Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.4° C
0.8° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 8ft (2.5m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 8ft (2.4m), 9s period with SE swell.
  • Evening surf: Evening surf (10 Aug, local time) - 8ft (2.5m), 9s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 8PM is: 2.5m 9s primary swell from a Southeast direction and 1.1m 17s secondary swell from a South direction, 0.7m 12s secondary swell from a South direction (forecast issued at 12:00pm August 10). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (10 Aug)8ft (2.5m)9s
Afternoon (10 Aug)8ft (2.4m)9s
Evening (10 Aug)8ft (2.5m)9s

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


Short Range Forecast

Heavy rain (total 27mm), heaviest during Tue night. Warm (max 28°C on Mon afternoon, min 27°C on Mon morning). Mainly strong winds.

Mon
10
Tuesday
11
Wednesday
12
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)
2.5
SE
9
2.4
SE
9
2.4
SE
9
2.5
SE
9
2.5
SE
9
3
SE
9
3
SE
9
3
ESE
9
3
ESE
9
3
ESE
9
3
ESE
10
3
ESE
10
3
ESE
10
3
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.4
ESE
10
2.3
ESE
10
2.2
ESE
10
Wave Graph
Metric surfscale
Energy kJ
1002
942
942
1094
1134
1219
1292
1380
1495
1561
1536
1546
1624
1544
1405
1365
1302
1181
1094
983
913
Wind (km/h)
30
ESE
30
ESE
35
ESE
40
ESE
40
ESE
40
ESE
40
E
40
E
40
E
40
E
40
E
35
E
40
E
40
ESE
35
E
35
E
35
E
35
E
30
E
30
E
35
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
4:11PM1.16m
4:32AM1.39m
5:00PM1.25m
5:20AM1.45m
5:45PM1.31m
Low Tide
10:05AM0.11m
10:12PM0.11m
10:54AM0.03m
11:02PM0.03m
11:40AM-0.02m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
1
1
1
2
1
1
1
2
2
1
2
3
1
1
2
1
1
Temp °C
27
27
27
28
27
28
28
28
27
27
28
28
27
28
28
28
28
28
28
28
28
Feels °C
27
26
25
26
25
26
26
26
25
25
26
26
24
26
27
27
27
27
27
28
27
  • 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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