Asu surfForecast / Nias / Indonesia

information circle48hr Weather and Surf, issued 12 am Saturday 23 May 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
30.1° C
(Which is normal for this time of year)

How big are the waves at Asu today?

The current surf forecast for Asu at 5AM is: 1.3m 15s primary swell from a Southwest direction and 0.8m 8s secondary swell from a West-northwest direction (forecast issued at 12:00am May 23). The wind direction is predicted to be cross-onshore.

Time (WIB) & DateWave HeightWave Period
Morning (23 May)4.5ft (1.3m)14s
Afternoon (23 May)4ft (1.2m)14s
Evening (23 May)4ft (1.2m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun morning. Warm (max 29°C on Fri night, min 27°C on Sun night). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
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
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
1
SW
13
1
SW
12
0.8
SSW
12
1.1
W
9
1.1
W
9
1.2
W
9
0.7
SW
16
0.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
714
753
763
630
548
548
564
581
573
485
418
406
400
394
394
394
336
301
187
184
186
215
251
371
Wind (km/h)
15
NW
15
NNW
20
NNW
15
NNW
20
NW
25
NW
20
NW
20
NW
25
NW
20
NW
25
NW
15
NW
15
NW
15
NW
15
NW
15
NW
15
NNW
20
NNW
20
N
15
NE
15
NNW
15
NNW
15
NNW
15
NNW
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
on
cross-on
cross-on
High Tide
10:53PM0.41m
11:05AM0.65m
00:20AM0.44m
12:15PM0.59m
1:42AM0.50m
1:27PM0.54m
Low Tide
3:57AM0.21m
6:17PM0.17m
5:34AM0.28m
7:20PM0.18m
7:34AM0.30m
8:11PM0.17m
thunderstorm
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:31
6:31
1
2
3
1
1
3
1
Temp °C
29
28
28
28
28
29
29
29
29
29
28
28
28
28
28
27
27
27
27
27
28
27
27
27
32
30
30
30
29
30
31
31
30
30
29
31
30
30
29
28
29
28
28
29
30
28
28
29
Swell 1
Height (m)
Direction
Period (s)
1.3
SW
15
1.3
SW
15
1.3
SW
15
1.3
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.2
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
1
WNW
8
1
W
8
1
W
8
1
W
8
1.1
W
9
1.1
W
9
1.2
W
9
1.1
W
8
1.1
W
8
Energy kJ
714
753
763
630
548
548
564
581
573
485
418
406
400
394
394
154
147
147
147
181
186
215
177
177
Swell 2
Height (m)
Direction
Period (s)
0.8
WNW
8
0.8
WNW
8
0.8
WNW
8
0.8
WNW
8
0.8
WNW
8
0.7
WNW
8
0.7
WNW
8
0.9
WNW
8
0.9
WNW
8
0.9
WNW
8
0.9
WNW
8
0.9
WNW
8
0.9
WNW
9
0.9
WNW
9
1
WNW
9
1.1
SW
13
1
SW
13
1
SW
12
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.7
SW
16
0.9
SW
16
Energy kJ
83
83
83
87
90
70
70
94
94
94
96
101
131
134
158
394
336
301
187
184
180
180
251
371
Swell 3
Height (m)
Direction
Period (s)
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
8
0.4
S
8
0.4
S
8
0.4
S
8
0.4
S
8
0.4
S
8
0.3
S
8
0.1
S
12
0.1
S
12
0.1
W
14
0.2
S
8
0.2
SSW
18
0.3
SW
18
0.3
SW
18
0.4
SW
15
0.6
SW
15
0.6
SW
15
0.6
SW
16
0.7
SW
12
0.7
SW
12
Energy kJ
40
39
38
36
23
23
22
22
22
22
12
3
3
4
5
31
49
49
54
139
183
198
144
149
Wind waves
Height (m)
Direction
Period (s)
0.6
WNW
3
0.5
WNW
4
Energy kJ
7
7
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
3
3
2
2
3
3
2
3
3
Distance (km)
15
15
15
15
64
64
64
64
64
64
64
64
64
64
64
15
15
15
15
15
15
64
15
15
Best forecast wave conditions in Nias
Rating
(10 max)
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
3
3
2
2
3
3
2
3
3
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
3
4
3
3
3
3
3
3
3
3
2
2
2
2
3
3
2
2
3
3
3
3
3
Header Global
Rating
(10 max)
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
5
  • 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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