Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 10 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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 2.5ft (0.8m), 15s period with SSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 2.5ft (0.7m), 15s period with SW swell.

The current surf forecast for Utua Mamao (Atafu) at 8AM is: 0.8m 16s primary swell from a South-southwest direction and 1.5m 8s secondary swell from a East direction (forecast issued at 12:00am September 10). An open ocean swell of 0.5m 12s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (10 Sep)2.5ft (0.7m)16s
Afternoon (10 Sep)2.5ft (0.8m)15s
Evening (10 Sep)2.5ft (0.7m)15s

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


Short Range Forecast

Heavy rain (total 40mm), heaviest during Thu night. Warm (max 28°C on Wed night, min 25°C on Fri morning). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
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
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
E
8
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
1.4
E
8
1.3
E
8
1.3
ESE
8
0.7
SSW
14
1.4
E
7
1.4
E
8
1.3
E
7
1.2
E
8
1.3
E
8
1.4
E
8
1.5
E
7
1.4
E
7
1.3
E
8
1.3
E
8
1.2
E
8
1.2
E
7
Wave Graph
Metric surfscale
Energy kJ
283
452
322
239
310
298
232
226
227
196
207
181
206
229
168
187
208
251
214
189
208
207
159
146
Wind (km/h)
20
E
25
E
30
E
25
ENE
25
E
20
E
20
E
25
ESE
20
E
20
ESE
20
ESE
25
NE
15
NE
20
ENE
25
E
30
ESE
25
E
25
E
25
ESE
25
E
25
E
25
E
20
E
20
E
Wind State
on
on
on
on
on
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
High Tide
5:03AM1.43m
5:25PM1.34m
5:42AM1.43m
6:02PM1.37m
6:19AM1.40m
6:38PM1.35m
Low Tide
10:49PM0.04m
11:18AM0.00m
11:30PM0.01m
11:55AM0.00m
00:09AM0.02m
12:29PM0.03m
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
light rain
cloud
part cloud
part cloud
thunderstorm
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:27
 mm
1
4
1
4
2
2
5
4
5
5
4
1
1
Temp °C
27
27
27
27
27
28
28
27
27
27
26
25
25
25
25
26
27
27
27
27
28
28
28
28
Feels °C
29
28
27
28
27
29
29
28
29
29
28
25
28
25
25
25
27
28
28
28
28
29
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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