Heavy Rain Expected for Portions of Guam, Practice Caution on the Roads


Heavy Rain Expected for Portions of Guam, Practice Caution on the Roads

The National Weather Service (NWS) Guam Weather Forecast Office issued a short term forecast for Guam and Guam coastal waters.

Through 5 p.m., slow-moving showers will bring heavy rain to portions of Guam. Rainfall of an inch or more is possible, with brief flooding of roads and poor drainage area. Brief lightning is also possible with these showers. If driving, be alert for sudden heavy showers and water ponding on the road. Boaters can expect visibility down to half a mile in heavy showers. Boaters are advised to stay below deck if lightning is seen or thunder is heard.

thunderstorm advisory is in effect for the Guam International Airport through 6 p.m. this evening. Thunderstorms will be possible or will occur within 20 nautical miles of the airport during this time. Be alert and take precautions as required.

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) advise the community to practice extreme caution while traveling in rainy conditions, driving below the speed limit and allowing enough braking distance between vehicles. 

Visit the following links for the latest advisory information:


For more information, contact GHS/OCD Public Information Officer Jenna G. Blas at (671) 489-2540 or via email at jenna.g.blas@ghs.guam.gov.



Join the GHS/OCD Email List


Back to top

June 2018 is Typhoon Preparedness Month