Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3°C
0.6° 

Utua Mamao (Atafu) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Utua Mamao (Atafu) today (23 Aug):

  • Afternoon surf: Afternoon surf (23 Aug, local time) - 6.5ft (2.0m), 8s period with SE swell.
  • Evening surf: Evening surf (23 Aug, local time) - 6.5ft (2.0m), 8s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 11PM is: 2.0m 8s primary swell from a Southeast direction and 1.0m 13s secondary swell from a South-southwest direction (forecast issued at 06:00pm August 23). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (23 Aug)--
Afternoon (23 Aug)6.5ft (2.0m)8s
Evening (23 Aug)6.5ft (2.0m)8s

Table - waves today at Utua Mamao (Atafu). (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sun night. Warm (max 28°C on Sun afternoon, min 27°C on Sun afternoon). Mainly fresh winds.

Sun
23
Monday
24
Tuesday
25
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
SE
8
2
SE
8
2
SE
8
2.1
SE
8
2.1
SE
8
2.2
SE
8
2.2
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.2
SE
8
2.1
SE
8
2.1
SE
8
1.9
SE
8
1.9
SE
8
Wave Graph
Metric surfscale
Energy kJ
446
453
453
503
519
594
594
605
655
672
672
689
689
689
619
543
530
450
485
Wind (km/h)
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
ESE
35
SE
40
SE
35
SE
35
ESE
35
ESE
35
SE
35
SE
35
SE
35
SE
35
SE
35
SE
30
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:22PM0.89m
3:35AM1.06m
3:59PM0.97m
4:11AM1.14m
4:31PM1.05m
Low Tide
9:15PM0.38m
9:57AM0.31m
9:54PM0.31m
10:29AM0.24m
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:28
 mm
1
1
2
1
1
2
2
2
2
1
Temp °C
28
27
27
27
27
27
27
27
27
27
27
27
27
27
28
28
27
28
28
Feels °C
27
25
26
26
26
25
25
25
25
25
25
25
25
25
26
26
25
26
27
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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