Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 09 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) - 4.5ft (1.4m), 8s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 0.9m 16s primary swell from a South-southwest direction and 1.6m 8s secondary swell from a East direction (forecast issued at 06:00pm September 09). 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)4.5ft (1.4m)8s

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


Short Range Forecast

Heavy rain (total 39mm), heaviest during Wed night. Warm (max 28°C on Wed afternoon, min 25°C on Fri afternoon). Mainly fresh winds.

Wed
9
Thursday
10
Friday
11
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
Swell
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
1.8
E
7
0.7
SSW
17
1.6
E
8
0.9
SSW
16
0.8
SSW
16
1.4
E
8
0.8
SSW
16
0.8
SSW
15
0.7
SW
15
1.4
ESE
8
0.7
SSW
15
0.7
SSW
14
1.3
E
8
1.3
E
8
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
1.1
ESE
8
Wave Graph
Metric surfscale
Energy kJ
413
340
311
283
407
322
227
310
298
232
226
207
180
212
206
125
133
134
160
Wind (km/h)
30
NE
30
NE
25
NE
20
ENE
20
ENE
15
ENE
20
E
20
ESE
20
ESE
25
ESE
25
ESE
25
ESE
20
ESE
25
E
20
NE
10
N
15
ENE
35
ESE
30
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
cross-on
cross
on
on
on
High Tide
4:45PM1.29m
5:03AM1.43m
5:25PM1.34m
5:42AM1.43m
6:02PM1.37m
Low Tide
10:49PM0.04m
11:18AM0.00m
11:30PM0.01m
11:55AM0.00m
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:27
 mm
4
1
1
5
3
1
2
2
3
3
1
1
2
5
3
1
1
Temp °C
28
27
27
27
27
27
27
27
27
28
27
28
27
28
27
26
26
25
26
Feels °C
27
26
28
28
28
29
29
28
28
29
27
29
28
29
28
29
28
23
25
  • 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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