Surf Forecasts:
Wanjapu surf forecast from 17 Jun 2026:
- Best quality surf: Sunday 21 Jun, 2AM (local time) - 4ft (1.2m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 17 Jun, 8PM (local time) - 5ft (1.6m), 14s period, SSW swell with 1,076 kJ wave energy.
- Next surfable swell (1★+): Thursday 18 Jun, 2AM (local time) - 4.5ft (1.4m), 14s period with SSW 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 Thursday (Jun 18) at 2AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.8m and 5s. 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 1.6m 14s and forecast to arrive on Wednesday (Jun 17) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Jun 18) at 2AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 18th Jun) | 4.5ft (1.4m) 14s |
| Best Surf | 2AM (Sun 21st Jun) | 4ft (1.2m) 16s |
| Most Powerful | 8PM (Wed 17th Jun) | 5ft (1.6m) 14s |
Table - best surf conditions forecast for Wanjapu over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 27°C on Wed afternoon, min 25°C on Wed morning). Winds increasing (light winds from the ESE on Wed morning, fresh winds from the SE by Fri night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat afternoon. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | S 8 | SW 18 | SSE 8 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1169 | 1010 | 774 | 590 | 659 | 630 | 270 | 259 | 338 | 336 | 617 | 757 | 692 | 640 | 614 | 606 | 598 | 803 | 976 | 879 | 773 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off | glassy | cross-on | cross-off | cross | cross | cross-off |
High Tide | 11:13AM3.12m | 00:16AM2.36m | 12:01PM3.04m | 1:01AM2.39m | 12:48PM2.87m | 1:46AM2.41m | 1:36PM2.63m | 2:33AM2.41m | 2:26PM2.36m | 3:23AM2.38m | 3:24PM2.09m | 4:16AM2.35m | 4:34PM1.86m | ||||||||
Low Tide | 6:03PM-0.06m | 5:51AM0.70m | 6:45PM0.04m | 6:40AM0.72m | 7:27PM0.19m | 7:32AM0.79m | 8:07PM0.38m | 8:27AM0.89m | 8:48PM0.59m | 9:28AM0.98m | 9:31PM0.81m | 10:41AM1.04m | 10:19PM1.00m | ||||||||
 | |  | | |  | |  | | | | | |  | | |  | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | 3 | — | — | — | — | 1 | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 27 | 28 | 28 | 26 | 28 | 26 | 25 | 29 | 27 | 26 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 8 | SW 13 | SW 12 | SSE 8 | SW 16 | SW 16 | SW 16 | SE 7 | SW 15 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 1169 | 1010 | 774 | 590 | 659 | 630 | 270 | 230 | 152 | 183 | 617 | 757 | 692 | 199 | 614 | 606 | 598 | 803 | 976 | 879 | 773 |
Swell 2 Height (m) Direction Period (s) | SE 5 | — | SE 5 | SSW 8 | — | SW 24 | SW 13 | SW 20 | SW 18 | SW 18 | SW 12 | SSE 7 | SSE 8 | SW 15 | SSE 7 | SE 8 | SE 8 | SSE 7 | SSE 6 | — | SE 6 |
| kJ | 16 | — | 35 | 42 | — | 22 | 230 | 190 | 338 | 319 | 68 | 147 | 117 | 640 | 93 | 45 | 84 | 81 | 34 | — | 56 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 8 | — | — | SW 24 | SSW 21 | SW 20 | SSW 8 | SW 12 | — | — | — | — | — | S 6 | SSW 18 | — | — | — | — |
| kJ | — | — | 21 | — | — | 22 | 45 | 188 | 28 | 144 | — | — | — | — | — | 19 | 124 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 4 | SE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | S 8 | SSE 7 | SSE 8 | SSE 8 | SE 7 | SE 8 | SE 7 | — | — | SE 8 | SE 7 | — | SE 6 | SE 6 |
| kJ | — | 20 | 85 | 15 | 37 | 47 | 60 | 259 | 186 | 336 | 319 | 279 | 318 | 589 | — | — | 276 | 234 | — | 58 | 139 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 116 | 118 | 0 | 119 | 118 | 108 | 119 | 118 | 108 | 119 | 119 | 0 | 2 | 33 | 0 | 0 | 20 | 0 | 2 | 20 | 0 |
Best forecast wave conditions in Sumba | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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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.
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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