Hazardous Weather Continues Across Guam — Residents Urged Not to Let Their Guard Down

The Guam Homeland Security/Office of Civil Defense (GHS/OCD), in coordination with the National Weather Service (NWS) Tiyan, is advising the public that hazardous weather conditions will continue to affect Guam through the weekend. According to the NWS, as of 1 p.m. ChST, Category 2 Typhoon Choi-wan was located approximately 385 miles north of Guam, near Agrihan, and moving northeast at 7 mph. Guam is not under a Tropical Storm Warning or Typhoon Warning.

Heavy Rain, Strong Winds and Hazardous Seas Continue Across Guam

The Guam Homeland Security/Office of Civil Defense (GHS/OCD) is updating the public on hazardous weather conditions affecting Guam this weekend. A Flood Watch and Wind Advisory remain in effect for Guam, while a Gale Warning remains in effect for Guam coastal waters as strong southwest winds, heavy rainfall, hazardous surf, and dangerous marine conditions continue across the island and surrounding waters.


GHS/OCD Phone Lines Temporarily Down; Alternate Number Available

The Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises the public that a power outage at its offices has temporarily disrupted incoming phone service. Normal phone lines are currently unavailable.

Until service is restored, anyone needing to reach GHS/OCD may call (671) 488-5818.

GHS/OCD is working to restore normal operations and will provide an update when regular phone service resumes.

 

Multiple Weather Hazards in Effect for Guam Through the Weekend

Multiple Weather Hazards in Effect for Guam Through the Weekend

Issued: October 2, 2026 — 7:45 a.m. ChST

The Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises residents that the National Weather Service (NWS) Tiyan has issued several weather products for Guam in association with Tropical Storm Choi-wan (26W). Hazardous weather and marine conditions are affecting Guam. Residents should prepare for heavy rainfall this morning, strong southwest winds, and hazardous surf and marine conditions continuing over the weekend.

Flood Watch in Effect for Guam – Tuesday Morning Through Wednesday Evening

PUBLIC ADVISORY

Flood Watch in Effect for Guam


Issued: September 21, 2026 — 4:22 p.m. ChST

The Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises residents that the National Weather Service (NWS) Tiyan has issued a Flood Watch for Guam, in effect from Tuesday morning, September 22, through Wednesday evening, September 23, 2026. Flash flooding caused by excessive rainfall is possible.


Current Status

No Immediate Threat to Guam or the Marianas Assessed from Reported North Korea Launches

No Immediate Threat to Guam or the Marianas Assessed from Reported North Korea Launches

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 multiple ballistic missile launches out of the Democratic People's Republic of Korea (DPRK) today.

PUBLIC ADVISORY : Flash Flood Warning in Effect for Central Guam

PUBLIC ADVISORY
Flash Flood Warning in Effect for Central Guam


Issued: September 9, 2026 — 3:32 p.m. ChST

The Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises residents that the National Weather Service (NWS) Tiyan has issued a Flash Flood Warning for central Guam, in effect until 4:30 p.m. ChST this afternoon, Wednesday, September 9, 2026. A Flood Advisory is also in effect for all of Guam until 5:30 p.m. ChST.


Current Status

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