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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Friday 15 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
30.3° C
(Which is slightly warmer than usual)How big are the waves at Thunders today?
The current surf forecast for Thunders at 6AM is: 1.7m 16s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a West direction (forecast issued at 12:00am May 15). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5.5ft (1.7m) | 15s |
| Afternoon (15 May) | 5.5ft (1.7m) | 14s |
| Evening (15 May) | 5.5ft (1.7m) | 14s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 42mm), heaviest during Fri night. Warm (max 28°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 14 | SSW 14 | SSW 13 | S 13 | SSW 13 | S 16 | |
765 | 1455 | 1437 | 1275 | 1240 | 1223 | 1017 | 1053 | 961 | 841 | 829 | 817 | 711 | 530 | 530 | 288 | 389 | 386 | 500 | 500 | 378 | 427 | 290 | 422 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:31AM0.97m | 4:47PM0.67m | 5:12AM1.07m | 5:36PM0.66m | 5:56AM1.13m | 6:24PM0.63m | ||||||||||||||||||
Low Tide | 11:04AM0.11m | 10:30PM0.07m | 11:53AM0.03m | 11:11PM0.04m | 12:42PM-0.02m | |||||||||||||||||||
 | |  | |  | | | | | |  | | | |  | | |  | |  | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — |
1 | 1 | — | — | 1 | 2 | 3 | 2 | 3 | 5 | 9 | 6 | 2 | 1 | — | — | — | — | — | — | 1 | 1 | 4 | 2 | |
Temp °C | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 25 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
32 | 30 | 32 | 32 | 33 | 33 | 32 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 28 | 28 | 30 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 14 | SSW 14 | SSW 13 | S 13 | SSW 13 | S 13 |
 kJ | 765 | 1455 | 1437 | 1275 | 1240 | 1223 | 1017 | 1053 | 961 | 841 | 829 | 817 | 711 | 530 | 530 | 288 | 389 | 386 | 500 | 500 | 378 | 427 | 290 | 340 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | S 16 |
| kJ | 437 | 32 | 33 | 33 | 33 | 33 | 50 | 51 | 51 | 52 | 77 | 78 | 78 | 79 | 106 | 111 | 101 | 144 | 108 | 101 | 101 | 101 | 103 | 422 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SE 8 | SE 8 | SE 8 | SE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SW 16 | SW 16 | SSW 15 | S 15 | SW 14 | SW 15 | SW 14 | S 18 | S 18 | S 16 | WNW 9 |
| kJ | 261 | 32 | 28 | 28 | 27 | 20 | 19 | 12 | 12 | 11 | 11 | 11 | 7 | 157 | 90 | 234 | 165 | 96 | 75 | 102 | 97 | 152 | 190 | 82 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 5 | N 6 | N 4 | N 4 | N 4 | NNW 4 | N 6 | N 3 | NNW 3 | — | — | — | — | — | SE 7 |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 41 | 15 | 35 | 20 | 8 | 15 | 1 | 2 | — | — | — | — | — | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 84 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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