4 Bobs Surf Break

Lat Long: 1.91° S 99.31° E

4 Bobs Surf Forecast and Surf Report

Issued: 12 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Bobs sea temperature is
29.6°C
0.7° 

4 Bobs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


4 Bobs surf forecast from 3 Sep 2026:

  • Most powerful swell: Wednesday 9 Sep, 1AM (local time) - 5.5ft (1.7m), 16s period, SSW swell with 1,466 kJ wave energy.

Best Forecast Surf Conditions for 4 Bobs this week:

The most powerful waves expected at 4 Bobs in the next 16 days are 1.7m 16s and forecast to arrive on Wednesday (Sep 09) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Wed 9th Sep)5.5ft (1.7m) 16s

Table - best surf conditions forecast for 4 Bobs over the next 16 days.


Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu morning. Warm (max 28°C on Thu morning, min 26°C on Fri night). Winds increasing (light winds from the ESE on Fri morning, fresh winds from the SE by Sat night).

Days 4-6 Weather Summary

Heavy rain (total 30mm), heaviest during Tue night. Warm (max 28°C on Sun morning, min 27°C on Sun afternoon). Winds decreasing (fresh winds from the SSE on Sun afternoon, light winds from the S by Tue afternoon).

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
2
2
2
0
0
0
0
0
0
0
0
0
2
3
1
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SW
14
1.5
SW
14
1.4
SW
14
1.3
SSW
13
1.2
SSW
13
1
SSW
13
1.3
SSW
17
1.1
SSW
17
0.9
SSW
18
1.4
SSW
16
0.8
S
18
1.2
SSW
15
1.3
SSW
14
1.2
SSW
14
1.7
SSE
9
1.2
SSW
18
1
S
18
1.7
SSW
16
1.5
SSW
15
1.4
SSW
15
0.9
SSW
18
Wave Graph
Metric surfscale
Energy kJ
928
915
822
581
458
346
958
665
515
1016
404
627
660
490
427
959
653
1466
1010
857
497
Wind (km/h)
15
SE
15
S
15
SE
10
ESE
10
SSE
10
SE
20
SE
20
SSE
25
SE
25
SE
30
SSE
25
SSE
25
SSE
25
SSE
20
SSE
15
SE
5
S
20
SE
15
SE
15
SSE
15
SE
Wind State
cross-on
on
cross-on
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
High Tide
10:18PM1.09m
10:12AM0.69m
11:20PM1.03m
11:19AM0.58m
00:51AM0.99m
1:44PM0.54m
2:31AM1.01m
3:31PM0.61m
3:47AM1.07m
4:35PM0.73m
4:45AM1.15m
5:22PM0.87m
Low Tide
3:37PM0.09m
4:47AM0.25m
4:19PM0.15m
5:59AM0.33m
5:14PM0.23m
7:47AM0.35m
6:36PM0.30m
9:44AM0.29m
8:24PM0.31m
10:43AM0.21m
9:54PM0.26m
11:23AM0.13m
10:59PM0.18m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:18
6:18
6:18
6:18
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:23
6:23
6:22
6:22
6:22
6:22
 mm
5
1
4
2
2
5
2
1
1
2
3
2
3
6
3
9
10
7
14
Temp °C
28
28
27
28
28
27
27
28
27
28
28
27
27
27
27
27
27
27
27
27
27
Feels °C
30
30
30
32
32
30
29
29
26
28
27
26
27
28
27
29
31
28
29
29
29
  • 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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Information about the 4 Bobs Surf forecast

The above surf forecast table for 4 Bobs provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 4 Bobs can be found by selecting the local surf guide option on the grey menu. Our 4 Bobs 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 (4 Bobs) 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 4 Bobs 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.

Are you planning a holiday in Mentawi Islands? If you are looking for accommodation near 4 Bobs, camping, hotels and holiday cottages in Mentawi Islands, consider staying in Padang which is 157 km (98 miles) away.

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