Typhoon Chedeng (international name Guchol) has started to weaken and is likely to be downgraded into a severe tropical storm within the next 36 hours, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said. In its 11 p.m. bulletin on Saturday, June 10, PAGASA said that Chedeng is forecasted to weaken due to an increasingly unfavorable environment The tropical cyclone was last seen 910 kilometers east of Extreme Northern Luzon. It packs maximum sustained winds of 140 kilometers per hour (kph) near the center and gustiness of up to 170 kph. It is presently moving north0northeastward at 15 kph. Based on the latest forecast track, Chedeng will remain far from the country's landmass. It is forecast to accelerate north north-northeastward or northeastward and exit the Philippine Area of Responsibility Sunday evening or on Monday early morning. PAGASA said that Chedeng is unlikely to directly bring heavy rainfall over the country in the next 3 days. However, the southwest monsoon or "Habagat" enhanced by Chedeng will bring occasional monsoon rains over the western portions of Luzon and Visayas in the next three days. The state weather also mentioned that hoisting of wind signals in anticipation of tropical cyclone severe winds is unlikely at this time. However, the enhancement of the southwest monsoon over the next three days may bring gusty conditions over the following areas Saturday night and Sunday: Batanes, Babuyan Islands, Ilocos Region, Cordillera Administrative Region, Nueva Vizcaya, Central Luzon, Metro Manila, CALABARZON, MIMAROPA, Bicol Region, Western Visayas, and Northern Samar. Monday: Batanes, Babuyan Islands, Ilocos Region, Cordillera Administrative Region, Nueva Vizcaya, Central Luzon, Metro Manila, CALABARZON, Occidental Mindoro, Oriental Mindoro, Romblon, Marinduque, northern mainland Palawan, Calamian Islands, Cuyo Islands, Kalayaan Islands, Bicol Region, and Western Visayas. Tuesday: Batanes, Babuyan Islands, Ilocos Region, Cordillera Administrative Region, Nueva Vizcaya, Central Luzon, Metro Manila, CALABARZON, Occidental Mindoro, Romblon, Kalayaan Islands, and Semirara Islands. Meanwhile, PAGASA said that in the next 24 hours, Chedeng may bring moderate to rough seas (2.0 to 3.0 m) over the seaboard of extreme Northern Luzon. Mariners of small seacrafts are advised to take precautionary measures when venturing out to sea. If inexperienced or operating ill-equipped vessels, PAGASA advised to avoid navigating in these conditions. "Considering these developments, the public and disaster risk reduction and management offices concerned are advised to take all necessary measures to protect life and property. Persons living in areas identified to be highly or very highly susceptible to these hazards are advised to follow evacuation and other instructions from local officials," the state weather bureau said.