Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 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), 14s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 5.5ft (1.7m), 7s period with E swell.

The current surf forecast for Utua Mamao (Atafu) at 12PM is: 1.0m 14s primary swell from a South-southwest direction and 1.5m 8s secondary swell from a East-southeast direction (forecast issued at 06:00am September 09). An open ocean swell of 0.8m 12s is not directed at the surf break. 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)14s
Evening (09 Sep)5.5ft (1.7m)7s

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


Short Range Forecast

Heavy rain (total 49mm), heaviest during Wed afternoon. Warm (max 28°C on Wed morning, min 25°C on Fri afternoon). Mainly fresh winds.

Wednesday
9
Thursday
10
Friday
11
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
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
SSW
15
1
SSW
15
1
SSW
14
1
SSW
14
1
SSW
14
1.9
E
7
1.7
E
7
1.6
E
7
0.9
SSW
16
0.8
SSW
16
0.7
SSW
16
0.8
SSW
16
0.8
SSW
15
0.7
SW
15
0.7
SW
15
0.7
SW
15
0.7
SSW
14
1.3
E
8
1.3
E
8
1.1
E
8
1.1
E
8
0.6
SSW
14
1.2
E
8
Wave Graph
Metric surfscale
Energy kJ
461
449
437
431
413
368
315
279
407
322
220
310
298
232
226
217
191
203
217
148
141
134
182
Wind (km/h)
25
E
25
E
25
E
25
ENE
30
ENE
25
NE
15
NE
20
ENE
15
ENE
20
ESE
30
E
25
E
20
E
20
E
20
ESE
20
ESE
20
ESE
25
E
20
E
15
E
15
NE
10
E
25
ESE
Wind State
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
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
10:39AM0.04m
10:49PM0.04m
11:18AM0.00m
11:30PM0.01m
11:55AM0.00m
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
cloud
<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
2
3
3
6
7
4
2
4
1
2
3
3
1
3
2
3
3
2
Temp °C
28
28
28
28
27
26
27
28
27
27
27
27
27
28
28
28
27
27
27
27
27
25
26
Feels °C
29
29
29
29
26
27
30
30
29
29
27
27
28
30
29
30
29
28
29
30
29
28
26
  • 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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