7-day Forecast For period of May 20, 2008 - May 26, 2008 Weather Forecast During May 20-21, rather intense monsoon trough lies across northern and northeastern Thailand, and moderate southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf. Abundant rain and heavy fall occur in upper Thailand. Wave height about 2 meters is likely in the Andaman Sea. During May 22-26, southwest monsoon over the Andaman Sea, Thailand and the Gulf will be weakening. Decreasing of rainfalls and weakening wind-wave will occur the areas. Warning During 20-21 May, people in the risky areas of Mae Hong Son, Tak , Chiang Mai, Lampang, Phetchaboon, Nakhonsawan, Uthai Thani, Kanchanaburi Chantaburi and Trat provinces should beware of heavy rain. Northern Part During May 20-21, scattered to fairly widespread thundershowers and isolated heavy rain. Variable winds 10-25 km/hr. During May 22-26, scattered thundershowers mostly in the western portion. Southwesterly wind 10-20 km/hr. Northeastern Part During May 20-21, scattered to fairly widespread thundershowers and isolated heavy rain . During May 22-26, widely scattered to scattered thundershowers mostly in the lower portion. Southwesterly wind 10-30 km/hr. Central Part During May 20-21, scattered to fairly widespread thundershowers and isolated heavy rain mostly in the western portion. Southwesterly wind 15-30 km/hr. During May 22-26, widely scattered thundershowers. Southwesterly wind 10-30 km/hr. Eastern Part During May 20-21, scattered to fairly scattered thundershowers and isolated heavy rain. Southwesterly winds 15-35 km./hr. Wave height 1-2 meters. During May 21-25, widely scattered thundershowers. Southwesterly winds 15-30 km/hr. Wave height about 1 meter. Southern Part (East Coast) Widely scattered to scattered thundershowers mostly in the upper portion throughout the most of period. During May 20-21, southwesterly winds 15-35 km./hr. Wave height 1-2 meters. During May 22-26, southwesterly winds 15-30 km./hr. Wave height about 1 meter. Southern Part (West Coast) Widely scattered to scattered thundershowers throughout the most of period. During May 20-21, southwesterly winds 20-35 km./hr. Wave height about 2 meters. During May 22-26, southwesterly winds 15-35 km./hr. Wave height 1-2 meters. Metropolitan During May 20-21, scattered to fairly widespread thundershowers mostly during the afternoon to evening. Southwesterly wind 15-30 km/hr. During May 22-26, widely scattered to scattered thundershowers. Southwesterly wind 10-30 km/hr. Thai Meteorological department (02) 398-9874