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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Friday 03 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
30.1° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 7PM is: 0.6m 15s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a South direction, 0.6m 12s secondary swell from a South direction (forecast issued at 12:00pm April 03). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Apr) | 2ft (0.6m) | 12s |
| Afternoon (03 Apr) | 2ft (0.6m) | 12s |
| Evening (03 Apr) | 2ft (0.6m) | 15s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 03 | Saturday 04 | Sunday 05 | Monday 06 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 15 | 15 | 15 | 15 | 15 | 14 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 8 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 101 | 99 | 105 | 146 | 142 | 144 | 217 | 272 | 268 | 181 | 183 | 225 | 225 | 225 | 277 | 273 | 253 | 245 | 245 | 257 | 277 | 290 | 555 | 319 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- off | cross- off | cross- off | glass | off | glass | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 7:08AM 1.21 | 7:23PM 0.98 | 7:38AM 1.22 | 7:53PM 0.92 | 8:07AM 1.19 | 8:20PM 0.84 | ||||||||||||||||||
Low Tide / height (m) | 1:13PM 0.07 | 1:01AM 0.05 | 1:45PM 0.06 | 1:27AM 0.06 | 2:16PM 0.08 | 1:55AM 0.08 | ||||||||||||||||||
Friday 03 | Saturday 04 | Sunday 05 | Monday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 |
| Sunset | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - |
 | | |  | |  | |  |  | | | | | | | | | | | | | | |  | |
Rain (mm) | 1 | 1 | 2 | 3 | 5 | 2 | 1 | - | - | - | - | 1 | 4 | 4 | 1 | 2 | - | 2 | 2 | 2 | 4 | 3 | 5 | 10 |
| Temp. °C | 28 | 28 | 29 | 28 | 28 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 25 |
| Feels °C (?) | 31 | 31 | 32 | 31 | 31 | 28 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 31 | 31 | 30 | 28 | 26 | 25 | 24 | 24 |
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