- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Wednesday 29 Apr 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 7PM is: 1.5m 16s primary swell from a South direction and 0.8m 16s secondary swell from a Southwest direction (forecast issued at 12:00pm April 29). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 3.5ft (1.1m) | 17s |
| Afternoon (29 Apr) | 4ft (1.2m) | 16s |
| Evening (29 Apr) | 4.5ft (1.3m) | 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 21mm), heaviest during Wed night. Warm (max 29°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 17 | SSW 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | |
745 | 686 | 797 | 1175 | 711 | 1092 | 892 | 857 | 850 | 966 | 722 | 722 | 1051 | 1118 | 949 | 956 | 904 | 854 | 841 | 733 | 733 | 643 | 653 | 561 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | glassy | cross-off | off | cross-off | glassy | glassy | glassy | cross | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross | |
High Tide | 5:11PM0.92m | 5:34AM1.14m | 5:49PM0.90m | 6:07AM1.19m | 6:25PM0.87m | 6:38AM1.21m | ||||||||||||||||||
Low Tide | 10:59PM0.17m | 11:51AM0.17m | 11:26PM0.14m | 12:24PM0.12m | 11:53PM0.11m | |||||||||||||||||||
 |  | |  | | | | |  | | | |  |  | | | |  | |  | | | | | |
 | 6:18 | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | 6:21 |
2 | — | 1 | 1 | 1 | 5 | 3 | — | — | — | — | 1 | — | — | 3 | 1 | 2 | — | — | — | — | 1 | — | — | |
Temp °C | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 |
34 | 33 | 33 | 33 | 34 | 32 | 31 | 31 | 33 | 32 | 34 | 31 | 31 | 32 | 32 | 33 | 32 | 34 | 33 | 33 | 32 | 32 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 745 | 686 | 797 | 1175 | 711 | 1092 | 892 | 857 | 850 | 966 | 722 | 722 | 1051 | 1118 | 949 | 956 | 904 | 854 | 841 | 733 | 733 | 643 | 653 | 561 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SSW 16 | SSW 16 | SW 15 | SW 15 | SW 15 | W 16 | W 15 | W 15 | W 15 | W 14 | W 14 | S 8 | S 8 | S 8 |
| kJ | 285 | 224 | 220 | 361 | 361 | 251 | 206 | 203 | 171 | 169 | 363 | 354 | 209 | 75 | 33 | 5 | 5 | 4 | 4 | 4 | 4 | 30 | 32 | 33 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 13 | SW 14 | W 14 | S 11 | W 18 | W 18 | W 18 | S 18 | S 8 | S 8 | S 8 | W 16 | W 16 | W 16 | — | — | — | — | W 14 | S 8 | W 14 | W 14 | S 18 |
| kJ | 109 | 63 | 91 | 4 | 163 | 6 | 6 | 6 | 155 | 21 | 33 | 32 | 5 | 5 | 5 | — | — | — | — | 4 | 5 | 4 | 4 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 82 | 19 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 4 Bobs surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest