Guangdong, China
South China Sea22.59°N, 114.30°EStation CH-GUA-BEA

大梅沙 Sea Water Temperature

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

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

大梅沙 water temperature

28.4
83.1°FTropical Warm (> 28°C)

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

+0°vs Sep avgSouth China Sea22.59°N, 114.30°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
30°C
85.8°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
28.4°C
83.1°F
Waves: 1m
Tropical
ThuOct 1
28.7°C
83.7°F
Waves: 0.9m
Tropical
FriOct 2
28.8°C
83.8°F
Waves: 0.7m
Tropical
SatOct 3
28.7°C
83.7°F
Waves: 0.6m
Tropical
SunOct 4
28.4°C
83.1°F
Waves: 0.7m
Tropical
MonOct 5
28.1°C
82.6°F
Waves: 0.9m
Tropical
TueOct 6
28°C
82.4°F
Waves: 1m
Tropical
Forecast cooling trend: -0.4°C over 7 days at 大梅沙.
Confidence: High

大梅沙 Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in 大梅沙 occurs inMay, June, July, August, September, October — peaking at28.9°C (84°F) in July.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
20
Jan
19
Feb
21
Mar
23
Apr
26
May
28
Jun
29
Jul
29
Aug
Current
28
Sep
27
Oct
24
Nov
21
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January17.2°C19.7°C22°CCool / Refreshing (16°C – 20°C)
February14.9°C19.4°C22°CCool / Refreshing (16°C – 20°C)
March18°C20.7°C23.7°CComfortable (20°C – 24°C)
April20.8°C22.8°C25.7°CComfortable (20°C – 24°C)
May24°C26.1°C28.9°CWarm & Ideal (24°C – 28°C)
June25.2°C28.2°C31.3°CTropical Warm (> 28°C)
July26.7°C28.9°C30.8°CTropical Warm (> 28°C)
August26.7°C28.8°C30.7°CTropical Warm (> 28°C)
SeptemberCurrent26.1°C28.4°C30.5°CTropical Warm (> 28°C)
October24.5°C27°C28.9°CWarm & Ideal (24°C – 28°C)
November21.7°C23.7°C26.3°CComfortable (20°C – 24°C)
December17.8°C20.9°C23.1°CComfortable (20°C – 24°C)

Swimming FAQs for 大梅沙

Is the sea warm enough to swim in 大梅沙 today?

Typical sea surface temperature in 大梅沙 this time of year is 28.4°C (83.1°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 大梅沙?

The highest water temperatures in 大梅沙 typically occur duringMay, June, July, August, September, October, when monthly averages reach peak seasonal levels.

What is the typical water temperature in 大梅沙 in September?

Historically in September, water temperatures in 大梅沙 average around28.4°C (83.1°F), fluctuating between a recorded minimum of 26.1°C and a maximum of 30.5°C.

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大梅沙 Coastal Zone Map

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