Utua Mamao (Atafu) Surf Break

Lat Long: 8.56° S 172.46° W

Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Issued: 12 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Utua Mamao (Atafu) sea temperature is
29.5° 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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 10ft (3.0m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 10ft (3.0m), 8s period with SE swell.
  • Evening surf: Evening surf (18 Jul, local time) - 10ft (3.0m), 9s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 7AM is: 3.0m 9s primary swell from a Southeast direction and 0.7m 18s secondary swell from a South-southeast direction, 0.5m 18s secondary swell from a Southwest direction (forecast issued at 12:00am July 18). The wind direction is predicted to be cross-onshore.

Time (+13) & DateWave HeightWave Period
Morning (18 Jul)10ft (3.0m)8s
Afternoon (18 Jul)10ft (3.0m)8s
Evening (18 Jul)10ft (3.0m)9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun afternoon. Warm (max 28°C on Mon morning, min 26°C on Fri night). Mainly strong winds.

Saturday
18
Sunday
19
Monday
20
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)
3.5
SE
9
3
SE
9
3
SE
9
3
SE
8
3
SE
8
3
SE
8
3
SE
9
3
SE
9
3
SE
9
3
SE
9
3
SE
9
3
SE
9
3
SE
9
3
SE
9
3
SE
9
2.5
SE
9
2.5
SE
9
3
SE
9
3
SE
9
3
SE
9
2.5
SE
9
1.7
SSE
9
2.4
SE
9
2.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
1573
1538
1220
1164
1028
1280
1580
1651
1620
1508
1508
1336
1271
1209
1209
1147
1147
1182
1218
1162
1046
474
890
870
Wind (km/h)
45
SE
45
SE
40
SE
45
SE
45
SE
45
SE
45
SE
45
SE
45
SE
40
SE
40
SE
40
SE
35
SE
40
SE
35
SE
40
SE
40
SE
40
ESE
40
ESE
40
ESE
40
ESE
35
ESE
35
ESE
35
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
High Tide
8:44AM1.31m
9:12PM1.18m
9:32AM1.20m
10:03PM1.11m
10:23AM1.08m
Low Tide
2:27AM0.13m
3:01PM0.15m
3:17AM0.23m
3:48PM0.24m
4:09AM0.32m
4:37PM0.33m
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
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
6:25
 mm
2
1
2
2
2
1
1
1
1
Temp °C
27
26
27
27
27
27
27
27
26
26
27
27
27
26
26
26
26
27
27
27
28
27
28
27
Feels °C
23
21
23
23
23
22
22
22
21
22
23
23
25
23
23
23
23
24
24
24
26
25
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
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