Toyama, Japan
Uchi Sea36.81°N, 137.05°EStation JA-TOY-BEA

国分浜 Sea Water Temperature

A mild beach on the Uchi Sea, warmest around August at about 27.6°C. Today's reading, 7-day forecast, and monthly averages below.

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

国分浜 water temperature

25.9
78.6°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 Sea36.81°N, 137.05°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
27°C
81.3°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
25.9°C
78.6°F
Waves: 1m
Warm
ThuOct 1
26.2°C
79.2°F
Waves: 0.9m
Warm
FriOct 2
26.3°C
79.3°F
Waves: 0.7m
Warm
SatOct 3
26.2°C
79.2°F
Waves: 0.6m
Warm
SunOct 4
25.9°C
78.6°F
Waves: 0.7m
Warm
MonOct 5
25.6°C
78.1°F
Waves: 0.9m
Warm
TueOct 6
25.5°C
77.9°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at 国分浜.
Confidence: High

国分浜 Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in 国分浜 occurs inJuly, August, September — peaking at27.6°C (81.7°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
11
Feb
10
Mar
12
Apr
16
May
20
Jun
24
Jul
28
Aug
Current
26
Sep
22
Oct
19
Nov
16
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January9.1°C12.9°C15°CVery Cold (< 16°C)
February5.9°C10.7°C12.7°CVery Cold (< 16°C)
March2°C9.8°C11.7°CVery Cold (< 16°C)
April9.5°C11.6°C13.4°CVery Cold (< 16°C)
May11.6°C15.5°C18.6°CVery Cold (< 16°C)
June15.6°C20°C22.2°CComfortable (20°C – 24°C)
July21.2°C24.3°C28.8°CWarm & Ideal (24°C – 28°C)
August24.5°C27.6°C29.9°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent22.8°C25.9°C29.5°CWarm & Ideal (24°C – 28°C)
October19.4°C22.3°C26.5°CComfortable (20°C – 24°C)
November17°C18.8°C20.9°CCool / Refreshing (16°C – 20°C)
December12.5°C15.8°C18°CVery Cold (< 16°C)

Swimming FAQs for 国分浜

Is the sea warm enough to swim in 国分浜 today?

Typical sea surface temperature in 国分浜 this time of year is 25.9°C (78.6°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 国分浜?

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

What is the typical water temperature in 国分浜 in September?

Historically in September, water temperatures in 国分浜 average around25.9°C (78.6°F), fluctuating between a recorded minimum of 22.8°C and a maximum of 29.5°C.

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国分浜 Coastal Zone Map

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