Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 07 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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 2.5ft (0.7m), 17s period with SSW swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 5.5ft (1.7m), 7s period with ESE swell.
  • Evening surf: Evening surf (07 Sep, local time) - 5.5ft (1.7m), 7s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 2PM is: 1.8m 7s primary swell from a Southeast direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 06:00am September 07). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (07 Sep)2.5ft (0.7m)17s
Afternoon (07 Sep)5.5ft (1.7m)7s
Evening (07 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 45mm), heaviest during Tue morning. Warm (max 28°C on Tue night, min 27°C on Mon morning). Mainly fresh winds.

Monday
7
Tuesday
8
Wednesday
9
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)
1.6
ESE
8
1.7
ESE
7
0.7
SSW
17
1.8
SE
7
1.7
ESE
7
1.7
ESE
7
1.7
ESE
7
1.7
ESE
7
1.7
ESE
7
1.7
ESE
8
1.7
ESE
8
1.7
ESE
8
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
8
1.6
ESE
8
Wave Graph
Metric surfscale
Energy kJ
326
251
264
286
277
294
311
320
310
319
302
302
447
441
419
398
387
449
437
431
504
283
283
Wind (km/h)
30
SE
35
SE
35
SE
30
SE
30
SE
30
SE
30
SE
30
ESE
30
ESE
30
ESE
25
ESE
25
E
20
E
25
E
25
E
25
E
20
E
25
E
25
E
20
E
20
E
25
ESE
20
E
Wind State
cross-on
cross-on
cross-on
cross-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
High Tide
2:37AM1.19m
3:13PM1.09m
3:33AM1.29m
4:02PM1.20m
4:21AM1.38m
4:45PM1.29m
Low Tide
9:04AM0.20m
9:13PM0.20m
9:55AM0.11m
10:04PM0.11m
10:39AM0.04m
cloud
part cloud
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
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
1
1
2
3
6
4
5
2
1
1
3
3
1
1
2
4
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
28
27
27
27
27
28
28
27
Feels °C
25
25
26
25
25
26
26
27
27
27
27
27
28
28
29
29
28
28
28
28
30
29
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
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