(Issued at 4:00 pm Monday 11th August, 2025)
BAYINFERENCE: Monsoon is moderate to strong over the Andaman Sea and South Bay and moderate elsewhere over the Bay of Bengal.
FORECAST VALID UNTIL MORNING OF THE 12th August 2025: Rain or thundershowers will be isolated in Mandalay, Magway, Lower Sagaing Regions and Chin, Rakhine States, scattered in Naypyitaw, Kayah, Northern Shan States, fairly widespread in Upper Sagaing Regions and (Southern and Eastern) Shan State and widespread in the remaining Regions and States with likelihood of isolated heavyfalls in Yangon, Bago, Ayeyarwady, Taninthayi Regions and Mon State. Degree of certainty is 100%.
THE CONDITION OF CUMULONIMBUS CLOUD: The Cumulonimbus clouds are developing in Yangon, Bago, Ayeyarwady, Taninthayi Regions and Kayin, Mon States. The area along the Cumulonimbus clouds movement, the weather phenomena such as strong winds accompanied with rain, thunder, lightning and hail may occur and therefore it is recommended to be aware in advance these phenomena.
STATE OF THE SEA: Squalls with moderate to rough seas are likely at times off and along Deltaic, Gulf of Mottama, Mon-Taninthayi Coasts. Surface wind speed in squalls may reach 25-30 mph. Wave height will be about 7-9 feet in off and along Deltaic, Gulf of Mottama, Mon-Taninthayi Coasts. Sea will be moderate elsewhere in Myanmar waters. Wave height will be about 5-8 feet in off and along Rakhine Coasts.
OUTLOOK FOR SUBSEQUENT TWO DAYS: Likelihood of increase of rain in Bago, Upper sagaing, Taninthayi Regions and Kachin, Kayin, Mon, Shan States.
FORECAST FOR NAYPYITAW AND NEIGHBOURING AREA FOR 12th August 2025: Isolated rain or thundershowers. Degree of certainty is 100%.
FORECAST FOR YANGON AND NEIGHBOURING AREA FOR 12th August 2025: One or two rain or thundershowers. Degree of certainty is 100%.
FORECAST FOR MANDALAY AND NEIGHBOURING AREA FOR 12th August 2025: Isolated rain or thundershowers. Degree of certainty is 100%.