Tropical Depression Jacinto Forms Over West Philippine Sea

A low pressure area west of Subic Bay developed into Tropical Depression Jacinto at 10:00 AM today, August 28, 2025. The storm is moving northwestward over the West Philippine Sea and is expected to exit PAR tonight.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) reported that the low pressure area over the West Philippine Sea has developed into Tropical Depression Jacinto. At 10:00 AM, the storm’s center was located 480 km west of Subic Bay (14.6°N, 115.8°E), packing maximum sustained winds of 45 km/h near the center, gustiness of up to 55 km/h, and a central pressure of 1002 hPa. Jacinto is moving west northwestward at 20 km/h, with strong winds extending outward up to 240 km from the center.

Track and Intensity Outlook

Jacinto will continue moving northwestward and is forecast to exit the Philippine Area of Responsibility (PAR) tonight. It will then turn more west-northwestward over the West Philippine Sea toward northern or central Vietnam, where it is expected to make landfall by Saturday, August 30.

• Jacinto is forecast to intensify into a tropical storm by Friday evening (29 August).

Hazards Affecting Land Areas

Tropical Cyclone Wind Signals

• No Tropical Cyclone Wind Signal is currently in effect.

Severe Winds from the Enhanced Southwest Monsoon

• Today and Tomorrow (28–29 August): Batanes, Babuyan Islands, Ilocos Region, Cordillera Administrative Region, Zambales, Bataan, MIMAROPA, Western Visayas, Negros Island Region, Central Visayas, Dinagat Islands, and Camiguin.
• Saturday (30 August): Batanes, Babuyan Islands, Pangasinan, Zambales, Lubang Island, Romblon, and Palawan.

Heavy Rainfall Outlook

Rainfall Advisory No. 22 (PAGASA Northern Luzon, 11:00 AM, 28 August 2025)

• Light to moderate to at times heavy rains affecting Ifugao (Alfonso Lista), Cagayan (Alcala, Amulung, Baggao, Enrile, Iguig, Peñablanca, Piat, Rizal, Solana, Tuao, Tuguegarao City, Santo Niño), Isabela, and Abra (Boliney) which may persist within 2 to 3 hours and may affect nearby areas.
• Light to moderate rains expected over Nueva Vizcaya, Benguet, the rest of Ifugao, the rest of Cagayan, Quirino, Aurora, Mountain Province, Kalinga, Apayao, and the rest of Abra within the next 2 to 3 hours.

The public and DRRM offices are advised to monitor weather conditions and watch for the next warning at 2:00 PM today. Residents along mountain slopes are advised for possible landslides, mudslides, rockslides, and flash floods.

Hazards Affecting Coastal Waters

• Rough seas up to 3.5 m: northern and western seaboards of Calamian Islands; western seaboard of northern mainland Palawan.
• Rough seas up to 3.0 m: western seaboard of central and southern Palawan.
• Moderate seas up to 2.5 m: seaboards of Batanes, Babuyan Islands, Ilocos Norte, Zambales, and Cagayancillo; western seaboards of Pangasinan, Bataan, Lubang Island, Occidental Mindoro.
• Moderate seas up to 2.0 m: northern seaboard of mainland Cagayan; remaining seaboards of Ilocos Region and Palawan; seaboard of Antique and Zamboanga del Norte; southern seaboard of Iloilo; western seaboard of Guimaras; southern seaboard of Negros Occidental; western and southern seaboards of Negros Oriental.

Small vessels and inexperienced mariners are advised not to venture into these waters.

Public Advisory

Although no wind signals are in effect, PAGASA warns that the Southwest Monsoon enhanced by Jacinto will bring strong winds, rough seas, and rains in several regions. Residents in flood- and landslide-prone areas are urged to take precautionary measures and heed instructions from local officials.

The next Tropical Cyclone Bulletin for Tropical Depression Jacinto will be issued at 5:00 PM today (28 August 2025).