Asu surfForecast / Nias / Indonesia

information circle48hr Weather and Surf, issued 6 am Thursday 23 Apr 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Asu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Asu sea temperature is
30.3° C
(Which is slightly warmer than usual)

How big are the waves at Asu today?

The current surf forecast for Asu at 9AM is: 1.3m 16s primary swell from a South-southwest direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 06:00am April 23). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (WIB) & DateWave HeightWave Period
Morning (23 Apr)4.5ft (1.3m)16s
Afternoon (23 Apr)4.5ft (1.4m)16s
Evening (23 Apr)4.5ft (1.4m)15s

Table - waves today at Asu. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Fri night. Warm (max 29°C on Fri afternoon, min 27°C on Thu night). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
Sun
26
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
Rating
(10 max)
4
3
4
4
4
3
4
4
4
4
4
4
2
3
3
3
3
3
3
2
2
3
3
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1
S
17
1
S
16
1.4
SSW
16
1.4
SSW
16
1.4
SSW
16
1.4
SSW
15
1.4
SSW
15
1.5
S
15
1.6
S
15
1.6
S
15
1.5
S
14
1.5
S
14
1.5
S
14
1.5
S
13
1.4
S
13
1.4
S
13
1.3
S
13
1.2
S
13
1.2
S
13
1.1
S
12
0.8
SSW
19
0.9
SSW
18
1
SSW
18
1.1
SSW
17
Wave Graph
Metric surfscale
Energy kJ
582
522
1029
1016
978
880
892
1046
1117
1087
944
905
843
806
694
683
582
483
468
371
424
459
662
772
Wind (km/h)
5
WSW
10
NE
10
ENE
5
W
5
NW
0
NNE
5
NNE
5
NE
5
NE
5
E
5
E
5
W
10
WSW
10
SSW
5
SSE
5
ESE
5
E
5
E
10
ENE
10
N
10
NNW
5
N
10
N
10
NNE
glassy
cross-off
cross-off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
cross
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-on
on
glassy
cross-on
cross
High Tide
10:10AM0.70m
10:42PM0.34m
11:25AM0.63m
00:42AM0.35m
12:58PM0.60m
Low Tide
2:46AM0.10m
5:23PM0.18m
3:39AM0.18m
7:15PM0.20m
5:20AM0.26m
8:37PM0.18m
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:32
6:32
6:32
8
4
1
2
2
1
Temp °C
28
27
28
28
28
28
28
28
27
27
27
28
29
29
29
28
28
27
28
27
27
28
28
27
32
30
32
32
32
33
32
33
31
31
31
32
32
32
33
32
32
31
32
30
30
32
32
30
Swell 1
Height (m)
Direction
Period (s)
1
S
17
1
S
16
1.4
SSW
16
1.4
SSW
16
1.4
SSW
16
1.4
SSW
15
1.4
SSW
15
1.5
S
15
1.6
S
15
1.6
S
15
1.5
S
14
1.5
S
14
1.5
S
14
1.5
S
13
1.4
S
13
1.4
S
13
1.3
S
13
1.2
S
13
1.2
S
13
1.1
S
12
1.1
S
12
1.1
S
12
1
S
12
1.1
SSW
17
Energy kJ
582
522
1029
1016
978
880
892
1046
1117
1087
944
905
843
806
694
683
582
483
468
371
350
344
285
772
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
12
0.8
SSW
12
0.4
SW
18
0.4
SW
18
0.4
SW
17
0.4
SW
16
0.6
S
9
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.5
SW
16
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.6
SW
15
0.6
SW
14
0.5
SW
14
0.6
SW
14
0.5
SSW
20
0.8
SSW
19
0.9
SSW
18
1
SSW
18
1
S
12
Energy kJ
240
189
79
79
77
93
52
206
161
157
121
116
107
104
104
134
132
103
130
216
424
459
662
280
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
18
0.5
SW
18
0.1
W
18
0.4
SW
17
0.1
W
12
0.6
SW
16
0.1
W
12
0.1
W
12
0.2
SSW
18
0.1
SW
18
0.1
SW
18
0.2
SSW
21
0.3
SSW
21
0.4
SSW
20
0.6
SW
14
0.5
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
Energy kJ
192
150
6
106
3
163
3
3
30
12
12
45
89
157
130
91
63
62
61
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
3
4
4
4
3
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
Distance (km)
64
64
0
15
15
0
0
0
0
0
0
0
0
0
51
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Nias
Rating
(10 max)
3
3
4
4
4
4
4
3
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
4
4
4
4
Header Global
Rating
(10 max)
9
9
8
9
6
6
5
5
5
5
4
5
5
5
6
5
5
5
5
4
4
5
5
4
  • 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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