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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Friday 08 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
30.6° C
(Which is slightly warmer than usual)How big are the waves at 4 Bobs today?
The current surf forecast for 4 Bobs at 11AM is: 1.4m 16s primary swell from a Southwest direction and 0.8m 8s secondary swell from a West-southwest direction (forecast issued at 06:00am May 08). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 4.5ft (1.4m) | 16s |
| Afternoon (08 May) | 4ft (1.2m) | 15s |
| Evening (08 May) | 3.5ft (1.1m) | 14s |
Table - waves today at 4 Bobs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Sat night. Warm (max 28°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | |
929 | 917 | 894 | 860 | 640 | 623 | 536 | 536 | 529 | 476 | 401 | 395 | 328 | 257 | 261 | 261 | 257 | 257 | 257 | 257 | 264 | 288 | 288 | 276 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | cross-off | off | glassy | glassy | cross-off | cross | cross-off | off | off | off | cross-off | glassy | cross-off | cross-off | glassy | glassy | glassy | |
High Tide | 9:49AM0.96m | 10:32PM0.59m | 10:36AM0.91m | 00:16AM0.60m | 11:46AM0.87m | |||||||||||||||||||
Low Tide | 3:10AM0.26m | 4:39PM0.27m | 3:56AM0.34m | 5:35PM0.30m | 5:00AM0.41m | 6:38PM0.31m | ||||||||||||||||||
 |  | | | | | | |  | | | |  | |  | | |  |  | | |  | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | 6:20 |
5 | 4 | 3 | 1 | 3 | 2 | 2 | 1 | — | 2 | 4 | 1 | — | 2 | 8 | 7 | 24 | 10 | — | — | — | — | — | — | |
Temp °C | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 28 | 27 |
32 | 30 | 30 | 29 | 30 | 30 | 31 | 30 | 31 | 32 | 31 | 31 | 31 | 32 | 29 | 27 | 28 | 29 | 29 | 30 | 32 | 33 | 33 | 31 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 929 | 917 | 894 | 860 | 640 | 623 | 536 | 536 | 529 | 476 | 401 | 395 | 328 | 257 | 261 | 261 | 257 | 257 | 257 | 257 | 264 | 288 | 288 | 276 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | WSW 8 | WSW 7 | WSW 7 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 68 | 65 | 75 | 73 | 91 | 88 | 71 | 74 | 58 | 61 | 64 | 64 | 45 | 40 | 39 | 38 | 37 | 37 | 36 | 35 | 35 | 35 | 35 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 5 | SW 5 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | W 8 | W 8 | W 8 | WNW 7 | WNW 7 | WNW 7 | W 7 | WNW 7 | WNW 7 | W 7 | W 7 |
| kJ | 14 | 19 | 82 | 80 | 80 | 61 | 80 | 56 | 61 | 67 | 65 | 64 | 40 | 44 | 29 | 29 | 18 | 18 | 18 | 9 | 9 | 9 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 9 | — | — | WSW 3 | — | — | NNW 3 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 61 | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 35 | 82 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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