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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Saturday 02 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
30.6° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 11PM is: 1.2m 13s primary swell from a South-southwest direction and 0.5m 16s secondary swell from a South direction (forecast issued at 06:00pm May 02). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 4ft (1.2m) | 13s |
| Evening (02 May) | 4ft (1.2m) | 13s |
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 21mm), heaviest during Sun night. Warm (max 29°C on Sat afternoon, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 14 | SSW 12 | SSW 13 | SSW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | SW 18 | SW 18 | SW 18 | |
476 | 476 | 469 | 469 | 551 | 355 | 350 | 274 | 207 | 344 | 209 | 209 | 172 | 307 | 292 | 241 | 318 | 184 | 294 | 289 | 289 | 379 | 516 | 679 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross | cross | cross | cross-off | off | off | glassy | cross-off | cross-off | cross-off | cross-off | off | off | glassy | glassy | |
High Tide | 6:58PM0.84m | 7:09AM1.20m | 7:30PM0.80m | 7:39AM1.18m | 8:01PM0.75m | 8:10AM1.13m | ||||||||||||||||||
Low Tide | 00:22AM0.10m | 1:26PM0.08m | 00:52AM0.10m | 1:58PM0.09m | 1:24AM0.11m | |||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | 6:20 |
— | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | |
Temp °C | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 |
33 | 33 | 32 | 32 | 30 | 31 | 32 | 33 | 32 | 31 | 32 | 32 | 30 | 30 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | S 10 | S 10 | SW 18 |
 kJ | 476 | 476 | 469 | 469 | 551 | 355 | 350 | 274 | 180 | 344 | 209 | 209 | 172 | 307 | 292 | 241 | 318 | 184 | 294 | 289 | 289 | 120 | 206 | 679 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | S 16 | S 16 | W 13 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | SSW 12 | S 8 | S 8 | S 8 | S 16 | S 9 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | S 10 |
| kJ | 57 | 87 | 131 | 129 | 3 | 228 | 169 | 218 | 207 | 132 | 132 | 132 | 160 | 46 | 45 | 44 | 44 | 79 | 236 | 231 | 266 | 379 | 516 | 202 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | S 8 | W 12 | S 8 | S 8 | S 8 | S 16 | S 16 | S 16 | SW 20 | SW 20 | S 15 | S 15 | S 15 | SW 12 | SSW 12 | SSW 12 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 31 | 3 | 32 | 45 | 46 | 44 | 45 | 45 | 61 | 134 | 68 | 38 | 38 | 140 | 90 | 96 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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