Si Racha marine weather forecast
Si Racha (THSRI) is a port in Thailand at 13°7.0′N 100°53.0′E. Today (Nov 2): SSE wind 1–3 kn, waves 0.1–0.1 m, from the ECMWF IFS run 2026-11-02 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 13°7.0′N 100°53.0′E |
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| UN/LOCODE | THSRI |
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| Harbor size | Medium |
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| Harbor type | Open roadstead |
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| Shelter | Fair |
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| Channel depth | 14 m |
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| Anchorage depth | 22 m |
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| Tide range | 2 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Bangkok |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Fuel oil, water, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Si Racha
| Date | Wind | Gusts | Waves |
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| SSE 1–3 kn | 5 kn | 0.1–0.1 m |
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| SSE 2–8 kn | 12 kn | 0.1–0.2 m |
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| ESE 2–7 kn | 10 kn | 0.2–0.3 m |
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| SSW 2–5 kn | 14 kn | 0.1–0.2 m |
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| N 2–5 kn | 8 kn | 0.1–0.2 m |
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| ENE 2–5 kn | 6 kn | 0.1–0.2 m |
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| NNE 6–8 kn | 11 kn | 0.3–0.4 m |
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| NE 11–11 kn | 19 kn | 0.5–0.5 m |
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| NE 17–17 kn | 24 kn | 0.9–0.9 m |
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| NE 13–13 kn | 18 kn | 0.6–0.6 m |
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Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 17 kn on Nov 10. The highest modeled significant wave height is 0.9 m on Nov 10. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Si Racha right now?
As of the ECMWF IFS run 2026-11-02 12z: SSE wind 1–3 kn, waves 0.1–0.1 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Si Racha?
Si Racha is classed as a medium harbor (open roadstead), with fair shelter in the NGA World Port Index.
How deep is the approach to Si Racha?
Per the NGA World Port Index, the entrance channel carries about 14 m and anchorage depths run about 22 m. Verify against current official charts before entry.
What restricts entry to Si Racha?
Entry is affected by overhead clearance limits. Check the live forecast on this page and official notices before approach.