Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 pm 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 4PM is: 2.5m 8s primary swell from a Southeast direction and 0.9m 14s secondary swell from a South-southeast direction, 0.7m 17s secondary swell from a South-southwest direction (forecast issued at 12:00pm 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 60mm), 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, light winds from the WNW by Wed night).

Mon
20
Tuesday
21
Wednesday
22
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
8
2.5
SE
8
2.5
SE
8
2.5
SE
8
2.4
SE
8
2.3
SE
8
2.2
SE
8
2
ESE
8
0.8
SSW
20
1.5
SSE
13
1.6
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
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
953
1002
1002
976
830
751
663
567
567
688
838
699
616
477
528
427
518
499
397
344
319
Wind (km/h)
40
SE
40
SE
40
SE
35
SE
35
ESE
30
ESE
30
SE
30
SE
30
ESE
30
ESE
30
ESE
30
ESE
30
ESE
25
ESE
25
ESE
25
ESE
30
ESE
25
ESE
25
ESE
20
E
20
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
10:23AM1.08m
10:59PM1.05m
11:21AM0.98m
00:02AM1.00m
12:29PM0.90m
Low Tide
4:37PM0.33m
5:09AM0.41m
5:31PM0.40m
6:20AM0.46m
6:35PM0.45m
cloud
rain showers
part cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
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
1
2
1
2
1
1
1
2
2
2
1
1
3
3
Temp °C
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
25
25
26
26
26
26
26
26
27
27
27
27
27
27
27
27
28
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
How to use the Wavefinder 

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