Surf Forecasts:
How big are the waves at 4 Bobs today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 7ft (2.1m), 18s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 7ft (2.2m), 18s period with SW swell.
The current surf forecast for 4 Bobs at 11PM is: 2.3m 18s primary swell from a Southwest direction and 0.2m 9s secondary swell from a West direction, 1.0m 10s secondary swell from a South direction (forecast issued at 06:00pm August 31). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 7ft (2.1m) | 18s |
| Evening (31 Aug) | 7ft (2.2m) | 18s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Wed morning. Warm (max 28°C on Mon afternoon, min 27°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 2813 | 2994 | 3158 | 3345 | 3269 | 4002 | 3119 | 3010 | 2776 | 2742 | 2527 | 2357 | 2187 | 2033 | 1852 | 1715 | 1571 | 1552 | 1552 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 8:22PM1.14m | 8:25AM1.02m | 8:55PM1.15m | 8:56AM0.92m | 9:32PM1.14m | ||||||||||||||
Low Tide | 2:00PM0.00m | 2:25AM0.09m | 2:30PM0.01m | 3:07AM0.12m | 3:02PM0.04m | ||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | 1 | 2 | 4 | 4 | 1 | 1 | — | 1 | — | 1 | 2 | 5 | 3 | 1 | — | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 30 | 31 | 31 | 30 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 2813 | 2994 | 3158 | 3345 | 3269 | 4002 | 3119 | 3010 | 2776 | 2742 | 2527 | 2357 | 2187 | 2033 | 1852 | 1715 | 1571 | 1552 | 1552 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | S 11 | S 11 | WNW 9 | WNW 9 | WNW 9 | — | — | — | WNW 9 | W 17 | W 17 | WNW 8 | WNW 8 | S 8 | SSE 8 | SSE 8 |
| kJ | 8 | 7 | 7 | 37 | 21 | 8 | 8 | 8 | — | — | — | 7 | 24 | 23 | 7 | 7 | 127 | 107 | 104 |
Swell 3 Height (m) Direction Period (s) | — | WNW 10 | W 19 | WNW 9 | WNW 9 | — | — | — | — | — | — | — | W 17 | WNW 9 | — | — | WNW 8 | W 16 | W 16 |
| kJ | — | 9 | 7 | 16 | 8 | — | — | — | — | — | — | — | 23 | 8 | — | — | 7 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | S 9 | S 11 | S 11 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | — | — | — |
| kJ | 165 | 229 | 229 | 169 | 211 | 146 | 173 | 173 | 169 | 162 | 144 | 113 | 133 | 159 | 147 | 147 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 489 | 12 | 131 | 155 | 155 | 11 | 7 | 7 | 12 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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