Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3° 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 (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 5ft (1.6m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 5ft (1.6m), 8s period with ESE swell.
  • Evening surf: Evening surf (16 Aug, local time) - 5.5ft (1.7m), 8s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 1.6m 9s primary swell from a East-southeast direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 12:00am August 16). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (16 Aug)5ft (1.6m)8s
Afternoon (16 Aug)5ft (1.6m)8s
Evening (16 Aug)5.5ft (1.7m)8s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Sun night. Warm (max 28°C on Sat night, min 27°C on Sat night). Mainly fresh winds.

Sunday
16
Monday
17
Tuesday
18
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)
1.6
ESE
9
1.6
ESE
9
1.6
ESE
8
1.6
ESE
8
1.7
ESE
8
1.6
ESE
8
1.6
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
1.5
ESE
8
0.8
SSW
17
0.8
SSW
17
0.8
SSW
17
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
387
378
354
354
389
338
330
404
418
418
418
404
361
361
330
291
284
284
381
381
368
458
452
452
Wind (km/h)
25
E
25
E
30
E
30
E
30
E
25
E
25
E
30
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
ESE
25
ESE
25
E
20
E
20
ESE
20
ESE
20
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
on
High Tide
8:07AM1.28m
8:30PM1.22m
8:47AM1.16m
9:12PM1.13m
9:29AM1.03m
9:59PM1.04m
Low Tide
1:56AM0.12m
2:19PM0.15m
2:38AM0.22m
2:57PM0.25m
3:23AM0.33m
3:37PM0.35m
thunderstorm
thunderstorm
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
1
3
Temp °C
28
27
27
28
28
28
28
28
27
27
27
27
28
27
28
27
27
27
27
27
27
27
28
27
Feels °C
29
27
27
28
28
29
29
29
27
28
27
27
29
28
29
28
28
28
28
28
29
29
30
28
  • 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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