Guam Homeland Security - Office of Civil Defense

X Flooding is a temporary overflowing of water onto land that is normally dry. Flooding may happen with only a few inches of water, or it may cover a house to the rooftop. There are many possible causes of floods including heavy rain, coastal storms and storm surge, waterway overflow from being blocked with debris, or overflow of levees, dams, or waste water systems. Flooding can occur slowly over many days or happen very quickly with little or no warning, called flash floods.

To learn more, visit https://www.ready.gov/floods

Wildfire

Regularly clean the roof and gutters.
Maintain an area approximately 30’ away from you home that is free of anything that will burn, such as wood piles, dried leaves, newspapers and other brush.
Connect garden hoses long enough to reach any area of the home and fill garbage cans, tubs, or other large containers with water.
Review your homeowner's insurance policy and also prepare/update a list of your home's contents.

Fire Weather

Turn on your TV/radio. You’ll get the latest weather updates and emergency instructions.
Know where to go. If you are ordered to evacuate, know the route to take and have plan of where you will go. Check-in with your friends and family.
Keep your car fueled, in good condition, and stocked with emergency supplies and a change of clothes.

Drought

Conserve water

Take shorter showers.

Turn off the water while brushing your teeth or shaving.
Run the washer less frequently and only when you have a full load.
Water your lawn less frequently and do so when the temperature is cooler in the early morning or late evening.
When you run the tap to heat or cool water, keep a pitcher to store the water and use it to water plants.
Avoid washing your car.

Practice fire prevention

Don't set off fireworks when conditions are dry.
Deposit cigarette butts in the proper receptacle to avoid starting a
Pour water over camp fires and backyard fire pits to ensure they are completely out before leaving them unattended.

Follow directions from local officials. If there are restrictions on water usage, be sure to heed them.

To learn more, visit https://www.ready.gov/wildfires and https://www.ready.gov/drought

X
Typhoons/Hurricanes are massive storm systems that form over the water and move toward land. Threats from typhoons/hurricanes include high winds, heavy rainfall, storm surge, coastal and inland flooding, and rip currents.

“Hurricanes” form in the Atlantic Northeast Pacific region and “Typhoons” form in the Northwest Pacific Region. These large storms are call cyclones in other parts of the world.

To learn more, visit https://www.ready.gov/hurricanes.

JIC Release No. 25 - Road Hazards Update; Utilities Update; Telecommunications Update

Road Hazards Update

At 11:55 a.m., the Guam Police Department (GPD) reported Chalan Palasyo (Snake Road), Maina is impassable due to a downed tree. The community is reminded to remain indoors until Condition of Readiness (COR) 4. If movement is absolutely necessary, use extreme caution. Be aware of dangerous hazards, including downed power lines, damaged trees, and debris in the roadway. Assume all downed lines are live and dangerous.

Read more about JIC Release No. 25 - Road Hazards Update; Utilities Update; Telecommunications Update

JIC Release No. 24 - Guam Remains in COR 1; DPW Crews Continue Clearing Major Roadways; GPD Reports Road Hazards; GSWA Update; DPR Update

Tropical Storm Force Winds Continue on Guam

From the latest brief from the National Weather Service, the eye of Typhoon Sinlaku has only moved 25 miles over the last 14 hours, which further highlights just how slow-moving the system has been, making it an extended period event.

Read more about JIC Release No. 24 - Guam Remains in COR 1; DPW Crews Continue Clearing Major Roadways; GPD Reports Road Hazards; GSWA Update; DPR Update

JIC Release No. 23 - Sinlaku Slow-Moving; Extended Period of Heavy Winds Expected; Remain Indoors

Sinlaku is slow moving. This is an extended period event. Guam can expect:

Read more about JIC Release No. 23 - Sinlaku Slow-Moving; Extended Period of Heavy Winds Expected; Remain Indoors

