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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Saturday 30 May 2026 WIBForecast update in hr min s Forecast update imminent
4 Bobs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 4 Bobs sea temperature is
30.3° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today (30 May):
- Morning surf: Morning surf (30 May, local time) - 5.5ft (1.7m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 5.5ft (1.7m), 13s period with SSW swell.
- Evening surf: Evening surf (30 May, local time) - 5ft (1.6m), 13s period with SSW swell.
The current surf forecast for 4 Bobs at 4AM is: 1.8m 13s primary swell from a South-southwest direction and 0.3m 8s secondary swell from a West-northwest direction (forecast issued at 12:00am May 30). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 5.5ft (1.7m) | 13s |
| Afternoon (30 May) | 5.5ft (1.7m) | 13s |
| Evening (30 May) | 5ft (1.6m) | 13s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 28°C on Fri night, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | |
1222 | 1186 | 987 | 987 | 987 | 824 | 812 | 668 | 647 | 598 | 598 | 598 | 589 | 589 | 469 | 461 | 454 | 402 | 436 | 455 | 576 | 568 | 612 | 617 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 5:38AM1.15m | 6:02PM0.74m | 6:13AM1.16m | 6:40PM0.73m | 6:48AM1.16m | 7:15PM0.71m | ||||||||||||||||||
Low Tide | 10:40PM0.19m | 12:08PM0.17m | 11:15PM0.17m | 12:39PM0.13m | 11:51PM0.14m | 1:12PM0.11m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | |  | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
— | 1 | — | 1 | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
34 | 32 | 32 | 33 | 32 | 32 | 33 | 33 | 33 | 32 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
 kJ | 1222 | 1186 | 987 | 987 | 987 | 824 | 812 | 668 | 647 | 598 | 598 | 598 | 589 | 589 | 469 | 461 | 454 | 372 | 337 | 280 | 576 | 568 | 612 | 617 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 12 | 12 | 20 | 21 | 21 | 13 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 119 | 193 | 234 | 330 | 402 | 436 | 455 | 275 | 226 | 222 | 161 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 8 | W 14 | W 14 | W 14 | W 10 | SE 7 | SE 7 | W 13 | SSW 18 | SSW 18 | SSW 18 | SW 18 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
| kJ | 9 | 6 | 4 | 4 | 4 | 2 | 2 | 2 | 4 | 31 | 31 | 62 | 80 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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