Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 15 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 (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 5.5ft (1.7m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 5.5ft (1.7m), 9s period with ESE swell.
  • Evening surf: Evening surf (15 Aug, local time) - 5.5ft (1.7m), 9s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 1.7m 9s primary swell from a East-southeast direction (forecast issued at 06:00am August 15). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (15 Aug)5.5ft (1.7m)9s
Afternoon (15 Aug)5.5ft (1.7m)9s
Evening (15 Aug)5.5ft (1.7m)9s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Sat afternoon. Warm (max 28°C on Sat morning, min 27°C on Sat morning). Mainly fresh winds.

Saturday
15
Sunday
16
Monday
17
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)
1.8
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
9
1.7
ESE
8
1.7
ESE
8
1.7
ESE
8
1.8
ESE
8
1.8
ESE
8
1.8
ESE
8
1.8
ESE
8
1.8
ESE
8
1.8
ESE
8
1.7
ESE
8
1.7
ESE
8
1.6
ESE
8
1.5
ESE
8
1.5
ESE
8
1.4
ESE
8
Wave Graph
Metric surfscale
Energy kJ
525
474
474
474
463
443
443
417
414
404
404
428
418
408
394
394
394
361
361
310
273
280
244
Wind (km/h)
25
ESE
25
ESE
25
ESE
25
ESE
25
E
25
E
20
E
25
E
25
E
30
E
30
E
30
E
25
E
25
E
25
E
25
E
25
ENE
20
ENE
20
ENE
15
ENE
10
E
15
ESE
15
ESE
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
7:27AM1.39m
7:49PM1.29m
8:07AM1.28m
8:30PM1.22m
8:47AM1.16m
9:12PM1.13m
Low Tide
1:14AM0.05m
1:41PM0.07m
1:56AM0.12m
2:19PM0.15m
2:38AM0.22m
2:57PM0.25m
thunderstorm
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
2
1
1
1
1
1
2
1
1
1
1
1
2
1
1
Temp °C
27
27
27
28
27
28
27
27
27
27
27
28
27
27
27
27
27
27
28
27
27
28
28
Feels °C
28
28
27
29
28
29
28
28
28
27
26
28
27
28
27
28
28
28
30
30
30
31
30
  • 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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