Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.2°C
0.4° 

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 (01 Sep):

  • Afternoon surf: Afternoon surf (01 Sep, local time) - 6ft (1.9m), 9s period with ESE swell.
  • Evening surf: Evening surf (01 Sep, local time) - 5.5ft (1.7m), 10s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 12AM is: 1.7m 10s primary swell from a East-southeast direction and 0.6m 14s secondary swell from a South direction (forecast issued at 06:00pm August 31). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (01 Sep)--
Afternoon (01 Sep)6ft (1.9m)9s
Evening (01 Sep)5.5ft (1.7m)10s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Tue afternoon. Warm (max 28°C on Mon afternoon, min 27°C on Mon night). Winds increasing (light winds from the E on Mon night, fresh winds from the ESE by Thu morning).

Mon
31
Tuesday
1
Wednesday
2
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)
1.9
ESE
9
1.8
SE
10
1.7
ESE
10
1.7
ESE
10
1.7
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.5
ESE
10
1.5
ESE
9
1.4
ESE
9
1.9
ESE
9
1.9
ESE
9
1.8
ESE
9
1.7
ESE
9
1.7
ESE
9
Wave Graph
Metric surfscale
Energy kJ
617
575
565
576
532
500
500
500
490
490
452
394
378
320
573
573
537
484
474
Wind (km/h)
20
ESE
20
ESE
20
E
15
E
15
E
20
E
20
E
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
25
E
30
E
30
E
30
E
25
E
30
ESE
30
ESE
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
High Tide
7:43PM1.26m
8:00AM1.21m
8:24PM1.22m
8:44AM1.11m
9:14PM1.15m
Low Tide
1:54AM0.16m
2:11PM0.18m
2:40AM0.23m
2:56PM0.25m
clear
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:28
 mm
1
1
1
1
3
3
1
1
1
1
Temp °C
28
28
28
28
27
27
27
28
27
28
28
28
28
27
28
28
28
28
28
Feels °C
29
30
30
31
29
29
28
30
28
29
29
30
29
27
28
28
28
28
29
  • 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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