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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Wednesday 29 Apr 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 10PM is: 1.6m 15s primary swell from a South-southwest direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm April 29). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | - | - |
| Afternoon (29 Apr) | 4.5ft (1.4m) | 16s |
| Evening (29 Apr) | 5ft (1.6m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed night. Warm (max 29°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | |
1123 | 1493 | 1265 | 1184 | 1021 | 980 | 862 | 1204 | 636 | 1038 | 1133 | 1121 | 956 | 930 | 854 | 841 | 829 | 790 | 790 | 790 | 693 | 683 | 491 | 408 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | glassy | cross-on | |
High Tide | 4:50PM0.71m | 5:16AM0.92m | 5:29PM0.69m | 5:47AM0.96m | 6:04PM0.66m | 6:17AM0.98m | ||||||||||||||||||
Low Tide | 10:45PM0.15m | 11:45AM0.15m | 11:12PM0.13m | 12:19PM0.11m | 11:38PM0.11m | 12:51PM0.08m | ||||||||||||||||||
 |  | | | | | |  |  |  |  |  | |  | | | | | | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | 6:15 |
1 | 3 | 3 | 5 | 2 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | |
Temp °C | 29 | 28 | 28 | 26 | 25 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 29 | 29 |
33 | 32 | 32 | 29 | 29 | 29 | 30 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 33 | 33 | 32 | 31 | 32 | 31 | 31 | 31 | 34 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 1123 | 1493 | 1265 | 1184 | 1021 | 980 | 862 | 1204 | 621 | 1038 | 1133 | 1121 | 956 | 930 | 854 | 841 | 829 | 790 | 790 | 790 | 693 | 683 | 491 | 408 |
Swell 2 Height (m) Direction Period (s) | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 8 | W 16 | SSW 16 | SW 14 | SW 15 | SW 15 | SW 15 | W 16 | W 15 | W 15 | SE 8 | W 14 | W 14 | W 14 | S 18 | S 18 | S 8 | S 7 |
| kJ | 210 | 251 | 251 | 206 | 159 | 198 | 33 | 5 | 636 | 341 | 104 | 75 | 33 | 5 | 4 | 4 | 15 | 4 | 4 | 4 | 25 | 25 | 42 | 26 |
Swell 3 Height (m) Direction Period (s) | SW 14 | W 18 | W 18 | W 18 | W 18 | W 18 | SW 15 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | — | — | — | W 14 | W 14 | — | W 14 | W 14 | W 14 | SSW 18 | SSW 17 |
| kJ | 66 | 6 | 6 | 6 | 6 | 6 | 107 | 5 | 5 | 5 | 5 | 20 | 20 | — | — | — | 4 | 4 | — | 4 | 4 | 4 | 61 | 99 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 161 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 62 | 168 | 62 | 3 | 3 | 3 | 3 | 0 | 84 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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