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 3AM is: 0.8m 14s primary swell from a Southwest direction and 0.6m 11s secondary swell from a South direction, 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am 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 56mm), heaviest during Sun night. Warm (max 28°C on Sat morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||||||||||||
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 | 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 11 | SW 14 | SW 18 | 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 | 289 | 285 | 323 | 319 | 594 | 610 | 757 | 757 | 587 | 832 | 909 | 760 | 840 | 924 | 1024 | 1175 | 1114 | 1099 | 2446 | 2609 | 2576 | 2258 | 2169 | 2111 |
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 | on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 9:27AM0.61m | 10:00PM0.91m | 10:04AM0.55m | 11:00PM0.84m | 12:55PM0.53m | |||||||||||||||||||
Low Tide | 3:51AM0.25m | 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 | 1 | 2 | 2 | 2 | 1 | — | — | — | 2 | 3 | 4 | 4 | 2 | 1 | 1 | 4 | 6 | 7 | 6 | 3 | 2 | 1 | 1 | 1 |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 30 | 29 | 29 | 31 | 31 | 29 | 29 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | 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 | 289 | 285 | 228 | 319 | 594 | 610 | 757 | 757 | 587 | 832 | 909 | 760 | 840 | 924 | 1024 | 1175 | 1114 | 1099 | 2446 | 2609 | 2576 | 2258 | 2169 | 2111 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | S 11 | SW 18 | SW 14 | SW 14 | S 10 | W 15 | SSW 10 | SW 12 | S 11 | — | SSW 11 | SSW 11 | SSW 11 | SSE 7 | SSW 18 | SSW 18 | SSW 18 | — | — | — | — | — | — |
| kJ | 143 | 83 | 323 | 181 | 116 | 75 | 4 | 31 | 126 | 9 | — | 82 | 79 | 105 | 82 | 456 | 559 | 832 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 15 | SSW 18 | W 15 | W 15 | — | W 15 | W 15 | — | SSW 10 | — | — | — | — | — | SSW 11 | — | SSW 10 | SSW 10 | — | — | — | — | — | — |
| kJ | 5 | 214 | 4 | 4 | — | 4 | 4 | — | 20 | — | — | — | — | — | 103 | — | 55 | 38 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 11 | SSE 6 | SSE 11 | SSE 11 | S 10 | SSE 6 | SSE 8 | SSE 7 | SSE 8 | SSE 7 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | — | SSE 7 | SSE 7 | S 10 | SSE 7 | SSE 7 | S 4 | SSE 4 | — | — |
| kJ | 281 | 60 | 292 | 286 | 225 | 50 | 99 | 89 | 120 | 136 | 86 | 119 | 100 | 87 | — | 68 | 68 | 149 | 76 | 54 | 9 | 10 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 155 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 2 | 0 | 0 | 29 | 29 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
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