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Surf Forecasts:

Wanjapu surfForecast / Sumba / Indonesia

information circle16 Day Weather and Surf, issued 7 pm Monday 16 Mar 2026 WITA
Forecast update in hr  min  s Forecast update imminent
Wanjapu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wanjapu sea temperature is
28.4° C
 (Which is slightly cooler than normal)

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 (Mar 17) at 5AM. The primary swell is predicted to be 1.4m and 15s period with a secondary swell of 0.3m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wanjapu in the next 16 days are 1.5m 14s and forecast to arrive on Monday (Mar 23) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 17th Mar)4.5ft (1.4m) 15s
Best Surf 5AM (Tue 17th Mar)4.5ft (1.4m) 15s
Most Powerful 8PM (Mon 23rd Mar)5ft (1.5m) 14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 14mm), heaviest on Wed night. Warm (max 28°C on Tue morning, min 27°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 31mm), heaviest during Sat morning. Warm (max 28°C on Thu night, min 26°C on Fri night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
1
1
2
1
2
0
0
2
0
0
0
0
0
0
0
1
1
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.2
SW
1.4
SW
1.4
SW
1.1
SW
1.3
SW
1.2
SW
1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
0.9
SW
0.9
SW
0.7
SSW
1.4
SW
1.4
SSW
1.2
SSW
1.4
SSW
1.4
SW
Period(s) (?)151514141313131313141313131212161414131415
Wave
Graph
(?)Metric surfscale
Energy kJ (?)631623763671458577525342394424406394376216212215763785472785869
Wind
(km/h)
5
WSW
10
W
10
SW
10
SSE
10
S
15
SSW
5
S
10
W
15
SW
5
WSW
10
W
15
WSW
10
W
15
WSW
15
WSW
15
WNW
20
WNW
15
W
15
WNW
10
WNW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onglasscross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on
High Tide
/ height (m)
9:16PM
2.36
10:05AM
2.32
9:51PM
2.57
10:24AM
2.57
10:24PM
2.73
10:45AM
2.80
10:56PM
2.82
11:09AM
3.00
11:28PM
2.83
11:35AM
3.14
12:00AM
2.76
12:04PM
3.19
12:34AM
2.61
12:34PM
3.15
Low Tide
/ height (m)
3:49AM
0.54
3:53PM
0.85
4:12AM
0.39
4:22PM
0.56
4:37AM
0.29
4:53PM
0.30
5:02AM
0.23
5:24PM
0.09
5:28AM
0.23
5:57PM
-0.02
5:56AM
0.28
6:32PM
-0.03
6:23AM
0.38
7:08PM
0.07
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
Sunrise-6:07--6:07--6:07--6:07--6:07--6:07--6:07-
Sunset--6:15--6:15--6:15--6:15--6:14--6:13--6:13
thunderstorm
part cloud
part cloud
thunderstorm
cloud
thunderstorm
thunderstorm
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
rain showers
part cloud
part cloud
Rain (mm)
4--2-26--3-365491-3--
Temp. °C272828272828272828282828282727272727272727
Feels °C (?)313231303131303131313130312929302728292929
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Wanjapu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Wanjapu at:
surf-forecast.com

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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