Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3° 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 (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 10ft (3.0m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 8ft (2.5m), 9s period with ESE swell.
  • Evening surf: Evening surf (11 Aug, local time) - 8ft (2.5m), 10s period with ESE swell.

The current surf forecast for Utua Mamao (Atafu) at 7AM is: 3.0m 9s primary swell from a East-southeast direction and 1.3m 16s secondary swell from a South direction (forecast issued at 12:00am August 11). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (11 Aug)10ft (3.0m)9s
Afternoon (11 Aug)8ft (2.5m)9s
Evening (11 Aug)8ft (2.5m)10s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Mon night. Warm (max 28°C on Mon night, min 27°C on Mon night). Mainly strong winds.

Tuesday
11
Wednesday
12
Thursday
13
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)
3
SE
9
3
SE
9
3
ESE
9
3
ESE
9
2.5
ESE
9
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.5
ESE
10
2.4
ESE
10
2.4
ESE
10
2.4
ESE
10
2.3
ESE
10
2.3
ESE
10
2.3
ESE
10
2.2
ESE
9
2.2
ESE
9
2.3
ESE
9
2.3
ESE
9
2.3
ESE
9
2.3
ESE
9
2.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
1219
1247
1301
1329
1306
1283
1338
1365
1432
1267
1224
1100
1077
1072
990
924
924
833
816
878
848
859
859
859
Wind (km/h)
40
ESE
40
ESE
35
ESE
35
ESE
35
ESE
35
E
35
ESE
35
ESE
35
ESE
35
E
30
E
35
E
30
E
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:32AM1.39m
5:00PM1.25m
5:20AM1.45m
5:45PM1.31m
6:04AM1.48m
6:28PM1.33m
Low Tide
10:12PM0.11m
10:54AM0.03m
11:02PM0.03m
11:40AM-0.02m
11:48PM-0.00m
12:22PM-0.03m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Temp °C
28
27
28
27
27
27
28
27
28
27
28
27
28
28
28
27
27
27
27
27
28
28
28
27
Feels °C
26
25
27
25
25
25
27
25
27
25
28
26
27
28
28
26
26
26
26
25
27
27
27
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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