Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3°C
0.5° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 5.5ft (1.7m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
  • Evening surf: Evening surf (08 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 8AM is: 1.7m 7s primary swell from a East-southeast direction and 0.7m 15s secondary swell from a Southwest direction (forecast issued at 12:00am September 08). An open ocean swell of 0.8m 13s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (08 Sep)5.5ft (1.7m)7s
Afternoon (08 Sep)2.5ft (0.8m)16s
Evening (08 Sep)3ft (0.9m)16s

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


Short Range Forecast

Heavy rain (total 57mm), heaviest during Mon night. Warm (max 28°C on Mon night, min 27°C on Mon night). Mainly fresh winds.

Tuesday
8
Wednesday
9
Thursday
10
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
1
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)
1.7
ESE
7
1.6
ESE
8
1.6
ESE
8
1.7
ESE
7
0.8
SSW
15
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
1
SSW
15
1
SSW
14
1
SSW
14
0.9
SSW
17
1.6
ESE
7
1.6
ESE
8
1.6
E
8
0.9
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
15
0.7
SW
15
0.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
297
287
287
319
294
447
441
419
398
387
449
437
431
504
268
300
300
407
322
318
310
298
232
226
Wind (km/h)
30
ESE
30
ESE
25
ESE
25
E
20
E
15
E
20
E
25
E
25
E
25
E
25
E
25
E
20
E
20
E
20
E
20
E
15
E
20
E
15
E
15
E
15
E
20
E
20
ENE
20
E
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
3:33AM1.29m
4:02PM1.20m
4:21AM1.38m
4:45PM1.29m
5:03AM1.43m
5:25PM1.34m
Low Tide
9:55AM0.11m
10:04PM0.11m
10:39AM0.04m
10:49PM0.04m
11:18AM0.00m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
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
1
2
6
5
2
4
4
2
1
1
1
1
1
2
3
4
4
3
3
2
3
1
Temp °C
27
27
27
28
27
28
28
28
28
27
28
28
28
28
28
28
27
27
27
27
27
27
27
28
Feels °C
27
27
27
29
29
30
30
29
29
27
29
29
30
30
29
30
29
29
28
29
29
28
28
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
How to use the Wavefinder 

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