- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Monday 06 Apr 2026 WIBForecast update in hr min s Forecast update imminent
4 Bobs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 4 Bobs sea temperature is
30.0° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 3AM is: 1.7m 5s primary swell from a Southwest direction and 0.4m 9s secondary swell from a South direction, 0.1m 13s secondary swell from a West direction (forecast issued at 12:00am April 06). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Apr) | 4.5ft (1.4m) | 8s |
| Afternoon (06 Apr) | 2.5ft (0.8m) | 13s |
| Evening (06 Apr) | 2.5ft (0.8m) | 12s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 06 | Tuesday 07 | Wednesday 08 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 6 | 14 | 8 | 8 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 273 | 290 | 255 | 307 | 220 | 231 | 202 | 202 | 175 | 172 | 169 | 169 | 131 | 133 | 117 | 111 | 125 | 85 | 164 | 118 | 141 | 139 | 201 | 195 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | off | off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | off | off | glass | glass | glass |
High Tide / height (m) | 8:20PM 0.84 | 8:35AM 1.14 | 8:46PM 0.76 | 9:03AM 1.07 | 9:07PM 0.68 | 9:33AM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 1:55AM 0.08 | 2:49PM 0.12 | 2:23AM 0.11 | 3:25PM 0.18 | 2:54AM 0.17 | 4:05PM 0.25 | ||||||||||||||||||
Monday 06 | Tuesday 07 | Wednesday 08 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:27 | - | - | - | - | - | - | - | 6:27 | - | - | - | - | - | - | - | 6:27 | - |
 | | |  |  |  |  |  |  |  | |  | | | | | | | | | | |  | | |
Rain (mm) | 7 | 8 | 10 | 22 | 7 | 5 | 1 | - | 1 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 28 | 24 | 21 | 24 | 27 | 28 | 27 | 28 | 28 | 27 | 27 | 28 | 29 | 31 | 30 | 30 | 31 | 29 | 30 | 31 | 32 | 32 | 32 | 32 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
Nearest