Wanjapu Surf Break

Lat Long: 9.65° S 119.02° E

Wanjapu Surf Forecast and Surf Report

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Wanjapu sea temperature is
26.2° C
0.0° 

Wanjapu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Wanjapu surf forecast from 18 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 5AM (local time) - 7ft (2.2m), 19s period, SW swell with cross-offshore winds.
  • Most powerful swell: Thursday 20 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SW swell with 4,484 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 2PM (local time) - 6ft (1.8m), 16s period with SW swell.

Best Forecast Surf Conditions for Wanjapu this week:

The surf forecast for Wanjapu over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 2PM. The primary swell is predicted to be 1.8m and 16s period with a secondary swell of 0.9m and 21s. Another secondary swell of 0.7m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wanjapu in the next 16 days are 3.0m 17s and forecast to arrive on Thursday (Aug 20) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Thursday (Aug 20) at 8PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Tue 18th Aug)6ft (1.8m) 16s
Best Surf 5AM (Wed 19th Aug)7ft (2.2m) 19s
Most Powerful 2AM (Thu 20th Aug)10ft (3.0m) 17s

Table - best surf conditions forecast for Wanjapu over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 26°C on Tue morning, min 23°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Fri morning, min 23°C on Fri night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
4
4
5
5
5
4
4
4
3
2
4
3
2
4
3
1
4
2
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SW
16
1.7
SSW
16
2
SW
16
2.3
SW
18
2.5
SW
18
3
SW
17
2.5
SW
16
2.5
SW
16
2.3
SW
16
2.1
SW
15
2.2
SW
17
2.3
SW
16
2.3
SSW
16
2.2
SSW
16
1.9
SW
15
2
SSW
15
1.8
SW
15
1.7
SSW
14
2
SSW
15
1.8
SW
16
1.9
SW
17
Wave Graph
Metric surfscale
Energy kJ
786
1373
2008
3452
4030
4484
3897
3376
2687
2075
2893
2694
2697
2359
1685
1693
1358
1126
1739
1591
2162
Wind (km/h)
10
SE
5
SE
10
ESE
5
SE
10
ESE
10
ESE
10
SE
15
ESE
10
E
15
SSE
20
SE
10
E
10
SSE
20
SSE
10
ESE
10
S
25
SE
10
E
10
SSE
15
SSE
20
ESE
Wind State
cross
glassy
cross-off
glassy
cross-off
cross-off
cross
cross-off
cross-off
cross
cross
cross-off
cross-on
cross
cross-off
cross-on
cross
cross-off
cross-on
cross-on
cross-off
High Tide
1:27PM2.39m
1:41AM2.76m
1:58PM2.13m
2:10AM2.58m
2:29PM1.87m
2:41AM2.37m
3:08PM1.61m
3:22AM2.16m
5:09PM1.39m
4:56AM1.98m
10:23PM1.56m
7:25AM2.01m
9:48PM1.77m
Low Tide
7:22PM0.52m
8:06AM0.57m
7:46PM0.72m
8:43AM0.77m
8:07PM0.93m
9:30AM0.97m
8:25PM1.13m
10:54AM1.14m
8:29PM1.34m
2:18PM1.08m
11:41PM1.56m
3:12PM0.86m
2:42AM1.40m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:11
6:11
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:01
6:01
6:01
6:01
6:01
6:01
 mm
Temp °C
26
26
25
26
26
25
26
26
25
26
26
25
26
26
25
25
26
25
25
26
25
Feels °C
27
29
28
28
27
27
27
27
26
27
27
26
27
28
27
27
26
25
26
27
25
  • 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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Information about the Wanjapu Surf forecast

The above surf forecast table for Wanjapu provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wanjapu can be found by selecting the local surf guide option on the grey menu. Our Wanjapu surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Wanjapu) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Wanjapu may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Wanjapu is 24 km (15 miles) from the city of Adalara. If you plan a holiday in Sumba, look for hotels and other accommodation in Adalara. Adalara has rooms for a wide range of budgets as well as car hire and transport links.

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