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Sumba Surf Forecast

Basic // Advanced
◀
6am Sat 20 Sep
3ft SW 2kt ESE
(Head High)
1.2m @ 12.8s SW (218°)
0.3m @ 19.5s SW (221°)
0.4m @ 3.9s ESE (119°)
12pm Sat 20 Sep
3ft SW 7kt SSW
(Head High)
1.2m @ 13.4s SW (217°)
0.4m @ 18s SW (219°)
0.3m @ 4s ESE (116°)
6pm Sat 20 Sep
3ft SW 4kt E
(Head High)
1.1m @ 13.2s SW (217°)
0.7m @ 17.5s SW (218°)
0.3m @ 4s ESE (116°)
6am Sun 21 Sep
5ft SW 0kt NNE
(1.5x Overhead)
1.6m @ 16s SW (217°)
0.2m @ 3.9s ESE (118°)
12pm Sun 21 Sep
4-6ft SW 7kt SSW
(1.5x Overhead)
1.7m @ 15.7s SW (216°)
6pm Sun 21 Sep
4-6ft SW 4kt SSE
(1.5x Overhead)
1.7m @ 15.4s SW (216°)
6am Mon 22 Sep
5ft SW 2kt WNW
(1.5x Overhead)
1.7m @ 14.6s SW (217°)
12pm Mon 22 Sep
5ft SW 7kt SW
(1.5x Overhead)
1.7m @ 14.5s SW (217°)
6pm Mon 22 Sep
4-5ft SW 2kt SE
(Well Overhead)
1.6m @ 14.3s SW (217°)

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Sat 6am
Sat 12pm
Sat 6pm
Sun 6am
Sun 12pm
Sun 6pm
Mon 6am
Mon 12pm
Mon 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
ESE 2kt
A
SSW 7kt
A
E 4kt
A
NNE 0kt
A
SSW 7kt
A
SSE 4kt
A
WNW 2kt
A
SW 7kt
A
SE 2kt
Tide Times & Weather
Mostly sunny 23°C // 29°C
Mostly sunny 23°C // 30°C
Mostly sunny 23°C // 30°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Sat 20/09
12am
3ft
E 4kt
1.3 m
12.1s 218 (SW)
0.2 m
19.6s 220 (SW)
0.4 m
4s 119 (ESE)
6am
3ft
ESE 2kt
1.2 m
12.8s 218 (SW)
0.3 m
19.5s 221 (SW)
0.4 m
3.9s 119 (ESE)
12pm
3ft
SSW 7kt
1.2 m
13.4s 217 (SW)
0.4 m
18s 219 (SW)
0.3 m
4s 116 (ESE)
6pm
3ft
E 4kt
1.1 m
13.2s 217 (SW)
0.7 m
17.5s 218 (SW)
0.3 m
4s 116 (ESE)
+
Sat 20/09
3ft
SSW 7kt
1.2 m
13.4s 217 (SW)
0.4 m
18s 219 (SW)
0.3 m
4s 116 (ESE)
-
Sun 21/09
12am
3-4ft
ENE 3kt
1.3 m
14.5s 216 (SW)
0.7 m
17.7s 220 (SW)
0.2 m
3.9s 117 (ESE)
6am
5ft
NNE 0kt
1.6 m
16s 217 (SW)
0.2 m
3.9s 118 (ESE)
12pm
4-6ft
SSW 7kt
1.7 m
15.7s 216 (SW)
6pm
4-6ft
SSE 4kt
1.7 m
15.4s 216 (SW)
+
Sun 21/09
4-6ft
SSW 7kt
1.7 m
15.7s 216 (SW)
-
Mon 22/09
12am
5ft
ENE 3kt
1.7 m
14.9s 217 (SW)
6am
5ft
WNW 2kt
1.7 m
14.6s 217 (SW)
12pm
5ft
SW 7kt
1.7 m
14.5s 217 (SW)
6pm
4-5ft
SE 2kt
1.6 m
14.3s 217 (SW)
+
Mon 22/09
5ft
SW 7kt
1.7 m
14.5s 217 (SW)
  • bulletin_datetime_utc => 2025-09-19 18:00:00
  • location_identifier => 188
  • timezone => Asia/Jakarta