Manila: The northeast monsoon, known locally as "amihan," continues to affect extreme northern Luzon, while the easterlies will influence the rest of the country on Sunday, according to the latest forecast from the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA). According to Philippines News Agency, in Cagayan and Isabela, cloudy skies with scattered rains and isolated thunderstorms are anticipated due to the shear line, which could result in moderate to occasionally heavy rains, increasing the risk of flash floods or landslides, as per the weather bureau's 4 a.m. advisory. Batanes is facing similar threats from the northeast monsoon, with cloudy skies and rains that may intensify, also posing dangers of flash flooding and landslides. The Visayas, MIMAROPA, Bicol Region, Aurora, Quezon, Dinagat Islands, Surigao del Norte, Surigao del Sur, and Davao Oriental are expected to experience cloudy skies with scattered rains and thunderstorms driven by the easterlies, with th e same potential for flash floods or landslides from moderate to heavy downpours. Metro Manila and the rest of the country can expect partly cloudy to cloudy skies with isolated rain showers or thunderstorms, also caused by the easterlies. PAGASA advises vigilance for possible flash floods or landslides during severe thunderstorms. Extreme northern Luzon will have strong winds going northeast with rough coastal waters, while the rest of the region will experience moderate to strong winds heading east to northeast with moderate to rough coastal waters. The rest of the country will have light to moderate winds blowing east to northeast with slight to moderate coastal waters. No tropical cyclones are currently monitored within the Philippine Area of Responsibility.