Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4°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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 7ft (2.2m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 7ft (2.2m), 9s period with ESE swell.
  • Evening surf: Evening surf (05 Sep, local time) - 6.5ft (2.0m), 8s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 2.2m 9s primary swell from a East-southeast direction and 1.1m 17s secondary swell from a South direction, 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 12:00am September 05). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (05 Sep)7ft (2.2m)9s
Afternoon (05 Sep)7ft (2.2m)9s
Evening (05 Sep)6.5ft (2.0m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri night. Warm (max 28°C on Sat morning, min 27°C on Fri night). Mainly fresh winds.

Saturday
5
Sunday
6
Monday
7
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)
2.3
ESE
9
2.3
ESE
9
2.3
ESE
9
2.2
ESE
9
2.2
ESE
9
2.2
ESE
9
2
ESE
9
2
ESE
8
1.1
S
16
1
S
16
1.8
ESE
8
1.9
ESE
8
1.9
ESE
8
1.8
ESE
8
1.7
ESE
8
1.7
ESE
8
1.6
ESE
8
1.6
ESE
8
1.5
ESE
8
0.7
SSW
17
0.7
SW
16
0.7
SSW
16
0.7
SW
16
1.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
813
832
851
784
767
689
595
554
589
496
429
492
480
418
376
402
336
336
284
264
271
220
258
261
Wind (km/h)
35
ESE
30
ESE
35
ESE
35
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
SE
35
ESE
35
ESE
30
ESE
30
ESE
30
ESE
30
ESE
25
ESE
25
ESE
30
ESE
30
ESE
30
SE
30
ESE
30
ESE
Wind State
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
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:52PM1.05m
12:46PM0.91m
1:25AM1.09m
2:12PM0.98m
2:37AM1.19m
3:13PM1.09m
Low Tide
6:30AM0.37m
6:48PM0.38m
7:59AM0.30m
8:11PM0.30m
9:04AM0.20m
9:13PM0.20m
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:27
 mm
2
1
Temp °C
27
27
27
28
28
28
28
28
27
27
27
28
28
28
27
27
27
27
27
27
27
28
28
28
Feels °C
25
26
25
27
27
27
27
27
26
26
27
26
26
27
25
26
26
26
27
26
27
28
28
28
  • 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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