Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.2°C
0.4° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 6.5ft (2.0m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 6ft (1.9m), 9s period with ESE swell.
  • Evening surf: Evening surf (31 Aug, local time) - 5.5ft (1.7m), 10s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 10AM is: 2.0m 9s primary swell from a East-southeast direction and 0.6m 16s secondary swell from a South direction (forecast issued at 06:00am August 31). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (31 Aug)6.5ft (2.0m)9s
Afternoon (31 Aug)6ft (1.9m)9s
Evening (31 Aug)5.5ft (1.7m)10s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Tue night. Warm (max 28°C on Mon morning, min 27°C on Mon night). Mainly fresh winds.

Monday
31
Tuesday
1
Wednesday
2
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
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
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
ESE
9
2
ESE
9
2
ESE
9
1.9
ESE
9
1.8
ESE
9
1.7
ESE
10
1.7
ESE
10
1.7
ESE
10
1.7
ESE
10
1.7
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.5
ESE
10
1.5
ESE
10
1.5
ESE
9
1.6
ESE
9
1.7
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
Wave Graph
Metric surfscale
Energy kJ
618
632
660
617
584
541
565
576
555
555
500
471
461
461
452
419
411
393
433
474
537
525
513
Wind (km/h)
25
ESE
30
ESE
25
E
20
ESE
20
ESE
20
ESE
20
E
15
E
20
E
20
E
25
E
25
E
20
E
20
ESE
25
ESE
25
ESE
25
ESE
25
ESE
30
E
30
E
30
E
30
ESE
30
ESE
Wind State
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
High Tide
7:22AM1.28m
7:43PM1.26m
8:00AM1.21m
8:24PM1.22m
8:44AM1.11m
9:14PM1.15m
Low Tide
1:15AM0.12m
1:33PM0.13m
1:54AM0.16m
2:11PM0.18m
2:40AM0.23m
2:56PM0.25m
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
thunderstorm
clear
clear
part cloud
part cloud
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:28
 mm
1
1
1
1
1
3
1
1
1
1
1
1
1
Temp °C
28
28
28
28
28
28
28
27
27
27
28
28
28
28
28
27
27
27
28
28
28
28
27
Feels °C
29
28
29
29
29
29
30
29
28
28
29
29
30
29
29
28
28
27
28
28
28
28
26
  • 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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