Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4°C
0.5° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 4.5ft (1.3m), 18s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 4.5ft (1.3m), 18s period with SSW swell.
  • Evening surf: Evening surf (14 Sep, local time) - 4ft (1.2m), 17s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 12PM is: 1.3m 18s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South-southwest direction, 1.1m 7s secondary swell from a East direction (forecast issued at 06:00am September 14). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (14 Sep)4.5ft (1.3m)18s
Afternoon (14 Sep)4.5ft (1.3m)18s
Evening (14 Sep)4ft (1.2m)17s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 27°C on Mon morning). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
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)
1
1
1
0
1
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)
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
1.2
SSW
16
1.2
SSW
16
1
SSW
16
1.2
SSW
16
1.2
SSW
16
1.3
SSW
17
1.5
SSW
18
1.5
SSW
18
1.5
SSW
18
1.6
SSW
17
1.6
SSW
17
1.5
SSW
17
1.4
SSW
17
1.5
SSW
17
1.3
SSW
16
1.3
SSW
16
Wave Graph
Metric surfscale
Energy kJ
953
1009
1106
954
943
921
780
709
683
525
666
683
859
1309
1309
1309
1421
1340
1178
1108
1178
926
892
Wind (km/h)
15
E
20
ENE
20
ENE
20
ENE
20
ENE
20
E
25
E
25
E
25
E
25
E
30
E
25
E
25
ESE
25
ESE
25
ESE
25
ESE
25
E
25
E
25
ESE
20
ESE
20
E
25
E
25
E
Wind State
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
7:30AM1.22m
7:48PM1.23m
8:05AM1.11m
8:24PM1.13m
8:42AM0.98m
9:05PM1.03m
Low Tide
1:23AM0.13m
1:36PM0.17m
2:01AM0.22m
2:09PM0.26m
2:40AM0.32m
2:44PM0.36m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:25
6:25
 mm
3
3
1
3
1
3
4
3
2
2
1
Temp °C
28
28
28
27
28
28
28
27
27
27
27
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
30
30
29
28
29
29
29
27
28
27
27
29
28
28
28
28
28
28
28
28
29
29
28
  • 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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