Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 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), 9s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 2.5m 8s primary swell from a Southeast direction and 1.1m 14s secondary swell from a South-southeast direction, 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 12:00am 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)9s

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


Short Range Forecast

Heavy rain (total 46mm), heaviest during Mon afternoon. Warm (max 28°C on Tue afternoon, min 27°C on Sun night). Winds decreasing (strong winds from the SE on Sun night, light winds from the E by Wed afternoon).

Monday
20
Tuesday
21
Wednesday
22
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
1
0
1
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
2.5
SE
8
2.5
SE
8
2.5
SE
8
2.5
SE
8
2.5
SE
8
2.5
SE
9
2.4
SE
8
2.4
ESE
8
2.2
ESE
8
2.2
ESE
8
0.9
SSW
20
1.5
SSE
13
1.4
SSE
13
1
SSW
18
1.2
SSE
12
0.9
SSW
17
0.9
SSW
17
1
SSW
16
1
SSW
16
0.9
SSW
16
1.7
ESE
8
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
848
899
899
899
953
976
929
906
844
787
699
651
561
710
614
616
380
528
432
518
499
397
335
314
Wind (km/h)
40
SE
40
SE
40
SE
40
SE
35
SE
35
SE
35
ESE
35
ESE
35
ESE
30
ESE
30
ESE
30
E
30
E
25
E
25
E
25
ESE
30
ESE
25
ESE
25
ESE
30
ESE
25
ESE
20
E
20
E
15
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
High Tide
10:03PM1.11m
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
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
<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
4
1
1
3
3
4
4
1
1
1
4
3
3
2
2
1
1
4
6
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
28
27
27
27
27
27
27
27
27
27
27
Feels °C
24
24
25
24
25
26
25
25
26
26
26
27
27
28
27
27
27
27
27
27
28
29
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
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