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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Saturday 28 Mar 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
29.9° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 6PM is: 0.9m 14s primary swell from a South-southwest direction and 0.8m 9s secondary swell from a South direction (forecast issued at 12:00pm March 28). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | 3ft (0.9m) | 13s |
| Afternoon (28 Mar) | 2.5ft (0.7m) | 13s |
| Evening (28 Mar) | 2ft (0.6m) | 14s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 303 | 178 | 155 | 289 | 134 | 249 | 246 | 242 | 235 | 220 | 169 | 167 | 164 | 164 | 161 | 161 | 173 | 164 | 156 | 175 | 208 | 208 | 261 | 251 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | on | glass | glass | glass | glass | off | cross- off | cross | cross- off | cross- off | glass | cross- off | cross- off | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 3:00PM 0.97 | 4:01AM 0.71 | 4:07PM 1.01 | 4:51AM 0.85 | 4:58PM 1.05 | 5:31AM 0.98 | ||||||||||||||||||
Low Tide / height (m) | 7:23AM 0.38 | 10:10PM 0.27 | 9:24AM 0.36 | 10:51PM 0.21 | 10:37AM 0.28 | 11:22PM 0.16 | ||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 |
| Sunset | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - |
 |  | |  | |  | | |  |  | | |  | | | | | | | | | | | | |
Rain (mm) | 1 | - | 1 | - | - | 2 | 3 | 1 | - | - | 1 | - | - | 2 | 3 | 2 | - | - | - | - | 2 | 1 | - | - |
| Temp. °C | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 |
| Feels °C (?) | 33 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 32 | 32 | 31 | 32 | 31 | 30 | 29 | 31 | 31 | 31 | 32 | 33 | 31 | 31 | 31 | 31 |
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