Hiroshima, Japan
Aki-nada34.30°N, 132.34°EStation JA-HIR-SUG

Suginoura beach Sea Water Temperature

A mild beach on the Aki-nada, warmest around August at about 26.4°C. Today's reading, 7-day forecast, and monthly averages below.

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

Suginoura beach water temperature

25.5
77.9°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 avgAki-nada34.30°N, 132.34°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
27°C
80.6°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
25.5°C
77.9°F
Waves: 1m
Warm
ThuOct 1
25.8°C
78.4°F
Waves: 0.9m
Warm
FriOct 2
25.9°C
78.6°F
Waves: 0.7m
Warm
SatOct 3
25.8°C
78.4°F
Waves: 0.6m
Warm
SunOct 4
25.5°C
77.9°F
Waves: 0.7m
Warm
MonOct 5
25.2°C
77.4°F
Waves: 0.9m
Warm
TueOct 6
25.1°C
77.2°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Suginoura beach.
Confidence: High

Suginoura beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Suginoura beach occurs inJuly, August, September — peaking at26.4°C (79.5°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)
14
Jan
12
Feb
12
Mar
14
Apr
17
May
20
Jun
25
Jul
26
Aug
Current
26
Sep
23
Oct
20
Nov
17
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January9.7°C13.9°C17.4°CVery Cold (< 16°C)
February9.5°C11.9°C16.1°CVery Cold (< 16°C)
March9.7°C12.3°C16.3°CVery Cold (< 16°C)
April11.4°C13.9°C17.9°CVery Cold (< 16°C)
May12.2°C16.7°C20.8°CCool / Refreshing (16°C – 20°C)
June17.5°C20.4°C23.7°CComfortable (20°C – 24°C)
July21.6°C24.5°C30.4°CWarm & Ideal (24°C – 28°C)
August24°C26.4°C29.3°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent23.5°C25.5°C28.2°CWarm & Ideal (24°C – 28°C)
October21.2°C23.3°C25.5°CComfortable (20°C – 24°C)
November17.8°C20.2°C22.4°CComfortable (20°C – 24°C)
December12.8°C16.9°C19.5°CCool / Refreshing (16°C – 20°C)

Swimming FAQs for Suginoura beach

Is the sea warm enough to swim in Suginoura beach today?

Typical sea surface temperature in Suginoura beach this time of year is 25.5°C (77.9°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 Suginoura beach?

The highest water temperatures in Suginoura beach typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Suginoura beach in September?

Historically in September, water temperatures in Suginoura beach average around25.5°C (77.9°F), fluctuating between a recorded minimum of 23.5°C and a maximum of 28.2°C.

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Suginoura beach Coastal Zone Map

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