JIC Release No. 22 - Sinlaku Downgraded to a Typhoon

Read more about JIC Release No. 22 - Sinlaku Downgraded to a Typhoon

JIC Release No. 21 - Slow-Moving Sinlaku Extends Guam’s Peak Conditions; Schools Remain Closed Tomorrow; Utilities Update

Guam remains in Condition of Readiness (COR) 1. Joint Region Marianas remains in TCCOR 1E, indicating destructive winds of 50 knots (57 mph) or greater are occurring. Installation access points are closed, with the exception of U.S. Naval Hospital Guam for emergency department access only. REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

As NWS forecast, peak conditions continue into Tuesday night. Rainbands are currently moving over Guam. Gusts between 70-80 mph have already been recorded on the island, and may persist until Wednesday morning.

Read more about JIC Release No. 21 - Slow-Moving Sinlaku Extends Guam’s Peak Conditions; Schools Remain Closed Tomorrow; Utilities Update

JIC Release No. 20 - Damaging Winds Persist as Super Typhoon Sinlaku Passes North of Guam; Utilities Update

Guam, and the respective military bases, remain in Condition of Readiness (COR) 1, and Tropical Cyclone Condition of Readiness (TCCOR) 1. REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

Guam remains under both a tropical storm warning and a typhoon watch. As of 2 p.m., Sinlaku was located 14.6N and 146.1E, 100 miles northeast of Guam. It is moving northwest at 9 mph with maximum sustained winds of 155 mph. Rainbands continue to move over Guam. Gusts between 70-80 mph have already been recorded on Guam.

Read more about JIC Release No. 20 - Damaging Winds Persist as Super Typhoon Sinlaku Passes North of Guam; Utilities Update

JIC Release No. 19 - Gov. Leon Guerrero in Communication with FEMA, Fellow Governors

Guam, and the respective military bases, remain in Condition of Readiness (COR) 1, and Tropical Cyclone Condition of Readiness (TCCOR) 1.
REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

Read more about JIC Release No. 19 - Gov. Leon Guerrero in Communication with FEMA, Fellow Governors

JIC Release No. 18 - Worst Weather Expected Today; Hazardous Seas Through End of Week; Utilities Update; Transition Waste Disposal Sites Not Open; Emergency Shelter Update; Healthcare Update

Guam, and the respective military bases, remain in Condition of Readiness (COR) 1, and Tropical Cyclone Condition of Readiness (TCCOR) 1.
REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

Read more about JIC Release No. 18 - Worst Weather Expected Today; Hazardous Seas Through End of Week; Utilities Update; Transition Waste Disposal Sites Not Open; Emergency Shelter Update; Healthcare Update

JIC Release No. 17 - Sinlaku Update; Visitor Safety Guidance

Sinlaku Update; Visitor Safety Guidance

Guam, and the respective military bases, remain in Condition of Readiness (COR) 1, and Tropical Cyclone Condition of Readiness (TCCOR) 1. REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

Read more about JIC Release No. 17 - Sinlaku Update; Visitor Safety Guidance

JIC Release No. 16 - Remain Indoors; Guam in COR 1; Transition Disposal Sites Not Open; Utilities Update

Guam, and the respective military bases, remain in Condition of Readiness (COR) 1, and Tropical Cyclone Condition of Readiness (TCCOR) 1 as of 4 p.m., April 13, 2026.

REMAIN INDOORS UNTIL COR 4 IS ANNOUNCED.

Transition Waste Disposal Sites Not Open

Read more about JIC Release No. 16 - Remain Indoors; Guam in COR 1; Transition Disposal Sites Not Open; Utilities Update

26.7 C / 80 F

ABOUT GHS/OCD

ARE YOU READY?

PREPAREDNESS

DISASTER ASSISTANCE

OPERATIONS

CONTACT GHS/OCD

Wildfire

Fire Weather

Drought

Conserve water

Department of Homeland Security (DHS) Definition of Terrorism

June 2018 is Typhoon Preparedness Month

Pages