The rather strong southwest monsoon prevails across the Andaman Sea and Thailand. Heavy rains will be forecast in some parts of Thailand. People in the North and the East should beware of severe conditions.

        The moderates wind waves are likely in the Andaman Sea. From Phuket passing north, with the wave height about 2 meters and more than 2 meters high in thundershowers. All ships should proceed with caution and small boats continue keeping ashore for 1 day.

        Affected areas from heavy rain are as followings:

        21 May 2020

        North: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang and Tak.

        East: Chon Buri, Rayong, Chanthaburi and Trat.

        South West: Ranong, Phangnga, Phuket and Krabi.

        This final advisory is in effect on 21 May 2020, at 11.00 a.m.

        (Signed) Gp.Capt. Somsak Khaosuwan

        (Somsak Khaosuwan)

        Director-General

        Thai Meteorological Department