Surf Forecasts:
How big are the waves at 4 Bobs today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 4ft (1.2m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 4.5ft (1.3m), 16s period with SSW swell.
- Evening surf: Evening surf (30 Sep, local time) - 4ft (1.2m), 16s period with SW swell.
The current surf forecast for 4 Bobs at 3AM is: 0.8m 17s primary swell from a South-southwest direction and 0.9m 13s secondary swell from a South-southwest direction, 1.2m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am September 30). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 4ft (1.2m) | 16s |
| Afternoon (30 Sep) | 4.5ft (1.3m) | 16s |
| Evening (30 Sep) | 4ft (1.2m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 121mm), heaviest during Tue night. Warm (max 28°C on Tue night, min 24°C on Tue night). Winds decreasing (fresh winds from the SSE on Tue night, calm by Fri morning). | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 381 | 343 | 458 | 691 | 875 | 864 | 853 | 666 | 702 | 666 | 649 | 640 | 730 | 750 | 811 | 945 | 945 | 933 | 897 | 886 | 874 | 863 | 1288 | 840 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | cross-off | cross | cross | cross-on | cross-on | cross-on | glassy | on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | glassy | on | cross-on | on |
High Tide | 8:05AM0.92m | 8:29PM1.26m | 8:41AM0.83m | 9:10PM1.20m | 9:21AM0.73m | 10:00PM1.12m | ||||||||||||||||||
Low Tide | 2:11AM0.02m | 1:56PM-0.00m | 2:54AM0.06m | 2:32PM0.04m | 3:42AM0.14m | 3:11PM0.11m | ||||||||||||||||||
 | |  | | | |  | | | | |  | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 11 | 41 | 33 | 4 | 1 | 1 | — | — | 2 | 4 | 3 | — | 1 | 1 | 2 | 1 | — | 2 | 3 | 4 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 28 | 23 | 28 | 27 | 29 | 28 | 29 | 30 | 29 | 31 | 31 | 32 | 32 | 32 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 7 | S 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 304 | 273 | 117 | 338 | 875 | 864 | 853 | 666 | 702 | 666 | 649 | 640 | 730 | 750 | 811 | 945 | 945 | 933 | 897 | 886 | 874 | 863 | 1288 | 840 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 7 | S 7 | S 7 | S 10 | S 10 | S 7 | S 10 | SSE 7 | S 10 | S 10 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 10 | SSE 10 | SSW 9 |
| kJ | 381 | 343 | 458 | 691 | 100 | 100 | 82 | 247 | 208 | 67 | 198 | 69 | 196 | 231 | 180 | 162 | 129 | 126 | 129 | 173 | 16 | 30 | 33 | 29 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | SSW 13 | NW 8 | S 11 | S 10 | S 10 | WNW 7 | WNW 7 | S 10 | WNW 7 | S 10 | WNW 7 | WNW 7 | SSE 12 | WNW 7 | SSE 11 | SSE 11 | SSE 11 | NW 7 | S 10 | WNW 7 | W 15 | W 15 |
| kJ | 82 | 84 | 212 | 2 | 85 | 56 | 54 | 5 | 5 | 54 | 5 | 69 | 5 | 5 | 15 | 5 | 25 | 25 | 25 | 2 | 8 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | — | — | — | — | — | — | — | — | — | — | SSE 7 | SSE 7 | — | — | SSE 7 | — | — | — | S 8 | S 10 | SSE 10 | SSE 9 |
| kJ | 106 | 115 | — | — | — | — | — | — | — | — | — | — | 65 | 72 | — | — | 47 | — | — | — | 134 | 188 | 163 | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 489 | 321 | 155 | 7 | 7 | 0 | 10 | 82 | 155 | 155 | 103 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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