Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4° 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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 2.5ft (0.8m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 2.5ft (0.8m), 13s period with SSW swell.
  • Evening surf: Evening surf (05 Aug, local time) - 3ft (0.9m), 13s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 1AM is: 0.8m 13s primary swell from a South-southwest direction and 0.8m 11s secondary swell from a South-southeast direction, 0.9m 8s secondary swell from a East direction (forecast issued at 06:00pm August 04). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (05 Aug)2.5ft (0.8m)13s
Afternoon (05 Aug)2.5ft (0.8m)13s
Evening (05 Aug)3ft (0.9m)13s

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


Short Range Forecast

Heavy rain (total 35mm), heaviest during Wed night. Warm (max 28°C on Tue afternoon, min 26°C on Wed night). Winds increasing (light winds from the E on Tue afternoon, strong winds from the SE by Fri morning).

Tue
4
Wednesday
5
Thursday
6
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)
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
Wave
Height (m)
Direction
Period (s)
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
SSW
13
1.1
SSW
12
0.7
SSW
19
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
194
183
229
225
222
219
215
209
206
206
326
317
355
339
444
349
316
386
377
Wind (km/h)
15
E
15
E
20
E
20
ESE
20
SE
25
SE
25
SE
25
ESE
25
SE
25
ESE
20
SE
20
SE
20
ESE
20
ESE
25
SE
30
SE
30
SE
30
SE
35
SE
Wind State
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:39PM1.12m
10:01AM1.06m
10:41PM1.08m
11:11AM0.98m
Low Tide
3:54AM0.32m
4:17PM0.31m
5:02AM0.36m
5:26PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:28
 mm
1
1
4
4
7
4
4
1
1
4
Temp °C
28
28
27
27
27
27
27
28
28
28
28
27
27
26
26
27
28
27
28
Feels °C
30
29
28
28
27
26
26
28
29
28
29
28
28
26
26
26
27
25
26
  • 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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