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Surf Forecasts:
Wanukaka surfForecast / Sumba / Indonesia
16 Day Weather and Surf, issued 1 am Thursday 23 Apr 2026 WITAForecast update in hr min s Forecast update imminent
Wanukaka surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wanukaka sea temperature is
29.3° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Wanukaka this week:
The surf forecast for Wanukaka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 23) at 8PM. The primary swell is predicted to be 1.8m and 15s period with a secondary swell of 0.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wanukaka in the next 16 days are 1.7m 17s and forecast to arrive on Sunday (Apr 26) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Friday (Apr 24) at 8PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 23rd Apr) | 6ft (1.8m) 15s |
| Best Surf | 8PM (Thu 23rd Apr) | 6ft (1.8m) 15s |
| Most Powerful | 2AM (Sun 26th Apr) | 5.5ft (1.7m) 17s |
Table - best surf conditions forecast for Wanukaka over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Tue night. Warm (max 28°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SSW 16 | SW 15 | SW 14 | SSW 14 | SW 13 | SSW 13 | SW 13 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 14 | SSW 19 | SSW 18 | SSW 16 | SSW 16 | |
1498 | 1396 | 1303 | 990 | 867 | 572 | 471 | 372 | 1570 | 1441 | 1238 | 799 | 626 | 599 | 458 | 458 | 456 | 735 | 1159 | 1371 | 1273 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | off | cross-on | glassy | cross-off | cross-on | cross-off | cross-off | cross-on | cross | off | cross-on | cross | off | cross-on | cross | off | cross-on | glassy | off | |
High Tide | 1:41PM2.67m | 2:55AM1.84m | 2:36PM2.35m | 4:36AM1.75m | 4:10PM2.06m | 6:39AM1.86m | 6:26PM1.96m | 7:50AM2.09m | 7:57PM2.05m | 8:33AM2.33m | 8:54PM2.18m | 9:06AM2.53m | 9:36PM2.29m | ||||||||
Low Tide | 8:40PM0.54m | 8:10AM1.13m | 9:49PM0.80m | 9:34AM1.36m | 11:33PM0.96m | 12:24PM1.37m | 1:13AM0.95m | 2:06PM1.11m | 2:13AM0.87m | 2:56PM0.82m | 2:54AM0.80m | 3:34PM0.57m | 3:28AM0.74m | ||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 5:55 | — | — | 5:54 | — | — | 5:54 | — | — | 5:53 | — | — | 5:53 | — | — | 5:53 | — | — | 5:52 | — |
— | — | — | — | 3 | 1 | 3 | 4 | — | — | 5 | 4 | — | 3 | 2 | — | 7 | 8 | — | 6 | 6 | |
Temp °C | 29 | 28 | 27 | 29 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 28 | 27 | 27 |
33 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 29 | 31 | 31 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 15 | SW 14 | SSW 14 | SW 13 | SSW 13 | SW 13 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 14 | SE 6 | SSW 18 | SSW 16 | SSW 16 |
 kJ | 1498 | 1396 | 1303 | 990 | 867 | 572 | 471 | 372 | 1570 | 1441 | 1238 | 799 | 626 | 599 | 458 | 458 | 456 | 109 | 1159 | 1371 | 1273 |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | SE 5 | SE 7 | SE 7 | SW 20 | SW 12 | SE 7 | SE 6 | — | SE 7 | SE 6 | — | SE 6 | SE 6 | SSW 20 | SSW 19 | SE 6 | SE 6 | SE 6 |
| kJ | 10 | 11 | 43 | 17 | 105 | 112 | 98 | 202 | 77 | 46 | — | 86 | 54 | — | 80 | 68 | 371 | 735 | 79 | 54 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 22 | — | SSW 18 | — | — | — | — | — | — | SW 24 | SSW 22 | SW 18 | SSW 13 | SSW 13 | — | WSW 15 |
| kJ | — | — | — | — | — | 19 | — | 228 | — | — | — | — | — | — | 22 | 181 | 12 | 290 | 215 | — | 21 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 6 | — | ESE 7 | ESE 7 | SE 6 | SE 6 | SE 7 | SE 6 | SE 6 | ESE 7 | SE 6 | SE 6 | ESE 6 | ESE 6 | SE 6 | ESE 6 | — | ESE 6 | — |
| kJ | — | — | 84 | — | 218 | 196 | 88 | 120 | 119 | 76 | 113 | 170 | 91 | 69 | 145 | 137 | 116 | 181 | — | 103 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 144 | 0 | 33 | 0 | 0 | 33 | 0 | 0 | 144 | 33 | 0 | 144 | 33 | 0 | 33 | 144 | 0 | 33 | 0 | 0 |
Best forecast wave conditions in Sumba | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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