Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 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) - 4.5ft (1.3m), 8s period with E swell.
  • Evening surf: Evening surf (12 Sep, local time) - 4ft (1.2m), 7s period with E swell.

The current surf forecast for Utua Mamao (Atafu) at 8PM is: 1.2m 8s primary swell from a East direction and 0.6m 11s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 12). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (12 Sep)4.5ft (1.3m)8s
Afternoon (12 Sep)4.5ft (1.3m)8s
Evening (12 Sep)4ft (1.2m)7s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Sun night. Warm (max 28°C on Sat morning, min 26°C on Mon morning). Mainly fresh winds.

Sat
12
Sunday
13
Monday
14
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
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
E
8
1.3
E
8
1.2
E
8
1.2
E
8
1.2
E
7
1.1
E
8
1.1
E
8
0.4
SSW
22
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
219
223
181
164
147
135
138
183
302
505
677
495
596
766
953
1009
1106
954
943
921
780
Wind (km/h)
20
E
15
E
20
E
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
20
E
20
E
20
ESE
20
E
20
E
20
E
25
E
30
ENE
20
E
20
ENE
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
High Tide
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
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
<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
1
3
1
3
1
3
2
1
1
4
3
4
3
2
Temp °C
28
28
28
28
28
28
27
28
28
27
28
28
28
28
28
28
27
26
27
28
28
Feels °C
30
30
30
31
31
30
29
29
29
29
29
30
30
30
30
30
27
25
29
29
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 

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