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Surf Forecasts:
Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 am Tuesday 28 Apr 2026 WIBForecast update in hr min s Forecast update imminent
Thailand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thailand sea temperature is
30.5° C
(Which is slightly warmer than usual)How big are the waves at Thailand today?
The current surf forecast for Thailand at 5AM is: 1.1m 13s primary swell from a South direction and 0.5m 17s secondary swell from a South direction (forecast issued at 12:00am April 28). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 3.5ft (1.1m) | 12s |
| Afternoon (28 Apr) | 3.5ft (1.0m) | 12s |
| Evening (28 Apr) | 3ft (0.9m) | 12s |
Table - waves today at Thailand. (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 30°C on Thu morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 20 | S 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 17 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | S 15 | SSW 14 | SSW 14 | |
483 | 475 | 383 | 359 | 294 | 224 | 224 | 224 | 282 | 369 | 442 | 427 | 427 | 510 | 576 | 548 | 535 | 516 | 711 | 653 | 644 | 636 | 631 | 425 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | glassy | glassy | on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross | cross | cross-off | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | on | |
High Tide | 4:31AM0.54m | 4:26PM0.54m | 5:03AM0.61m | 5:04PM0.53m | 5:33AM0.66m | 5:38PM0.51m | ||||||||||||||||||
Low Tide | 10:18PM0.11m | 10:38AM0.17m | 10:43PM0.09m | 11:20AM0.13m | 11:06PM0.07m | 11:56AM0.10m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  | |  | | |  | | | | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
— | 1 | 1 | 1 | — | — | — | — | 3 | 3 | — | 1 | — | 1 | — | — | — | — | — | — | — | 1 | 1 | 4 | |
Temp °C | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 28 |
33 | 31 | 32 | 34 | 34 | 33 | 33 | 32 | 33 | 32 | 32 | 33 | 34 | 33 | 33 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 18 | SSW 18 | S 17 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | S 15 | SSW 14 | SSW 14 |
 kJ | 483 | 475 | 383 | 359 | 294 | 224 | 224 | 224 | 224 | 202 | 166 | 157 | 427 | 510 | 576 | 548 | 535 | 516 | 711 | 653 | 644 | 636 | 631 | 425 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 19 | SSW 18 | SSW 18 | S 11 | S 13 | SSW 11 | S 11 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 |
| kJ | 97 | 148 | 130 | 183 | 181 | 179 | 155 | 155 | 153 | 369 | 442 | 427 | 154 | 272 | 170 | 205 | 427 | 361 | 251 | 251 | 242 | 209 | 209 | 209 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 20 | SW 20 | SW 15 | S 20 | S 20 | S 14 | SW 18 | SW 18 | SW 18 | SW 13 | SW 14 | SW 16 | S 11 | S 12 | SSE 8 | — | S 10 | — | S 18 | S 17 |
| kJ | 41 | 41 | 40 | 40 | 98 | 134 | 134 | 200 | 282 | 200 | 307 | 252 | 194 | 88 | 179 | 366 | 127 | 134 | 14 | — | 78 | — | 222 | 287 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 14 | 14 | 0 | 0 | 118 | 118 | 118 | 0 | 0 | 0 | 0 | 0 | 118 | 207 | 0 | 125 | 0 | 0 | 0 | 118 | 118 | 118 | 94 |
Best forecast wave conditions in Simeulue Island | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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