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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
12 Day Weather and Surf, issued 6 pm Monday 03 Nov 2025 WIB
Best Forecast Surf Conditions for 4 Bobs this week:
The surf forecast for 4 Bobs over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 04) at 10PM. The primary swell is predicted to be 0.9m and 20s period with a secondary swell of 1.3m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at 4 Bobs in the next 12 days are 2.0m 18s and forecast to arrive on Wednesday (Nov 05) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Tuesday (Nov 04) at 1PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 4th Nov) | 3ft (0.9m) 20s |
| Best Surf | 4AM (Wed 5th Nov) | 4ft (1.2m) 18s |
| Most Powerful | 1PM (Wed 5th Nov) | 6.5ft (2.0m) 18s |
Table - best surf conditions forecast for 4 Bobs over the next 12 days.
Short Range Forecast Heavy rain (total 112mm), heaviest during Tue morning. Warm (max 29°C on Mon afternoon, min 24°C on Tue night). Winds decreasing (fresh winds from the WNW on Tue morning, light winds from the NW by Tue night). | Days 3-6 Weather Summary Heavy rain (total 91mm), heaviest during Sat morning. Warm (max 28°C on Thu afternoon, min 25°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||
Mon 03 | Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 13 | 12 | 19 | 18 | 17 | 16 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 16 | 16 | 15 | 15 | 14 | 14 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 1045 | 975 | 692 | 567 | 846 | 1431 | 1885 | 1809 | 911 | 722 | 1337 | 1068 | 996 | 834 | 732 | 1108 | 587 | 640 | 568 | 476 | 284 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | ||
High Tide / height (m) | 4:39PM 1.12 | 4:51AM 0.97 | 5:17PM 1.26 | 5:36AM 0.97 | 5:57PM 1.36 | 6:19AM 0.94 | 6:38PM 1.42 | 7:03AM 0.90 | 7:20PM 1.42 | 7:47AM 0.84 | 8:06PM 1.37 | 8:34AM 0.78 | 8:54PM 1.28 | 9:27AM 0.71 | |||||||||
Low Tide / height (m) | 10:44PM 0.16 | 10:39AM 0.06 | 11:33PM 0.05 | 11:18AM 0.01 | 12:20AM -0.03 | 11:57AM -0.03 | 1:06AM -0.07 | 12:37PM -0.04 | 1:52AM -0.05 | 1:19PM -0.02 | 2:39AM -0.00 | 2:01PM 0.04 | 3:28AM 0.08 | ||||||||||
Mon 03 | Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | |||||||||||||||||
| Sunrise | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | ||
| Sunset | 6:10 | - | - | 6:10 | - | - | 6:10 | - | - | 6:10 | - | - | 6:12 | - | - | 6:12 | - | - | 6:12 | - | - | ||
 |  | |  | | | | | | | | | |  |  |  | | | | | | |||
Rain (mm) | 6 | 31 | 30 | 5 | 19 | 1 | 4 | 14 | 2 | 4 | 13 | 2 | 2 | 12 | 15 | 8 | 26 | 9 | 8 | 22 | 6 | ||
| Temp. °C | 29 | 27 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 26 | 27 | 26 | 27 | 26 | 26 | 26 | 27 | 26 | 25 | ||
| Feels °C (?) | 31 | 28 | 24 | 26 | 27 | 27 | 28 | 28 | 30 | 30 | 29 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | ||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 4 Bobs surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 12 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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