Guam hurricanes and tropical storms
Every recorded hurricane or tropical storm record since 1996 · 1 county with a record
NOAA's Storm Events Database records 31 hurricane and tropical storm records in Guam from 1996 through June 30, 2026, about 1.9 a year since 2000. The deadliest was Typhoon Mawar (May 23, 2023) in Guam: 2 deaths and $3.9 billion in damage in 2025 dollars.
Hurricanes and tropical storms in Guam, 1996 to 2026
Tropical records per year (NOAA Storm Events); 2026 to June 30, 2026.
- recorded, no damage figure
- under $1 million
- $1 million or more
- $10 million or more
- $100 million or more, or 10 deaths
- $1 billion or more, or 100 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- Records
- 311996 to June 30, 2026
- A year since 2000
- 1.9average
- Deaths
- 5306 injuries
- Damage, 2025 dollars
- $5.5Bas filed
- Busiest year
- 20155 records
Source: NOAA NCEI Storm Events Database, records through June 30, 2026; deaths and damage as filed, damage in 2025 dollars. Search the record at NCEI.
Are hurricane and tropical storm records common in Guam?
Guam averages about 1.9 hurricane and tropical storm records a year since 2000. The busiest year on record was 2015 (5).
Source: NOAA NCEI Storm Events Database, records since 1996, per 10,000 square miles of land area (Census Bureau 2024 Gazetteer; places under 1,000 square miles not ranked). Damage colours: Storm Events damage, 2025 dollars.
When is hurricane season in Guam?
Guam's hurricane and tropical storm records by month. The busiest month is October (6 records).
The values, month by month
Jan 0 · Feb 0 · Mar 1 · Apr 2 · May 3 · Jun 0 · Jul 5 · Aug 5 · Sep 4 · Oct 6 · Nov 2 · Dec 3 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began, since 1996.
What were the deadliest hurricane and tropical storm records in Guam?
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2023-05-23 | Typhoon Mawar · Hurricane (Typhoon)Guam · forecast zone Guam On May 17th a circulation that had been over the area for a few days was classified as Invest 97W by JTWC. 97W was located to the west-southwest of Chuuk at that time. Scatterometer data showed a west-wind burst south of the circulation with winds up to 30 knots. On the morning of May 18th, 97W was located near ... | 2 | 0 | $3.9B | |
| 2026-04-13 | Super Typhoon Sinlaku · Tropical StormGuam · forecast zone Guam Super Typhoon Sinlaku passed north of Guam and Rota and passed near or over Tinian and Saipan on April 15. Tropical storm winds started 1900ChST April 13 and ended just before 1300ChST April 16. Strong westerly tropical storm winds were recorded on Guam. The Apra Harbor Tide Gauge recorded a max wind of 58 mph at ... | 2 | 0 | $437M | |
| 2002-12-08 | Super Typhoon Pongsona · Hurricane (Typhoon)Guam · forecast zone Guam A circulation became Tropical Depression 31W early on the morning of the 3rd. It was about 70 miles north-northeast of Kosrae. It quickly became Tropical Storm Pongsona later that morning. On the evening of the 5th it became Typhoon Pongsona, it was150 miles east-northeast of Chuuk. Typhoon Pongsona's eye crossed the ... | 1 | 300 | $205M |
Source: NOAA NCEI Storm Events Database: deaths direct and indirect, as filed by the National Weather Service, summed over each storm (one episode, or one named storm filed by several offices). Storm names from the titles of FEMA declarations that name the storm's counties.
The costliest hurricane and tropical storm records in Guam
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2023-05-23 | Typhoon Mawar · Hurricane (Typhoon)Guam · forecast zone Guam | 2 | 0 | $3.9B | |
| 1997-12-15 | Typhoon Paka · Hurricane (Typhoon)Andersen Afb, Guam | 0 | 2 | $919M | |
| 2026-04-13 | Super Typhoon Sinlaku · Tropical StormGuam · forecast zone Guam | 2 | 0 | $437M | |
| 2002-12-08 | Super Typhoon Pongsona · Hurricane (Typhoon)Guam · forecast zone Guam | 1 | 300 | $205M | |
| 2018-09-10 | Typhoon Mangkhut · Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $11M | |
| 2015-05-14 | Typhoon Dolphin · Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $7.7M | |
| 2015-07-05 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $2.5M | |
| 2014-07-03 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $1.9M |
Source: NOAA NCEI Storm Events Database: property and crop damage as estimated by the National Weather Service, in 2025 dollars.
Are hurricane and tropical storm records becoming more frequent in Guam?
Guam's count per decade against the whole country's, and its share. NOAA recorded every event type only from 1996, so earlier decades are not comparable; the share of the national total is the fairer comparison across decades.
| Decade | Guam | United States | Guam's share |
|---|---|---|---|
| 1996-99 | 4 | 1,123 | 0.36% |
| 2000s | 9 | 4,928 | 0.18% |
| 2010s | 13 | 2,761 | 0.47% |
| 2020-26 | 5 | 2,697 | 0.19% |
Source: NOAA NCEI Storm Events Database.
The most recent hurricane and tropical storm records in Guam
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-04-13 | Tropical StormGuam · forecast zone Guam | 2 | 0 | $437M | |
| 2023-05-23 | Hurricane (Typhoon)Guam · forecast zone Guam | 2 | 0 | $3.9B | |
| 2018-10-24 | Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $881K | |
| 2018-09-10 | Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $11M | |
| 2015-07-05 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $2.5M | |
| 2015-05-14 | Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $7.7M | |
| 2014-07-29 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $1.2M | |
| 2014-07-03 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $1.9M | |
| 2004-08-22 | Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 4 | $39K | |
| 2002-12-08 | Hurricane (Typhoon)Guam · forecast zone Guam | 1 | 300 | $205M | |
| 2000-09-05 | Tropical StormGuam · forecast zone Guam | 0 | 0 | $857K | |
| 2000-07-04 | Hurricane (Typhoon)Guam · forecast zone Guam | 0 | 0 | $857K |
Source: NOAA NCEI Storm Events Database, records through June 30, 2026; the newest months are revised by NCEI as reports arrive. Search the record at NCEI.
Federal disaster declarations for hurricane and tropical storm records in Guam
FEMA has declared 21 disasters in Guam for hurricane and tropical storm, counting its incident type and declarations that name hurricane or tropical storm or typhoon in the title (FEMA files most storm disasters under Severe Storm); 17 were major disasters, the latest on July 3, 2026.
| Declared | Number | Title | Areas named |
|---|---|---|---|
| 2026-07-03 | EM-3648 | Typhoon Bavi | 1 |
| 2026-06-30 | DR-4921 | Super Typhoon Sinlaku | 1 |
| 2026-04-11 | EM-3644 | Typhoon Sinlaku | 1 |
| 2023-10-08 | EM-3601 | Tropical Storm Bolaven | 1 |
| 2023-05-25 | DR-4715 | Typhoon Mawar | 1 |
| 2023-05-22 | EM-3594 | Typhoon Mawar | 1 |
| 2019-05-07 | DR-4433 | Typhoon Wutip | 1 |
| 2018-10-01 | DR-4398 | Typhoon Mangkhut | 1 |
| 2015-06-05 | DR-4224 | Typhoon Dolphin | 1 |
| 2014-09-10 | DR-4191 | Tropical Storm Halong | 1 |
| 2004-07-29 | DR-1533 | High Winds, Flooding, and Mudslides As A Result of Tropical Storm Tingting | 1 |
| 2002-12-08 | DR-1446 | Super Typhoon Pongsona | 1 |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), through October 2, 2026. OpenFEMA dataset page.