Surf Forecasts:
How big are the waves at 4 Bobs today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 8ft (2.4m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 7.5ft (2.3m), 16s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 7ft (2.1m), 16s period with SW swell.
The current surf forecast for 4 Bobs at 2PM is: 2.3m 16s primary swell from a Southwest direction and 0.1m 19s secondary swell from a West direction, 1.4m 6s secondary swell from a South-southeast direction (forecast issued at 06:00am September 13). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 8ft (2.4m) | 17s |
| Afternoon (13 Sep) | 7.5ft (2.3m) | 16s |
| Evening (13 Sep) | 7ft (2.1m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun morning. Warm (max 28°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3439 | 3156 | 3010 | 2776 | 2742 | 2527 | 2185 | 1788 | 1765 | 1708 | 1822 | 1845 | 2007 | 2007 | 1956 | 1907 | 1708 | 1571 | 1550 | 1508 | 1358 | 1279 | 1142 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 7:27AM1.12m | 7:50PM1.21m | 8:01AM1.03m | 8:23PM1.20m | 8:32AM0.93m | 8:55PM1.15m | |||||||||||||||||
Low Tide | 1:12AM0.05m | 1:20PM0.01m | 1:49AM0.06m | 1:47PM0.02m | 2:25AM0.09m | 2:14PM0.05m | |||||||||||||||||
 |  |  | |  |  | | |  |  |  | | | |  | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 3 | 6 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 27 | 27 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 29 | 31 | 30 | 29 | 29 | 30 | 28 | 28 | 29 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SSW 14 |
| kJ | 3439 | 3156 | 3010 | 2776 | 2742 | 2527 | 2185 | 1788 | 1765 | 1708 | 1822 | 1845 | 2007 | 2007 | 1956 | 1907 | 1708 | 1571 | 1550 | 1508 | 1358 | 1279 | 1142 |
Swell 2 Height (m) Direction Period (s) | — | W 19 | W 19 | W 19 | — | — | WSW 18 | WSW 18 | W 18 | W 18 | W 17 | — | — | — | — | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | W 10 | W 9 | SW 21 |
| kJ | — | 30 | 30 | 7 | — | — | 31 | 30 | 24 | 24 | 23 | — | — | — | — | 131 | 123 | 102 | 99 | 83 | 2 | 2 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 | W 15 | W 15 | W 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 4 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | — | — | — | — | — | SSE 8 | SSE 8 | SSE 8 |
| kJ | 78 | 98 | 131 | 140 | 127 | 137 | 149 | 167 | 172 | 172 | 157 | 155 | 131 | 127 | 131 | — | — | — | — | — | 83 | 77 | 75 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 155 | 7 | 7 | 341 | 489 | 489 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 155 | 7 | 7 | 7 | 7 | 7 | 7 | 103 | 389 | 389 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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