Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 31 Jul 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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 5.5ft (1.7m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 6ft (1.9m), 8s period with SSE swell.
  • Evening surf: Evening surf (31 Jul, local time) - 7ft (2.1m), 8s period with SSE swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 1.7m 8s primary swell from a Southeast direction and 0.6m 13s secondary swell from a South-southwest direction (forecast issued at 06:00am July 31). An open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (31 Jul)5.5ft (1.7m)8s
Afternoon (31 Jul)6ft (1.9m)8s
Evening (31 Jul)7ft (2.1m)8s

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


Short Range Forecast

Heavy rain (total 46mm), heaviest during Sat night. Warm (max 28°C on Sun morning, min 27°C on Fri morning). Mainly fresh winds.

Friday
31
Saturday
1
Sunday
2
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
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)
1.7
SSE
8
1.7
SSE
8
1.7
SE
8
1.9
SSE
8
2
SSE
8
2.1
SSE
8
2.1
SSE
8
1.7
SE
8
2.1
SE
8
1.9
SE
8
1.9
SE
8
1.9
SE
7
1.9
SE
7
1.9
ESE
8
1.8
ESE
8
1.8
ESE
8
1.9
ESE
8
1.8
ESE
8
1.9
ESE
8
1.8
ESE
8
1.7
ESE
8
1.6
ESE
8
1.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
365
356
326
403
496
545
572
326
507
413
418
396
372
393
382
382
403
382
400
362
319
311
270
Wind (km/h)
25
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
25
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
E
30
ENE
25
ENE
20
E
25
E
20
E
Wind State
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
6:46AM1.28m
7:04PM1.16m
7:17AM1.27m
7:36PM1.17m
7:50AM1.24m
8:11PM1.17m
Low Tide
1:01PM0.15m
1:05AM0.17m
1:32PM0.16m
1:39AM0.19m
2:06PM0.18m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:28
 mm
1
2
2
1
2
2
1
1
1
2
3
3
2
3
3
4
4
2
3
2
1
1
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
28
28
28
Feels °C
27
27
27
27
27
27
26
27
27
27
26
27
27
27
27
27
27
26
27
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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