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Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 pm 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
30.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Thailand today?
The current surf forecast for Thailand at 6PM is: 0.8m 13s primary swell from a South-southwest direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 12:00pm May 11). The wind direction is predicted to be cross-onshore.
| 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 ForecastHeavy rain (total 44mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SW 18 | SW 15 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | |
257 | 249 | 245 | 215 | 212 | 212 | 437 | 319 | 496 | 545 | 1056 | 1126 | 1126 | 1098 | 1014 | 911 | 796 | 785 | 774 | 763 | 653 | 569 | 394 | 357 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross | cross-on | cross-on | glassy | on | on | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | cross-on | cross-on | on | cross-on | cross-on | |
High Tide | 3:01AM0.44m | 2:27PM0.51m | 3:42AM0.53m | 3:24PM0.52m | 4:19AM0.61m | |||||||||||||||||||
Low Tide | 8:30PM0.16m | 8:30AM0.27m | 9:09PM0.12m | 9:40AM0.22m | 9:44PM0.08m | |||||||||||||||||||
 | |  |  | |  | | | | | | |  | | |  | | | | | |  | | | |
 | 6:24 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 2 | 3 | 2 | 1 | 5 | 4 | 7 | 6 | 5 | |
Temp °C | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 27 | 27 | 26 | 25 | 25 |
34 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 33 | 34 | 34 | 32 | 33 | 32 | 31 | 32 | 33 | 33 | 32 | 29 | 28 | 27 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 15 | SW 15 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 |
 kJ | 257 | 249 | 245 | 215 | 212 | 212 | 437 | 272 | 496 | 545 | 1056 | 1126 | 1126 | 1098 | 1014 | 911 | 796 | 785 | 774 | 763 | 653 | 569 | 394 | 357 |
Swell 2 Height (m) Direction Period (s) | 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 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | SSW 15 | SSW 15 |
| kJ | 22 | 24 | 127 | 127 | 127 | 171 | 173 | 147 | 319 | 390 | 29 | 29 | 29 | 29 | 39 | 54 | 51 | 50 | 48 | 63 | 46 | 48 | 246 | 243 |
Swell 3 Height (m) Direction Period (s) | 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 | SSE 8 | W 8 | W 8 |
| kJ | 9 | 9 | 25 | 24 | 148 | 149 | 22 | 319 | 30 | 29 | 22 | 13 | 13 | 13 | 13 | 13 | 21 | 21 | 12 | 13 | 12 | 12 | 66 | 68 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 118 | 14 | 0 | 118 | 14 | 0 | 0 | 118 | 118 | 14 | 118 | 118 | 0 | 0 | 0 | 118 | 118 | 118 | 118 | 94 | 252 |
Best forecast wave conditions in Simeulue Island | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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