Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 7 am Wednesday 10 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
30.0° C
(Which is slightly warmer than usual)


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 (Dec 10) at 5PM. The primary swell is predicted to be 1.3m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Wanukaka in the next 12 days are 1.4m 13s and forecast to arrive on Saturday (Dec 13) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Tuesday (Dec 16) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Wed 10th Dec)4.5ft (1.3m) 14s
Best Surf11PM (Wed 10th Dec)4.5ft (1.3m) 14s
Most Powerful 2AM (Sat 13th Dec)4.5ft (1.4m) 13s

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 19mm), heaviest on Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Wed afternoon). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 57mm), heaviest during Mon afternoon. Warm (max 29°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
0
1
2
0
1
3
2
2
2
2
2
2
2
2
2
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.3
SW
1.3
SW
1.1
SW
1.3
SW
1.1
SW
1.1
SW
1.3
SW
1.4
SW
1.4
SW
1.4
SW
1.3
SW
1.2
SW
1.2
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
Period(s) (?)111414141314131313131312121212121212111113
Wave
Graph
(?)Metric surfscale
Energy kJ (?)285621595447577465444577732604604479421428361349303259209179282
Wind
(km/h)
5
S
0
NE
5
NNE
10
WSW
10
SW
5
N
10
SW
5
SW
5
N
5
SW
5
S
10
N
10
N
5
NNE
5
NNE
5
N
5
WNW
5
NNW
5
SSE
0
SSW
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglasscross-
on
oncross-
off
cross-
on
cross-
on
offglassglasscross-
off
cross-
off
offglassglassglasscross-
off
cross-
on
glassglass
High Tide
/ height (m)
2:11PM
2.24
1:53AM
2.46
3:02PM
2.20
2:46AM
2.17
4:01PM
2.18
3:55AM
1.90
5:06PM
2.18
5:29AM
1.73
6:11PM
2.22
7:08AM
1.70
7:09PM
2.28
8:23AM
1.77
7:58PM
2.36
Low Tide
/ height (m)
7:49PM
0.95
8:30AM
0.53
8:48PM
1.08
9:14AM
0.76
10:03PM
1.18
10:04AM
0.96
11:42PM
1.17
11:08AM
1.12
1:17AM
1.04
12:24PM
1.21
2:20AM
0.86
1:35PM
1.22
3:04AM
0.67
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Sunrise5:33--5:35--5:35--5:35--5:35--5:35--5:37--
Sunset-6:15--6:15--6:15--6:16--6:16--6:17--6:17-
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
62-----7417677461362610
Temp. °C272525292927292927292927282726292927282827
Feels °C (?)322829313031313232333331313130333332323132
  • 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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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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