1°C28.3°CWarm & Ideal (24°C – 28°C)
October22.9°C26.5°C29.3°CWarm & Ideal (24°C – 28°C)
November26.2°C28.2°C29.5°CTropical Warm (> 28°C)
December27°C28.7°C30°CTropical Warm (> 28°C)

Swimming FAQs for Watu Ulo

Is the sea warm enough to swim in Watu Ulo today?

Typical sea surface temperature in Watu Ulo this time of year is 25.1°C (77.2°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 Watu Ulo?

The highest water temperatures in Watu Ulo 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 Watu Ulo in September?

Historically in September, water temperatures in Watu Ulo average around25.1°C (77.2°F), fluctuating between a recorded minimum of 22.6°C and a maximum of 28.3°C.

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