Surf Forecasts:
How big are the waves at 4 Bobs today (17 Sep):
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5.5ft (1.7m), 15s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
The current surf forecast for 4 Bobs at 9PM is: 1.7m 16s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a South-southeast direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 5.5ft (1.7m) | 15s |
| Evening (17 Sep) | 5.5ft (1.7m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 54mm), heaviest during Sun morning. Warm (max 27°C on Thu afternoon, min 24°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 15 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1460 | 1460 | 1479 | 1257 | 496 | 1083 | 869 | 807 | 796 | 785 | 672 | 663 | 672 | 869 | 2264 | 2541 | 1961 | 2498 | 2379 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | on |
High Tide | 10:03PM0.98m | 9:46AM0.62m | 10:47PM0.89m | 9:54AM0.54m | |||||||||||||||
Low Tide | 3:11PM0.15m | 4:17AM0.29m | 3:44PM0.22m | 5:10AM0.37m | 4:24PM0.30m | ||||||||||||||
 |  |  |  | |  | | |  | |  | | | | |  | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 2 |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 27 | 28 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 13 | SSW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 15 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 |
| kJ | 1460 | 1460 | 1479 | 1257 | 451 | 1083 | 869 | 807 | 796 | 785 | 672 | 663 | 672 | 869 | 2264 | 2541 | 1961 | 2498 | 2379 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | SSE 7 | SSE 7 | SW 16 | SSE 7 | SSE 7 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | WNW 8 | WNW 8 | SW 13 | WNW 8 | WNW 8 |
| kJ | 45 | 43 | 47 | 35 | 496 | 35 | 26 | 98 | 186 | 183 | 330 | 465 | 628 | 735 | 12 | 12 | 331 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | — | WNW 9 | WNW 9 | WNW 9 | SSE 7 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | S 15 | W 15 | WNW 8 | W 15 | — |
| kJ | — | 28 | 28 | 27 | 35 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 13 | 4 | 4 | 12 | 4 | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 7 | — | — | — | — | — | SSE 7 | S 7 | SSE 7 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 |
| kJ | 33 | 50 | — | — | — | — | — | 26 | 32 | 45 | 28 | 50 | 53 | 53 | 62 | 66 | 71 | 74 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 503 | 493 | 103 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 489 | 155 | 155 | 103 | 7 | 11 | 7 | 7 | 489 |
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