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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Sunday 24 May 2026 WIBForecast update in hr min s Forecast update imminent
Thunders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thunders sea temperature is
30.2° C
(Which is slightly warmer than usual)How big are the waves at Thunders today?
The current surf forecast for Thunders at 4PM is: 1.0m 13s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 24). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 3.5ft (1.1m) | 13s |
| Afternoon (24 May) | 3.5ft (1.1m) | 13s |
| Evening (24 May) | 3ft (0.9m) | 12s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Sun night. Warm (max 29°C on Sun afternoon, min 26°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 13 | SW 13 | SSW 13 | SW 13 | SSW 12 | SW 12 | SW 12 | SW 15 | SSW 15 | SSW 12 | SW 16 | SW 16 | SSW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | |
394 | 394 | 357 | 326 | 264 | 209 | 147 | 144 | 154 | 187 | 264 | 748 | 907 | 854 | 1061 | 1084 | 1044 | 1239 | 1224 | 1193 | 1133 | 1059 | 1045 | 915 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | |
High Tide | 1:34AM0.67m | 1:18PM0.67m | 2:35AM0.75m | 2:26PM0.62m | 3:24AM0.82m | |||||||||||||||||||
Low Tide | 6:58PM0.20m | 7:26AM0.37m | 7:50PM0.21m | 8:59AM0.34m | 8:34PM0.21m | |||||||||||||||||||
 |  |  |  |  |  | | | | | | | | | | | | | | |  | | |  | |
 | 6:16 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | 6:15 |
1 | — | — | — | — | 5 | 3 | — | — | — | 3 | 1 | 1 | — | 1 | — | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 26 | 27 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 |
27 | 27 | 30 | 29 | 29 | 28 | 28 | 27 | 30 | 30 | 30 | 30 | 31 | 31 | 29 | 30 | 31 | 31 | 31 | 33 | 32 | 32 | 30 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SSW 13 | SW 13 | SSW 12 | SW 12 | WNW 8 | SW 12 | WNW 9 | SSW 12 | SW 13 | SW 16 | SSW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 |
 kJ | 394 | 394 | 357 | 326 | 264 | 209 | 80 | 144 | 90 | 187 | 167 | 748 | 907 | 854 | 1061 | 1084 | 1044 | 1239 | 1224 | 1193 | 1133 | 1059 | 1045 | 915 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | S 8 | WNW 8 | S 8 | S 8 | SSE 8 | SW 12 | SW 15 | SW 12 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 20 |
| kJ | 78 | 21 | 26 | 21 | 20 | 20 | 147 | 139 | 144 | 90 | 90 | 88 | 88 | 88 | 68 | 68 | 86 | 64 | 62 | 57 | 57 | 54 | 53 | 306 |
Swell 3 Height (m) Direction Period (s) | S 7 | SE 7 | SW 18 | SSW 18 | SW 18 | SW 15 | SW 15 | S 9 | SSW 15 | SSW 16 | SW 16 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSE 8 |
| kJ | 10 | 2 | 13 | 31 | 49 | 54 | 76 | 41 | 154 | 175 | 264 | 39 | 35 | 36 | 36 | 40 | 40 | 57 | 58 | 55 | 54 | 39 | 39 | 37 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NW 8 | NW 5 | WNW 8 | WNW 6 | WNW 6 | NNW 4 | WNW 9 | NNW 4 | NNW 4 | NNW 4 | — | — | — | — | WNW 9 | WNW 9 | WNW 8 | WNW 8 | — | — | — | — | — |
| kJ | 4 | 98 | 23 | 84 | 49 | 53 | 5 | 88 | 3 | 3 | 1 | — | — | — | — | 30 | 30 | 28 | 28 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 84 | 84 | 84 | 0 | 0 | 0 | 0 | 84 | 84 | 84 | 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 | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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