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Surf Forecasts:
Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 6 pm Monday 15 Sep 2025 WIB
How big are the waves at Thailand today?
The current surf forecast for Thailand at 12AM is: 1.3m 14s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a West direction (forecast issued at 06:00pm September 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 4.5ft (1.4m) | 15s |
| Evening (16 Sep) | 4.5ft (1.3m) | 14s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 963 | 829 | 772 | 753 | 731 | 730 | 765 | 861 | 886 | 967 | 1112 | 1061 | 1200 | 1495 | 1421 | 1476 | 1485 | 1399 | 1321 | 1171 | 1169 | 1127 | 991 | 956 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | glass | glass | glass | glass | glass | glass | glass | glass | glass | glass | glass | cross- on | on | glass | cross | glass | glass | cross | cross- on |
High Tide / height (m) | 12:54AM 0.53 | 2:04PM 0.24 | 2:48AM 0.54 | 4:04PM 0.31 | 3:59AM 0.59 | |||||||||||||||||||
Low Tide / height (m) | 4:16PM 0.15 | 9:47AM 0.19 | 6:24PM 0.21 | 10:38AM 0.14 | 9:10PM 0.19 | 11:09AM 0.10 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - |
| Sunset | 6:34 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - |
 |  | | | | | |  |  |  |  | | | |  | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 |
| Feels °C (?) | 28 | 29 | 30 | 29 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 31 | 32 | 30 | 31 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 31 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Simeulue Island
The wind is still cross-on at Thailand (light winds from the W at ASCATB97E2N 78 km from Thailand). 1.2m 14s groundswell from the SW with a 0.8m 8s swell from the W and a 0.3m 9s swell from the SSE. 3 swells combining to make bigger set waves.
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