Thunderstorm Advisory No. 16 #VISPRSD
Issued at 11:23 PM 18 August 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over #NegrosOccidental(CadizCity and SagayCity) within the next 1 to 2 hours.

The above conditions are being experienced in #NegrosOccidental(Manapla, EnriqueB.Magalona, CityOfVictorias, SilayCity and CityOfTalisay) which may persist within 1 to 2 hours and may affect nearby areas.

Thunderstorm Advisory No. 15 #VISPRSD
Issued at 11:02 PM 18 August 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over #Iloilo(Tigbauan, Oton, Leon, Tubungan, SanMiguel, Cabatuan, Alimodian, SanRafael, Lemery, Sara, SanDionisio, Batad, Estancia, Carles, Balasan), #Palawan(SanVicente, Dumaran, Araceli, Taytay and PuertoPrincesaCity) within the next 1 to 2 hours.

The above conditions are being experienced in #Iloilo(SanJoaquin, Guimbal, Miagao, Igbaras, IloiloCity, Dumangas, Anilao, BarotacNuevo, Banate, Concepcion, Ajuy, BarotacViejo, Zarraga, Leganes, Pototan, Dingle, Mina, NewLucena, SantaBarbara, Pavia), #Antique(Hamtic, TobiasFornier, Sebaste, Pandan), #Guimaras(Buenavista), #Aklan(Tangalan, Ibajay) and #Palawan(Roxas) which may persist within 1 to 2 hours and may affect nearby areas.

Heavy Rainfall Warning No. 18 #NCR_PRSD
Weather System: Southwest Monsoon (Habagat)
Issued at: 11:00 PM, 18 August 2026(Tuesday)

RED WARNING LEVEL: Bataan, Batangas(Nasugbu, Lian, Tuy, Balayan, Calatagan, Calaca) and Cavite(Ternate, Maragondon, Magallanes, General Emilio Aguinaldo, Alfonso).
ASSOCIATED HAZARD: Serious FLOODING in flood-prone areas.

ORANGE WARNING LEVEL: Metro Manila, Zambales, Bulacan, Cavite(Amadeo, General Trias, Indang, Mendez, Silang, Tagaytay, Trece Martires, Bacoor, Carmona, Cavite City, Dasmarinas, Gen. Mariano Alvarez, Imus, Kawit, Naic, Noveleta, Rosario, Tanza), Rizal(Rodriguez, San Mateo, Cainta, Antipolo, Taytay, Angono), Pampanga(Lubao, Sasmuan, Macabebe, Masantol, Floridablanca, Porac) and Batangas(Agoncillo, Alitagtag, Balete, Batangas City, Bauan, Tanauan, Cuenca, Ibaan, Laurel, Lemery, Lipa, Lobo, Mabini, Malvar, Mataasnakahoy, Padre Garcia, Rosario, San Jose, San Juan, San Luis, San Nicolas, San Pascual, Santa Teresita, Santo Tomas, Taal, Talisay, Taysan, Tingloy).
ASSOCIATED HAZARD: FLOODING is THREATENING.

YELLOW WARNING LEVEL: Tarlac, Pampanga(Apalit, Arayat, Bacolor, Candaba, San Fernando, Magalang, Mexico, Minalin, San Luis, San Simon, Santa Ana, Santo Tomas, Angeles, Mabalacat, Guagua, Santa Rita), Laguna(San Pedro, Santa Maria, Mabitac, Pakil, Siniloan, Famy, Pangil, Cabuyao, Binan, Santa Rosa, Calamba) and Rizal(Tanay, Baras, Binangonan, Cardona, Jala-Jala, Morong, Pililla, Teresa).
ASSOCIATED HAZARD: Possible FLOODING in flood-prone areas.

Meanwhile, expect light to moderate with occasional heavy rains over Laguna(Alaminos, Bay, Calauan, Liliw, Los Banos, Luisiana, Magdalena, Majayjay, Nagcarlan, Pagsanjan, Pila, Rizal, San Pablo, Santa Cruz, Victoria, Cavinti, Kalayaan, Lumban, Paete) within the next 3 hours.
Light to moderate with occasional heavy rains affecting Nueva Ecija and Quezon(General Nakar, Infanta, Real) which may persist within 3 hours and may affect nearby areas.
The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 2:00 AM tomorrow.
For more information and queries, please call telephone numbers 8927-1335 and 8927-2877 or log on to www.pagasa.dost.gov.ph.

Heavy Rainfall Warning No. 11 #VISPRSD
Weather System: Southwest Monsoon (Habagat)
Issued at 11:00 PM 18 August 2026

Red Warning: #OccidentalMindoro
Associated Hazard: SERIOUS FLOODING is expected in low-lying areas and LANDSLIDES in mountainous areas.

Orange Warning: #Palawan(Busuanga, Coron and Culion)
Associated Hazard: FLOODING IS THREATENING in low-lying areas and LANDSLIDES in mountainous areas.

