Surf Forecasts:
How big are the waves at 4 Bobs today (17 Jul):
- Afternoon surf: Afternoon surf (17 Jul, local time) - 4.5ft (1.4m), 15s period with SW swell.
- Evening surf: Evening surf (17 Jul, local time) - 4.5ft (1.4m), 15s period with SW swell.
The current surf forecast for 4 Bobs at 12AM is: 1.4m 15s primary swell from a Southwest direction and 0.7m 8s secondary swell from a South-southeast direction (forecast issued at 06:00pm July 16). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | - | - |
| Afternoon (17 Jul) | 4.5ft (1.4m) | 15s |
| Evening (17 Jul) | 4.5ft (1.4m) | 15s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Sat night. Warm (max 29°C on Fri afternoon, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||
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 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 695 | 795 | 816 | 871 | 894 | 894 | 883 | 805 | 784 | 795 | 695 | 676 | 667 | 667 | 667 | 597 | 589 | 548 | 532 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | glassy | glassy | glassy | on | glassy | glassy | glassy | cross-off | cross-off | cross-off |
High Tide | 8:04PM0.91m | 8:15AM1.31m | 8:50PM0.96m | 8:57AM1.22m | 9:36PM1.00m | ||||||||||||||
Low Tide | 1:59PM-0.01m | 1:34AM0.06m | 2:37PM0.00m | 2:23AM0.11m | 3:12PM0.03m | ||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | 2 | 2 | 3 | 1 | 2 | — | — | 3 | 1 | 1 | 2 | 1 | 4 | 3 | 4 | 4 |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 32 | 32 | 32 | 31 | 30 | 30 | 31 | 32 | 32 | 33 | 32 | 32 | 30 | 31 | 32 | 32 | 31 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 695 | 795 | 816 | 871 | 894 | 894 | 883 | 805 | 784 | 795 | 695 | 676 | 667 | 667 | 667 | 597 | 589 | 548 | 532 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 63 | 63 | 65 | 65 | 63 | 58 | 57 | 69 | 67 | 65 | 65 | 51 | 51 | 51 | 52 | 67 | 65 | 65 | 67 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 15 |
| kJ | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 10 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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