Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4°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 (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 6.5ft (2.0m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 7ft (2.2m), 8s period with SE swell.
  • Evening surf: Evening surf (23 Aug, local time) - 7ft (2.2m), 8s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 1.2m 15s primary swell from a South-southwest direction and 2.0m 8s secondary swell from a Southeast direction (forecast issued at 06:00pm August 22). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (23 Aug)6.5ft (2.0m)8s
Afternoon (23 Aug)7ft (2.2m)8s
Evening (23 Aug)7ft (2.2m)8s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Mon night. Warm (max 28°C on Sat afternoon, min 27°C on Sat afternoon). Mainly strong winds.

Sat
22
Sunday
23
Monday
24
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
SSW
13
1
S
13
1.9
SE
7
2
SE
7
1.2
SSW
15
1.2
SSW
15
2
SE
8
2.2
SE
8
2.2
SE
8
2.1
SE
8
2.2
SE
8
2.2
ESE
8
2.2
ESE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.4
SE
8
2.5
SE
8
2.5
SE
8
Wave Graph
Metric surfscale
Energy kJ
350
324
371
412
648
639
470
545
549
519
588
602
618
632
649
632
717
755
774
Wind (km/h)
30
SE
35
ESE
35
ESE
35
ESE
30
ESE
35
ESE
35
SE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
SE
35
SE
40
SE
40
SE
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
cross-on
cross-on
cross-on
High Tide
2:31PM0.83m
2:50AM0.98m
3:22PM0.89m
3:35AM1.06m
3:59PM0.97m
Low Tide
8:23PM0.46m
9:20AM0.38m
9:15PM0.38m
9:57AM0.31m
9:54PM0.31m
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:28
 mm
1
1
2
2
2
2
2
2
Temp °C
27
28
28
28
28
27
27
27
28
27
28
27
27
27
27
27
27
27
27
Feels °C
26
27
27
27
27
25
25
25
26
25
27
26
26
25
25
25
25
24
24
  • 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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