The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 5 p.m. this afternoon. Large breaking waves of 8 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

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 4, 2025, 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.

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory is in effect for Guam, Rota, Tinian, and Saipan until 4 p.m. this afternoon. Large breaking waves of 7 to 9 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

The National Weather Service (NWS) Guam Weather Forecast Office advised very dry conditions and gusty winds will maintain a high fire threat.

A red flag warning remains in effect for Guam until 6 p.m. Friday. Northeast winds of 15 to 25 mph, with higher daytime gusts, and humidity down to 50 to 60 percent at times are expected. The combination of strong winds, low relative humidity, and warm temperatures will create ideal conditions for rapid spread of wildfires. Refrain from outdoor burning.

The National Weather Service (NWS) Guam Weather Forecast Office advised very dry conditions and occasionally gusty winds will lead to rapid fire spread today.

A red flag warning is in effect for Guam until 7 p.m. this evening. East winds of 10 to 20 mph, with higher daytime gusts, and humidity down to 55 to 60 percent at times are expected. The combination of strong winds, low relative humidity, and warm temperatures will create ideal conditions for rapid spread of wildfires. Refrain from outdoor burning.

The National Weather Service (NWS) Guam Weather Forecast Office advised gusty daytime winds and dry conditions will result in a high fire threat.

A red flag warning is in effect from 10 a.m. this morning to 7 p.m. Sunday for Guam. East winds of 15 to 25 mph, with gusts to 35 mph, and humidity down to 50 to 60 percent at times are expected. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 4 p.m. Thursday. Large breaking waves of 8 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan and has been extended to 6 a.m. Saturday. Large breaking waves of 9 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

The Offices of Guam Homeland Security and Civil Defense, along with the Mariana Regional Fusion Center (MRFC), continue to receive reports of purported scams to unassuming recipients. The community is advised to be cautious of generative artificial intelligence (AI) videos, commonly referred to as “deepfake,” to include ones seemingly from known individuals congratulating you on winning a sweepstake or trying to gather personal or financial information from you. By using deepfakes, criminals can target a larger audience and use more realistic methods to disguise their illicit activities.

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 5 p.m. Friday. Large breaking waves of 7 to 10 feet are expected along north facing reefs. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.