Surf Forecasts:
How big are the waves at 4 Bobs today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 10ft (3.0m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 10ft (3.0m), 18s period with SSW swell.
- Evening surf: Evening surf (19 Aug, local time) - 10ft (3.0m), 17s period with SSW swell.
The current surf forecast for 4 Bobs at 4AM is: 2.5m 19s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a West direction, 0.6m 10s secondary swell from a Southwest direction (forecast issued at 12:00am August 19). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 10ft (3.0m) | 18s |
| Afternoon (19 Aug) | 10ft (3.0m) | 18s |
| Evening (19 Aug) | 10ft (3.0m) | 17s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Warm (max 28°C on Tue night, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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) | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 17 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5273 | 5108 | 4831 | 5250 | 5454 | 5657 | 5751 | 5303 | 5180 | 4655 | 4402 | 4086 | 3786 | 3378 | 3113 | 3074 | 2682 | 2613 | 2516 | 2177 | 1648 | 1950 | 1843 | 3139 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 10:17PM1.05m | 10:09AM0.77m | 11:00PM0.97m | 10:39AM0.65m | 11:55PM0.90m | 11:18AM0.55m | ||||||||||||||||||
Low Tide | 4:11AM0.27m | 3:57PM0.15m | 4:57AM0.34m | 4:30PM0.22m | 5:56AM0.41m | 5:11PM0.28m | ||||||||||||||||||
 | |  | |  |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | 2 | 4 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 29 | 29 | 31 | 31 | 30 | 30 | 30 | 29 | 28 | 29 | 30 | 31 | 32 | 31 | 31 | 30 | 29 | 29 | 30 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 17 | SSW 16 |
| kJ | 5273 | 5108 | 4831 | 5250 | 5454 | 5657 | 5751 | 5303 | 5180 | 4655 | 4402 | 4086 | 3786 | 3378 | 3113 | 3074 | 2682 | 2613 | 2516 | 2177 | 1648 | 1950 | 1843 | 3139 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 10 | — | — | — | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | — | WNW 10 | WNW 11 | WSW 11 | WSW 11 | SSW 22 | S 21 | S 20 | SSW 19 | SSW 18 | SSW 18 | SSW 14 | WNW 10 |
| kJ | 5 | 2 | — | — | — | 20 | 22 | 22 | 20 | 20 | 20 | — | 21 | 22 | 38 | 38 | 91 | 221 | 495 | 949 | 1169 | 1106 | 1139 | 20 |
Swell 3 Height (m) Direction Period (s) | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 22 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | WNW 11 | WNW 11 | W 16 |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 37 | 22 | 22 | 29 | 29 | 29 | 22 | 22 | 5 |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 10 | SW 4 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | W 10 | SW 10 | — | — | — | — | SE 4 | SE 4 | SE 4 | — | — | SE 5 |
| kJ | 41 | 74 | 12 | 60 | 49 | 51 | 28 | 28 | 37 | 35 | 35 | 50 | 52 | 28 | — | — | — | — | 10 | 16 | 20 | — | — | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 155 | 155 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 0 | 0 | 2 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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