Wanjapu surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 1 am Friday 26 Dec 2025 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
29.8° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Wanjapu this week:

The surf forecast for Wanjapu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 28) at 11AM. The primary swell is predicted to be 1.6m and 16s period with a secondary swell of 0.9m and 7s. Another secondary swell of 1.4m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Wanjapu in the next 12 days are 1.9m 14s and forecast to arrive on Sunday (Dec 28) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 28th Dec)5ft (1.6m) 16s
Best Surf11AM (Sun 28th Dec)5ft (1.6m) 16s
Most Powerful11PM (Sun 28th Dec)6ft (1.9m) 14s

Table - best surf conditions forecast for Wanjapu over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 84mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 27°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 42mm), heaviest during Mon night. Warm (max 29°C on Mon morning, min 26°C on Mon night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
1
4
2
3
2
1
0
0
0
1
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
1.3
SSW
0.8
SW
1.1
SW
1.3
SW
1.6
SW
1.6
SW
1.4
SW
1.9
SW
1.1
SW
1.1
SW
1.6
SW
1.7
SSW
1.7
SW
1.6
SW
1.5
SSW
1.6
SW
1.5
SSW
1.5
SSW
1.3
SSW
1.4
SSW
Period(s) (?)131319181716161514141413131212111112121113
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5815814366941062122511798911484459434841890808734594604604647352620
Wind
(km/h)
25
NW
20
WNW
25
WNW
25
WNW
20
W
20
WNW
15
NW
15
NW
10
NW
15
NW
15
WNW
15
W
15
WNW
15
W
15
W
20
WSW
20
WSW
15
WSW
15
WSW
15
WSW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
off
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
onon
High Tide
/ height (m)
2:10PM
2.34
1:51AM
2.37
2:50PM
2.35
2:40AM
2.15
3:36PM
2.37
3:45AM
1.92
4:34PM
2.39
5:21AM
1.74
5:45PM
2.44
7:11AM
1.71
6:58PM
2.54
8:37AM
1.82
8:06PM
2.70
Low Tide
/ height (m)
8:01PM
0.97
8:22AM
0.57
8:54PM
1.01
9:00AM
0.74
10:00PM
1.02
9:45AM
0.92
11:26PM
0.97
10:46AM
1.09
1:01AM
0.81
12:09PM
1.19
2:20AM
0.57
1:37PM
1.17
3:19AM
0.32
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise5:43--5:43--5:43--5:43--5:45--5:46--5:46--
Sunset-6:23--6:24--6:24--6:25--6:25--6:25--6:27-
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
mod rain
thunderstorm
part cloud
thunderstorm
mod rain
thunderstorm
mod rain
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
Rain (mm)
-320712303-93-1189101-----
Temp. °C292928282828282928292928282828292928292928
Feels °C (?)303129292931303131323130303030303029302929
  • 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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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 12 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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