Surf Forecasts:
How big are the waves at 4 Bobs today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5ft (1.5m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 4.5ft (1.3m), 13s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 3ft (0.9m), 20s period with SSW swell.
The current surf forecast for 4 Bobs at 3PM is: 1.3m 13s primary swell from a South-southwest direction and 0.6m 20s secondary swell from a South-southwest direction, 1.0m 6s secondary swell from a South-southeast direction (forecast issued at 06:00am October 21). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5ft (1.5m) | 13s |
| Afternoon (21 Oct) | 4.5ft (1.3m) | 13s |
| Evening (21 Oct) | 3ft (0.9m) | 20s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Wed morning. Warm (max 28°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | S 21 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 756 | 745 | 745 | 649 | 504 | 596 | 590 | 424 | 603 | 897 | 897 | 576 | 612 | 798 | 1050 | 1967 | 3804 | 3920 | 3833 | 3875 | 3705 | 3316 | 3164 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 2:19AM0.82m | 3:34PM0.71m | 3:19AM0.87m | 4:11PM0.84m | 4:05AM0.91m | 4:42PM0.97m | |||||||||||||||||
Low Tide | 8:40AM0.34m | 8:22PM0.45m | 9:26AM0.28m | 9:36PM0.37m | 10:01AM0.21m | ||||||||||||||||||
 |  | | | | |  | | |  | |  | | |  | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | 2 | 2 | 2 | 1 | — | — | — | — | — | 2 | — | — | — | 2 | 2 | 2 | 2 | 2 | 1 | — | 1 | 2 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 29 | 29 | 30 | 31 | 30 | 31 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 31 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 18 | S 13 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 |
| kJ | 756 | 745 | 745 | 649 | 504 | 481 | 371 | 365 | 584 | 897 | 633 | 576 | 612 | 798 | 1042 | 1967 | 3804 | 3920 | 3833 | 3875 | 3705 | 3316 | 3164 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSW 22 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 12 | SSW 18 | SSW 13 | SSW 12 | SSW 21 | S 21 | SSW 16 | — | SW 12 | SW 12 | — | — | — | — |
| kJ | 37 | 308 | 305 | 260 | 346 | 596 | 590 | 424 | 603 | 268 | 897 | 286 | 233 | 721 | 1050 | 957 | — | 6 | 6 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 23 | — | — | SW 19 | W 9 | W 9 | W 9 | SW 18 | W 8 | SW 18 | W 8 | S 20 | S 21 | SSW 24 | SSW 12 | W 8 | — | — | — | — | — | — | — |
| kJ | 138 | — | — | 15 | 2 | 2 | 2 | 49 | 1 | 12 | 1 | 299 | 428 | 54 | 180 | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 12 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | — | 47 | 60 | 56 | 73 | 75 | 77 | 88 | 73 | 99 | 77 | 96 | 86 | 472 | 111 | 143 | 147 | 196 | 170 | 165 | 128 | 127 | 155 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 2 | 2 | 7 | 7 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 7 | 103 | 389 | 7 | 7 | 7 | 7 | 7 | 7 | 155 | 7 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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