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.

GHS/OCD Public Advisory: High Rip Current Risk (June 19, 2026)

GHS/OCD PUBLIC ADVISORY
High Rip Current Risk — East-Facing Reefs
Issued: June 19, 2026 - 1100 ChST

A High Rip Current Risk is in effect for the east-facing reefs of Guam until 5 PM ChST this afternoon. NWS reports buoy data indicating seas capable of producing surf up to 11 ft along east-facing reefs. Dangerous rip currents can occur with surf of these heights throughout the remainder of today.

CURRENT STATUS
- High Rip Current Risk in effect until 5 PM ChST today
- Hazard area: east-facing reefs of Guam
- Surf up to 11 ft along east-facing reefs

Read more about GHS/OCD Public Advisory: High Rip Current Risk (June 19, 2026)

GHS/OCD Public Advisory: Tropical Depression 07W (formerly Invest 92W), June 19, 2026

GHS/OCD PUBLIC ADVISORY
Tropical Depression 07W — Update (formerly Invest 92W)
Issued: June 19, 2026 - 1050 ChST

Guam Homeland Security/Office of Civil Defense (GHS/OCD), in coordination with the National Weather Service (NWS) in Tiyan, advises that the weather system previously identified as Invest 92W has been upgraded to Tropical Depression 07W. The system passed south of Guam overnight and is now moving away from the Marianas into the Philippine Sea.

Read more about GHS/OCD Public Advisory: Tropical Depression 07W (formerly Invest 92W), June 19, 2026

GHS/OCD Public Advisory: Wind & Small Craft Advisory (June 19, 2026)

GHS/OCD PUBLIC ADVISORY
Wind Advisory & Small Craft Advisory
Issued: June 19, 2026 - 0800 ChST

Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises the public that the National Weather Service (NWS) in Tiyan has issued a Wind Advisory for Guam and a Small Craft Advisory for Guam coastal waters, both in effect until 5:00 p.m. ChST today, Friday, June 19, 2026.

The advisories follow a tropical disturbance south of Guam that has produced higher winds and seas across the area. Conditions are expected to ease this afternoon.

WHAT TO EXPECT

Read more about GHS/OCD Public Advisory: Wind & Small Craft Advisory (June 19, 2026)

11:55 a.m. Tsunami Advisory Canceled for Guam and CNMI

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 8.2, that was later downgraded to M 7.8, that occurred 24 km WSW of Burias, Philippines with a depth of 25.0 km, at 9:37 a.m. (ChST).

As advised by the Pacific Tsunami Warning Center, the tsunami advisory is no longer in effect for Guam and the CNMI. Based on available data, there is no tsunami threat to Guam and the CNMI. However, strong currents can still occur.

Read more about 11:55 a.m. Tsunami Advisory Canceled for Guam and CNMI

11:00 a.m. Update: Tsunami Advisory Remains in Effect for Guam and CNMI from Philippines Earthquake

As advised by the Pacific Tsunami Warning Center, a tsunami advisory remains in effect for Guam and the CNMI. Based on available data, there is a potential threat to Guam and the CNMI. Sea level fluctuations and strong ocean currents that could be a hazard along beaches, in harbors, and in coastal waters.

What to Expect:

Read more about 11:00 a.m. Update: Tsunami Advisory Remains in Effect for Guam and CNMI from Philippines Earthquake

10:10 a.m. Tsunami Advisory Issued for Guam and CNMI from Philippines Earthquake

Tsunami Advisory Issued for Guam and CNMI from Philippines Earthquake

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 8.2, that was later downgraded to M 7.8, that occurred 24 km WSW of Burias, Philippines with a depth of 25.0 km, at 9:37 a.m. (ChST).

Read more about 10:10 a.m. Tsunami Advisory Issued for Guam and CNMI from Philippines Earthquake

Press Release - OHS-OCD Postpones Routine AHAWS Siren Test

The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD) has postponed the routine test of the All Hazards Alert Warning System (AHAWS) sirens scheduled for this afternoon.

The postponement is due to a delay in the completion of antenna repairs needed to support system testing operations. OHS-OCD is continuing to work with technical personnel to complete the necessary repairs and ensure the system is functioning as intended prior to conducting the test.

Read more about Press Release - OHS-OCD Postpones Routine AHAWS Siren Test

11:00 a.m. Flood Advisory in Effect; Practice Caution

The National Weather Service (NWS) Weather Forecast Office Guam issued a flood advisory for Guam until 1:00 p.m. this afternoon. Heavy rain is causing urban and small stream flooding in low-lying and poor drainage areas.

The community is advised to take the following actions:

Read more about 11:00 a.m. Flood Advisory in Effect; Practice Caution

Press Release - OHS-OCD Hosts Network Traffic Analysis Training

The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD), in conjunction with the National Cybersecurity Preparedness Consortium (NCPC), will host a Network Traffic Analysis (PER-418) training from Monday, June 29 through Wednesday, July 1, 2026, 8:00 a.m. – 5:00 p.m. at the OHS-OCD facility in Agana Heights.

Read more about Press Release - OHS-OCD Hosts Network Traffic Analysis Training

2:40 p.m.- No Immediate Threat to Marianas from Reported North Korea Launch

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), in conjunction with the Mariana Regional Fusion Center (MRFC), federal and military partners, continue to monitor events surrounding the region including reports of the recent launch of an unidentified projectile out of the Democratic People’s Republic of Korea (DPRK) today.

Read more about 2:40 p.m.- No Immediate Threat to Marianas from Reported North Korea Launch

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CONTACT GHS/OCD

Wildfire

Fire Weather

Drought

Conserve water

Department of Homeland Security (DHS) Definition of Terrorism

June 2018 is Typhoon Preparedness Month

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