Aan surfForecast / Lombok – South / Indonesia

information circle16 Day Weather and Surf, issued 1 pm Monday 18 May 2026 WITA
Forecast update in hr  min  s Forecast update imminent
Aan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aan sea temperature is
29.0° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Aan this week:

The surf forecast for Aan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 19) at 5AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 0.9m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Aan in the next 16 days are 1.9m 14s and forecast to arrive on Monday (May 18) at 5PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 19th May)5ft (1.5m) 13s
Best Surf 5AM (Tue 19th May)5ft (1.5m) 13s
Most Powerful 5PM (Mon 18th May)6ft (1.9m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Tue night. Warm (max 29°C on Thu morning, min 26°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Fri night. Warm (max 28°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
2
2
2
3
2
2
3
2
1
3
1
0
0
0
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
14
1.5
SSW
13
1.6
SSW
13
1.5
SSW
12
1.4
SSW
12
1.3
SSW
12
1.1
SW
16
1.3
SW
16
1.3
SW
15
1.4
SW
15
1.6
SW
15
1.6
SW
16
1.6
SW
15
1.6
SW
14
1.6
SW
15
1.4
SW
14
1.4
SW
14
1.2
SW
13
1.1
SW
13
1
SW
13
0.9
SW
13
Wave Graph
Metric surfscale
Energy kJ
1454
793
878
699
579
469
675
823
753
859
1062
1164
1062
1006
1034
810
691
517
437
336
234
Wind (km/h)
15
SSE
5
SSE
10
S
10
S
5
NNW
5
ESE
10
ESE
10
NE
10
E
10
SSE
5
ESE
15
SE
20
SSE
15
SE
20
SE
15
SSE
15
ESE
20
SE
25
SE
20
ESE
25
ESE
on
on
on
on
cross-off
cross-on
cross
cross-off
cross
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:22PM2.24m
11:08AM3.05m
00:04AM2.19m
11:51AM2.95m
00:49AM2.12m
12:37PM2.76m
1:38AM2.04m
1:26PM2.51m
2:36AM1.98m
2:23PM2.22m
3:46AM1.96m
3:38PM1.96m
5:06AM2.01m
Low Tide
5:11PM-0.15m
4:51AM0.57m
5:53PM-0.10m
5:34AM0.60m
6:37PM0.03m
6:19AM0.70m
7:24PM0.23m
7:10AM0.84m
8:13PM0.45m
8:12AM1.00m
9:09PM0.66m
9:36AM1.12m
10:15PM0.84m
11:23AM1.12m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:20
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:00
6:00
6:00
6:00
6:00
6:00
6:00
2
5
1
1
5
2
1
4
Temp °C
27
27
28
28
27
27
28
27
29
28
27
28
28
27
28
28
27
28
28
27
28
29
30
32
31
31
31
31
30
32
31
31
31
30
29
30
30
29
29
29
28
28
Swell 1
Height (m)
Direction
Period (s)
1.9
SSW
14
1.5
SSW
13
1.6
SSW
13
1.5
SSW
12
1.4
SSW
12
1.3
SSW
12
1.2
SSW
12
1.3
SW
16
1.3
SW
15
1.4
SW
15
1.6
SW
15
1.6
SW
16
1.6
SW
15
1.6
SW
14
1.6
SW
15
1.4
SW
14
1.4
SW
14
1.2
SW
13
1.1
SW
13
1
SW
13
0.9
SW
13
Energy kJ
1454
793
878
699
579
469
392
823
753
859
1062
1164
1062
1006
1034
810
691
517
437
336
234
Swell 2
Height (m)
Direction
Period (s)
0.3
SW
21
0.9
SSW
8
0.5
SW
19
0.5
SW
18
0.8
SW
18
0.8
SW
16
1.1
SW
16
1
SSW
11
0.9
SSW
12
0.8
SSW
12
0.5
SE
7
0.6
ESE
7
0.1
S
8
0.2
SSE
7
0.2
SSE
7
0.1
W
15
0.2
ESE
6
0.1
S
7
0.2
SSW
7
0.1
S
20
0.4
S
8
Energy kJ
72
116
184
161
442
380
675
239
215
153
23
36
1
5
4
4
4
1
5
7
18
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
21
0.1
W
9
0.1
W
9
0.1
W
8
0.4
SSE
8
0.6
SE
7
0.6
ESE
7
0.6
SE
8
0.6
SE
7
0.1
W
16
0.1
W
16
0.1
W
15
0.1
SE
6
0.1
W
16
0.1
W
16
0.1
W
14
0.3
SSW
15
Energy kJ
67
2
2
1
22
38
34
49
42
5
5
4
1
5
5
4
42
Wind waves
Height (m)
Direction
Period (s)
0.7
SE
7
0.6
SE
7
0.5
SE
7
0.5
SE
7
0.6
SE
7
0.5
SE
4
0.8
SE
5
1.1
SE
6
1.2
SE
6
1.5
SE
6
Energy kJ
47
39
23
23
27
7
30
76
102
183
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
2
3
3
3
3
3
3
3
3
3
2
3
3
3
3
2
2
2
Distance (km)
16
16
10
48
16
0
2
11
0
2
10
0
16
48
16
16
16
16
48
48
17
Best forecast wave conditions in South Coast of Lombok
Rating
(10 max)
4
4
3
3
4
3
4
4
3
4
4
4
4
3
3
3
2
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
3
4
4
3
4
4
3
4
4
4
3
4
3
3
4
4
2
3
Header Global
Rating
(10 max)
4
5
4
4
4
4
4
5
5
5
5
4
4
5
6
5
7
5
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)
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Information about the Aan Surf forecast

The above surf forecast table for Aan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aan can be found by selecting the local surf guide option on the grey menu. Our Aan 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 (Aan) 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 Aan 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.

Aan is 23 km (14 miles) from the city of Praya. If you plan a holiday in South Coast of Lombok, look for hotels and other accommodation in Praya. Praya has rooms for a wide range of budgets as well as car hire and transport links.

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