Surf Forecasts:
How big are the waves at 4 Bobs today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.9m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.
The current surf forecast for 4 Bobs at 10AM is: 1.9m 14s primary swell from a South-southwest direction and 0.1m 21s secondary swell from a Southwest direction (forecast issued at 06:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.9m) | 14s |
| Afternoon (21 Sep) | 6ft (1.9m) | 14s |
| Evening (21 Sep) | 6ft (1.9m) | 13s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue morning. Warm (max 28°C on Mon morning, min 27°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | SSW 13 | S 13 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | S 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1752 | 1667 | 1475 | 1454 | 1325 | 1229 | 1210 | 1042 | 1003 | 520 | 835 | 809 | 784 | 1093 | 1471 | 1708 | 2541 | 2510 | 1566 | 1488 | 1258 | 1145 | 1010 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 2:00AM0.81m | 3:21PM0.54m | 3:18AM0.86m | 4:17PM0.64m | 4:10AM0.94m | 4:54PM0.75m | |||||||||||||||||
Low Tide | 10:30AM0.40m | 7:07PM0.43m | 10:29AM0.34m | 8:55PM0.40m | 10:44AM0.27m | ||||||||||||||||||
 |  | | | |  | | | |  | | | |  | | | | | |  | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 3 | 2 | 1 | — | 2 | 2 | 2 | 3 | 1 | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 |
Feels °C | 30 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 18 | SSW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | S 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 1752 | 1667 | 1475 | 1454 | 1325 | 1229 | 1210 | 1042 | 195 | 520 | 554 | 616 | 759 | 1093 | 1471 | 1708 | 2541 | 2510 | 1566 | 1488 | 1258 | 1145 | 1010 |
Swell 2 Height (m) Direction Period (s) | — | S 21 | SW 21 | SW 20 | SSW 20 | SSW 19 | SW 19 | SSW 19 | NW 9 | SSW 19 | NW 8 | NW 8 | NW 8 | WNW 8 | SW 12 | NW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 8 | NW 8 |
| kJ | — | 9 | 17 | 16 | 38 | 37 | 94 | 137 | 3 | 312 | 3 | 3 | 3 | 7 | 142 | 2 | 6 | 6 | 6 | 3 | 6 | 6 | 2 |
Swell 3 Height (m) Direction Period (s) | S 21 | S 21 | SW 21 | SW 20 | — | WNW 9 | WNW 9 | W 9 | W 8 | NW 9 | W 15 | W 14 | S 13 | — | WNW 8 | — | — | — | — | — | — | — | — |
| kJ | 9 | 9 | 17 | 15 | — | 7 | 8 | 2 | 1 | 3 | 4 | 4 | 3 | — | 6 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 13 | SSE 7 | S 13 | S 13 | S 12 | S 12 | S 12 | SSE 8 | SSE 5 | SSE 5 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | — | — | — | — | — | — | — | — | 1003 | 140 | 835 | 809 | 784 | 775 | 544 | 170 | 80 | 83 | 207 | 191 | 196 | 159 | 168 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 103 | 7 | 7 | 7 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 155 | 7 | 7 | 389 | 341 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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