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 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.5°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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.0m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 5ft (1.6m), 8s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 7AM is: 1.0m 15s primary swell from a South-southwest direction and 1.3m 8s secondary swell from a East-southeast direction (forecast issued at 12:00am September 09). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.0m)14s
Afternoon (09 Sep)3.5ft (1.0m)17s
Evening (09 Sep)5ft (1.6m)8s

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


Short Range Forecast

Heavy rain (total 60mm), heaviest during Wed morning. Warm (max 28°C on Tue night, min 27°C on Wed morning). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
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
1
1
1
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)
0.9
SSW
15
1
SSW
15
1
SSW
15
1
SSW
14
1
SSW
14
1
SSW
17
1.8
ESE
7
1.6
ESE
8
1.6
E
8
0.9
SSW
16
0.8
SSW
16
0.7
SSW
16
0.6
SSW
16
0.8
SSW
15
0.7
SW
15
0.7
SW
15
0.7
SSW
15
1.3
E
8
1.3
E
8
0.7
SSW
14
1.1
E
8
1.1
E
8
1.1
E
8
1.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
398
461
449
437
431
601
337
300
292
407
322
220
162
298
232
226
188
206
208
177
165
161
169
299
Wind (km/h)
20
E
20
E
25
E
25
E
25
ENE
25
ENE
20
ENE
20
NE
10
NE
10
E
15
E
20
E
15
E
20
E
20
E
20
E
15
E
15
E
20
E
20
E
15
E
15
ESE
20
SE
25
ESE
Wind State
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
4:21AM1.38m
4:45PM1.29m
5:03AM1.43m
5:25PM1.34m
5:42AM1.43m
6:02PM1.37m
Low Tide
10:04PM0.11m
10:39AM0.04m
10:49PM0.04m
11:18AM0.00m
11:30PM0.01m
11:55AM0.00m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
clear
cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:27
 mm
3
3
3
4
6
5
5
5
5
5
1
1
2
1
2
2
3
1
1
2
Temp °C
28
28
28
28
27
27
27
27
27
27
27
27
27
27
28
28
28
27
27
28
27
28
28
28
Feels °C
30
29
29
29
28
28
29
29
30
30
29
29
29
28
29
30
30
29
28
29
29
31
29
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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