A new tropical cyclone named KOMPASU (named "Maring" in the Philippines) formed over the northern Philippine Sea on 10 October and started moving west towards northern Luzon. On 11 October at 0.00 UTC its centre was located offshore approximately 215 km east of Santa Ana Town (northern Luzon) and 240 km east of the Babuyan Islands, with maximum sustained winds of 93 km/h (tropical storm).

KOMPASU is forecast to pass over the Babuyan Channel in the late morning (UTC) of 11 October, with maximum sustained winds up to 100 km/h. It is expected to continue moving westward over the South China Sea, strengthening, and it is forecast to reach the coast of southern Hainan Island (China) on 13 October.

Over the next 24 hours, heavy rain, strong winds and storm surge are forecast over central and northern Luzon as well as over the Babuyan Islands. PAGASA has issued a tropical cyclone wind signal No 1 and No 2 over the mentioned area.

As of 13 October 2021, the Philippines National Disaster Risk and Management Council (NDRRMC) reported 6,111 families (21,511 people) affected, 11,525 people displaced, 13 dead, 9 missing and 3 injured. Heavy rain caused flooding in 107 locations and 14 landslides across Regions 1, 2, 3, MIMAROPA, CARAGA, and CAR.

Six people lost their lives in landslides in Benguet province and 5 people died in flash floods in Palawan Province. Fifty-five houses have been destroyed and 54 severely damaged. Roads in 108 locations and 21 bridges were also damaged. At one point power was cut in 58 cities or municipalities.

Typhoon Kompasu (known as Maring in the Philippines) in now tracking over the South China Sea heading towards China’s Hainan Island and Vietnam.