Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.6°C
0.7° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 4.5ft (1.3m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 4ft (1.2m), 8s period with E swell.
  • Evening surf: Evening surf (12 Sep, local time) - 3.5ft (1.1m), 8s period with E swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 1.3m 8s primary swell from a East direction and 0.6m 12s secondary swell from a South-southwest direction (forecast issued at 06:00am September 12). An open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (12 Sep)4.5ft (1.3m)8s
Afternoon (12 Sep)4ft (1.2m)8s
Evening (12 Sep)3.5ft (1.1m)8s

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


Short Range Forecast

Heavy rain (total 49mm), heaviest during Mon morning. Warm (max 28°C on Sat morning, min 27°C on Sat night). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
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
1
1
1
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)
1.4
E
8
1.4
E
8
1.3
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
7
1
E
7
0.6
SSW
21
0.8
SSW
20
0.9
SSW
20
0.8
SSW
20
0.9
SSW
20
1
SSW
19
1.2
SSW
19
1.3
SSW
18
1.3
SSW
18
1.3
SSW
18
1.3
SSW
18
1.3
SSW
17
1.2
SSW
17
Wave Graph
Metric surfscale
Energy kJ
257
257
223
190
186
142
146
138
131
103
302
505
677
495
596
766
953
1009
1106
954
943
921
780
Wind (km/h)
35
E
25
ESE
25
ESE
20
ESE
15
ESE
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
20
E
20
E
15
E
20
E
20
E
20
E
20
E
25
E
25
E
20
ENE
20
E
20
E
20
E
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
6:19AM1.40m
6:38PM1.35m
6:55AM1.33m
7:13PM1.31m
7:30AM1.22m
7:48PM1.23m
Low Tide
12:29PM0.03m
00:46AM0.06m
1:03PM0.10m
1:23AM0.13m
1:36PM0.17m
cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:25
 mm
3
2
3
2
2
1
1
4
2
1
2
5
6
4
3
1
1
Temp °C
27
28
28
28
28
28
28
28
27
28
28
27
28
28
28
28
28
27
28
28
28
28
28
Feels °C
25
28
29
30
31
31
31
30
28
30
30
28
30
30
30
30
30
28
29
29
29
30
30
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Utua Mamao (Atafu) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest