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Surf Forecasts:
4 Bobs surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Thursday 07 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 7PM is: 1.3m 16s primary swell from a South-southwest direction and 0.8m 10s secondary swell from a South direction, 0.2m 6s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 07). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 3.5ft (1.1m) | 18s |
| Afternoon (07 May) | 4.5ft (1.3m) | 17s |
| Evening (07 May) | 4ft (1.2m) | 16s |
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 81mm), heaviest during Thu night. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SW 16 | 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 | |
799 | 905 | 975 | 875 | 757 | 757 | 929 | 917 | 894 | 860 | 640 | 623 | 536 | 536 | 529 | 476 | 401 | 395 | 328 | 257 | 261 | 261 | 257 | 257 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:35PM0.61m | 9:49AM0.96m | 10:32PM0.59m | 10:36AM0.91m | 00:16AM0.60m | |||||||||||||||||||
Low Tide | 3:51PM0.22m | 3:10AM0.26m | 4:39PM0.27m | 3:56AM0.34m | 5:35PM0.30m | 5:00AM0.41m | ||||||||||||||||||
 |  | |  | | |  |  | | | | | | | | | | |  | | | | | | |
 | 6:18 | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — |
 | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | 6:20 |
— | 1 | 1 | 3 | 1 | 6 | 8 | 7 | 6 | 5 | 6 | 2 | 2 | 8 | 8 | 5 | 2 | 1 | — | 1 | 1 | 1 | 3 | 3 | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 |
31 | 30 | 30 | 29 | 30 | 30 | 30 | 28 | 30 | 30 | 26 | 28 | 29 | 31 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 5 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 799 | 905 | 975 | 875 | 757 | 757 | 929 | 917 | 894 | 860 | 640 | 623 | 536 | 536 | 529 | 69 | 401 | 395 | 328 | 257 | 261 | 261 | 257 | 257 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | SSE 9 | SW 14 | W 8 | W 8 | W 8 | SSE 8 | S 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 345 | 205 | 205 | 122 | 117 | 113 | 109 | 65 | 82 | 80 | 61 | 61 | 39 | 39 | 43 | 476 | 64 | 82 | 61 | 55 | 50 | 38 | 38 | 37 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SW 13 | SW 13 | SW 12 | W 8 | SW 12 | SW 12 | W 13 | W 16 | S 20 | S 19 | S 19 | S 18 | SSE 9 | SW 5 | S 8 | S 8 | W 8 | W 8 | W 8 | W 7 | W 7 |
| kJ | 127 | 96 | 96 | 199 | 163 | 92 | 31 | 69 | 69 | 3 | 5 | 7 | 7 | 28 | 25 | 58 | 20 | 71 | 52 | 43 | 28 | 29 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 6 | WSW 6 | — | — | — | WSW 5 | WSW 6 | WSW 7 | WSW 6 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | W 6 | — | — | NNE 4 | NNE 4 | NNE 4 | N 3 | NW 3 | NW 3 |
| kJ | — | — | 7 | 3 | — | — | — | 46 | 200 | 247 | 260 | 372 | 384 | 176 | 91 | 101 | — | — | 6 | 5 | 2 | 2 | 5 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 159 | 153 | 103 | 103 | 7 | 80 | 29 | 80 | 692 | 82 | 80 | 2 | 0 | 0 | 35 | 19 | 10 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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