On 27 July

        North: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Sukhothai, Tak, Kamphaeng Phet, Phitsanulok, Phichit and Phetchabun.

        Northeast: Loei, Udon Thani, Nong Bua Lam Phu, Khon Kaen, Sakon Nakhon, Nakhon Phanom, Mukdahan, Maha Sarakham, Roi Et, Kalasin, Chaiyaphum, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket, Yasothon, Amnat Charoen and Ubon Ratchathani.

        Central: Saraburi, Lop Buri, Nakhon Sawan, Uthai Thani, Chai Nat, Sing Buri and Kanchanaburi. Ang Thong and Ratchaburi.

        East: Prachin Buri, Sa Kaeo, Chon Buri, Rayong, Chanthaburi and Trat.

        On 28 July

        North: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Phayao, Nan, Phrae, Sukhothai, Kamphaeng Phet and Tak.

        Northeast: Loei, Nong Bua Lam Phu, Chaiyaphum, Khon Kaen, Nakhon Ratchasima Udon Thani, Sakon Nakhon, Nakhon Phanom, Kalasin and Mukdahan.

        Central: Nakhon Sawan, Uthai Thani, Chai Nat, Lop Buri, Kanchanaburi and Ratchaburi.

        East: Chon Buri, Rayong, Chanthaburi and Trat.

        The strong southwest monsoon prevails over the Andaman Sea and the South. More rain with isolated heavy rain is likely in the south. The strong winds waves are likely 2-3 meters high in the Andaman Sea and the upper Gulf of Thailand. All ships should proceed with caution, and small boats keep ashore until 29 July.

        All travelers should stay tuned for the weather update.

        The advisory is in effect on 27 July 2017, at 05.00 a.m.

        The next issue will be at 27 July 2017 at 11.00 a.m.

        (Signed) Wanchai Sakudomchai

        (Mr. Wanchai Sakudomchai)

        Director-General

        Thai Meteorological Department