Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3° 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 (04 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 3ft (0.9m), 11s period with SSE swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 3ft (0.9m), 11s period with SSE swell.
  • Evening surf: Evening surf (04 Aug, local time) - 2.5ft (0.7m), 13s period with SW swell.

The current surf forecast for Utua Mamao (Atafu) at 8AM is: 0.9m 11s primary swell from a South-southeast direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 12:00am August 04). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (04 Aug)3ft (0.9m)11s
Afternoon (04 Aug)3ft (0.9m)11s
Evening (04 Aug)2.5ft (0.7m)13s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Thu morning. Warm (max 28°C on Mon night, min 26°C on Wed night). Mainly fresh winds.

Tuesday
4
Wednesday
5
Thursday
6
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
1
0
1
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)
0.9
SSE
12
0.7
SSW
15
0.9
SSE
11
0.9
SSE
11
0.9
SSE
11
0.9
SSE
11
0.7
SW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
1
SSW
13
1.1
SSW
13
1.1
SSW
12
1.2
SSW
12
1.3
SSW
12
1.1
SSW
12
0.7
SW
18
0.8
SSW
17
0.8
SSW
17
Wave Graph
Metric surfscale
Energy kJ
215
204
223
219
193
194
183
229
225
222
219
215
209
202
202
326
378
355
400
444
343
316
386
377
Wind (km/h)
20
ENE
20
ENE
20
ENE
15
ENE
15
ENE
15
E
15
ESE
15
ESE
20
SE
20
SE
25
SE
25
SE
20
SE
25
SE
25
ESE
20
ESE
15
E
15
ESE
20
ESE
25
ESE
25
SE
30
SSE
30
SE
35
SE
Wind State
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:08AM1.13m
9:39PM1.12m
10:01AM1.06m
10:41PM1.08m
11:11AM0.98m
Low Tide
3:01AM0.27m
3:25PM0.26m
3:54AM0.32m
4:17PM0.31m
5:02AM0.36m
5:26PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:28
 mm
3
2
3
6
6
4
6
5
Temp °C
28
28
27
27
28
28
28
27
27
27
28
27
28
28
28
28
27
27
26
27
26
26
27
27
Feels °C
29
29
28
29
30
30
30
28
28
27
28
27
28
28
28
29
29
29
27
27
26
25
26
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
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