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Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 am Monday 11 May 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 8AM is: 0.9m 14s primary swell from a Southwest direction and 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 12:00am May 11). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 14s |
| Afternoon (11 May) | 3ft (0.9m) | 13s |
| Evening (11 May) | 2.5ft (0.8m) | 13s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Tue night. Warm (max 29°C on Mon morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SW 18 | SW 15 | SSW 14 | SW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | |
288 | 293 | 293 | 257 | 249 | 245 | 215 | 212 | 212 | 437 | 319 | 496 | 545 | 955 | 1126 | 1126 | 1098 | 1014 | 807 | 796 | 785 | 774 | 672 | 653 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | |
High Tide | 1:58AM0.36m | 1:18PM0.50m | 3:01AM0.44m | 2:27PM0.51m | 3:42AM0.53m | 3:24PM0.52m | ||||||||||||||||||
Low Tide | 6:36AM0.29m | 8:30PM0.16m | 8:30AM0.27m | 9:09PM0.12m | 9:40AM0.22m | 9:44PM0.08m | ||||||||||||||||||
 |  |  |  | | | | | | | | |  | | | |  | | | | | | |  | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 5 | 4 | 2 | 3 | 1 | — | 2 | 3 | |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 27 |
33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 33 | 34 | 34 | 33 | 33 | 34 | 31 | 31 | 32 | 32 | 33 | 34 | 32 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 15 | SW 15 | SSW 14 | SW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 288 | 293 | 293 | 257 | 249 | 245 | 215 | 212 | 212 | 437 | 272 | 496 | 545 | 955 | 1126 | 1126 | 1098 | 1014 | 807 | 796 | 785 | 774 | 672 | 653 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 19 | SW 12 | SW 18 | SSW 18 | W 8 | W 8 | W 8 | W 8 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 23 | 22 | 22 | 22 | 24 | 127 | 127 | 127 | 171 | 173 | 147 | 319 | 390 | 29 | 29 | 29 | 29 | 39 | 52 | 51 | 49 | 48 | 45 | 44 |
Swell 3 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SSE 9 | SSE 8 | SSW 19 | SSW 20 | WSW 8 | SW 18 | W 8 | W 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 9 | 9 | 9 | 9 | 9 | 25 | 24 | 148 | 149 | 22 | 319 | 30 | 29 | 22 | 13 | 13 | 13 | 21 | 20 | 20 | 21 | 21 | 13 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 14 | 14 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 118 | 14 | 0 | 118 | 118 | 118 | 0 | 0 | 0 | 0 | 118 |
Best forecast wave conditions in Simeulue Island | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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