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Surf Forecasts:

Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 1 am Thursday 15 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 15) at 11AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 1.6m and 8s. 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 1.9m 17s and forecast to arrive on Thursday (Jan 22) at 5AM. 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+)11AM (Thu 15th Jan)3ft (0.9m) 15s
Best Surf11AM (Thu 15th Jan)3ft (0.9m) 15s
Most Powerful 5AM (Thu 22nd Jan)6ft (1.9m) 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 70mm), heaviest during Fri morning. Warm (max 28°C on Sat morning, min 24°C on Fri morning). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 44mm), heaviest during Tue afternoon. Warm (max 28°C on Sun morning, min 24°C on Mon morning). Wind will be generally light.

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
3
2
3
1
1
1
1
1
0
2
1
0
0
0
0
0
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
1.6
W
0.8
SW
1.9
W
1
SW
1
SW
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.3
SW
1.6
SW
1.3
SW
1.5
SW
1.5
SW
1.6
SW
1.5
SW
1.2
SW
2.3
SW
1.3
SSW
1.7
SSW
Period(s) (?)1581681414141413161514141515141414131918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3653392994104043984534533987937639926589531019907840556181111471663
Wind
(km/h)
15
NW
5
NNW
15
NW
10
W
10
NW
20
WNW
25
WNW
20
WNW
15
WNW
20
W
15
W
15
W
15
WSW
15
WSW
20
W
20
W
25
WNW
25
WNW
25
WNW
25
W
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		glasscross-
off		crosscross-
off		crosscrosscrosscrosscrosscross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on
High Tide
/ height (m)
9:21AM
1.63
8:12PM
2.23
10:06AM
1.78
9:07PM
2.37
10:37AM
1.94
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
Low Tide
/ height (m)
1:44PM
1.41
3:38AM
0.68
2:59PM
1.30
4:14AM
0.50
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
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Sunrise5:52--5:52--5:52--5:54--5:54--5:54--5:54--
Sunset-6:30--6:30--6:30--6:30--6:30--6:30--6:30-
thunderstorm
mod rain
light rain
heavy rain
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
1265139754943123--589212321
Temp. °C262726252526282726282826262827272827262525
Feels °C (?)283129292828292828303030282929282928282527
  • 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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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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