Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3°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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 5.5ft (1.7m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 6ft (1.8m), 9s period with ESE swell.
  • Evening surf: Evening surf (02 Sep, local time) - 6ft (1.8m), 9s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 10AM is: 1.7m 9s primary swell from a East-southeast direction and 0.5m 12s secondary swell from a South direction, 0.4m 12s secondary swell from a Southwest direction (forecast issued at 06:00am September 02). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (02 Sep)5.5ft (1.7m)9s
Afternoon (02 Sep)6ft (1.8m)9s
Evening (02 Sep)6ft (1.8m)9s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Fri night. Warm (max 28°C on Wed morning, min 27°C on Wed night). Mainly fresh winds.

Wednesday
2
Thursday
3
Friday
4
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
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)
1.5
ESE
9
1.7
ESE
9
1.7
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
1.8
ESE
9
2
ESE
9
2.3
ESE
8
2.4
ESE
8
2.4
ESE
8
2.3
ESE
8
2.3
ESE
8
2.2
ESE
8
2.2
ESE
8
2.2
ESE
8
2.2
ESE
8
2.4
ESE
8
2.4
ESE
8
2.5
ESE
9
Wave Graph
Metric surfscale
Energy kJ
402
465
506
528
528
499
505
505
513
493
576
604
782
820
758
722
665
650
675
692
778
827
905
Wind (km/h)
25
ESE
30
ESE
30
E
30
ENE
25
E
25
E
30
ESE
30
ESE
30
ESE
35
ESE
35
E
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
SE
35
SE
35
SE
40
ESE
35
ESE
30
ESE
Wind State
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
8:44AM1.11m
9:14PM1.15m
9:42AM1.01m
10:21PM1.08m
11:03AM0.92m
Low Tide
2:40AM0.23m
2:56PM0.25m
3:37AM0.30m
3:53PM0.33m
4:53AM0.36m
5:12PM0.38m
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
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
3
2
2
1
1
1
1
1
1
2
2
1
2
Temp °C
27
27
28
28
28
28
28
28
27
27
28
28
28
28
28
27
28
27
28
28
27
27
27
Feels °C
27
27
27
27
28
29
28
28
26
26
27
26
27
26
26
25
26
25
26
26
24
25
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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