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Timeline of the 2023 Pacific typhoon season
Season summary map
Season boundaries
First system formed	March 4, 2023
Last system dissipated	December 18, 2023
Strongest system
Name	Mawar
Maximum winds	215 km/h (130 mph) (10-minute sustained)
Lowest pressure	900 hPa (mbar)
Longest lasting system
Name	Khanun
Duration	13 days
Storm articles Typhoon Mawar Tropical Storm Talim (2023) Typhoon Doksuri Typhoon Khanun (2023) Typhoon Lan (2023) Typhoon Dora Typhoon Saola (2023) Typhoon Haikui (2023) Typhoon Storm Yun-yeung Typhoon Koinu Typhoon Bolaven (2023)

This timeline documents all of the events of the 2023 Pacific typhoon season. Most of the tropical cyclones form between May and November. The scope of this article is limited to the Pacific Ocean, north of the equator between 100°E and the International Date Line. Tropical storms that form in the entire Western Pacific basin are assigned a name by the Japan Meteorological Agency while tropical depressions that form in this basin are given a number with a "W" suffix by the United States' Joint Typhoon Warning Center. In addition, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones (including tropical depressions) that enter or form in the Philippine area of responsibility. These names, however, are not in common use outside of the Philippines.

During the season, 29 systems were designated as tropical depressions by either the Japan Meteorological Agency (JMA), the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), the Joint Typhoon Warning Center (JTWC), or other National Meteorological and Hydrological Services such as the China Meteorological Administration and the Hong Kong Observatory. As they run the Regional Specialized Meteorological Centre for the Western Pacific, the JMA assigns names to tropical depressions should they intensify into a tropical storm. PAGASA also assign local names to tropical depressions which form within their area of responsibility; however, these names are not in common use outside of PAGASA's area of responsibility.

Timeline

January

January 1

• 00:00 UTC — The 2023 Pacific typhoon season officially begins.

March

March 4

• 06:00 UTC at 2°N 107°E / 2; 107 ― The Japan Meteorological Agency notes that a tropical depression with a minimum pressure of 1,012 hPa (29.9 inHg) formed east of Singapore.

March 5

• 06:00 UTC at 3°N 109°E / 3; 109 ― The Japan Meteorological Agency issues their last advisory on the tropical depression as it simultaneously attains an initial minimum pressure of 1,010 hPa (30 inHg).

March 6

• 06:00 UTC at 3.1°N 109.2°E / 3.1; 109.2 ― The Japan Meteorological Agency notes that the tropical depression regenerated and attained a minimum pressure of 1,018 hPa (30.1 inHg).

March 7

• 12:00 UTC at 3°N 110°E / 3; 110 ― The Japan Meteorological Agency issues their last advisory on the weakening tropical depression.

April

April 10

• 00:00 UTC at 12°N 135°E / 12; 135 ― The Japan Meteorological Agency notes that a tropical depression with a minimum pressure of 1,008 hPa (29.8 inHg) formed well east of the Philippines.
• 20:00 UTC (04:00 PHT on April 11) at 13.3°N 138.6°E / 13.3; 138.6 ― As the depression is located in their area of responsibility, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) issues their first advisory on Tropical Depression Amang 475 km (295 mi) east of Virac, Philippines.

April 11

• 00:00 UTC at 13.7°N 126.7°E / 13.7; 126.7 ― The Japan Meteorological Agency issues their first prognostic reasoning on Amang, noting that it had intensified to attain maximum sustained winds of 35 mph (55 km/h) and a minimum pressure of 1,004 hPa (29.6 inHg).
• 15:00 UTC (23:00 PHT) at 13.9°N 124.3°E / 13.9; 124.3 ― PAGASA notes that Amang made its first landfall over Panganiban, Catanduanes with sustained winds of 35 mph (55 km/h) and a minimum pressure of 1,006 hPa (29.7 inHg).