Phuket and Andaman Sea Forecast

Weather Forecast for the Andaman Sea Region, Thailand. 29 September to 4 October, 2025.

29 September (Monday)
Temp: 31°C / 26°C
Weather: Heavy rain (70% area)
Wind: 26 km/h
Sailing: Strong winds, rough waters
Tide: Moderate tides

30 September (Tuesday)
Temp: 32°C / 26°C
Weather: Heavy rain (60% area)
Wind: 22 km/h
Sailing: Challenging for small boats, waves up to 2 m
Tide: Standard patterns

01 October (Wednesday)
Temp: 33°C / 25°C
Weather: Heavy rain (40% area)
Wind: 19 km/h
Sailing: Slightly calmer, waves 1–1.5 m
Tide: Normal fluctuations

02 October (Thursday)
Temp: 33°C / 25°C
Weather: Heavy rain (40% area)
Wind: 17 km/h
Sailing: Conditions improving, waves around 1 m
Tide: Regular tides

03 October (Friday)
Temp: 34°C / 26°C
Weather: Heavy rain (40% area)
Wind: 15 km/h
Sailing: Manageable, but caution advised
Tide: Standard

04 October (Saturday)
Temp: 34°C / 26°C
Weather: Heavy rain (40% area)
Wind: 15 km/h
Sailing: Safer for travel, waves below 1 m
Tide: Normal fluctuations

The influence of storm BUALOI and a strengthening southwest monsoon is creating rough conditions in the Andaman Sea. From 28–30 September 2025, waves in the upper Andaman will reach 2–3 meters, rising above 3 meters in thunderstorm areas.

Disclaimer: Weather, sea conditions, and tide information are subject to change. Always check local updates and forecasts before planning activities.