High Surf, Tutuila
- When
- August 21, 2:43 PM SST to August 24, 2:12 PM SST
- Where
- Tutuila forecast zone
- Reported by
- NWS Employee
Large surf heights of 8 to 10 feet will affect southwest through southeast facing shores.
High Surf in American Samoa, August 21 to 24, 2018
Moderate to fresh easterlies will continue to dominate over the|forecast area as a surface ridge to the south migrate eastward|through Wednesday. Current PacIOOS Aunu'u wave buoy observations show seas within 6|to 8 feet this afternoon largely due to the winds.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS ASO wrote it up.
Moderate to fresh easterlies will continue to dominate over the|forecast area as a surface ridge to the south migrate eastward|through Wednesday. Current PacIOOS Aunu'u wave buoy observations show seas within 6|to 8 feet this afternoon largely due to the winds.
Event by event
3 high surf. Local standard time, as filed.
High Surf, Manu'A
- When
- August 21, 2:43 PM SST to August 24, 2:12 PM SST
- Where
- Manu'A forecast zone
- Reported by
- NWS Employee
Large surf heights of 8 to 10 feet will affect southwest through southeast facing shores.
High Surf, Swains
- When
- August 21, 2:43 PM SST to August 24, 2:12 PM SST
- Where
- Swains forecast zone
- Reported by
- Buoy
Large surf heights of 8 to 10 feet will affect southwest through southeast facing shores.
What these are
- High Surf
- Large waves breaking on the shore that caused damage, erosion or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flooding in Arizona, August 21 to 23, 2018
- Flash Flooding and Hail in Utah, August 21 to 23, 2018
- Flash Flood and Damaging Wind in North Carolina, August 21, 2018
- Tornado and Flash Flood in Pennsylvania, August 21, 2018
- Flooding in Virginia, August 21 to 22, 2018
- Tornado in Pennsylvania, August 21, 2018
- Flooding in Maryland, August 21 to 22, 2018
- High Surf in Hawaii, August 21 to 27, 2018
- Flash Flooding in Pennsylvania, August 21 to 22, 2018
- Flash Flooding and Flooding in West Virginia, August 21 to 22, 2018
- Damaging Winds in West Virginia, August 21, 2018
- Flash Flooding and Damaging Winds in Pennsylvania, August 21 to 22, 2018
More
Every storm in American Samoa in 2018Every state in 2018This day in weather historyWarnings in American Samoa, August 2018
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. Each event’s entry at NCEI: 805610, 805611, 805615.