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Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 6 am Thursday 30 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
30.3° C
(Which is slightly warmer than usual)How big are the waves at Thailand today?
The current surf forecast for Thailand at 12PM is: 1.2m 15s primary swell from a South direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 06:00am April 30). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 4ft (1.2m) | 15s |
| Afternoon (30 Apr) | 4ft (1.2m) | 15s |
| Evening (30 Apr) | 3.5ft (1.1m) | 14s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Fri night. Warm (max 30°C on Thu afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 16 | SSW 15 | S 15 | S 15 | S 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | |
516 | 711 | 653 | 644 | 627 | 631 | 425 | 425 | 400 | 893 | 763 | 754 | 833 | 778 | 724 | 704 | 604 | 613 | 622 | 631 | 529 | 499 | 454 | 454 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | on | on | on | on | on | on | glassy | on | on | cross-on | cross | cross-off | |
High Tide | 5:33AM0.66m | 5:38PM0.51m | 6:01AM0.69m | 6:09PM0.49m | 6:30AM0.71m | 6:39PM0.46m | ||||||||||||||||||
Low Tide | 11:56AM0.10m | 11:28PM0.05m | 12:28PM0.07m | 11:51PM0.04m | 12:58PM0.06m | 00:14AM0.03m | ||||||||||||||||||
 |  |  | | |  | |  | |  | | | |  | |  | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | 6:24 |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | 6:37 |
— | — | 1 | 2 | — | — | — | — | — | — | 2 | 5 | 1 | 2 | 1 | 6 | 8 | 4 | 3 | 1 | — | — | — | — | |
Temp °C | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 26 | 26 | 27 | 28 | 29 | 28 | 28 | 27 |
33 | 34 | 35 | 33 | 34 | 33 | 33 | 34 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 31 | 29 | 29 | 31 | 31 | 31 | 31 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 16 | SSW 15 | S 15 | S 15 | S 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 516 | 711 | 653 | 644 | 627 | 631 | 425 | 425 | 400 | 893 | 763 | 754 | 833 | 778 | 724 | 704 | 604 | 613 | 622 | 631 | 529 | 499 | 454 | 454 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 16 | SW 14 | SW 14 | SW 14 | — | — | — | — | — | — | S 20 | — | S 18 | S 18 | S 18 | S 17 |
| kJ | 361 | 361 | 251 | 242 | 209 | 209 | 209 | 209 | 359 | 206 | 100 | 89 | — | — | — | — | — | — | 7 | — | 25 | 25 | 25 | 50 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSE 8 | — | S 11 | — | S 18 | S 17 | SSW 17 | SW 14 | — | S 8 | SW 13 | — | — | — | — | — | — | — | — | — | W 13 | W 13 | W 13 |
| kJ | 134 | 14 | — | 79 | — | 222 | 287 | 286 | 206 | — | 21 | 61 | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 94 | 94 | 118 | 207 | 192 | 0 | 0 | 94 | 118 | 118 | 118 | 118 | 118 | 118 | 118 | 0 | 118 | 118 | 118 | 118 | 0 |
Best forecast wave conditions in Simeulue Island | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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