Meanwhile, Light to Moderate with occasionally Heavy rains are expected over #Palawan(ElNido, Linapacan, Taytay, Araceli, Dumaran, SanVicente), #Iloilo(Anilao, Dingle, Dueñas, CityOfPassi, Bingawan, SanEnrique), #Capiz(Dumalag, Mambusao, SapiAn), #Guimaras(SanLorenzo, Jordan, Sibunag and NuevaValencia) within the next 1 to 2 hours.

The above conditions are being experienced in #Palawan(Cuyo, Magsaysay, Agutaya, Roxas), #Antique, #Aklan, #Capiz(Jamindan, Tapaz), #Iloilo(Janiuay, SantaBarbara, Dumangas, Leganes, Oton, Tigbauan, Miagao, SanJoaquin, Igbaras, Guimbal, Tubungan, Leon, Cabatuan, Pavia, IloiloCity, Alimodian, SanMiguel, Maasin, NewLucena, Zarraga, BarotacNuevo, Pototan, Mina, Badiangan, Calinog, Lambunao) and #Guimaras(Buenavista) which may persist within 1 to 2 hours and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 02:00 AM Tomorrow.

Heavy Rainfall Warning No. 10 #SLPRSD
Weather System: Southwest Monsoon (Habagat)
Issued at 11:00 PM 18 August 2026

Yellow Warning: #OrientalMindoro
Associated Hazard: FLOODING in low lying areas and near river channels.

Meanwhile, Moderate to occasionally heavy rains are expected over #Sorsogon(Gubat, Irosin, Matnog, SantaMagdalena, Bulusan, Barcelona), #Catanduanes, #Masbate(Mandaon, Milagros, CityOfMasbate, SanFernando, Batuan, Mobo, SanPascual), #Albay(PioDuran, Guinobatan, CityOfLigao, CityOfTabaco, Malilipot, Malinao, Polangui, Oas and Libon) within the next 2 to 3 hours.

The above conditions are being experienced in #Romblon, #Masbate(Aroroy, Monreal, Claveria, Baleno, SanJacinto), #Sorsogon(Donsol, Pilar, Castilla, CityOfSorsogon, PrietoDiaz, Casiguran, Juban, Magallanes, Bulan), #Albay(Jovellar, Camalig, Daraga, LegazpiCity, SantoDomingo, Bacacay, RapuRapu and Manito) which may persist within 2 to 3 hours.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 02:00 AM Tomorrow.

Rainfall Advisory No. 77 #NLPRSD
Weather System: Southwest Monsoon (Habagat)
Issued at 11:00 PM 18 August 2026

Light to Moderate to at times Heavy rains are expected over #Ifugao(Banaue, Kiangan, Lagawe, Lamut, Mayoyao, AlfonsoLista, Aguinaldo, Hingyon), #Isabela(Alicia, Angadanan, Aurora, BenitoSoliven, Burgos, Cabatuan, CityOfCauayan, Cordon, Dinapigue, Divilacan, Echague, Gamu, IlaganCity, Luna, Maconacon, Naguilian, Palanan, Ramon, ReinaMercedes, SanGuillermo, SanIsidro, SanManuel, SanMariano, SanMateo, SanPablo, CityOfSantiago, Tumauini), #Cagayan(Abulug, Alcala, Allacapan, Amulung, Aparri, Baggao, Ballesteros, Buguey, Camalaniugan, Claveria, Gattaran, Gonzaga, LalLo, Lasam, Pamplona, Peñablanca, Rizal, SanchezMira, SantaAna, SantaPraxedes, SantaTeresita, SantoNiño), #MountainProvince(Barlig, Bauko, Besao, Bontoc, Sabangan, Sadanga, Sagada, Tadian), #Kalinga(Lubuagan, Pasil, Tinglayan), #LaUnion(Agoo, Aringay, Bacnotan, Bagulin, Balaoan, Bangar, Burgos, Luna, Naguilian, Pugo, Rosario, CityOfSanFernando, SanGabriel, SanJuan, SantoTomas, Santol, Sudipen, Tubao), #IlocosSur(Alilem, Bantay, Burgos, Cabugao, Caoayan, Magsingal, Nagbukel, Narvacan, SanEmilio, SanEsteban, SanIldefonso, SanJuan, SanVicente, Santa, SantaCatalina, SantaMaria, SantoDomingo, Sinait, Sugpon, Suyo, Tagudin, CityOfVigan), #Abra(Bangued, Boliney, Bucay, Bucloc, Daguioman, Dolores, LaPaz, Lacub, Lagangilang, Langiden, LicuanBaay, Luba, Manabo, Peñarrubia, Pidigan, Pilar, Sallapadan, SanIsidro, SanJuan, SanQuintin, Tayum, Tineg, Tubo, Villaviciosa), #IlocosNorte(Adams, Bacarra, Badoc, Bangui, CityOfBatac, Currimao, Dingras, Dumalneg, Banna, LaoagCity, Marcos, Pagudpud, Paoay, Pasuquin, Pinili, SanNicolas, Sarrat, Solsona, Burgos), #Apayao(Calanasan, Flora, Kabugao, Luna, Pudtol and SantaMarcela) within the next 2 to 3 hours.

