Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 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), 15s 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) - 5ft (1.6m), 8s period with E swell.

The current surf forecast for Utua Mamao (Atafu) at 7PM is: 1.7m 7s primary swell from a East direction and 0.7m 14s secondary swell from a Southwest direction (forecast issued at 12:00pm September 09). An open ocean swell of 0.8m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.0m)15s
Afternoon (09 Sep)3.5ft (1.0m)14s
Evening (09 Sep)5ft (1.6m)8s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Wed morning. Warm (max 28°C on Wed morning, min 25°C on Fri afternoon). Mainly fresh winds.

Wed
9
Thursday
10
Friday
11
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
Swell
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
14
1
SSW
14
1
SSW
14
1.7
E
7
1.6
E
8
1.5
E
8
0.9
SSW
16
0.8
SSW
16
0.7
SSW
16
0.6
SSW
16
0.8
SSW
15
0.7
SW
15
0.7
SW
15
0.7
SSW
15
1.3
E
8
0.7
SSW
14
0.7
SSW
14
1.3
E
7
1.1
E
8
0.6
SSW
14
1.2
E
8
Wave Graph
Metric surfscale
Energy kJ
437
431
413
320
292
253
452
322
220
162
298
232
226
188
201
177
195
183
142
134
190
Wind (km/h)
25
E
20
ENE
30
ENE
20
NE
15
NE
20
ENE
15
E
20
E
25
ESE
25
E
25
E
20
E
20
ESE
20
E
20
E
20
ENE
15
ENE
15
ENE
15
E
25
ESE
25
ESE
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
on
cross-on
on
cross-on
on
High Tide
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
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
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
3
5
3
1
4
1
2
1
2
1
3
1
1
2
2
1
3
Temp °C
28
28
27
27
27
27
28
27
28
28
28
28
28
27
27
27
27
27
25
26
27
Feels °C
30
29
26
28
30
28
30
29
29
28
29
30
30
29
28
28
30
29
27
26
28
  • 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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