Premium ad-free surfcams, dawn surf reports, forecaster notes, long range surf forecasts... Get Swellnet PRO for $7.33 per month Premium ad-free surfcams, dawn surf reports, and more... Get Swellnet PRO for $7.33 per month

Check the 16-day forecast with Swellnet Pro for $8.95/month

Sumba Surf Forecast

Basic // Advanced
◀
6am Thu 01 May
2ft SW 5kt NE
(Waist-Shoulder High)
0.7m @ 13.5s SW (216°)
1.5m @ 8.6s SE (128°)
12pm Thu 01 May
2ft SW 3kt SW
(Waist-Shoulder High)
0.7m @ 13.4s SW (218°)
1.3m @ 8.6s SE (127°)
6pm Thu 01 May
1-2ft SW 4kt E
(Waist High)
0.6m @ 13.2s SW (218°)
1.1m @ 8.3s SE (127°)
0.2m @ 17.7s SW (223°)
6am Fri 02 May
1ft+ SW 3kt ENE
(Knee-Waist High)
0.5m @ 12.3s SW (219°)
0.4m @ 16.4s SW (222°)
0.9m @ 7.3s ESE (123°)
12pm Fri 02 May
1-2ft SW 1kt ESE
(Waist High)
0.5m @ 16s SW (222°)
0.5m @ 12.2s SW (220°)
1.0m @ 6.9s ESE (122°)
6pm Fri 02 May
1-2ft SW 4kt E
(Waist High)
0.6m @ 15.7s SW (221°)
0.5m @ 12.1s SW (220°)
1.0m @ 6.7s ESE (121°)
6am Sat 03 May
2-3ft SW 3kt ENE
(Shoulder-Head High)
0.9m @ 15s SW (220°)
0.9m @ 6.3s ESE (118°)
12pm Sat 03 May
2-3ft SW 2kt SSE
(Shoulder-Head High)
0.9m @ 14.7s SW (220°)
0.9m @ 6.2s ESE (119°)
6pm Sat 03 May
2-3ft SW 4kt E
(Shoulder-Head High)
0.9m @ 14.6s SW (220°)
0.9m @ 6.2s ESE (119°)

This is premium content for Swellnet Pro subscribers WHY?

Become a subscriber and receive access to ad-free 16 day surf forecasts and charts, detailed surf forecaster notes, dawn surf reports and premium, ad-free surfcams and replays.

Get Swellnet Pro
Thu 6am
Thu 12pm
Thu 6pm
Fri 6am
Fri 12pm
Fri 6pm
Sat 6am
Sat 12pm
Sat 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
NE 5kt
A
SW 3kt
A
E 4kt
A
ENE 3kt
A
ESE 1kt
A
E 4kt
A
ENE 3kt
A
SSE 2kt
A
E 4kt
Tide Times & Weather
Possible shower 25°C // 29°C
Possible thunderstorm 25°C // 29°C
Thunderstorms 25°C // 29°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Thu 01/05
12am
2ft
NE 5kt
0.8 m
13.8s 214 (SW)
1.6 m
8.4s 131 (SE)
6am
2ft
NE 5kt
0.7 m
13.5s 216 (SW)
1.5 m
8.6s 128 (SE)
12pm
2ft
SW 3kt
0.7 m
13.4s 218 (SW)
1.3 m
8.6s 127 (SE)
6pm
1-2ft
E 4kt
0.6 m
13.2s 218 (SW)
1.1 m
8.3s 127 (SE)
0.2 m
17.7s 223 (SW)
+
Thu 01/05
2ft
SW 3kt
0.7 m
13.4s 218 (SW)
1.3 m
8.6s 127 (SE)
-
Fri 02/05
12am
1-2ft
ENE 4kt
0.6 m
12.7s 219 (SW)
0.9 m
7.8s 126 (SE)
0.3 m
16.7s 222 (SW)
6am
1ft+
ENE 3kt
0.5 m
12.3s 219 (SW)
0.4 m
16.4s 222 (SW)
0.9 m
7.3s 123 (ESE)
12pm
1-2ft
ESE 1kt
0.5 m
16s 222 (SW)
0.5 m
12.2s 220 (SW)
1.0 m
6.9s 122 (ESE)
6pm
1-2ft
E 4kt
0.6 m
15.7s 221 (SW)
0.5 m
12.1s 220 (SW)
1.0 m
6.7s 121 (ESE)
+
Fri 02/05
1-2ft
ESE 1kt
0.5 m
16s 222 (SW)
0.5 m
12.2s 220 (SW)
1.0 m
6.9s 122 (ESE)
-
Sat 03/05
12am
2ft
ENE 4kt
0.8 m
15.6s 221 (SW)
1.0 m
6.6s 119 (ESE)
6am
2-3ft
ENE 3kt
0.9 m
15s 220 (SW)
0.9 m
6.3s 118 (ESE)
12pm
2-3ft
SSE 2kt
0.9 m
14.7s 220 (SW)
0.9 m
6.2s 119 (ESE)
6pm
2-3ft
E 4kt
0.9 m
14.6s 220 (SW)
0.9 m
6.2s 119 (ESE)
+
Sat 03/05
2-3ft
SSE 2kt
0.9 m
14.7s 220 (SW)
0.9 m
6.2s 119 (ESE)
  • bulletin_datetime_utc => 2025-04-30 18:00:00
  • location_identifier => 188
  • timezone => Asia/Jakarta