Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4° C
0.8° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 10ft (3.0m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 10ft (3.0m), 10s period with SE swell.
  • Evening surf: Evening surf (09 Aug, local time) - 10ft (3.0m), 10s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 5AM is: 3.0m 9s primary swell from a Southeast direction and 1.8m 12s secondary swell from a South-southwest direction (forecast issued at 12:00am August 09). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (09 Aug)10ft (3.0m)9s
Afternoon (09 Aug)10ft (3.0m)10s
Evening (09 Aug)10ft (3.0m)10s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Mon night. Warm (max 28°C on Sat night, min 27°C on Sat night). Mainly near gales.

Sunday
9
Monday
10
Tuesday
11
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)
3.5
SSE
10
3
SE
9
3
SE
9
3
SE
9
3
SSE
10
3
SE
10
3
SE
10
3
SE
10
3
SE
9
2.1
SSE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
3
ESE
9
2.5
ESE
9
2.5
ESE
9
2.5
ESE
10
3
ESE
10
3
ESE
10
3
ESE
10
3
ESE
10
Wave Graph
Metric surfscale
Energy kJ
2299
1291
1357
1263
1484
1824
1676
1552
1339
771
1151
1151
1058
1042
1042
1175
1244
1224
1251
1334
1508
1633
1732
1978
Wind (km/h)
40
ESE
40
ESE
40
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
40
E
45
ESE
45
ESE
50
ESE
50
ESE
55
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
High Tide
2:38AM1.19m
3:15PM1.07m
3:40AM1.29m
4:11PM1.16m
4:32AM1.39m
5:00PM1.25m
Low Tide
9:07AM0.21m
9:16PM0.20m
10:05AM0.11m
10:12PM0.11m
10:54AM0.03m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
6:41
<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
1
1
2
2
1
1
4
2
1
2
2
2
1
Temp °C
28
28
27
27
27
27
27
27
27
27
27
27
27
27
28
28
27
27
27
27
27
27
27
27
Feels °C
26
26
24
25
25
25
25
25
26
26
26
26
26
26
27
27
26
26
25
24
24
22
22
21
  • 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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