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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Tuesday 05 May 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
30.4° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 10AM is: 0.9m 18s primary swell from a Southwest direction and 0.9m 11s secondary swell from a South direction (forecast issued at 06:00am May 05). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3ft (0.9m) | 18s |
| Afternoon (05 May) | 3.5ft (1.0m) | 17s |
| Evening (05 May) | 3.5ft (1.1m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Tue night. Warm (max 29°C on Tue afternoon, min 27°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 20 | SW 20 | SW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SW 16 | |
303 | 379 | 516 | 679 | 549 | 504 | 651 | 728 | 710 | 657 | 550 | 606 | 598 | 598 | 520 | 486 | 727 | 915 | 799 | 905 | 975 | 875 | 757 | 757 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:10AM1.13m | 8:30PM0.70m | 8:41AM1.08m | 9:00PM0.65m | 9:13AM1.02m | 9:35PM0.61m | ||||||||||||||||||
Low Tide | 1:24AM0.11m | 2:32PM0.12m | 1:57AM0.14m | 3:09PM0.17m | 2:31AM0.19m | 3:51PM0.22m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | |  | |  | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | 6:20 |
— | — | — | — | 1 | 2 | 4 | 3 | 3 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 3 | |
Temp °C | 26 | 26 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 27 |
29 | 29 | 31 | 32 | 33 | 31 | 32 | 31 | 30 | 33 | 33 | 32 | 33 | 33 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | S 10 | SW 18 | SW 18 | S 10 | S 10 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SW 16 |
 kJ | 303 | 136 | 516 | 679 | 196 | 192 | 651 | 728 | 710 | 657 | 550 | 606 | 598 | 598 | 520 | 377 | 727 | 915 | 799 | 905 | 975 | 875 | 757 | 757 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | S 11 | S 10 | SW 17 | SW 16 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SW 14 | SW 13 | SW 13 | S 10 | SSE 10 | S 10 | S 10 | S 9 |
| kJ | 266 | 379 | 181 | 202 | 549 | 504 | 192 | 192 | 204 | 167 | 167 | 212 | 208 | 171 | 135 | 171 | 350 | 345 | 345 | 125 | 128 | 120 | 115 | 85 |
Swell 3 Height (m) Direction Period (s) | S 15 | SW 12 | SW 12 | SSW 12 | SSW 12 | SW 12 | SW 11 | SW 11 | SW 22 | SSW 21 | SSW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 18 | S 10 | S 10 | S 10 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 |
| kJ | 38 | 142 | 149 | 96 | 91 | 66 | 64 | 45 | 227 | 180 | 178 | 392 | 552 | 552 | 388 | 486 | 133 | 130 | 127 | 205 | 205 | 170 | 163 | 92 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 3 | W 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 10 | 10 | 10 | 10 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 80 | 123 | 80 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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