Surf Forecasts:
How big are the waves at 4 Bobs today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.3m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 4ft (1.2m), 14s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 4ft (1.2m), 14s period with SW swell.
The current surf forecast for 4 Bobs at 4AM is: 1.3m 14s primary swell from a Southwest direction and 0.7m 7s secondary swell from a South-southeast direction (forecast issued at 12:00am July 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4.5ft (1.3m) | 14s |
| Afternoon (18 Jul) | 4ft (1.2m) | 14s |
| Evening (18 Jul) | 4ft (1.2m) | 14s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 44mm), heaviest during Sat night. Warm (max 28°C on Fri night, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 676 | 667 | 667 | 667 | 597 | 589 | 548 | 532 | 525 | 517 | 465 | 458 | 458 | 451 | 685 | 983 | 908 | 1811 | 2007 | 2164 | 1919 | 1849 | 1849 | 1803 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | cross | glassy |
High Tide | 8:57AM1.22m | 9:36PM1.00m | 9:38AM1.10m | 10:22PM1.00m | 10:19AM0.97m | |||||||||||||||||||
Low Tide | 2:23AM0.11m | 3:12PM0.03m | 3:11AM0.17m | 3:45PM0.08m | 3:59AM0.25m | 4:18PM0.13m | ||||||||||||||||||
 | |  | |  | | | | | | | | | |  | | | |  | | | | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | 3 | 3 | 1 | 3 | — | 2 | 3 | 2 | 6 | 3 | 4 | 5 | 4 | 1 | — | — | — | — | — | — | — | 1 | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 28 | 28 | 28 | 27 | 26 | 26 | 28 | 30 | 29 | 29 | 28 | 30 | 30 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 676 | 667 | 667 | 667 | 597 | 589 | 548 | 532 | 525 | 517 | 465 | 458 | 458 | 451 | 458 | 983 | 908 | 1811 | 2007 | 2164 | 1919 | 1849 | 1849 | 1803 |
Swell 2 Height (m) Direction Period (s) | 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 | SSW 18 | SSW 18 | SW 13 | SW 13 | SSE 7 | S 7 | S 7 | SSE 7 | S 8 | S 8 | S 8 |
| kJ | 65 | 51 | 51 | 51 | 63 | 65 | 67 | 91 | 73 | 57 | 55 | 42 | 41 | 333 | 685 | 382 | 400 | 37 | 50 | 39 | 43 | 41 | 42 | 41 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | W 14 | WNW 8 | WNW 8 | SSW 21 | SSW 18 | SSE 7 | SSE 7 | SSE 7 | SSW 5 | SW 5 | WSW 5 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
| kJ | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 15 | 4 | 11 | 11 | 44 | 103 | 29 | 29 | 40 | 51 | 17 | 8 | 10 | 13 | 6 | 12 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 8 | NW 8 | NW 3 | WNW 4 | WSW 5 | WSW 5 | SW 5 | SW 5 | WSW 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 9 | 20 | 5 | 10 | 37 | 72 | 65 | 43 | 45 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 159 | 489 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
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