Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3°C
0.4° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 2.5ft (0.7m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 6ft (1.8m), 6s period with E swell.
  • Evening surf: Evening surf (11 Sep, local time) - 5ft (1.5m), 7s period with E swell.

The current surf forecast for Utua Mamao (Atafu) at 8AM is: 1.6m 7s primary swell from a East-southeast direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 12:00am September 11). An open ocean swell of 0.6m 12s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (11 Sep)2.5ft (0.7m)14s
Afternoon (11 Sep)6ft (1.8m)6s
Evening (11 Sep)5ft (1.5m)7s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Sat morning. Warm (max 28°C on Thu night, min 26°C on Fri morning). Winds decreasing (fresh winds from the ENE on Fri morning, light winds from the ESE by Sat morning).

Friday
11
Saturday
12
Sunday
13
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)
0.7
SSW
15
0.7
SSW
14
1.6
ESE
7
1.6
E
6
1.8
E
6
1.8
E
7
1.6
E
7
1.5
E
6
1.3
E
8
1.3
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
0.5
SW
22
0.4
SSW
22
0.6
SSW
21
0.8
SSW
20
0.9
SSW
20
0.8
SSW
20
0.9
SSW
19
Wave Graph
Metric surfscale
Energy kJ
188
180
259
193
236
277
225
186
223
223
187
187
161
127
124
124
124
227
183
302
505
677
495
590
Wind (km/h)
25
ESE
30
ESE
30
ESE
35
ENE
30
ENE
25
ENE
20
E
20
E
15
E
15
E
15
E
10
ESE
15
ESE
20
ESE
20
ESE
25
ESE
20
ESE
15
ESE
20
ESE
20
E
20
E
20
ESE
20
E
20
E
Wind State
on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
on
on
cross-on
on
cross-on
on
on
on
on
on
on
High Tide
5:42AM1.43m
6:02PM1.37m
6:19AM1.40m
6:38PM1.35m
6:55AM1.33m
7:13PM1.31m
Low Tide
11:30PM0.01m
11:55AM0.00m
00:09AM0.02m
12:29PM0.03m
00:46AM0.06m
1:03PM0.10m
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:25
 mm
3
1
3
2
4
2
4
4
2
3
1
1
3
Temp °C
28
27
27
26
26
27
27
27
27
27
28
27
28
28
28
28
27
27
27
28
28
28
28
28
Feels °C
29
26
26
25
26
28
28
28
29
29
31
30
30
30
30
29
29
29
28
29
30
29
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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