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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Wednesday 06 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 4AM is: 1.2m 16s primary swell from a Southwest direction and 0.9m 10s secondary swell from a South direction (forecast issued at 12:00am May 06). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 3.5ft (1.1m) | 15s |
| Afternoon (06 May) | 4ft (1.2m) | 15s |
| Evening (06 May) | 3.5ft (1.1m) | 14s |
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 24mm), heaviest during Tue night. Warm (max 28°C on Tue night, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||||||||||||
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 | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
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 | SW 16 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 15 | SW 14 | |
728 | 710 | 657 | 550 | 606 | 598 | 598 | 520 | 486 | 808 | 915 | 799 | 905 | 975 | 875 | 757 | 757 | 929 | 917 | 822 | 860 | 640 | 623 | 536 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | glassy | cross-on | cross-on | cross | |
High Tide | 8:41AM1.08m | 9:00PM0.65m | 9:13AM1.02m | 9:35PM0.61m | 9:49AM0.96m | |||||||||||||||||||
Low Tide | 1:57AM0.14m | 3:09PM0.17m | 2:31AM0.19m | 3:51PM0.22m | 3:10AM0.26m | 4:39PM0.27m | ||||||||||||||||||
 | |  | |  |  |  |  | | | |  | | | | | |  | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
2 | 1 | 3 | 1 | — | — | — | — | 1 | 3 | 2 | — | — | — | 1 | 2 | 1 | 3 | — | — | 1 | — | — | 2 | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
31 | 32 | 32 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 32 | 30 | 31 | 31 | 32 | 33 | 32 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 16 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 15 | SW 14 |
 kJ | 728 | 710 | 657 | 550 | 606 | 598 | 598 | 520 | 377 | 808 | 915 | 799 | 905 | 975 | 875 | 757 | 757 | 929 | 917 | 822 | 860 | 640 | 623 | 536 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SW 18 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | W 8 |
| kJ | 194 | 167 | 167 | 164 | 212 | 208 | 171 | 135 | 486 | 299 | 345 | 345 | 242 | 205 | 199 | 163 | 88 | 85 | 86 | 84 | 90 | 88 | 61 | 61 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 22 | SSW 21 | SSW 21 | SW 20 | SW 20 | SW 20 | SW 20 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SW 12 | SW 12 | SW 12 | W 8 | W 8 | W 8 | W 8 | SSE 9 |
| kJ | 45 | 227 | 180 | 178 | 392 | 552 | 552 | 388 | 135 | 133 | 130 | 127 | 102 | 102 | 100 | 96 | 92 | 50 | 50 | 29 | 29 | 42 | 44 | 61 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 82 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 155 | 7 | 7 | 7 | 7 | 2 | 0 | 7 | 82 | 82 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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