Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 11 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 (12 Aug):

  • Afternoon surf: Afternoon surf (12 Aug, local time) - 8ft (2.5m), 10s period with SE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 8ft (2.5m), 10s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 12AM is: 2.5m 10s primary swell from a East-southeast direction and 1.0m 14s secondary swell from a South direction, 0.5m 16s secondary swell from a South direction (forecast issued at 06:00pm August 11). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (12 Aug)--
Afternoon (12 Aug)8ft (2.5m)10s
Evening (12 Aug)8ft (2.5m)10s

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


Short Range Forecast

Heavy rain (total 27mm), heaviest during Wed night. Warm (max 28°C on Tue afternoon, min 27°C on Thu morning). Mainly fresh winds.

Tue
11
Wednesday
12
Thursday
13
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)
2.5
SE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.4
ESE
10
2.4
ESE
10
2.3
ESE
10
2.3
ESE
10
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.3
ESE
9
2.3
ESE
9
2.4
ESE
9
2.4
ESE
9
2.3
ESE
9
2.2
ESE
9
Wave Graph
Metric surfscale
Energy kJ
1255
1338
1365
1314
1267
1224
1100
1042
943
943
904
787
798
848
878
893
873
840
777
Wind (km/h)
35
E
35
E
35
ESE
35
E
30
E
30
E
30
E
30
E
30
E
30
ESE
30
ESE
30
ESE
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:00PM1.25m
5:20AM1.45m
5:45PM1.31m
6:04AM1.48m
6:28PM1.33m
Low Tide
11:02PM0.03m
11:40AM-0.02m
11:48PM-0.00m
12:22PM-0.03m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
1
1
1
1
2
1
1
1
2
4
2
1
1
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
28
28
28
28
Feels °C
27
27
27
27
28
28
28
28
28
28
28
28
28
26
25
26
26
27
27
  • 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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