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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Monday 04 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 5PM is: 1.1m 12s primary swell from a South-southwest direction and 0.4m 15s secondary swell from a South direction (forecast issued at 12:00pm May 04). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 2.5ft (0.8m) | 13s |
| Afternoon (04 May) | 3.5ft (1.1m) | 12s |
| Evening (04 May) | 3.5ft (1.1m) | 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 13mm), heaviest on Tue night. Warm (max 29°C on Tue morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 20 | SW 20 | SW 14 | SW 18 | SW 18 | SW 18 | |
215 | 379 | 367 | 353 | 353 | 258 | 263 | 375 | 516 | 679 | 470 | 437 | 651 | 719 | 710 | 572 | 542 | 535 | 552 | 528 | 393 | 635 | 808 | 799 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross | glassy | cross-on | cross | cross-off | glassy | glassy | glassy | glassy | off | off | glassy | |
High Tide | 7:41PM0.56m | 7:50AM0.93m | 8:12PM0.53m | 8:23AM0.89m | 8:45PM0.49m | |||||||||||||||||||
Low Tide | 1:56PM0.08m | 1:02AM0.11m | 2:30PM0.11m | 1:32AM0.14m | 3:07PM0.15m | 2:02AM0.18m | ||||||||||||||||||
 |  | |  |  | | |  | | | | |  | |  | |  | | | | | | | | |
 | 6:16 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | 6:15 |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | 3 | 4 | 1 | 1 | — | — | — | — | 1 | — | — | 1 | |
Temp °C | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
31 | 32 | 31 | 30 | 30 | 30 | 29 | 32 | 33 | 33 | 32 | 31 | 31 | 31 | 30 | 29 | 30 | 31 | 32 | 32 | 32 | 30 | 30 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 | SSW 12 | S 10 | S 11 | S 10 | S 10 | S 10 | S 11 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 18 | SW 18 | SW 18 |
 kJ | 215 | 379 | 367 | 353 | 353 | 258 | 206 | 269 | 249 | 244 | 244 | 223 | 651 | 719 | 710 | 572 | 542 | 535 | 528 | 528 | 393 | 635 | 808 | 799 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 16 | S 15 | SW 20 | SW 19 | SSE 11 | SSW 12 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | S 10 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SW 14 | SW 14 | SW 13 |
| kJ | 178 | 45 | 69 | 134 | 236 | 69 | 123 | 375 | 516 | 679 | 470 | 437 | 218 | 227 | 214 | 218 | 225 | 184 | 184 | 184 | 177 | 327 | 304 | 345 |
Swell 3 Height (m) Direction Period (s) | S 16 | WSW 21 | SW 20 | S 15 | S 15 | SW 19 | SW 18 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 22 | SW 22 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 | SW 19 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 78 | 44 | 61 | 67 | 68 | 231 | 263 | 71 | 72 | 71 | 69 | 49 | 46 | 118 | 227 | 117 | 214 | 392 | 552 | 455 | 384 | 173 | 167 | 163 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 84 | 84 | 84 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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