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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Friday 01 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 9AM is: 1.5m 14s primary swell from a South-southwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 12:00am May 01). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 5ft (1.5m) | 14s |
| Afternoon (01 May) | 5ft (1.5m) | 14s |
| Evening (01 May) | 4.5ft (1.4m) | 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 37mm), heaviest during Fri night. Warm (max 28°C on Thu night, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 14 | SSW 14 | SSW 12 | SSW 13 | |
988 | 949 | 956 | 904 | 854 | 841 | 733 | 733 | 733 | 653 | 693 | 545 | 421 | 408 | 476 | 469 | 469 | 551 | 273 | 268 | 218 | 207 | 237 | 209 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | cross | cross | off | off | cross-off | cross | cross-on | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | off | |
High Tide | 6:07AM1.19m | 6:25PM0.87m | 6:38AM1.21m | 6:58PM0.84m | 7:09AM1.20m | 7:30PM0.80m | ||||||||||||||||||
Low Tide | 11:26PM0.14m | 12:24PM0.12m | 11:53PM0.11m | 12:54PM0.09m | 00:22AM0.10m | 1:26PM0.08m | ||||||||||||||||||
 | |  | | | | |  | | |  |  |  | |  | | | |  | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
1 | 4 | 1 | 3 | 1 | 1 | 5 | 6 | 3 | 4 | 2 | — | — | 1 | — | — | — | 1 | 2 | — | — | 1 | 1 | 1 | |
Temp °C | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
32 | 33 | 31 | 33 | 32 | 30 | 30 | 29 | 28 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 |
 kJ | 988 | 949 | 956 | 904 | 854 | 841 | 733 | 733 | 733 | 653 | 693 | 545 | 421 | 408 | 476 | 469 | 469 | 551 | 273 | 268 | 184 | 180 | 237 | 209 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | W 16 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | SSE 8 | S 18 | S 8 | S 8 | S 7 | SSW 16 | S 16 | S 16 | W 13 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | S 13 |
| kJ | 75 | 33 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 51 | 25 | 46 | 29 | 28 | 87 | 131 | 129 | 3 | 228 | 169 | 218 | 207 | 132 | 130 |
Swell 3 Height (m) Direction Period (s) | W 16 | W 16 | — | — | — | — | — | — | W 14 | W 14 | W 14 | S 18 | S 18 | SSW 17 | W 13 | W 13 | W 13 | W 13 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 5 | 5 | — | — | — | — | — | — | 4 | 4 | 4 | 25 | 55 | 57 | 3 | 3 | 3 | 3 | 29 | 45 | 46 | 32 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 0 | 0 | 0 | 2 | 7 | 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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