Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 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 (1.8m), 8s period with SSE swell.
  • Evening surf: Evening surf (31 Jul, local time) - 6.5ft (2.0m), 8s period with SSE swell.

The current surf forecast for Utua Mamao (Atafu) at 9PM is: 2.0m 8s primary swell from a South-southeast direction and 0.5m 12s secondary swell from a South direction (forecast issued at 12:00pm July 31). An open ocean swell of 0.5m 12s 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 (1.8m)8s
Evening (31 Jul)6.5ft (2.0m)8s

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


Short Range Forecast

Heavy rain (total 47mm), heaviest during Sat night. Warm (max 28°C on Sun morning, min 27°C on Fri morning). Mainly fresh winds.

Fri
31
Saturday
1
Sunday
2
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
Swell
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
SE
8
1.7
SSE
8
1.9
SSE
8
1.9
SSE
8
2
SSE
8
1.9
SSE
8
1.9
SE
8
1.8
SE
8
1.8
SE
8
1.9
SE
8
2
SE
8
2
SE
8
1.9
SE
8
1.9
ESE
8
1.9
ESE
8
1.9
ESE
8
1.9
ESE
8
1.8
ESE
8
1.7
ESE
8
1.7
ESE
8
1.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
326
347
432
464
488
436
402
345
345
407
441
453
438
425
425
425
421
382
327
335
277
Wind (km/h)
30
ESE
30
ESE
25
ESE
30
ESE
25
ESE
25
ESE
25
ESE
25
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
E
25
E
25
E
25
E
25
E
25
E
Wind State
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
cross-on
on
on
on
on
on
on
on
High Tide
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
clear
clear
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
2
1
1
1
1
2
2
1
2
3
3
3
3
4
4
5
5
1
1
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
28
28
28
28
Feels °C
27
27
27
27
27
28
28
27
27
27
27
27
27
27
26
26
28
29
28
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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