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Surf Forecasts

Wanjapu surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 7 am Friday 16 May 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
28.7° 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 Friday (May 16) at 2PM. The primary swell is predicted to be 1.1m and 15s period with a secondary swell of 0.7m and 12s. Another secondary swell of 1.1m and 6s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Wanjapu in the next 12 days are 1.4m 20s and forecast to arrive on Friday (May 23) at 2PM. 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+) 2PM (Fri 16th May)3.5ft (1.1m) 15s
Best Surf 5AM (Sun 18th May)5ft (1.5m) 15s
Most Powerful 2PM (Fri 23rd May)4.5ft (1.4m) 20s

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

Hourly12 Days
Sumba Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
1
3
2
1
3
1
3
3
0
0
2
2
0
0
0
0
2
3
3
3
4
4
4
3
3
4
3
1
3
2
0
2
2
0
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SW
1.1
SW
1.4
SW
1.4
SW
1.4
SW
1.4
SW
1.1
SW
1.4
SW
1.3
SW
1.1
SW
1.1
SW
1
SW
0.8
SW
0.8
SW
1.2
SSE
0.7
SW
0.5
SW
0.8
SW
1.2
SW
1.3
SW
1.4
SW
1.2
SSW
1.4
SSW
1.9
SW
1.9
SW
1.9
SSW
1.6
SW
1.6
SW
1.5
SW
1.4
SW
1.2
SW
1.1
SW
1
SW
0.9
SSW
2
SE
2
SE
Period(s) (?)151616151515141615141413131471418171716162019181616151514141313131278
Wave
Graph
(?)Metric surfscale
Energy (?)7145468949189059304938717634594473402462771201981553308028759641088138122641737176510741124915671517444331264407502
Wind
(km/h)
5
ESE
20
SE
10
ESE
15
SE
30
SE
15
ESE
10
SE
20
ESE
15
ESE
15
SE
25
SE
20
ESE
15
ESE
25
SE
25
ESE
10
SE
20
SE
15
ESE
10
ESE
15
ESE
10
ESE
5
ESE
5
ESE
10
E
5
SE
15
SE
5
ENE
5
SE
20
SE
15
E
5
SE
20
SE
10
ESE
5
SE
15
SE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		crosscross-
off		cross-
off		crosscross-
off		cross-
off		crosscrosscross-
off		cross-
off		crosscross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		cross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		glasscrosscross-
off
High Tide
/ height (m)
11:48AM
2.78
12:42AM
2.12
12:18PM
2.69
1:18AM
2.03
12:50PM
2.57
2:02AM
1.94
1:29PM
2.41
3:00AM
1.90
2:21PM
2.23
4:18AM
1.92
3:44PM
2.04
5:37AM
2.05
5:35PM
1.96
6:40AM
2.26
7:07PM
2.01
7:30AM
2.51
8:15PM
2.13
8:15AM
2.75
9:09PM
2.24
8:58AM
2.96
9:57PM
2.32
9:41AM
3.11
10:41PM
2.36
Low Tide
/ height (m)
6:34PM
0.27
6:12AM
0.91
7:08PM
0.38
6:44AM
1.02
7:47PM
0.51
7:24AM
1.15
8:33PM
0.66
8:19AM
1.28
9:28PM
0.80
9:45AM
1.35
10:38PM
0.91
11:37AM
1.26
11:54PM
0.95
1:08PM
0.99
1:01AM
0.94
2:11PM
0.66
1:56AM
0.88
3:01PM
0.34
2:45AM
0.81
3:46PM
0.09
3:30AM
0.74
4:30PM
-0.07
4:13AM
0.69
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Sunrise6:09--6:09--6:09--6:09--6:09--6:11--6:11--6:11--6:11--6:11--6:11--6:11--
Sunset-5:50--5:50--5:50--5:50--5:49--5:49--5:49--5:49--5:49--5:49--5:49--5:49-
part cloudthunderstorm thunderstorm clearthunderstorm clearclearpart cloudclearpart cloudpart cloudpart cloudclearpart cloudpart cloudclearclearpart cloudclearthunderstorm thunderstorm part cloudthunderstorm thunderstorm clearthunderstorm clearclearpart cloudclearclearclearthunderstorm clearthunderstorm thunderstorm
Rain (mm)
-11-1--------------12-11-2------3-21
Temp. °C282827282827272727272727272727272727272827272727282827272727272827282827
Feels °C (?)323228302826282726282726282726292827293130313031313129302928303129323230

Short Range Forecast: Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Mon morning, min 25°C on Mon night). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 28°C on Thu afternoon, min 25°C on Sat night). Wind will be generally light.

Long Range Forecast: Light rain (total 7mm), mostly falling on Mon night. Warm (max 28°C on Mon afternoon, min 25°C on Sun night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Wanjapu at:
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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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