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Surf Forecasts:

Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 1 pm Saturday 17 Jan 2026 WITA
Forecast 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
29.6° C
 (Which is normal for this time of year)

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 Thursday (Jan 22) at 8AM. The primary swell is predicted to be 2.1m and 16s period with a secondary swell of 0.1m and 13s. Another secondary swell of 1.2m and 9s is also forecast. 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 2.2m 17s and forecast to arrive on Thursday (Jan 22) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 22nd Jan)7ft (2.1m) 16s
Best Surf 8AM (Thu 22nd Jan)7ft (2.1m) 16s
Most Powerful 5AM (Thu 22nd Jan)7ft (2.2m) 17s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 52mm), heaviest during Tue morning. Warm (max 29°C on Sat afternoon, min 25°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 96mm), heaviest during Fri morning. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Mainly fresh winds.

Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
1
0
1
2
0
0
1
0
1
1
0
0
2
3
3
2
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.3
SW
1.3
SW
1.5
SW
1.3
SW
1.5
SW
1.6
SW
1.6
SW
1.5
SW
1.4
SW
1
SSW
1.4
SSW
1.7
SSW
2.1
SSW
1.9
SSW
1.7
SSW
1.6
SW
1.3
SSW
1.2
SW
1.2
SW
Period(s) (?)141316151414151514141420191716161414131314
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4533988757639156589531163920865765790136618172178172111261002590509581
Wind
(km/h)
20
W
15
WNW
20
W
15
W
15
WNW
25
W
20
W
20
W
15
WSW
20
W
20
WNW
30
WSW
20
WSW
20
WNW
20
NW
10
WNW
30
NNW
25
WNW
20
W
25
WNW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		crosscross-
off		crosscross-
off		crosscrosscrosscross
High Tide
/ height (m)
9:51PM
2.53
11:05AM
2.09
10:28PM
2.67
11:32AM
2.23
11:02PM
2.78
11:58AM
2.36
11:34PM
2.84
12:24PM
2.48
12:06AM
2.84
12:50PM
2.57
12:37AM
2.77
1:17PM
2.64
1:10AM
2.63
1:45PM
2.67
Low Tide
/ height (m)
3:47PM
1.16
4:45AM
0.34
4:24PM
1.02
5:14AM
0.21
4:59PM
0.89
5:42AM
0.13
5:32PM
0.78
6:09AM
0.09
6:06PM
0.69
6:35AM
0.11
6:39PM
0.63
7:02AM
0.18
7:15PM
0.61
7:28AM
0.30
Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise--5:54--5:54--5:54--5:54--5:56--5:56--5:56
Sunset6:30--6:30--6:30--6:30--6:30--6:30--6:31--
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
heavy rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
Rain (mm)
1112257141910111881113151919147
Temp. °C292729282727272626272726252626272626252627
Feels °C (?)302931303028282827282826262728312926272928
  • 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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Latest Updates

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Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

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Discover more articles and updates in the Greenroom.

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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.

View detailed surf forecast for Wanukaka at:
surf-forecast.com

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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