MANILA — The northeast monsoon will bring cloudy skies and rains over parts of Luzon on Wednesday, while the easterlies will cause scattered rains and thunderstorms over Visayas and Mindanao, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said.

In its 24-hour forecast issued at 4 a.m., PAGASA said Cagayan, Isabela, Aurora, Quezon and Camarines Norte will experience cloudy skies with rains due to the northeast monsoon.

Moderate to occasionally heavy rainfall may trigger flash floods or landslides in these areas.

Mindanao, Eastern Visayas and Central Visayas will have cloudy skies with scattered rains and thunderstorms brought by the easterlies, with possible flash floods or landslides due to moderate to at times heavy rains.

Palawan, Masbate and the rest of Visayas will experience partly cloudy to cloudy skies with isolated rainshowers or thunderstorms. Severe thunderstorms may trigger flash floods or landslides.

Metro Manila and the rest of Luzon will have partly cloudy to cloudy skies with isolated light rains, with no significant impact expected.

Winds, coastal conditions

PAGASA said moderate to strong winds from the northeast will prevail over Northern Luzon and the rest of Luzon, with coastal waters expected to be moderate to rough.

Wave heights in Northern Luzon may reach 2.1 to 4.5 meters, while the rest of Luzon may experience waves of 2.1 to 3.8 meters.

Visayas and Mindanao will have light to moderate winds from the east to northeast, with slight to moderate coastal waters and wave heights of 0.6 to 2.5 meters.

Typhoon outside PAR

As of 3 a.m. Wednesday, Typhoon Cempaka (2632), formerly Samuel, was located 2,440 kilometers east-northeast of extreme Northern Luzon, outside the Philippine Area of Responsibility.

The typhoon was packing maximum sustained winds of 140 kilometers per hour near the center and gustiness of up to 170 kph. It was moving east-northeastward at 35 kph.

Temperature and astronomical data

For the 24-hour period ending 8 p.m. Tuesday, the highest temperature recorded was 31.7 degrees Celsius at 3 p.m., while the lowest was 24.3 degrees Celsius at 7 a.m.

Relative humidity ranged from a minimum of 48% at 3 p.m. to a maximum of 89% at 7 a.m.

In Metro Manila, sunrise is at 5:55 a.m. and sunset at 5:25 p.m. Wednesday. The moon is expected to rise at 7:25 a.m. and set at 6:47 p.m., with 5% illumination.