Surf Forecasts:
How big are the waves at 4 Bobs today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4ft (1.2m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 5ft (1.5m), 16s period with SSW swell.
- Evening surf: Evening surf (31 Jul, local time) - 4.5ft (1.3m), 16s period with SSW swell.
The current surf forecast for 4 Bobs at 7PM is: 1.3m 16s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South-southwest direction, 0.9m 7s secondary swell from a South-southeast direction (forecast issued at 12:00pm July 31). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4ft (1.2m) | 17s |
| Afternoon (31 Jul) | 5ft (1.5m) | 16s |
| Evening (31 Jul) | 4.5ft (1.3m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Fri night. Warm (max 29°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||
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 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 18 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 825 | 1136 | 1321 | 853 | 853 | 1057 | 1097 | 1526 | 1543 | 1336 | 1170 | 1044 | 1155 | 1018 | 1018 | 933 | 770 | 1124 | 790 | 1358 | 1358 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | on | on | on |
High Tide | 7:56PM0.88m | 7:54AM1.17m | 8:26PM0.93m | 8:22AM1.13m | 8:56PM0.98m | ||||||||||||||||
Low Tide | 1:42PM0.08m | 1:22AM0.15m | 2:09PM0.06m | 2:01AM0.15m | 2:38PM0.05m | ||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | |
 | 6:28 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | 2 | 6 | 3 | 2 | 2 | 1 | — | — | 1 | 1 | — | — | — | 1 | 2 | 1 | 4 |
Temp °C | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 32 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 32 | 30 | 30 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 18 | SSW 16 | SSW 16 |
| kJ | 503 | 1136 | 1321 | 853 | 853 | 1057 | 1097 | 1526 | 1543 | 1336 | 1170 | 1044 | 1155 | 1018 | 1018 | 933 | 770 | 1124 | 790 | 1358 | 1358 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SSE 7 | WNW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | SW 11 | WNW 11 | SSW 19 | SSW 19 | SSE 8 | SSW 19 | SW 14 | SW 14 | WNW 10 | WNW 10 |
| kJ | 825 | 50 | 20 | 169 | 111 | 111 | 111 | 18 | 18 | 20 | 22 | 31 | 22 | 375 | 497 | 131 | 589 | 407 | 482 | 19 | 19 |
Swell 3 Height (m) Direction Period (s) | SW 22 | SW 21 | WNW 10 | SW 20 | SSW 20 | WNW 10 | WNW 10 | — | — | W 16 | W 16 | WNW 11 | W 16 | WNW 11 | SSE 9 | S 19 | SSE 9 | WNW 10 | WNW 10 | W 16 | SSW 8 |
| kJ | 118 | 117 | 38 | 188 | 336 | 19 | 18 | — | — | 5 | 5 | 23 | 5 | 22 | 28 | 480 | 27 | 20 | 20 | 5 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 6 | — | SSE 7 | SSE 7 | SSE 4 | SSE 5 | SSE 5 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 24 | — | 51 | 68 | 39 | 44 | 64 | 87 | 102 | 129 | 117 | 105 | 115 | 121 | 101 | — | 101 | 110 | 110 | 105 | 102 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 389 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 7 | 7 | 7 | 2 | 2 | 7 | 7 | 7 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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