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June 2018 is Typhoon Preparedness Month

SEARCH THROUGH THIS WEBSITE. 

 

 

1:00 p.m. Heavy Rain and Strong Wind Gusts Possible This Weekend into Next Week

The National Weather Service (NWS) Guam Weather Forecast Office issued a hydrologic outlook for Guam, Rota, Tinian, and Saipan. Periods of heavy rainfall may develop this weekend into early next week. Currently, a broad and weak circulation is forming southwest of Chuuk and is expected to slowly head west-northwest towards the Marianas the next several days.

No Direct Physical Threat to Guam Amid International Situation; Awareness Remains Key

Agana Heights, Guam — The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD) is closely monitoring the evolving international situation referred to as “Operation Epic Fury,” a series of escalating military actions and counteractions involving the United States, Israel, and Iran in the Middle East.

7:55 a.m. Flash Flood Warning Now in Effect, Practice Caution

The National Weather Service (NWS) Weather Forecast Office Guam issued a flash flood warning now in effect for Guam until 9:15 a.m. this morning. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 2 to 4 inches are possible. Flash flooding is ongoing or expected to begin shortly.  

 

The community is advised to take the following actions:

Be Cautious of AI-Generated Deepfakes

Agana Heights, Guam – The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD) , in coordination with the Mariana Regional Fusion Center (MRFC), are alerting the community to a rise in "deepfakes” – manipulated videos and audio created using artificial intelligence (AI) to impersonate real people and carry out misinformation campaigns and financial scams.

6:35 a.m. Hazardous Surf and Seas Remain; Stay Out of the Water Due to Life Threatening Conditions

The National Weather Service (NWS) Weather Forecast Office Guam advised a broad, disorganized shear line near Guam waters continues to sweep gradually across the Marianas, generating hazardous to dangerous conditions across all coastal waters.
 

Remain out of the water due to life-threatening surf conditions. Stay off jetties, piers, and other waterside infrastructure.

 

Advisories in Effect:

6:30 a.m. Hazardous Seas, Surf and Strong Rip Currents through Thursday; Heavy Rainfall Possible through Wednesday Afternoon

The National Weather Service (NWS) Weather Forecast Office Guam issued a hydrologic outlook for Guam, Rota, Tinian, and Saipan. A shear line is pushing southward near Guam and Rota, bringing showers, gusty winds and the potential for thunderstorms and locally heavy rainfall. 

GHS/OCD, NBG, and AAFB to Conduct Routine Testing of Advanced Warning Systems

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), U.S. Naval Base Guam (NBG), and Andersen Air Force Base (AAFB) will conduct routine testing of the vital communication and advance warning system sirens, respectively, on Tuesday, March 3, 2026, starting at 3:15 p.m.

GHS/OCD will test the All Hazards Alert Warning System (AHAWS) sirens in conjunction with NBG and AAFB monthly routine testing of the “Giant Voice (GV)” sirens.

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