Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 02 Sep 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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 6ft (1.9m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 7.5ft (2.3m), 8s period with ESE swell.
  • Evening surf: Evening surf (03 Sep, local time) - 7.5ft (2.3m), 8s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 1AM is: 1.7m 9s primary swell from a East-southeast direction and 0.4m 12s secondary swell from a South-southwest direction, 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 06:00pm September 02). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (03 Sep)6ft (1.9m)9s
Afternoon (03 Sep)7.5ft (2.3m)8s
Evening (03 Sep)7.5ft (2.3m)8s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Fri afternoon. Warm (max 28°C on Wed afternoon, min 27°C on Wed night). Mainly fresh winds.

Wed
2
Thursday
3
Friday
4
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.8
ESE
9
1.8
ESE
9
2
ESE
8
2.2
ESE
8
2.3
ESE
8
2.3
ESE
8
2.3
ESE
8
2.3
ESE
8
2.2
ESE
8
2.1
ESE
8
2.1
ESE
8
2.2
ESE
8
2.3
ESE
8
2.3
ESE
8
2.5
ESE
9
Wave Graph
Metric surfscale
Energy kJ
516
464
454
454
505
493
562
570
722
758
758
722
665
612
638
675
721
748
934
Wind (km/h)
25
E
25
ESE
30
ESE
30
ESE
30
ESE
35
E
40
E
35
E
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
30
SE
35
SE
35
SE
35
ESE
35
ESE
35
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
9:14PM1.15m
9:42AM1.01m
10:21PM1.08m
11:03AM0.92m
Low Tide
3:37AM0.30m
3:53PM0.33m
4:53AM0.36m
5:12PM0.38m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
<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
1
3
2
2
Temp °C
28
28
28
28
27
28
28
28
28
28
27
27
27
28
28
28
27
27
27
Feels °C
29
29
28
28
26
27
26
26
26
26
24
25
25
26
26
27
25
26
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
How to use the Wavefinder 

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