Surf Forecasts:
How big are the waves at 4 Bobs today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 2.5ft (0.7m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 3.5ft (1.1m), 17s period with SW swell.
- Evening surf: Evening surf (17 Oct, local time) - 4ft (1.2m), 16s period with SW swell.
The current surf forecast for 4 Bobs at 6PM is: 1.1m 16s primary swell from a Southwest direction and 1.0m 8s secondary swell from a South direction, 1.0m 10s secondary swell from a South direction (forecast issued at 12:00pm October 17). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 2.5ft (0.7m) | 18s |
| Afternoon (17 Oct) | 3.5ft (1.1m) | 17s |
| Evening (17 Oct) | 4ft (1.2m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 44mm), heaviest during Sun night. Warm (max 27°C on Sat morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||||
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) | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 319 | 594 | 610 | 757 | 757 | 587 | 832 | 909 | 863 | 949 | 924 | 1024 | 1175 | 1114 | 1099 | 2446 | 2609 | 2441 | 2258 | 2169 | 1939 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross | off | off | glassy | glassy | glassy | glassy |
High Tide | 10:00PM0.91m | 10:04AM0.55m | 11:00PM0.84m | 12:55PM0.53m | |||||||||||||||||
Low Tide | 3:12PM0.24m | 4:41AM0.32m | 3:55PM0.33m | 5:49AM0.38m | 4:58PM0.42m | ||||||||||||||||
 | |  |  |  |  | | | | | | | |  | | |  |  | | | | |
 | 6:03 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | 3 | 1 | — | — | — | 3 | 1 | 5 | 5 | 3 | 1 | — | 1 | 6 | 8 | 5 | 1 | — | 1 | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 24 | 25 | 25 | 26 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 28 | 28 | 26 | 29 | 29 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 319 | 594 | 610 | 757 | 757 | 587 | 832 | 909 | 863 | 949 | 924 | 1024 | 1175 | 1114 | 1099 | 2446 | 2609 | 2441 | 2258 | 2169 | 1939 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | W 15 | S 8 | SSW 10 | SW 12 | S 11 | — | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 18 | SSW 18 | SSW 18 | — | — | — | — | — | — |
| kJ | 181 | 116 | 4 | 115 | 19 | 126 | 9 | — | 82 | 79 | 105 | 103 | 456 | 559 | 832 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 15 | — | — | W 15 | — | SSW 10 | — | — | — | — | — | S 19 | — | SSW 10 | SSW 10 | — | — | — | — | — | — |
| kJ | 4 | — | — | 4 | — | 20 | — | — | — | — | — | 114 | — | 55 | 38 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 11 | S 10 | S 10 | SSE 9 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 5 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 10 | SSE 7 | SSE 7 | — | — | — | — |
| kJ | 275 | 270 | 216 | 129 | 91 | 91 | 117 | 136 | 85 | 81 | 105 | 99 | 89 | 82 | 184 | 94 | 70 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 29 | 7 | 7 | 7 | 7 | 11 | 7 | 7 | 12 | 103 | 155 | 321 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
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