4 Bobs Surf Break

Lat Long: 1.91° S 99.31° E

4 Bobs Surf Forecast and Surf Report

Issued: 6 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's 4 Bobs sea temperature is
29.8°C
0.9° 

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 29 Aug 2026:

  • Most powerful swell: Tuesday 1 Sep, 4AM (local time) - 8ft (2.4m), 17s period, SW swell with 3,269 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 2.4m 17s and forecast to arrive on Tuesday (Sep 01) at 4AM. 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 4AM (Tue 1st Sep)8ft (2.4m) 17s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 29°C on Tue morning, min 27°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 22mm), heaviest during Thu night. Warm (max 29°C on Tue afternoon, min 27°C on Tue night). Wind will be generally light.

Sat
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
3
2
1
1
2
1
2
2
2
2
3
2
2
2
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
14
1.3
SSW
13
0.9
SSW
21
1.2
SW
19
1.5
SSW
18
1.8
SW
18
2.1
SW
18
2.3
SW
18
2.4
SW
17
2.3
SW
16
2.1
SW
16
1.9
SW
16
1.8
SW
16
1.6
SW
16
1.5
SW
15
1.5
SW
14
1.4
SW
14
1.3
SSW
13
1.2
SSW
13
1.1
SSW
13
Wave Graph
Metric surfscale
Energy kJ
617
545
741
1077
1497
1974
2813
3123
3119
2776
2357
1852
1571
1300
940
915
822
581
458
414
Wind (km/h)
20
SSE
20
SE
15
SE
10
SSE
15
SE
15
SE
15
SSE
15
SSE
15
SE
15
SSE
10
SSE
15
SSE
15
S
5
SE
5
ESE
10
SSE
10
SSE
15
SE
15
SSE
15
SE
Wind State
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
7:24PM1.04m
7:27AM1.14m
7:52PM1.10m
7:55AM1.09m
8:22PM1.14m
8:25AM1.02m
8:55PM1.15m
8:56AM0.92m
9:32PM1.14m
9:30AM0.81m
10:18PM1.09m
10:12AM0.69m
11:20PM1.03m
Low Tide
1:08AM0.09m
1:32PM0.01m
1:46AM0.08m
2:00PM0.00m
2:25AM0.09m
2:30PM0.01m
3:07AM0.12m
3:02PM0.04m
3:53AM0.18m
3:37PM0.09m
4:47AM0.25m
4:19PM0.15m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
thunderstorm
part cloud
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:24
6:24
6:24
6:23
6:23
6:23
 mm
2
4
2
1
3
5
5
3
2
10
2
3
18
Temp °C
28
28
28
28
28
28
28
28
29
29
28
28
28
28
28
28
27
28
28
27
Feels °C
29
30
31
31
31
30
30
30
31
32
30
31
30
31
32
31
30
31
30
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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Quick surf report for 4 Bobs:

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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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