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Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 pm Tuesday 12 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 7PM is: 1.5m 16s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a West direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 3.5ft (1.0m) | 15s |
| Afternoon (12 May) | 4.5ft (1.4m) | 15s |
| Evening (12 May) | 5ft (1.5m) | 16s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 81mm), heaviest during Thu night. Warm (max 30°C on Tue afternoon, min 25°C on Thu afternoon). Winds increasing (calm on Wed night, strong winds from the W by Thu afternoon). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 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 | SW 13 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | |
496 | 545 | 1056 | 1126 | 1126 | 1098 | 1014 | 974 | 796 | 785 | 774 | 763 | 653 | 569 | 394 | 394 | 505 | 653 | 693 | 693 | 704 | 765 | 854 | 427 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | on | on | glassy | on | glassy | glassy | glassy | cross-on | on | on | on | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:27PM0.51m | 3:42AM0.53m | 3:24PM0.52m | 4:19AM0.61m | 4:15PM0.52m | 4:57AM0.69m | ||||||||||||||||||
Low Tide | 9:09PM0.12m | 9:40AM0.22m | 9:44PM0.08m | 10:34AM0.15m | 10:19PM0.04m | |||||||||||||||||||
 |  |  |  |  |  | | | | | | | | | | | | |  | |  |  | |  | |
 | 6:24 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | 6:37 |
— | 1 | — | — | — | 1 | 2 | 2 | 1 | — | 2 | 4 | 1 | 4 | 3 | 2 | 4 | 5 | 6 | 12 | 13 | 10 | 7 | 1 | |
Temp °C | 29 | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 |
34 | 33 | 34 | 33 | 33 | 32 | 32 | 33 | 34 | 33 | 33 | 31 | 31 | 32 | 31 | 30 | 30 | 29 | 28 | 22 | 23 | 25 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 13 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
 kJ | 496 | 545 | 1056 | 1126 | 1126 | 1098 | 1014 | 974 | 796 | 785 | 774 | 763 | 653 | 569 | 394 | 394 | 505 | 653 | 693 | 693 | 704 | 765 | 854 | 384 |
Swell 2 Height (m) Direction Period (s) | 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 | SW 13 | W 8 | W 7 | W 8 | W 8 | W 9 | W 9 | W 9 |
| kJ | 319 | 390 | 29 | 29 | 29 | 30 | 39 | 38 | 51 | 50 | 49 | 48 | 48 | 68 | 246 | 243 | 241 | 82 | 52 | 119 | 108 | 153 | 153 | 150 |
Swell 3 Height (m) Direction Period (s) | 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 | WSW 8 | S 4 | W 9 | SW 18 | SSE 8 | S 18 | S 18 | SSW 16 |
| kJ | 30 | 29 | 22 | 13 | 13 | 13 | 13 | 21 | 21 | 21 | 21 | 21 | 12 | 12 | 68 | 68 | 70 | 9 | 54 | 51 | 11 | 99 | 99 | 427 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 8 | S 4 | — | — | SE 4 | NE 3 | NE 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 4 | — | — | 6 | 5 | 7 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 118 | 118 | 0 | 118 | 0 | 0 | 0 | 94 | 94 | 118 | 118 | 0 | 118 | 94 | 192 | 207 | 252 | 252 | 207 | 207 | 252 | 253 |
Best forecast wave conditions in Simeulue Island | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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