Surf Forecasts:
How big are the waves at 4 Bobs today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5.5ft (1.7m), 18s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 7ft (2.2m), 18s period with S swell.
The current surf forecast for 4 Bobs at 10PM is: 2.4m 17s primary swell from a South direction and 0.4m 15s secondary swell from a Southwest direction, 1.4m 11s secondary swell from a South direction (forecast issued at 06:00pm August 13). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 5.5ft (1.7m) | 18s |
| Evening (13 Aug) | 7ft (2.2m) | 18s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 52mm), heaviest during Thu night. Warm (max 28°C on Thu afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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) | S 18 | S 19 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1925 | 2205 | 3386 | 2316 | 2183 | 2028 | 3059 | 2749 | 2465 | 2140 | 1847 | 1468 | 1299 | 1127 | 1033 | 915 | 757 | 555 | 560 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | off | cross-off | cross-off | cross-off | cross | on | cross-on | on |
High Tide | 7:03PM0.97m | 7:14AM1.30m | 7:43PM1.05m | 7:53AM1.24m | 8:22PM1.11m | ||||||||||||||
Low Tide | 00:40AM0.06m | 1:31PM-0.01m | 1:26AM0.06m | 2:01PM-0.01m | |||||||||||||||
 |  | | |  | | | | | | | | | |  |  | |  |  | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | 3 | 3 | 4 | 5 | 6 | 6 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 2 | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 |
Feels °C | 30 | 28 | 29 | 29 | 28 | 30 | 29 | 30 | 30 | 30 | 30 | 28 | 28 | 28 | 29 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 19 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 |
| kJ | 1925 | 2205 | 3386 | 2316 | 2183 | 2028 | 3059 | 2749 | 2465 | 2140 | 1847 | 1468 | 1299 | 1127 | 1033 | 915 | 757 | 555 | 560 |
Swell 2 Height (m) Direction Period (s) | S 12 | SW 15 | SW 15 | WNW 11 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | S 16 | S 16 | S 16 |
| kJ | 675 | 134 | 54 | 12 | 47 | 91 | 91 | 151 | 277 | 218 | 298 | 203 | 371 | 516 | 516 | 424 | 438 | 438 | 432 |
Swell 3 Height (m) Direction Period (s) | SW 15 | S 11 | WNW 11 | SSW 23 | WNW 11 | WNW 11 | WNW 11 | SW 18 | WNW 11 | WNW 11 | SW 16 | SSW 20 | S 19 | S 18 | S 18 | S 18 | SW 16 | SW 15 | SW 15 |
| kJ | 54 | 64 | 12 | 53 | 12 | 12 | 12 | 49 | 12 | 12 | 153 | 298 | 263 | 234 | 231 | 315 | 302 | 326 | 344 |
Wind waves Height (m) Direction Period (s) | — | S 10 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SSE 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 326 | 485 | 505 | 516 | 516 | 392 | 282 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 321 | 324 | 389 | 11 | 11 | 11 | 11 | 11 | 7 | 103 | 0 | 0 | 0 | 0 | 0 | 10 | 7 | 7 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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