Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.2° 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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 3.5ft (1.0m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 3.5ft (1.0m), 12s period with S swell.
  • Evening surf: Evening surf (22 Aug, local time) - 6.5ft (2.0m), 7s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 7PM is: 1.8m 7s primary swell from a Southeast direction and 1.0m 13s secondary swell from a South direction, 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 12:00pm August 22). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (22 Aug)3.5ft (1.0m)12s
Afternoon (22 Aug)3.5ft (1.0m)12s
Evening (22 Aug)6.5ft (2.0m)7s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Mon night. Warm (max 28°C on Sun morning, min 27°C on Sat morning). Mainly fresh winds.

Sat
22
Sunday
23
Monday
24
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
Swell
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
S
12
1
S
12
1
S
13
1
S
13
2.1
SE
7
2.1
SE
8
2.1
SE
8
1.2
SSW
15
2.1
SE
8
2.3
SE
8
2.3
SE
8
2.2
SE
8
2.2
ESE
8
2.2
ESE
8
2.2
ESE
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
Wave Graph
Metric surfscale
Energy kJ
279
299
334
344
457
496
551
639
512
629
605
573
618
618
590
558
558
558
573
620
636
Wind (km/h)
30
SE
30
SE
35
SE
35
SE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
SE
35
SE
40
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
cross-on
cross-on
High Tide
2:31PM0.83m
2:50AM0.98m
3:22PM0.89m
3:35AM1.06m
3:59PM0.97m
Low Tide
8:27AM0.46m
8:23PM0.46m
9:20AM0.38m
9:15PM0.38m
9:57AM0.31m
9:54PM0.31m
clear
clear
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
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
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:28
 mm
1
1
1
1
1
1
1
1
1
1
1
2
Temp °C
27
27
27
27
27
27
27
27
27
28
28
28
28
27
27
27
27
27
27
27
27
Feels °C
26
26
26
25
26
26
25
25
25
26
27
27
27
26
25
25
25
25
25
25
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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