Through 2:30 p.m., thunderstorms and periodic heavy showers will impact Guam, and adjacent western and northern waters. Up to a half inch of rain is possible.
Motorists are advised to be prepared for brief flooding of roads and lower visibilities in heavy downpours. Mariners are advised to be cautions for visibilities down to half a mile and dangerous lightning. Boaters are advised to go below deck and avoid touching ant metal parts.
A thunderstorm warning is in effect for the Guam International Airport until 2 p.m. Thunderstorms are occurring within 5 nautical miles of the airport. A thunderstorm advisory remains in effect until 6:30 p.m. Thunderstorms are still expected within 20 nautical miles of the airport until then.
A coastal hazard statement remains in effect for Guam, Rota, Tinian, and Saipan through today. Large quantities of box jellyfish are expected through today for the Marianas beaches and surrounding waters. Swimmers and beach goers are advised to stay alert and report jellyfish sightings to life guards, hotel management, or authorities. Avoid contact with jellyfish.
The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) remind residents and visitors to avoid hazardous seas, until conditions subside. Heed the advice of lifeguards, beach patrol flags, and signs. If driving, be prepared for heavy rain and brief flooding of roads. If lightning is seen or thunder is heard, seek shelter in buildings or vehicles.
Visit the following links for the latest information:
· NWS Website: https://www.weather.
· NWS Facebook: https://www.
· GHS/OCD Website: https://ghs.guam.gov/
· GHS/OCD Facebook: https://www.
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.