Extreme weather and natural disasters
Guam can experience natural disasters and severe weather, such as:
To protect yourself in case of a natural disaster:
- secure your passport in a safe, waterproof place
- monitor local media and other sources such as the Global Disaster Alert and Coordination System
- follow the advice of local authorities
- keep in touch with your friends and family
Tropical storms and typhoons
Super Typhoon Bavi crossed Guam as a category 5 hurricane, bringing heavy rain, violent wind and flooding. There's widespread infrastructure damage and disruption to essential services such as transport, electricity, communications, water and food supplies. Contact your tour operator or airline for information on travel
disruptions. Exercise caution, check local media and follow the instructions of local authorities in affected areas.
Tropical storms and typhoons mostly occur from June to December and peak in August.
The direction and strength of typhoons can change with little warning.
Tropical storms and typhoons can:
- happen in any month
- cause flooding and landslides
- disrupt services
If there's a typhoon or severe tropical storm:
- you may get stuck in the area
- flights could be delayed or suspended and available flights may fill quickly
- there may not be enough shelter available
- water conditions may be hazardous and ports may close
Monitor weather updates and warnings:
To protect yourself if a typhoon or severe storm is approaching:
- know the evacuation plan for your hotel or cruise ship
- identify your local shelter
- stay away from beaches and coastal areas as winds may cause swells, wind waves, surf and rip currents.
Earthquakes
Earthquakes can happen in Guam.
To protect yourself during an earthquake:
After an earthquake:
- expect aftershocks
- be ready for delays and to adjust your travel plans
- ask your tour operator if tourist services at your destination have been affected
Tsunamis
Tsunamis can happen.
Register for tsunami alerts:
Move immediately to high ground if you:
- feel a strong earthquake that makes it hard to stand up
- feel a weak, rolling earthquake that lasts a minute or more
- see a sudden rise or fall in sea level
- hear loud and unusual noises from the sea
Don't wait for official warnings, such as alarms or sirens.
Move to higher ground straight away if advised by local authorities. Once on high ground, monitor local media.