Tuamasaga, Samoa
Koro Sea14.03°S, 171.77°WStation SA-TUA-AGA

Aganoa Black Sand Beach Sea Water Temperature

A tropical beach on the Koro Sea, warmest around April at about 29.6°C. Today's reading, 7-day forecast, and monthly averages below.

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

Aganoa Black Sand Beach water temperature

28.1
82.6°FTropical Warm (> 28°C)

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

+0°vs Sep avgKoro Sea14.03°S, 171.77°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
30°C
85.3°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
28.1°C
82.6°F
Waves: 1m
Tropical
ThuOct 1
28.4°C
83.1°F
Waves: 0.9m
Tropical
FriOct 2
28.5°C
83.3°F
Waves: 0.7m
Tropical
SatOct 3
28.4°C
83.1°F
Waves: 0.6m
Tropical
SunOct 4
28.1°C
82.6°F
Waves: 0.7m
Tropical
MonOct 5
27.8°C
82°F
Waves: 0.9m
Warm
TueOct 6
27.7°C
81.9°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Aganoa Black Sand Beach.
Confidence: High

Aganoa Black Sand Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Aganoa Black Sand Beach occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at29.6°C (85.3°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
30
Apr
29
May
29
Jun
28
Jul
28
Aug
Current
28
Sep
28
Oct
29
Nov
29
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January27.9°C29.2°C30.6°CTropical Warm (> 28°C)
February28.2°C29.2°C30.5°CTropical Warm (> 28°C)
March27.3°C29.4°C30.9°CTropical Warm (> 28°C)
April28.4°C29.6°C30.5°CTropical Warm (> 28°C)
May28°C29.1°C30.2°CTropical Warm (> 28°C)
June27.4°C28.7°C29.6°CTropical Warm (> 28°C)
July27.3°C28.2°C29.1°CTropical Warm (> 28°C)
August26.8°C27.8°C28.7°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent27°C28.1°C28.8°CTropical Warm (> 28°C)
October26.1°C28.3°C29.4°CTropical Warm (> 28°C)
November28.3°C28.8°C30.2°CTropical Warm (> 28°C)
December28.1°C29.1°C30.6°CTropical Warm (> 28°C)

Swimming FAQs for Aganoa Black Sand Beach

Is the sea warm enough to swim in Aganoa Black Sand Beach today?

Typical sea surface temperature in Aganoa Black Sand Beach this time of year is 28.1°C (82.6°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 Aganoa Black Sand Beach?

The highest water temperatures in Aganoa Black Sand Beach 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 Aganoa Black Sand Beach in September?

Historically in September, water temperatures in Aganoa Black Sand Beach average around28.1°C (82.6°F), fluctuating between a recorded minimum of 27°C and a maximum of 28.8°C.

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