Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 09 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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 8ft (2.5m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 8ft (2.5m), 9s period with SE swell.
  • Evening surf: Evening surf (09 Aug, local time) - 10ft (3.0m), 10s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 1PM is: 3.0m 9s primary swell from a Southeast direction and 1.5m 10s secondary swell from a South direction (forecast issued at 06:00am August 09). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (+13) & DateWave HeightWave Period
Morning (09 Aug)8ft (2.5m)9s
Afternoon (09 Aug)8ft (2.5m)9s
Evening (09 Aug)10ft (3.0m)10s

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


Short Range Forecast

Heavy rain (total 38mm), heaviest during Mon night. Warm (max 28°C on Sun afternoon, min 27°C on Sun morning). Mainly strong winds.

Sunday
9
Monday
10
Tuesday
11
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)
2.5
SE
9
3
SE
9
2.5
SE
9
3
SE
9
3
SE
9
3
SE
10
3
SE
10
3
SE
10
3
SE
9
3
SE
9
3
SE
9
2.5
SE
9
3
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
3
ESE
10
Wave Graph
Metric surfscale
Energy kJ
1228
1291
1224
1291
1270
1764
1584
1527
1400
1283
1255
1202
1228
1228
1374
1399
1380
1462
1559
1659
1633
1676
1833
Wind (km/h)
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
40
ESE
35
ESE
40
ESE
35
ESE
40
E
40
ESE
40
ESE
40
E
45
ESE
50
ESE
Wind State
on
on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
High Tide
2:38AM1.19m
3:15PM1.07m
3:40AM1.29m
4:11PM1.16m
4:32AM1.39m
5:00PM1.25m
Low Tide
9:07AM0.21m
9:16PM0.20m
10:05AM0.11m
10:12PM0.11m
10:54AM0.03m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
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thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:29
6:29
 mm
1
2
2
2
2
1
1
2
1
2
2
2
1
1
1
2
3
2
1
2
1
2
2
Temp °C
28
27
27
27
27
28
27
27
27
27
27
27
27
28
28
27
27
27
27
27
27
27
27
Feels °C
26
25
25
25
25
27
25
25
25
26
25
26
25
26
27
25
25
25
24
24
24
24
22
  • 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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