The above conditions are being experienced in #Aurora, #NuevaVizcaya, #Quirino, #Benguet, #Ifugao(Hungduan, Tinoc, Asipulo), #Isabela(Cabagan, Jones, DelfinAlbano, Mallig, Quezon, Quirino, Roxas, SanAgustin, SantaMaria, SantoTomas), #Cagayan(Calayan, Enrile, Iguig, Piat, Solana, Tuao, TuguegaraoCity), #MountainProvince(Natonin, Paracelis), #Kalinga(Balbalan, Pinukpuk, Rizal, CityOfTabuk, Tanudan), #LaUnion(Bauang, Caba), #Pangasinan, #IlocosSur(Banayoyo, CityOfCandon, Cervantes, GregorioDelPilar, Lidlidda, Quirino, Salcedo, SantaCruz, SantaLucia, Santiago, Sigay, Galimuyod), #Abra(Danglas, Lagayan, Malibcong), #IlocosNorte(Carasi, NuevaEra, Piddig, Vintar), #Apayao(Conner) and #Batanes which may persist within 2 to 3 hours and may affect nearby areas.

The public and the Disaster Risk Reduction and Management Offices concerned are advised to MONITOR the weather condition and watch for the next warning to be issued at 02:00 AM Tomorrow.

All are advised to take precautionary measures against the impacts associated with these hazards. Residents along mountain slope are advised for possible landslides, mudslides, rockslides and flash flood.

NENENG MAINTAINS ITS STRENGTH AS IT MOVES WESTWARD OVER THE SEA EAST OF BATANES.

Location of eye/center : The center of Tropical Depression NENENG was estimated based on all available data at at 745 km East of Itbayat, Batanes (21.0, 129.0).
Strength : Maximum winds of 45 kph near the centerand gustiness of up to 55 kph.
Forecast movement : Forecast to move Westward at 25 kph

Forecast position :
Aug 19, 2026 08:00 AM - 495 km East Northeast of Itbayat, Batanes
Aug 19, 2026 08:00 PM - 370 km North Northeast of Itbayat, Batanes
Aug 20, 2026 08:00 AM - 400 km North of Itbayat, Batanes or in the vicinity of Yilan County, Taiwan

HAZARDS AFFECTING LAND AREAS
Heavy Rainfall Outlook

Refer to Weather Advisory No. 69 issued at 11:00 PM today for the heavy rainfall outlook due to the Southwest Monsoon.

Severe Winds

The enhanced Southwest Monsoon will bring strong to gale-force gusts over the following areas (especially in coastal and upland areas exposed to winds):
Today: Most of the country.
Tomorrow (19 August) until Thursday (20 August): Most of Luzon and Visayas, Zamboanga Peninsula, Northern Mindanao, and Davao Region

HAZARDS AFFECTING COASTAL WATERS
24-Hour Sea Condition Outlook

Up to rough seas over the following coastal waters:
Up to 3.5 m: The seaboards of Zambales and Lubang Islands; the western seaboard of Bataan.
Up to 3.0 m: The seaboards of Ilocos Norte and Ilocos Sur; the northern and western seaboards of Kalayaan Islands and seaboards of Batanes; the western seaboards of Babuyan Islands, Occidental Mindoro, Calamian Islands, and northern Palawan.
Mariners of motorbancas and similarly sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.

Up to moderate seas over the following coastal waters:
Up to 2.5 m: The seaboards of La Union and Surigao del Sur; the western seaboards of Cavite, Batangas, and the rest of mainland Palawan; the eastern seaboard of Davao Oriental; the remaining seaboards of Kalayaan Islands and Batanes.
Up to 2.0 m: The seaboards of Isabela, northern Aurora, Romblon, Cuyo Islands, Cagayancillo Islands, Antique, and Davao Occidental; the northern seaboards of Camarines Norte and Camarines Sur; the northern and eastern seaboards of Catanduanes and Northern Samar; the eastern seaboards of Albay, Sorsogon, Eastern Samar, Dinagat Islands, and Siargao-Bucas Grande Islands; the southern seaboards of Marinduque, Quezon, Iloilo, Guimaras, and Davao Oriental; the western seaboard of Negros Occidental; the remaining seaboards of Pangasinan, Calamian Islands, and northern Palawan.
Mariners of motorbancas and similarly sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions.

Other coastal waters have forecast wave heights of less than 2.0 m.

TRACK AND INTENSITY OUTLOOK
It must be emphasized that heavy rainfall and severe winds may still be experienced in localities outside the landfall point and the forecast confidence cone. Refer to Other Hazards affecting Land Areas for more details. Furthermore, the track may still shift within the limit of the forecast confidence cone.
NENENG will continue moving generally west northwestward and may make landfall over the eastern coast of Taiwan by Thursday (20 August). It is less likely to make landfall over the country and will remain far from the Philippine landmass.
NENENG is expected to be a short-lived tropical cyclone and is forecast to remain as a tropical depression before weakening into a remnant low over Taiwan on Thursday.