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Wanukaka surfForecast / Sumba / Indonesia
12 Day Weather and Surf, issued 1 pm Sunday 13 Jul 2025 WITA
Best Forecast Surf Conditions for Wanukaka this week:
The surf forecast for Wanukaka over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 13) at 8PM. The primary swell is predicted to be 1.9m and 17s period with a secondary swell of 1.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wanukaka in the next 12 days are 2.5m 19s and forecast to arrive on Friday (Jul 18) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Thursday (Jul 17) at 8AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 13th Jul) | 6ft (1.9m) 17s |
| Best Surf | 5AM (Sat 19th Jul) | 8ft (2.5m) 17s |
| Most Powerful | 11AM (Fri 18th Jul) | 8ft (2.5m) 19s |
Table - best surf conditions forecast for Wanukaka over the next 12 days.
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Fri 25 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 18 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 20 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 2189 | 1856 | 1625 | 1749 | 1289 | 1196 | 1109 | 931 | 798 | 926 | 1183 | 1702 | 2252 | 3169 | 4525 | 4191 | 3951 | 4351 | 4426 | 3384 | 3100 | 2964 | 2821 | 2563 | 1860 | 1459 | 1084 | 844 | 739 | 733 | 871 | 605 | 587 | 600 | 713 | 712 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross | cross | cross- on | cross- on | glass | cross- on | cross | glass | cross- on | cross- on | cross- off | cross- on | cross- on | glass | cross- on | cross | off | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on |
High Tide / height (m) | 12:39AM 2.38 | 12:18PM 2.79 | 1:10AM 2.47 | 12:55PM 2.70 | 1:42AM 2.54 | 1:34PM 2.54 | 2:17AM 2.58 | 2:17PM 2.32 | 2:55AM 2.58 | 3:08PM 2.07 | 3:41AM 2.55 | 4:15PM 1.82 | 4:39AM 2.49 | 5:53PM 1.64 | 5:53AM 2.45 | 7:50PM 1.64 | 7:17AM 2.48 | 9:15PM 1.78 | 8:32AM 2.59 | 10:10PM 1.96 | 9:33AM 2.73 | 10:51PM 2.15 | 10:24AM 2.84 | |||||||||||||
Low Tide / height (m) | 6:22PM 0.13 | 6:17AM 0.78 | 6:53PM 0.17 | 6:57AM 0.74 | 7:23PM 0.25 | 7:39AM 0.72 | 7:55PM 0.39 | 8:25AM 0.73 | 8:28PM 0.56 | 9:17AM 0.77 | 9:04PM 0.76 | 10:23AM 0.82 | 9:47PM 0.97 | 11:49AM 0.83 | 10:48PM 1.16 | 1:29PM 0.73 | 12:26AM 1.28 | 2:50PM 0.55 | 2:09AM 1.24 | 3:47PM 0.35 | 3:21AM 1.09 | 4:32PM 0.20 | 4:16AM 0.91 | |||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Fri 25 | ||||||||||||||||||||||||
| Sunrise | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:20 | - | - | 6:18 |
| Sunset | 5:55 | - | - | 5:55 | - | - | 5:55 | - | - | 5:57 | - | - | 5:57 | - | - | 5:57 | - | - | 5:57 | - | - | 5:57 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - |
 |  | |  | | | | | | | | | | | | | | | |  | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 2 | 3 | 1 | - | - | - |
| Temp. °C | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 25 | 26 | 27 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 27 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 |
Short Range Forecast: Mostly dry. Warm (max 27°C on Sun afternoon, min 22°C on Tue night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | Long Range Forecast: Moderate rain (total 10mm), heaviest on Tue night. Warm (max 26°C on Tue afternoon, min 22°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Wanukaka 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 Wanukaka Surf forecast
The above surf forecast table for Wanukaka provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Wanukaka can be found by selecting the local surf guide option on the grey menu. Our Wanukaka 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 (Wanukaka) 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 Wanukaka 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.
Are you planning a holiday in Sumba? If you are looking for accommodation near Wanukaka, camping, hotels and holiday cottages in Sumba, consider staying in Adalara which is 34 km (21 miles) away.
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