Surf Forecasts:
How big are the waves at 4 Bobs today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 5.5ft (1.7m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 7ft (2.1m), 19s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 7.5ft (2.3m), 19s period with SW swell.
The current surf forecast for 4 Bobs at 2PM is: 2.1m 19s primary swell from a Southwest direction and 1.2m 14s secondary swell from a Southwest direction (forecast issued at 06:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 5.5ft (1.7m) | 19s |
| Afternoon (12 Sep) | 7ft (2.1m) | 19s |
| Evening (12 Sep) | 7.5ft (2.3m) | 19s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 42mm), heaviest during Sat night. Warm (max 28°C on Sat morning, min 26°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 21 | SW 15 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1278 | 940 | 2140 | 3104 | 3072 | 3040 | 3975 | 3559 | 3439 | 3156 | 3010 | 2776 | 2742 | 2527 | 2185 | 1788 | 1765 | 1708 | 1822 | 2007 | 2119 | 2119 | 2066 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 6:52AM1.18m | 7:16PM1.18m | 7:27AM1.12m | 7:50PM1.21m | 8:01AM1.03m | 8:23PM1.20m | |||||||||||||||||
Low Tide | 12:53PM0.01m | 1:12AM0.05m | 1:20PM0.01m | 1:49AM0.06m | 1:47PM0.02m | ||||||||||||||||||
 |  |  | |  | | | | |  | | |  |  | | |  | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 1 | 1 | — | 1 | — | 1 | 1 | 3 | 4 | 8 | 8 | 4 | — | — | 2 | 3 | — | — | 1 | — | — | 2 | 2 |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 29 | 29 | 31 | 32 | 31 | 29 | 28 | 29 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 29 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 15 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 857 | 940 | 2140 | 3104 | 3072 | 3040 | 3975 | 3559 | 3439 | 3156 | 3010 | 2776 | 2742 | 2527 | 2185 | 1788 | 1765 | 1708 | 1822 | 2007 | 2119 | 2119 | 2066 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 20 | SSW 14 | SW 14 | SW 14 | SW 15 | — | — | — | W 19 | W 19 | W 19 | — | — | SSE 9 | WSW 18 | W 18 | W 18 | W 17 | W 17 | SSE 7 | — | — |
| kJ | 1278 | 895 | 691 | 597 | 606 | 773 | — | — | — | 30 | 30 | 7 | — | — | 16 | 30 | 24 | 24 | 23 | 22 | 104 | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | W 16 | — | SSE 9 | W 22 | — | — | — | — | — | — | — | — | — | WSW 18 | — | — | — | — | — | — | — | — |
| kJ | 2 | 5 | — | 119 | 36 | — | — | — | — | — | — | — | — | — | 31 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | — | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 8 | SSE 7 |
| kJ | 146 | 146 | 149 | — | 119 | 108 | 106 | 113 | 47 | 88 | 131 | 164 | 140 | 125 | 113 | 140 | 144 | 144 | 127 | 118 | — | 99 | 104 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 7 | 7 | 2 | 2 | 7 | 155 | 155 | 7 | 7 | 7 | 7 | 7 | 7 | 489 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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