Phuket’s west coast stays under rough-sea conditions through Sept. 11
Phuket’s west coast remains choppy through Sept. 11, with southwesterly winds of 20–35 km/h and waves around 2 meters, higher in thunderstorms.
What the forecast says
The official 5–11 September forecast keeps the same marine picture for the area from Phuket northward: southwesterly winds and waves about 2 meters. From Sept. 8 to 11, scattered to widespread thunderstorms are expected, with heavier rain in places, which can make the sea turn rough quickly.
Who should pay attention
This matters most for beach operators, boat crews, island-hopping tours, and anyone planning a day trip by sea. On Phuket’s west side, these conditions usually mean a more cautious schedule and less room for improvising departures.
Practical takeaways
- check marine conditions before leaving;
- allow extra time for pier transfers;
- watch the sky as well as the beach;
- choose swimming spots carefully on stormy days.
It is a familiar monsoon pattern — but one that still deserves respect.






