Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.5°C
0.6° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 4ft (1.2m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 4ft (1.2m), 16s period with SSW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 5ft (1.5m), 18s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 7AM is: 1.1m 16s primary swell from a South-southwest direction and 1.0m 12s secondary swell from a South-southwest direction, 1.2m 7s secondary swell from a East direction (forecast issued at 12:00am September 15). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (15 Sep)4ft (1.2m)16s
Afternoon (15 Sep)4ft (1.2m)16s
Evening (15 Sep)5ft (1.5m)18s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Tue morning. Warm (max 29°C on Thu afternoon, min 28°C on Mon night). Wind will be generally light.

Tuesday
15
Wednesday
16
Thursday
17
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
1
1
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)
1.2
SSW
16
1.2
SSW
16
1.1
SSW
16
1.2
SSW
16
1.2
SSW
16
1.3
SSW
17
1.5
SSW
18
1.5
SSW
18
1.5
SSW
18
1.6
SSW
17
1.6
SSW
17
1.6
SSW
17
1.5
SSW
17
1.5
SSW
17
1.4
SSW
16
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
16
1.1
SSW
16
1.1
SSW
15
0.9
SSW
15
1
SSW
15
Wave Graph
Metric surfscale
Energy kJ
709
683
620
666
674
859
1309
1309
1309
1421
1340
1324
1254
1178
1055
892
768
768
715
612
596
544
387
417
Wind (km/h)
20
E
20
E
20
ENE
25
ENE
25
E
25
ESE
25
E
25
E
25
E
25
E
25
ESE
25
E
20
ESE
25
E
25
E
25
E
25
E
25
E
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
15
E
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
8:05AM1.11m
8:24PM1.13m
8:42AM0.98m
9:05PM1.03m
9:27AM0.87m
10:00PM0.94m
Low Tide
2:01AM0.22m
2:09PM0.26m
2:40AM0.32m
2:44PM0.36m
3:27AM0.41m
3:28PM0.45m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
cloud
clear
part cloud
part cloud
cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:25
6:25
 mm
3
3
2
4
1
1
1
1
5
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
29
28
28
Feels °C
30
30
29
29
29
29
28
28
28
28
28
28
29
28
28
28
28
28
29
29
29
32
30
31
  • 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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