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Surf Forecasts:

Wanukaka surfForecast / Sumba / Indonesia

information circle12 Day Weather and Surf, issued 7 am Wednesday 03 Sep 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
26.9° 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 (Sep 03) at 8PM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 1.9m and 6s. 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 2.5m 18s and forecast to arrive on Wednesday (Sep 10) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Wednesday (Sep 10) at 11AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Wed 3rd Sep)4.5ft (1.4m) 14s
Best Surf 8AM (Fri 5th Sep)6ft (1.8m) 16s
Most Powerful 2AM (Wed 10th Sep)8ft (2.5m) 18s

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 Mostly dry. Warm (max 27°C on Wed morning, min 23°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light.

Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
3
0
1
3
2
1
3
1
0
2
0
0
1
0
0
2
1
1
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
SW
1.5
SW
1.3
SW
1.3
SW
1.2
SW
1.3
SW
2
SSW
2.1
SSW
2
SSW
1.9
SSW
1.7
SSW
1.5
SW
1.4
SW
1.3
SW
1.6
SW
2
SSW
1.5
SW
2.5
SSW
2.2
SSW
1.9
SW
2.5
SSW
Period(s) (?)151414131314171716161514151414131615141418
Wave
Graph
(?)Metric surfscale
Energy (?)99210377475957011186224024311880169912979429169011131218921642995284527353910
Wind
(km/h)
20
SSE
20
SE
5
NE
20
SSE
15
SE
5
NNE
15
S
15
SE
10
ESE
20
SSE
20
SSE
15
SE
20
SE
20
SE
15
ESE
20
SSE
20
SSE
15
SE
20
SSE
20
SE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
off		cross-
on		cross-
on		glassoncross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		cross
High Tide
/ height (m)
10:12PM
1.63
7:36AM
2.04
9:50PM
1.84
8:42AM
2.26
10:03PM
2.08
9:26AM
2.50
10:21PM
2.33
10:03AM
2.70
10:43PM
2.58
10:39AM
2.84
11:07PM
2.81
11:13AM
2.89
11:33PM
3.00
Low Tide
/ height (m)
2:31PM
1.01
1:12AM
1.59
3:11PM
0.78
2:49AM
1.37
3:39PM
0.56
3:29AM
1.10
4:04PM
0.37
4:03AM
0.82
4:30PM
0.24
4:37AM
0.54
4:57PM
0.15
5:11AM
0.29
5:24PM
0.13
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Sunrise6:03--6:03--6:03--6:01--6:01--6:01--6:00--
Sunset-6:00--6:00--6:00--6:00--6:00--6:00--5:59-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
thunderstorm
thunderstorm
Rain (mm)
----------------11-41
Temp. °C272725262725262625262625262625262525272726
Feels °C (?)262726252627262626262525262524262526292929
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Sumba

  1. weather stationWind Update The wind is still cross-off at Wanukaka (moderate winds from the E at SHIP3337 251 km from Wanukaka). 1.4m 15s groundswell from the SW with a 0.9m 5s windswell from the SE. 2 swells combining to make bigger set waves.

    1 hour 25 minutes ago Wanukaka
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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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