Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 1 am Sunday 04 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
29.4° 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 Wednesday (Jan 07) at 5AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.8m 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 1.4m 15s and forecast to arrive on Friday (Jan 09) 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+) 5AM (Wed 7th Jan)2.5ft (0.8m) 12s
Best Surf11PM (Thu 8th Jan)3ft (0.9m) 15s
Most Powerful 5AM (Fri 9th Jan)4.5ft (1.4m) 15s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 10mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 26°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Fri afternoon. Warm (max 30°C on Wed morning, min 26°C on Thu night). Wind will be generally light.

Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
1
0
0
1
0
0
2
0
1
3
1
3
3
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SW
1
SSW
0.9
SW
0.8
SSW
0.9
SSW
0.9
SSW
0.9
SW
0.9
W
0.8
SSW
1.1
SW
1.4
SW
1.5
SSW
1.6
SW
1.5
SW
1.4
SW
1.4
SW
Period(s) (?)151414131312121212111112111615141413131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)455561523465458456304209180223215202185322496846857854734627578
Wind
(km/h)
15
WSW
15
WSW
10
WSW
10
SSW
15
WSW
5
W
10
WSW
15
W
5
WNW
15
W
15
WSW
10
NW
15
W
15
WNW
10
NW
20
WNW
10
NW
10
NW
15
WNW
15
W
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
on
crosscross-
off
crosscross-
off
cross-
off
crosscrosscross-
off
High Tide
/ height (m)
11:17AM
2.26
10:52PM
3.05
11:56AM
2.38
11:37PM
3.04
12:33PM
2.47
12:19AM
2.94
1:10PM
2.53
12:59AM
2.76
1:46PM
2.55
1:38AM
2.53
2:22PM
2.51
2:17AM
2.26
2:59PM
2.44
2:59AM
1.99
Low Tide
/ height (m)
4:43PM
0.78
5:40AM
-0.07
5:29PM
0.68
6:18AM
-0.04
6:13PM
0.63
6:53AM
0.06
6:57PM
0.65
7:26AM
0.22
7:40PM
0.72
7:57AM
0.41
8:24PM
0.82
8:27AM
0.62
9:12PM
0.94
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunrise5:47--5:47--5:48--5:48--5:48--5:48--5:50--
Sunset-6:27--6:28--6:28--6:28--6:29--6:29--6:29-
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
Rain (mm)
----14--5--2142242--1
Temp. °C292928292927292927303027292927292926303027
Feels °C (?)313132323130323131323231313131303129323131
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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