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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Friday 22 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
30.3° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 10PM is: 1.4m 15s primary swell from a Southwest direction and 0.6m 9s secondary swell from a South direction (forecast issued at 06:00pm May 22). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | - | - |
| Afternoon (22 May) | 4.5ft (1.3m) | 15s |
| Evening (22 May) | 4.5ft (1.4m) | 15s |
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 Sat afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 | SW 15 | SSW 15 | SSW 16 | |
773 | 784 | 795 | 838 | 795 | 604 | 548 | 621 | 663 | 653 | 556 | 532 | 472 | 465 | 394 | 394 | 394 | 331 | 311 | 184 | 184 | 176 | 150 | 173 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | |
High Tide | 11:21PM0.73m | 11:27AM1.02m | 00:38AM0.77m | 12:37PM0.92m | 1:50AM0.84m | |||||||||||||||||||
Low Tide | 4:57PM0.17m | 4:26AM0.30m | 5:56PM0.23m | 5:43AM0.39m | 6:57PM0.26m | 7:20AM0.43m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | 6:20 |
— | — | — | 2 | 2 | 1 | 1 | 1 | 3 | 2 | — | 2 | 2 | — | — | 1 | 1 | 1 | 1 | — | 1 | 2 | 1 | — | |
Temp °C | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 |
33 | 32 | 32 | 30 | 31 | 31 | 31 | 33 | 33 | 32 | 32 | 30 | 28 | 29 | 32 | 30 | 30 | 30 | 30 | 28 | 29 | 29 | 30 | 32 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 |
 kJ | 773 | 784 | 795 | 838 | 795 | 604 | 548 | 621 | 663 | 653 | 556 | 532 | 472 | 465 | 394 | 394 | 394 | 331 | 311 | 184 | 184 | 144 | 144 | 147 |
Swell 2 Height (m) Direction Period (s) | S 9 | W 7 | S 9 | S 8 | WNW 7 | S 8 | S 8 | WNW 8 | WNW 8 | WNW 8 | S 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 |
| kJ | 76 | 22 | 55 | 33 | 30 | 35 | 34 | 35 | 35 | 35 | 12 | 48 | 37 | 44 | 51 | 56 | 49 | 35 | 36 | 42 | 68 | 65 | 64 | 82 |
Swell 3 Height (m) Direction Period (s) | W 6 | S 8 | W 7 | WNW 7 | SSW 8 | WNW 7 | WNW 7 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | SE 8 | SSE 8 | SSE 11 | S 7 | S 8 | S 9 | S 8 | SW 14 | SSE 9 | SW 15 | SSW 15 | SSW 16 |
| kJ | 26 | 33 | 24 | 29 | 22 | 30 | 31 | 34 | 21 | 21 | 12 | 12 | 3 | 6 | 12 | 10 | 18 | 24 | 22 | 102 | 25 | 176 | 150 | 173 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 7 | — | — | NW 8 | — | WNW 8 | NNW 4 | NNW 4 | — | NNW 3 | N 4 | NNE 4 | NNE 4 | N 4 | N 4 | NNW 4 | NNW 4 | NNW 3 | NNW 3 |
| kJ | — | — | — | — | — | 26 | — | — | 28 | — | 48 | 2 | 2 | — | 2 | 12 | 7 | 6 | 5 | 2 | 4 | 4 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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