Radar shows locally heavy rainfall developing over parts of the island, mainly over central and southern Guam. Possible rainfall totals of 0.6 to 1.2 inches of rain are possible. For more information:
For southern Guam until 130 pm Oct 12, 2024
Excessive rainfall is causing localized flooding.
Areas include Talofofo, Inarajan, Merizo and Umatac.
More info:
SEPTEMBER 27, 2024
***SPECIAL MARINE WARNING THROUGH 7 PM***
Thunderstorms producing frequent lightning in Saipan coastal waters. Small craft could be damaged in briefly higher winds and suddenly higher waves.
NO TSUNAMI THREAT FROM EARTHQUAKE NEAR THE MARIANAS
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.4 OCCURRED ABOUT 110 MILES EAST OF GUGUAN AT 937 PM CHST ON MONDAY SEPTEMBER 16 2024.
* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT.
For central to southwest Guam until 1PM Sept 9, 2024
Heavy rain and thunderstorms are producing heavy rain that can lead to localized flodding.
Areas include Barrigada, Hagatna Heights, Piti, Santa Rita, Apra Harbor and surrounding areas.
More info:
Guam, it's your turn for the heavy rain!
A Flood Advisory is in effect until 2pm for all of Guam.
Heavy rain causing minor flooding in low-lying and poor drainage areas across Guam.
Latest forecast, go to:
A Flood Advisory is in effect until noon for Tinian and Saipan.
Heavy rain is causing minor flooding in low-lying and poor drainage areas across Tinian and Saipan. More heavy rain expected this morning.
For latest forecast and info:
1:47 PM ChST - Aug 10, 2024 - No Tsunami Threat From earthquake in the Sea of Okhotsk.
A preliminary magnitude 6.8 earthquake occurred at 1:28 PM ChST, in the Sea of Okhotsk.
There is no tsunami threat according to Pacific Tsunami Warning Center.
10:40 AM Aug 10, 2024 - Island-effect showers creating funnel clouds/ possible landspouts
Most never touch the ground, and usually only last for a few minutes. We issued a Special Weather Statement to talk about these funnels and it can be found at .
NO TSUNAMI THREAT FROM EARTHQUAKE NEAR THE PHILIPPINES 8:45 AM August 3, 2024
A magnitude 7 earthquake occurred at 8:23 AM ChST, near the Philippines. There is no tsunami threat according to Pacific Tsunami Warning Center.
Additional Info:
Marianas Forecast Update - 8:30 AM August 3rd 2024
After the numerous showers overnight, especially around Guam and Rota, radar has shown a decrease in showers this morning. Still expecting numerous showers to rebuild over the Marianas tonight.