Good Morning. Hafa Adai & Welcome...to the official GHS/OCD Website.
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Contact Us
Tel: 671-475-9600
Fax: 671-477-3727
Email: info@ghs.guam.gov
Location: 221B Chalan Palasyo Agana Heights, Guam 96910
Welcome to the official GHS/OCD website!
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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:
The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD), in conjunction with the Texas A&M Engineering Extension Service (TEEX), will host the following training opportunities at the OHS-OCD facility in Agana Heights:
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.
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.
Agana Heights, Guam – The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD), in a joint effort with Joint Task Force-Micronesia (JTF-M), conducted Exercise Black Hydra today, a discussion-based cybersecurity tabletop exercise held at the OHS-OCD Initial Operating Facility (IOF) in Agana Heights on February 10, 2026.





