Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.7°C
0.8° 

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 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Evening surf: Evening surf (23 Sep, local time) - 4ft (1.2m), 18s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 1PM is: 0.9m 15s primary swell from a South-southwest direction and 0.8m 11s secondary swell from a South-southwest direction (forecast issued at 06:00am September 23). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (23 Sep)3ft (0.9m)15s
Afternoon (23 Sep)3ft (0.9m)15s
Evening (23 Sep)4ft (1.2m)18s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed morning. Warm (max 29°C on Wed afternoon, min 28°C on Wed morning). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
25
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)
2
1
0
1
1
1
2
2
2
2
2
2
1
0
1
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)
1
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
16
1.2
SSW
18
1.3
SSW
18
1.3
SSW
17
1.3
SSW
17
1.4
SSW
17
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.1
SSW
14
1.2
SSW
14
1.2
SSW
14
1.2
SSW
14
1.1
SSW
14
0.8
SSW
14
1
SSW
13
Wave Graph
Metric surfscale
Energy kJ
480
393
387
393
414
419
903
954
932
1044
1068
915
892
881
870
740
515
577
585
585
459
250
326
Wind (km/h)
10
E
15
ENE
15
NE
10
ENE
10
ENE
15
E
15
E
15
E
15
E
15
E
15
E
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
25
E
20
E
20
E
20
ESE
Wind State
on
on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
High Tide
3:36AM1.14m
3:57PM1.09m
4:08AM1.22m
4:27PM1.19m
4:40AM1.29m
4:58PM1.27m
Low Tide
9:51AM0.24m
9:55PM0.23m
10:21AM0.17m
10:28PM0.16m
10:50AM0.10m
thunderstorm
clear
clear
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:24
6:24
 mm
2
1
1
1
1
Temp °C
28
28
28
28
28
29
28
28
28
28
28
28
28
28
28
28
28
28
28
29
29
29
29
Feels °C
31
31
30
31
31
32
31
31
31
31
31
31
30
29
30
30
30
30
29
30
30
31
31
  • 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 

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