Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 23 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) - 6ft (1.8m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 7ft (2.1m), 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 9AM is: 1.8m 8s primary swell from a Southeast direction and 1.0m 12s secondary swell from a South direction, 0.5m 15s secondary swell from a South direction (forecast issued at 06:00am August 23). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (23 Aug)6ft (1.8m)8s
Afternoon (23 Aug)7ft (2.1m)8s
Evening (23 Aug)7ft (2.2m)8s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon night. Warm (max 28°C on Sun morning, min 27°C on Sun morning). Mainly strong winds.

Sunday
23
Monday
24
Tuesday
25
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)
1.2
SSW
15
1.2
SSW
15
1.8
SE
8
2.1
SE
8
2.2
SE
8
2.2
SE
8
2.2
SE
8
2.2
SE
8
2.2
SE
8
2.2
SE
8
2.3
SE
8
2.3
SE
8
2.4
SE
8
2.5
SE
8
2.5
SE
8
2.4
SE
8
2.4
SE
8
2.3
SE
8
2.2
SE
8
2.1
SE
8
2.1
SE
8
1.9
SE
8
1.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
648
639
395
499
549
544
558
530
544
558
649
632
664
755
774
735
699
653
609
575
517
450
436
Wind (km/h)
30
ESE
35
ESE
35
SE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
SE
35
SE
40
SE
40
ESE
40
ESE
40
SE
40
SE
35
SE
35
SE
35
SE
35
SE
35
ESE
35
ESE
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
cross-on
cross-on
cross-on
cross-on
High Tide
2:50AM0.98m
3:22PM0.89m
3:35AM1.06m
3:59PM0.97m
4:11AM1.14m
4:31PM1.05m
Low Tide
9:20AM0.38m
9:15PM0.38m
9:57AM0.31m
9:54PM0.31m
10:29AM0.24m
clear
thunderstorm
clear
part cloud
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:28
 mm
1
1
1
2
1
1
2
1
2
3
2
1
Temp °C
27
27
27
28
28
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
27
Feels °C
26
26
25
27
27
25
25
25
25
25
25
25
25
24
25
25
24
25
25
24
25
26
25
  • 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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