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Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 6 am Tuesday 21 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
30.1° C
(Which is slightly warmer than usual)How big are the waves at Thailand today?
The current surf forecast for Thailand at 9AM is: 0.9m 14s primary swell from a South-southwest direction and 0.5m 4s secondary swell from a West direction (forecast issued at 06:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 14s |
| Afternoon (21 Apr) | 3ft (0.9m) | 14s |
| Evening (21 Apr) | 2.5ft (0.7m) | 13s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 20 | 20 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 242 | 367 | 321 | 290 | 282 | 180 | 178 | 178 | 175 | 171 | 156 | 276 | 485 | 365 | 404 | 639 | 759 | 546 | 868 | 1004 | 1004 | 930 | 743 | 1024 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- on | cross- off | cross | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | glass | glass | on | cross- on | cross | cross | cross |
High Tide / height (m) | 8:36AM 0.74 | 8:47PM 0.38 | 9:25AM 0.69 | 9:37PM 0.33 | 10:23AM 0.62 | 10:52PM 0.29 | ||||||||||||||||||
Low Tide / height (m) | 1:40AM -0.01 | 3:17PM 0.07 | 2:14AM 0.03 | 4:20PM 0.13 | 2:51AM 0.09 | 5:52PM 0.17 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - |
 |  | |  | |  |  | | |  | | | |  | | | | |  | | |  | | | |
Rain (mm) | 6 | 3 | 1 | - | - | - | - | - | - | - | - | 1 | 5 | 6 | 5 | 3 | 3 | 1 | - | - | 1 | - | - | 2 |
| Temp. °C | 26 | 25 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 |
| Feels °C (?) | 28 | 30 | 29 | 29 | 30 | 29 | 30 | 31 | 30 | 31 | 32 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 33 | 33 | 32 | 31 | 32 | 31 |
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FREE! Surf-Forecast.com widget for your website
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