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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Tuesday 09 Dec 2025 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
29.6° C
(Which is 1.0°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 8 | 9 | 10 | 9 | 9 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 543 | 536 | 466 | 529 | 514 | 440 | 523 | 523 | 450 | 407 | 373 | 304 | 299 | 299 | 299 | 304 | 826 | 1422 | 1391 | 1004 | 586 | 352 | 286 | 277 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | glass | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off |
High Tide / height (m) | 9:25AM 0.78 | 9:35PM 1.18 | 10:23AM 0.78 | 10:26PM 1.06 | 11:27AM 0.79 | 11:21PM 0.94 | ||||||||||||||||||
Low Tide / height (m) | 3:18AM 0.06 | 2:43PM 0.15 | 4:03AM 0.12 | 3:35PM 0.25 | 4:48AM 0.18 | 4:34PM 0.36 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| Sunrise | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - |
 |  | | | | | | | | |  | | |  | | |  | | | | |  | | | |
Rain (mm) | 2 | 3 | 2 | 3 | 4 | 12 | 19 | 12 | 4 | 4 | 7 | 9 | 17 | 10 | 21 | 13 | 2 | 3 | 4 | 4 | 4 | - | - | 1 |
| Temp. °C | 26 | 26 | 26 | 26 | 26 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 27 | 27 |
| Feels °C (?) | 29 | 29 | 29 | 30 | 28 | 26 | 27 | 28 | 27 | 27 | 27 | 26 | 25 | 26 | 24 | 23 | 21 | 25 | 26 | 25 | 23 | 24 | 27 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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