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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Friday 01 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
30.1° C
(Which is slightly warmer than usual)How big are the waves at Thunders today?
The current surf forecast for Thunders at 11AM is: 1.5m 14s primary swell from a South-southwest direction and 0.1m 15s secondary swell from a West direction (forecast issued at 06:00am May 01). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 5ft (1.5m) | 14s |
| Afternoon (01 May) | 5ft (1.5m) | 14s |
| Evening (01 May) | 5ft (1.5m) | 14s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Fri night. Warm (max 29°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 12 | SSW 13 | SSW 14 | SSW 12 | |
911 | 930 | 854 | 841 | 790 | 790 | 790 | 790 | 643 | 553 | 491 | 408 | 476 | 469 | 440 | 341 | 277 | 277 | 237 | 210 | 241 | 212 | 195 | 237 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | on | on | on | glassy | cross-off | cross-off | cross-off | glassy | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross-off | glassy | glassy | glassy | |
High Tide | 5:47AM0.96m | 6:04PM0.66m | 6:17AM0.98m | 6:38PM0.63m | 6:47AM0.98m | 7:09PM0.60m | ||||||||||||||||||
Low Tide | 12:19PM0.11m | 11:38PM0.11m | 12:51PM0.08m | 00:05AM0.10m | 1:23PM0.07m | 00:33AM0.10m | ||||||||||||||||||
 |  |  |  | |  | | | |  | | | | | | | | | | | | |  | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | 6:16 |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | 6:15 |
5 | 1 | — | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | |
Temp °C | 26 | 26 | 27 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 |
29 | 30 | 31 | 32 | 31 | 32 | 32 | 29 | 26 | 27 | 32 | 33 | 31 | 31 | 32 | 31 | 31 | 31 | 32 | 33 | 33 | 32 | 32 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SW 13 | SSW 12 |
 kJ | 911 | 930 | 854 | 841 | 790 | 790 | 790 | 790 | 643 | 553 | 491 | 408 | 476 | 469 | 440 | 341 | 277 | 277 | 237 | 184 | 241 | 212 | 167 | 237 |
Swell 2 Height (m) Direction Period (s) | SW 15 | W 16 | W 15 | S 7 | W 14 | W 14 | W 14 | W 14 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 16 | S 16 | S 16 | S 7 | SSW 15 | SSW 15 | S 15 | SSW 14 | S 14 | SSW 13 | SSW 14 | S 8 |
| kJ | 33 | 5 | 4 | 26 | 4 | 4 | 4 | 4 | 36 | 31 | 30 | 26 | 134 | 132 | 131 | 37 | 228 | 225 | 155 | 210 | 132 | 187 | 195 | 44 |
Swell 3 Height (m) Direction Period (s) | W 16 | — | — | — | — | — | — | — | S 18 | S 18 | SSW 18 | SSW 17 | W 13 | W 13 | W 13 | S 16 | S 7 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 13 |
| kJ | 5 | — | — | — | — | — | — | — | 25 | 25 | 61 | 99 | 3 | 3 | 3 | 177 | 38 | 39 | 44 | 45 | 46 | 45 | 61 | 92 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 3 | NE 3 | ENE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 3 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 3 | 32 | 127 | 3 | 0 | 0 | 31 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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