Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.7°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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
  • Evening surf: Evening surf (22 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 11AM is: 0.8m 16s primary swell from a South-southwest direction and 0.9m 12s secondary swell from a South-southwest direction, 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 06:00am September 22). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (22 Sep)2.5ft (0.8m)16s
Afternoon (22 Sep)3ft (0.9m)16s
Evening (22 Sep)3ft (0.9m)16s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Tue afternoon. Warm (max 29°C on Tue afternoon, min 28°C on Tue morning). Wind will be generally light.

Tuesday
22
Wednesday
23
Thursday
24
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
1
1
1
2
2
1
1
1
0
1
0
0
0
0
1
1
1
1
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)
1.2
SSW
14
0.9
SSW
16
0.8
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
1.1
SSW
16
1
SSW
15
0.9
SSW
15
0.9
SSW
15
1
SSW
15
1
SSW
15
0.9
SSW
16
1.2
SSW
18
1.3
SSW
18
1.3
SSW
17
1.4
SSW
17
1.4
SSW
17
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
Wave Graph
Metric surfscale
Energy kJ
515
382
334
392
377
382
441
596
480
393
387
468
493
419
903
954
932
1189
1134
915
892
881
759
Wind (km/h)
20
ENE
15
ENE
20
ENE
20
ENE
20
NE
15
ENE
15
ENE
15
E
10
E
10
E
15
E
15
E
15
E
20
E
20
E
20
E
25
E
20
E
20
E
20
E
15
E
20
ESE
20
ESE
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
3:01AM1.05m
3:26PM0.99m
3:36AM1.14m
3:57PM1.09m
4:08AM1.22m
4:27PM1.19m
Low Tide
9:21AM0.32m
9:21PM0.32m
9:51AM0.24m
9:55PM0.23m
10:21AM0.17m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:24
6:24
 mm
2
1
2
1
3
4
3
1
1
1
2
2
1
1
Temp °C
28
28
28
28
29
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
29
28
28
Feels °C
30
30
30
30
31
30
31
31
32
32
31
31
30
29
30
30
29
30
29
30
31
30
30
  • 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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