Chiba, Japan
Uchi Sea35.60°N, 140.10°EStation JA-CHI-BEA

ビーチプラザ Sea Water Temperature

A mild beach on the Uchi Sea, warmest around August at about 26.2°C. Today's reading, 7-day forecast, and monthly averages below.

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

ビーチプラザ water temperature

25
77°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 avgUchi Sea35.60°N, 140.10°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
27°C
79.7°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°C
77°F
Waves: 1m
Warm
ThuOct 1
25.3°C
77.5°F
Waves: 0.9m
Warm
FriOct 2
25.4°C
77.7°F
Waves: 0.7m
Warm
SatOct 3
25.3°C
77.5°F
Waves: 0.6m
Warm
SunOct 4
25°C
77°F
Waves: 0.7m
Warm
MonOct 5
24.7°C
76.5°F
Waves: 0.9m
Warm
TueOct 6
24.6°C
76.3°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at ビーチプラザ.
Confidence: High

ビーチプラザ Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in ビーチプラザ occurs inJuly, August, September — peaking at26.2°C (79.2°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)
13
Jan
12
Feb
13
Mar
15
Apr
18
May
21
Jun
24
Jul
26
Aug
Current
25
Sep
22
Oct
18
Nov
15
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January9.9°C12.9°C16.9°CVery Cold (< 16°C)
February8.1°C11.8°C14.9°CVery Cold (< 16°C)
March10.1°C12.5°C15.2°CVery Cold (< 16°C)
April11.3°C15°C17.5°CVery Cold (< 16°C)
May15°C18.3°C21.4°CCool / Refreshing (16°C – 20°C)
June18.1°C21.1°C23.1°CComfortable (20°C – 24°C)
July21.1°C24°C27.6°CWarm & Ideal (24°C – 28°C)
August22.5°C26.2°C29.7°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent22.2°C25°C28°CWarm & Ideal (24°C – 28°C)
October19.3°C21.7°C25.9°CComfortable (20°C – 24°C)
November15.6°C18.2°C22.2°CCool / Refreshing (16°C – 20°C)
December11.7°C15.4°C20.5°CVery Cold (< 16°C)

Swimming FAQs for ビーチプラザ

Is the sea warm enough to swim in ビーチプラザ today?

Typical sea surface temperature in ビーチプラザ this time of year is 25°C (77°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 ビーチプラザ?

The highest water temperatures in ビーチプラザ typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in ビーチプラザ in September?

Historically in September, water temperatures in ビーチプラザ average around25°C (77.0°F), fluctuating between a recorded minimum of 22.2°C and a maximum of 28°C.

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