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Surf Forecasts:

Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 7 am 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 Tuesday (Jan 20) at 11PM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.3m and 24s. Another secondary swell of 1.7m and 7s 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-shore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 20th Jan)4.5ft (1.4m) 14s
Best Surf 8PM (Wed 21st Jan)5ft (1.5m) 18s
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 30mm), heaviest during Mon afternoon. Warm (max 29°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 134mm), heaviest during Wed afternoon. Warm (max 26°C on Tue morning, min 23°C on Wed night). Wind will be generally light.

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
1
2
0
0
0
0
1
1
3
1
2
2
2
4
3
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.3
SW
1.5
SW
1.3
SW
1.5
SW
1.9
SW
1.7
SW
1.7
SW
1.4
SW
1
SSW
1.4
SSW
1.7
SSW
2.1
SSW
2
SSW
1.7
SSW
1.6
SW
1.6
SW
1.4
SW
Period(s) (?)141413161514141515141414201917161614141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)453453398875763915658953171610891138765790136618172178198212441016854623
Wind
(km/h)
20
WNW
20
W
15
WNW
15
WSW
15
WSW
15
WNW
20
WSW
20
W
20
WSW
15
WSW
10
SW
15
W
5
S
25
ESE
15
WNW
20
WNW
20
WNW
10
NW
20
NW
20
NW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		crosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
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
12:50PM
2.57
12:37AM
2.77
1:17PM
2.64
1:10AM
2.63
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
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise5:52--5:54--5:54--5:54--5:54--5:56--5:56--
Sunset-6:30--6:30--6:30--6:30--6:30--6:30--6:31-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
mod rain
light rain
mod rain
heavy rain
heavy rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
1152114510275975245165247
Temp. °C292927282927272827262626262425252626272726
Feels °C (?)303030313130283130272929282827272729282827
  • 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

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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