MANILA - More areas were placed under signal no. 1 as tropical depression Samuel moved closer to the Philippines, state weather bureau PAGASA said early Tuesday.

In its 5 a.m. bulletin, PAGASA said Samuel maintained its strength, packing maximum sustained winds of 55 kilometers per hour (kph), with gusts of up to 65 kph.

Last spotted at 395 kilometers east of Surigao City, Surigao del Norte, it is moving northwest at a speed of 20 kph.

Tropical cyclone warning signal no. 1 is raised over the following areas:

LUZON

• Masbate, including Ticao Island
• Romblon
• Southern Oriental Mindoro
• Southern Occidental Mindoro
• Northern Palawan, including Cuyo Island and Calamian Group of Islands

VISAYAS

• Northern Samar
• Eastern Samar
• Samar
• Biliran
• Leyte
• Southern Leyte
• Bohol
• Cebu
• Siquijor
• Negros Oriental
• Negros Occidental
• Guimaras
• Iloilo
• Capiz
• Aklan
• Antique

MINDANAO

• Dinagat Islands
• Surigao del Norte
• Surigao del Sur
• Agusan del Norte
• Agusan del Sur
• Misamis Oriental
• Camiguin

Residents in areas on the path of the tropical depression should brace for moderate to heavy rains, which may trigger flooding and landslides.

PAGASA said Samuel is expected to make landfall over the Dinagat-Samar-Leyte area Tuesday night.

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Classes on Tuesday and Wednesday have been suspended in some areas due to the effects of Samuel.

Several passengers were also stranded after maritime authorities canceled boat trips due to the tropical depression.

Visit the ABS-CBN Weather Center for the latest weather updates.