Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.2° C
0.6° 

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 (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 8ft (2.4m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 8ft (2.5m), 9s period with ESE swell.
  • Evening surf: Evening surf (13 Aug, local time) - 7.5ft (2.3m), 9s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 5AM is: 2.3m 9s primary swell from a East-southeast direction and 0.7m 12s secondary swell from a South direction (forecast issued at 12:00am August 13). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (13 Aug)8ft (2.4m)9s
Afternoon (13 Aug)8ft (2.5m)9s
Evening (13 Aug)7.5ft (2.3m)9s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu morning. Warm (max 28°C on Thu afternoon, min 27°C on Wed night). Mainly fresh winds.

Thursday
13
Friday
14
Saturday
15
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
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
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)
2.2
ESE
9
2.2
ESE
9
2.3
ESE
9
2.5
ESE
9
2.5
ESE
9
2.5
ESE
9
2.3
ESE
9
2.3
ESE
9
2.4
ESE
9
2.3
ESE
9
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.2
ESE
9
2.2
ESE
9
2.1
ESE
9
2.1
ESE
9
2.1
ESE
9
2.1
ESE
9
2
ESE
9
1.9
ESE
9
1.9
ESE
8
1.8
ESE
8
1.7
ESE
9
Wave Graph
Metric surfscale
Energy kJ
833
848
878
961
975
940
840
859
928
829
829
802
802
737
737
660
671
684
629
601
537
488
468
423
Wind (km/h)
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
30
ESE
35
ESE
35
ESE
30
ESE
35
ESE
35
ESE
30
ESE
30
ESE
30
ESE
25
E
25
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
6:04AM1.48m
6:28PM1.33m
6:47AM1.45m
7:09PM1.33m
7:27AM1.39m
7:49PM1.29m
Low Tide
11:48PM-0.00m
12:22PM-0.03m
00:32AM0.00m
1:02PM0.00m
1:14AM0.05m
1:41PM0.07m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Temp °C
27
27
27
27
27
28
28
28
28
27
28
28
28
28
27
27
27
27
27
27
27
28
28
28
Feels °C
26
26
25
25
25
27
27
27
27
25
27
27
27
27
25
26
26
25
25
26
26
28
28
29
  • 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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