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4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Wednesday 03 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
29.4° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 4AM is: 1.4m 14s primary swell from a Southwest direction and 0.6m 8s secondary swell from a South direction (forecast issued at 12:00am December 03). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Dec) | 4.5ft (1.4m) | 14s |
| Afternoon (03 Dec) | 4.5ft (1.4m) | 14s |
| Evening (03 Dec) | 4ft (1.2m) | 14s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 03 | Thursday 04 | Friday 05 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 902 | 834 | 846 | 752 | 752 | 752 | 667 | 606 | 589 | 581 | 556 | 465 | 458 | 406 | 342 | 336 | 326 | 321 | 321 | 238 | 238 | 238 | 238 | 238 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | cross- off | glass | glass | glass | cross | cross | cross | cross- off | cross- off | off | glass | glass | cross- on | cross- on | glass | glass | glass | glass | glass | cross- on | cross- on |
High Tide / height (m) | 4:22AM 0.81 | 4:50PM 1.28 | 5:16AM 0.81 | 5:37PM 1.36 | 6:06AM 0.80 | 6:24PM 1.41 | ||||||||||||||||||
Low Tide / height (m) | 10:27PM 0.18 | 9:56AM 0.10 | 11:22PM 0.07 | 10:45AM 0.05 | 12:12AM -0.00 | 11:32AM 0.01 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:19 | - |
 | |  |  | |  | | | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 |
| Feels °C (?) | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 32 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 32 | 30 | 30 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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