Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 1 pm Wednesday 31 Dec 2025 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 Saturday (Jan 03) at 2AM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.7m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wanukaka in the next 12 days are 1.3m 14s and forecast to arrive on Sunday (Jan 04) at 8PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 3rd Jan)3.5ft (1.1m) 12s
Best Surf 2AM (Sat 3rd Jan)3.5ft (1.1m) 12s
Most Powerful 8PM (Sun 4th Jan)4.5ft (1.3m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 29°C on Wed afternoon, min 26°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 26°C on Sat night). Wind will be generally light.

Wed
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
2
0
0
1
0
0
2
0
0
2
0
1
2
1
0
1
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.6
SW
1.4
SW
1.2
SW
0.8
SSW
1.2
SSW
1.2
SSW
1.1
SSW
0.7
SW
0.8
SSW
0.9
SSW
1
SSW
1.2
SSW
1.1
SW
1.1
SW
1.1
SW
1.3
SSW
0.9
SSW
0.9
SW
0.8
SSW
1.1
W
Period(s) (?)111211111312121211181615141413131212121210
Wave
Graph
(?)Metric surfscale
Energy kJ (?)553683512341206378378330123395447455561450444394521255209180237
Wind
(km/h)
15
SW
10
WSW
10
WSW
15
SW
10
SW
10
SW
10
WSW
5
SSW
10
SSW
15
SSW
0
NNW
10
S
10
SW
5
WSW
10
SSW
10
SW
10
WSW
15
WSW
15
SW
5
WNW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassononglassoncross-
on
glassoncross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
High Tide
/ height (m)
7:05PM
2.53
8:47AM
1.80
8:12PM
2.69
9:47AM
1.96
9:11PM
2.85
10:35AM
2.11
10:04PM
2.98
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
Low Tide
/ height (m)
2:28AM
0.54
1:45PM
1.18
3:27AM
0.30
2:55PM
1.07
4:16AM
0.10
3:53PM
0.92
5:00AM
-0.03
4:43PM
0.78
5:40AM
-0.07
5:29PM
0.68
6:18AM
-0.04
6:13PM
0.63
6:53AM
0.06
Wed
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Sunrise--5:45--5:45--5:46--5:47--5:47--5:48--5:48
Sunset6:25--6:25--6:25--6:27--6:27--6:28--6:28--
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
part cloud
part cloud
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
Rain (mm)
-------------3--43-22
Temp. °C292728282829292728282729282829292728292829
Feels °C (?)313130293031313032323132313233323031313231
  • 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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