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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 pm Saturday 23 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 7PM is: 1.3m 14s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 23). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 4.5ft (1.3m) | 14s |
| Afternoon (23 May) | 4.5ft (1.4m) | 14s |
| Evening (23 May) | 4ft (1.2m) | 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 33mm), heaviest during Sat night. Warm (max 29°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 15 | SSW 15 | SSW 12 | SSW 13 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 16 | |
604 | 711 | 742 | 644 | 540 | 479 | 465 | 394 | 394 | 394 | 357 | 326 | 264 | 184 | 147 | 144 | 154 | 187 | 212 | 683 | 805 | 854 | 1061 | 964 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:20AM0.61m | 12:08PM0.75m | 1:34AM0.67m | 1:18PM0.67m | 2:35AM0.75m | |||||||||||||||||||
Low Tide | 6:01PM0.18m | 5:39AM0.34m | 6:58PM0.20m | 7:26AM0.37m | 7:50PM0.21m | |||||||||||||||||||
 | |  |  | | |  |  |  | | |  | | | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | 6:15 |
2 | 1 | — | 3 | 5 | 5 | 3 | 1 | — | — | — | — | 1 | 2 | — | 1 | 1 | — | 2 | — | 2 | 1 | 1 | 2 | |
Temp °C | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 25 | 26 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 27 |
31 | 32 | 32 | 31 | 30 | 30 | 28 | 28 | 28 | 31 | 30 | 30 | 29 | 29 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | WNW 9 | SSW 12 | WNW 9 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 16 |
 kJ | 604 | 711 | 742 | 644 | 540 | 479 | 465 | 394 | 394 | 394 | 357 | 326 | 264 | 184 | 147 | 144 | 90 | 187 | 103 | 683 | 805 | 854 | 1061 | 964 |
Swell 2 Height (m) Direction Period (s) | S 8 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | S 8 | SSE 8 | S 9 | SW 15 | SW 12 | SSW 16 | SSW 13 | WNW 9 | WNW 9 | W 9 | WNW 9 | WNW 9 |
| kJ | 32 | 30 | 35 | 37 | 37 | 37 | 56 | 82 | 86 | 59 | 67 | 67 | 20 | 20 | 40 | 139 | 144 | 175 | 212 | 86 | 84 | 119 | 101 | 101 |
Swell 3 Height (m) Direction Period (s) | WNW 7 | S 8 | W 14 | SE 8 | S 8 | SE 8 | SE 8 | S 7 | S 8 | S 9 | SW 18 | S 8 | SW 18 | SW 15 | SW 15 | S 9 | SSW 15 | S 9 | SW 16 | S 9 | WSW 6 | S 8 | SSE 8 | SSE 8 |
| kJ | 30 | 32 | 4 | 2 | 20 | 2 | 2 | 17 | 19 | 24 | 13 | 21 | 49 | 54 | 76 | 41 | 154 | 40 | 208 | 39 | 31 | 36 | 40 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 2 | N 3 | N 3 | N 3 | N 4 | N 4 | NW 8 | WNW 8 | WNW 8 | WNW 9 | — | WNW 9 | — | NNW 4 | NNW 4 | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 3 | 2 | 2 | 9 | 13 | 64 | 78 | 84 | 99 | — | 113 | — | 3 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 84 | 84 | 84 | 40 | 0 | 84 | 84 | 31 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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