Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 12 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):

  • Morning surf: Morning surf (12 Aug, local time) - 8ft (2.5m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 8ft (2.4m), 10s period with ESE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 7.5ft (2.3m), 10s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 10AM is: 2.4m 10s primary swell from a East-southeast direction and 1.0m 14s secondary swell from a South direction (forecast issued at 06:00am August 12). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (12 Aug)8ft (2.5m)10s
Afternoon (12 Aug)8ft (2.4m)10s
Evening (12 Aug)7.5ft (2.3m)10s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu morning. Warm (max 28°C on Wed morning, min 27°C on Wed night). Mainly fresh winds.

Wednesday
12
Thursday
13
Friday
14
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)
2.5
ESE
10
2.5
ESE
10
2.4
ESE
10
2.4
ESE
10
2.4
ESE
10
2.3
ESE
10
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.2
ESE
9
2.4
ESE
9
2.4
ESE
9
2.4
ESE
9
2.4
ESE
9
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.2
ESE
9
2.3
ESE
9
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.1
ESE
9
Wave Graph
Metric surfscale
Energy kJ
1267
1224
1100
1042
1021
943
904
804
816
812
893
893
893
893
859
794
764
764
840
811
747
747
660
Wind (km/h)
35
E
35
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
35
ESE
35
ESE
35
ESE
35
SE
35
SE
35
SE
35
SE
35
SE
35
SE
Wind State
on
on
on
on
on
on
on
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
5:20AM1.45m
5:45PM1.31m
6:04AM1.48m
6:28PM1.33m
6:47AM1.45m
7:09PM1.33m
Low Tide
11:40AM-0.02m
11:48PM-0.00m
12:22PM-0.03m
00:32AM0.00m
1:02PM0.00m
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
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
1
1
2
1
1
1
Temp °C
27
28
28
28
28
28
28
27
27
27
27
27
28
28
28
28
27
27
27
27
27
27
27
Feels °C
26
27
28
28
28
28
28
26
26
25
25
25
26
27
27
27
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
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