- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Friday 29 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
30.2° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today (29 May):
- Morning surf: Morning surf (29 May, local time) - 7ft (2.1m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 6.5ft (2.0m), 14s period with SSW swell.
- Evening surf: Evening surf (29 May, local time) - 6ft (1.8m), 14s period with SSW swell.
The current surf forecast for 4 Bobs at 3AM is: 2.1m 15s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 12:00am May 29). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 7ft (2.1m) | 14s |
| Afternoon (29 May) | 6.5ft (2.0m) | 14s |
| Evening (29 May) | 6ft (1.8m) | 14s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Thu night, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 15 | 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 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | |
1885 | 1860 | 1860 | 1748 | 1748 | 1582 | 1560 | 1314 | 1222 | 1186 | 987 | 987 | 987 | 922 | 812 | 668 | 647 | 598 | 598 | 598 | 589 | 517 | 469 | 461 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-off | cross | cross-on | glassy | glassy | cross-on | glassy | cross-on | cross-on | cross | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 5:02AM1.12m | 5:23PM0.75m | 5:38AM1.15m | 6:02PM0.74m | 6:13AM1.16m | 6:40PM0.73m | ||||||||||||||||||
Low Tide | 10:04PM0.22m | 11:35AM0.22m | 10:40PM0.19m | 12:08PM0.17m | 11:15PM0.17m | 12:39PM0.13m | ||||||||||||||||||
 | |  | | |  |  | |  | | | | | | | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
32 | 32 | 32 | 33 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 31 | 31 | 32 | 33 | 33 | 32 | 32 | 33 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | 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 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
 kJ | 1885 | 1860 | 1860 | 1748 | 1748 | 1582 | 1560 | 1314 | 1222 | 1186 | 987 | 987 | 987 | 922 | 812 | 668 | 647 | 598 | 598 | 598 | 589 | 517 | 469 | 461 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 19 | 19 | 19 | 20 | 12 | 20 | 12 | 12 | 12 | 12 | 12 | 21 | 21 | 13 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 119 | 193 | 234 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 8 | W 14 | W 14 | W 14 | W 10 | SE 7 | SE 7 | W 13 | SSW 18 | SSW 18 | SSW 18 | SW 18 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 4 | 4 | 2 | 2 | 2 | 4 | 31 | 31 | 62 | 80 | 13 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 19 | 0 | 0 | 2 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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