Coastal Flood in Guam
Every coastal flood event the National Weather Service has filed in Guam, year by year, with the most significant episodes. Flooding of coastal land by the sea, from storm surge, onshore wind or high tides.
The most significant on the map
The most significant coastal flood episodes in Guam.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 15
- Deaths
- 0
- Injuries
- 1
- Damage
- $8.1 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Coastal Flood in Guam, December 4 to 5, 2021A combination of north swell and King Tides, plus higher sea levels from |an on going La Nina pattern produced an inundation event.
- Coastal Flood in Guam, March 2 to 6, 2014High Spring tides, also known as King Tides in Majuro, in addition to a large north to north-northwest swell caused flooding across eastern Majuro Atoll, eastern Arno Atoll, and parts of Mili and Kili atolls.
- Coastal Flood in Guam, July 11 to 14, 2015Typhoon Nangka moved across the Western Pacific during the first and second weeks of July.
- Coastal Flood in Guam, January 19 to 21, 2024A distant but powerful extratropical cyclone passing well north of Micronesia, created a long period north swell that traveled through the region.
- Coastal Flood in Guam, October 17 to 20, 2016Spring tides caused periods of coastal inundation at Majuro in the Marshall Islands|for a few days in October.
- Coastal Flood and Strong Wind in Guam, March 13 to 14, 2025An active Inter-Tropical Convergence Zone moved across the southern Republic of the Marshall Islands (RMI) and the States of Pohnpei and Kosrae within the FSM during the second full week of March.
- Coastal Flood in Guam, March 8 to 12, 2016Long period swell combined with a high Spring tide caused coastal flooding in portions of the Marshall Islands.
- Coastal Flood in Guam, January 23, 2023Ongoing La Ni a, with combination of Spring tide and north swell caused inundation in low lying areas.
- Coastal Flood in Guam, February 20 to 22, 2023Inundation occurred on February 20, 21, and 22 during afternoon high tide at the lagoon side of the airport road, and some low-lying area in Majuro. February 21 was the highest tide of the year.
- Coastal Flood in Guam, March 9 to 13, 2024A large trade-wind surge from Hawaii to the Marshall Islands generated a large easterly trade surge, while a strong extratropical system moving into the Pacific from Japan generated a elevated north swell into the region.
- Coastal Flood in Guam, March 1, 2024A long-period north swell generated by a distant low pressure system off the coast of Japan generated large surf along west, north, and east facing reefs and caused minor coastal inundation along some north facing shores.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.