Phuket and Andaman Sea Forecast

Weather Forecast for the Andaman Sea Region, Thailand. 21 July to 26 July, 2025.

Monday, July 21

Temperature: 28–35°C
Weather: Widespread heavy rain
Sailing Conditions: Rough, waves 2–4 m (avoid small boats)
Tide: High early morning, falling by midday

Tuesday, July 22

Temperature: 27–36°C
Weather: Rain and thunderstorm risk
Sailing Conditions: Strong swells, waves up to 4 m
Tide: Low tide mid-morning, high in late afternoon

Wednesday, July 23

Temperature: 28–35°C
Weather: Thunderstorms and high rainfall
Sailing Conditions: Hazardous, >4 m in storm cells
Tide: Low tide late morning, high tide early evening

Thursday, July 24

Temperature: 28–35°C
Weather: Isolated heavy showers
Sailing Conditions: Rough, waves 2–4 m
Tide: Low early afternoon, rising through night

Friday, July 25

Temperature: 28–36°C
Weather: Stormy with widespread rain
Sailing Conditions: Caution advised, waves 2–3 m
Tide: Midday low, evening high

Saturday, July 26

Temperature: 27–37°C
Weather: Cloudy with rain and possible thunder
Sailing Conditions: Moderate to rough, waves 2–3 m
Tide: Late morning low, late evening high

Southwest monsoon remains strong over the Andaman Sea—expect frequent heavy rain and thunderstorms. Small boats and leisure vessels should remain ashore, and larger ships must navigate cautiously, avoiding storm cells

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