Wanjapu Surf Break

Lat Long: 9.65° S 119.02° E

Wanjapu Surf Forecast and Surf Report

Issued: 1 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Wanjapu sea temperature is
26.5°C
0.5° 

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


Wanjapu surf forecast from 18 Sep 2026:

  • Best quality surf: Saturday 19 Sep, 11PM (local time) - 3.5ft (1.1m), 14s period, SW swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 5PM (local time) - 7ft (2.1m), 16s period, SW swell with 2,297 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 8PM (local time) - 5ft (1.6m), 14s 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 Friday (Sep 18) at 8PM. The primary swell is predicted to be 1.6m and 14s period with a secondary swell of 0.1m and 21s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wanjapu in the next 16 days are 2.1m 16s and forecast to arrive on Sunday (Sep 20) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Sunday (Sep 20) at 11PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 18th Sep)5ft (1.6m) 14s
Best Surf11PM (Sat 19th Sep)3.5ft (1.1m) 14s
Most Powerful 5PM (Sun 20th Sep)7ft (2.1m) 16s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light.

Fri
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
3
2
2
4
4
3
4
3
3
4
2
1
4
3
3
4
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
14
1.4
SW
14
1.3
SW
14
1.2
SW
14
1
SW
18
1.9
SW
17
2.1
SW
16
2.1
SW
16
2.1
SW
15
2
SW
14
1.7
SW
14
1.6
SW
13
1.3
SW
13
1.3
SSW
17
2
SSW
16
2.1
SW
16
2
SSW
15
1.8
SW
14
1.7
SW
14
1.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
907
661
676
581
609
2044
2297
2203
1784
1602
1099
834
600
986
2058
2093
1761
1321
1203
877
Wind (km/h)
15
SSE
10
ESE
10
WNW
15
SE
5
NE
5
WSW
15
SE
10
ENE
5
W
15
SSE
5
E
5
SW
25
SE
10
E
5
SW
10
SE
5
ENE
5
SW
10
SSE
5
SE
Wind State
cross
cross-off
cross-on
cross
off
glassy
cross
off
cross-on
cross
glassy
on
cross
cross-off
on
cross
off
glassy
cross
glassy
High Tide
1:46AM2.38m
2:17PM1.65m
2:15AM2.15m
3:29PM1.42m
3:12AM1.92m
10:26PM1.63m
7:03AM1.89m
9:15PM1.85m
8:18AM2.10m
9:26PM2.09m
9:01AM2.31m
9:43PM2.33m
Low Tide
7:23PM0.95m
8:37AM0.90m
7:38PM1.15m
9:42AM1.13m
7:23PM1.36m
1:41PM1.16m
00:30AM1.62m
2:38PM0.96m
2:35AM1.38m
3:05PM0.77m
3:08AM1.11m
3:28PM0.61m
3:37AM0.84m
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>
5:54
5:54
5:54
5:54
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
6:00
5:59
5:59
5:59
 mm
Temp °C
26
26
26
26
25
26
26
25
26
26
26
26
27
25
26
27
26
26
27
26
Feels °C
29
28
28
29
26
29
28
26
29
28
29
29
27
27
29
29
28
29
30
28
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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