Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.2° 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 3.5ft (1.0m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 3.5ft (1.0m), 16s period with SSW swell.
  • Evening surf: Evening surf (19 Aug, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 5AM is: 0.9m 17s primary swell from a South-southwest direction and 0.6m 14s secondary swell from a South-southwest direction, 1.2m 8s secondary swell from a East-southeast direction (forecast issued at 12:00am August 19). The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (19 Aug)3.5ft (1.0m)16s
Afternoon (19 Aug)3.5ft (1.0m)16s
Evening (19 Aug)3ft (0.9m)16s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Warm (max 28°C on Wed morning, min 27°C on Tue night). Mainly fresh winds.

Wednesday
19
Thursday
20
Friday
21
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
SSW
17
0.8
SSW
17
1
SSW
17
1
SSW
16
1.1
SW
16
1
SSW
16
1
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
1
SSW
14
1
SSW
14
1
SSW
14
1.1
SSW
14
0.9
SSW
12
1
SSW
12
1.2
SSW
13
1.9
ESE
7
1.9
ESE
7
1.9
ESE
7
Wave Graph
Metric surfscale
Energy kJ
608
381
608
532
587
532
532
441
430
414
419
414
398
382
437
413
402
487
222
278
426
367
345
342
Wind (km/h)
30
E
25
E
25
E
25
E
25
E
20
E
25
E
25
E
20
E
25
ESE
30
ESE
30
ESE
35
SE
30
ESE
30
ESE
30
ESE
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
SE
35
ESE
30
SE
Wind State
on
on
on
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
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:20AM0.91m
10:59PM0.96m
11:34AM0.82m
00:23AM0.91m
1:13PM0.79m
Low Tide
4:15AM0.42m
4:25PM0.44m
5:25AM0.49m
5:33PM0.50m
7:02AM0.50m
7:06PM0.51m
part cloud
thunderstorm
part cloud
clear
clear
part cloud
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
clear
cloud
part cloud
part cloud
clear
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
1
1
1
Temp °C
27
27
27
27
28
28
28
28
27
27
27
28
28
28
27
28
27
27
27
27
28
27
27
28
Feels °C
27
27
27
27
29
29
29
29
28
28
27
27
26
27
25
27
25
24
24
24
25
24
24
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
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