Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 6 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.3° C
0.5° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.
  • Evening surf: Evening surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 2.5m 8s primary swell from a Southeast direction and 1.0m 14s secondary swell from a South-southeast direction, 0.6m 17s secondary swell from a South-southwest direction (forecast issued at 06:00am July 20). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (20 Jul)8ft (2.5m)8s
Afternoon (20 Jul)8ft (2.5m)8s
Evening (20 Jul)8ft (2.5m)8s

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


Short Range Forecast

Heavy rain (total 65mm), heaviest during Wed night. Warm (max 27°C on Mon morning, min 24°C on Wed night). Winds decreasing (strong winds from the SE on Mon morning, calm by Wed night).

Monday
20
Tuesday
21
Wednesday
22
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
8
2.5
SE
8
3
SE
8
2.5
SE
8
3
SE
8
2.5
SE
8
2.5
SE
8
2.3
SE
8
2.2
ESE
8
2.2
SE
8
2.1
ESE
8
0.9
SSW
20
1.5
SSE
13
1.5
SSE
13
1
SSW
18
1.3
SSE
12
0.9
SSW
17
0.9
SSW
16
1
SSW
16
1
SSW
16
0.9
SSW
16
1.7
ESE
8
1.6
ESE
8
Wave Graph
Metric surfscale
Energy kJ
899
1002
1058
1002
1058
976
885
751
715
647
601
561
710
734
616
477
528
427
518
499
397
335
314
Wind (km/h)
40
SE
40
SE
40
SE
40
SE
40
SE
35
ESE
35
ESE
35
ESE
30
ESE
30
ESE
30
ESE
30
ESE
25
ESE
25
ESE
30
ESE
30
ESE
25
ESE
30
ESE
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
High Tide
10:23AM1.08m
10:59PM1.05m
11:21AM0.98m
00:02AM1.00m
12:29PM0.90m
Low Tide
4:09AM0.32m
4:37PM0.33m
5:09AM0.41m
5:31PM0.40m
6:20AM0.46m
6:35PM0.45m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
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>
6:45
6:45
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:25
6:27
 mm
1
2
2
1
1
1
2
6
3
3
1
2
4
3
2
1
1
1
2
6
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
Feels °C
24
24
24
24
24
25
25
25
26
26
26
26
27
27
27
27
27
27
27
28
28
28
28
  • 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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