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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Friday 27 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
29.8° C
(Which is normal for this time of year)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 11PM is: 1.1m 11s primary swell from a South direction and 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 06:00pm March 27). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | - | - |
| Afternoon (27 Mar) | 3.5ft (1.1m) | 12s |
| Evening (27 Mar) | 3.5ft (1.1m) | 12s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 10 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 353 | 347 | 341 | 265 | 408 | 303 | 303 | 178 | 155 | 289 | 134 | 249 | 246 | 242 | 235 | 220 | 169 | 167 | 164 | 164 | 161 | 161 | 173 | 164 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 1:29PM 0.95 | 2:46AM 0.60 | 3:00PM 0.97 | 4:01AM 0.71 | 4:07PM 1.01 | 4:51AM 0.85 | ||||||||||||||||||
Low Tide / height (m) | 8:47PM 0.33 | 7:23AM 0.38 | 10:10PM 0.27 | 9:24AM 0.36 | 10:51PM 0.21 | 10:37AM 0.28 | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - |
| Sunset | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - |
 |  | |  | |  | | | |  | | | |  | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | 3 | 3 | 4 | 2 | - | - | - | 2 | 1 | 2 | - | - | - |
| Temp. °C | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 |
| Feels °C (?) | 33 | 32 | 31 | 30 | 31 | 31 | 33 | 33 | 32 | 31 | 31 | 30 | 31 | 30 | 28 | 27 | 30 | 29 | 28 | 28 | 29 | 30 | 30 | 31 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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