Manila: Three weather systems are forecast to bring rain to most parts of the Philippines, the weather bureau announced on Monday. According to Philippines News Agency, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) indicated in its 4 a.m. advisory that the shear line will lead to scattered rains and isolated thunderstorms across the Visayas, Bicol Region, Quezon, Oriental Mindoro, Marinduque, and Romblon. The Zamboanga Peninsula, Basilan, Sulu, Tawi-Tawi, and Palawan are expected to experience similar weather conditions due to the influence of the easterlies. PAGASA cautioned that moderate to heavy rains in these areas might result in flash floods or landslides. The northeast monsoon, locally known as "amihan," will cause light rains in the Cordillera Administrative Region, Cagayan Valley, Aurora, Laguna, Batangas, and the rest of Mimaropa, with isolated light rains anticipated in Metro Manila and the rest of Luzon. In the rest of Mindanao, isolated rain showers or thunderstorms are expected due to the easterlies. Eastern sections of the country will face moderate to strong winds and moderate to rough coastal waters, while other areas will experience light to moderate winds and slight to moderate seas. PAGASA also mentioned that no low pressure area is currently being monitored for potential tropical cyclone development.