Asu Surf Break

Lat Long: 0.92° N 97.25° E

Asu Surf Forecast and Surf Report

Issued: 12 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Asu sea temperature is
29.9°C
0.7° 

Asu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Asu surf forecast from 24 Aug 2026:

  • Best quality surf: Monday 24 Aug, 10AM (local time) - 6ft (1.8m), 17s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 27 Aug, 10PM (local time) - 7ft (2.1m), 18s period, SSW swell with 2,672 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 10AM (local time) - 6ft (1.8m), 17s period with SSW swell.

Best Forecast Surf Conditions for Asu this week:

The surf forecast for Asu over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 10AM. The primary swell is predicted to be 1.8m and 17s period with a secondary swell of 0.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Asu in the next 16 days are 2.1m 18s and forecast to arrive on Thursday (Aug 27) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10AM (Mon 24th Aug)6ft (1.8m) 17s
Best Surf10AM (Mon 24th Aug)6ft (1.8m) 17s
Most Powerful10PM (Thu 27th Aug)7ft (2.1m) 18s

Table - best surf conditions forecast for Asu over the next 16 days.


Short Range Forecast

Heavy rain (total 43mm), heaviest during Tue night. Warm (max 28°C on Sun night, min 27°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 28°C on Wed night, min 27°C on Wed night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
4
4
3
3
1
2
4
4
4
4
4
4
3
3
3
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SSW
17
1.2
SSW
16
1.8
SSW
16
1.8
SSW
15
1.7
SSW
15
1.7
SSW
14
1.6
SSW
13
1.3
SSW
13
1.1
SW
16
1.5
SSW
15
1.4
SW
19
2.1
SSW
17
2.2
SSW
16
2.1
SSW
16
1.7
SSW
15
1.5
SSW
14
1.3
SSW
14
1.2
SSW
13
0.8
SW
21
1.1
SW
19
1.3
SW
19
Wave Graph
Metric surfscale
Energy kJ
1907
751
1697
1511
1292
1099
863
624
620
1042
1282
2611
2389
2023
1158
947
672
472
533
834
1124
Wind (km/h)
10
SSE
20
SSE
15
SSE
10
SSE
15
SSW
10
SW
0
WNW
10
W
5
WSW
5
SSE
5
SSW
10
S
10
ESE
15
S
10
SSE
5
ESE
5
S
5
SSE
10
SE
10
SSW
5
S
Wind State
cross-off
cross-off
cross-off
off
cross-off
cross
glassy
cross-on
cross
glassy
cross-off
cross-off
off
cross-off
off
off
glassy
off
off
cross-off
glassy
High Tide
4:33PM0.34m
4:36AM0.64m
5:07PM0.41m
5:11AM0.70m
5:36PM0.48m
5:41AM0.74m
6:04PM0.55m
6:09AM0.77m
6:32PM0.61m
6:37AM0.78m
7:00PM0.67m
7:04AM0.76m
7:29PM0.71m
Low Tide
11:18AM0.18m
9:34PM0.19m
11:34AM0.14m
10:24PM0.16m
11:52AM0.10m
11:04PM0.12m
12:12PM0.07m
11:40PM0.09m
12:33PM0.05m
00:15AM0.07m
12:55PM0.03m
00:49AM0.06m
1:17PM0.01m
1:25AM0.07m
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
thunderstorm
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
6:28
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
6:36
6:36
6:36
6:35
 mm
7
3
3
21
3
1
5
3
1
1
4
2
6
Temp °C
27
28
28
27
28
28
27
28
28
27
28
28
28
28
28
27
28
28
27
28
27
Feels °C
30
30
30
30
31
31
31
31
32
31
32
31
31
30
30
31
32
32
31
31
30
  • 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 Asu Surf forecast

The above surf forecast table for Asu provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Asu can be found by selecting the local surf guide option on the grey menu. Our Asu 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 (Asu) 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 Asu 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 Nias? If you are looking for accommodation near Asu, camping, hotels and holiday cottages in Nias, consider staying in Afia which is 60 km (37 miles) away.

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