Surf Forecasts:
How big are the waves at 4 Bobs today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 5ft (1.6m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.6m), 17s period with SSW swell.
- Evening surf: Evening surf (10 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
The current surf forecast for 4 Bobs at 2AM is: 1.2m 14s primary swell from a South-southwest direction and 0.8m 18s secondary swell from a South-southwest direction, 1.5m 10s secondary swell from a South-southeast direction (forecast issued at 06:00pm September 09). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 5ft (1.6m) | 16s |
| Afternoon (10 Sep) | 5ft (1.6m) | 17s |
| Evening (10 Sep) | 5.5ft (1.7m) | 16s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Thu night. Warm (max 28°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | |||||||||||||||||
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) | S 15 | S 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SW 21 |
Wave Graph  | |||||||||||||||||||
 kJ | 1689 | 1666 | 1076 | 494 | 962 | 1305 | 1338 | 1473 | 1657 | 1614 | 1373 | 1498 | 1498 | 1339 | 1288 | 1206 | 1059 | 974 | 1302 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 5:22PM0.87m | 5:32AM1.19m | 6:03PM1.00m | 6:14AM1.21m | 6:40PM1.11m | ||||||||||||||
Low Tide | 10:59PM0.18m | 11:56AM0.07m | 11:49PM0.11m | 12:25PM0.03m | |||||||||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | — | 1 | — | — | — | 1 | 2 | — | 1 | 2 | 3 | 5 | 6 | 4 | 3 | 1 | 1 | 2 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 29 | 28 | 27 | 28 | 28 | 30 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 29 | 28 | 30 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SW 15 |
| kJ | 1689 | 1666 | 1076 | 494 | 962 | 1305 | 1338 | 1473 | 1657 | 1614 | 1373 | 1498 | 1498 | 1339 | 1288 | 1206 | 1059 | 974 | 869 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SSW 18 | SSW 18 | SSW 18 | W 10 | W 16 | W 11 | W 11 | W 11 | SSW 26 | SSW 26 | SSW 26 | SSW 26 | SW 24 | SW 24 | SW 24 | SW 24 | SW 22 | SW 21 |
| kJ | 98 | 283 | 360 | 404 | 2 | 5 | 2 | 2 | 2 | 66 | 66 | 66 | 64 | 197 | 347 | 271 | 195 | 372 | 1302 |
Swell 3 Height (m) Direction Period (s) | W 10 | S 13 | NW 10 | SW 15 | W 16 | W 16 | — | — | SW 26 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 24 | W 24 |
| kJ | 2 | 84 | 4 | 106 | 5 | 5 | — | — | 28 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | S 15 | SSE 12 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 11 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 |
| kJ | — | 1358 | 336 | 416 | 458 | 370 | 431 | 359 | 320 | 353 | 326 | 353 | 301 | 318 | 301 | 248 | 253 | 248 | 227 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 489 | 489 | 7 | 7 | 7 | 7 | 7 | 7 | 389 | 389 | 7 | 7 | 7 | 7 | 7 | 7 | 324 | 321 | 7 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
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