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June 2018 is Typhoon Preparedness Month

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NWS Advisories in Effect for the Marianas; Avoid Hazardous Seas

The National Weather Service (NWS), Guam Weather Forecast Office advised north to northeast swell will produce hazardous surf. The following advisories remain in effect:

high surf advisory is in effect through Thursday afternoon. Hazardous surf of 8 to 10 feet is expected along north facing reefs and large breaking waves will continue to generate strong and frequent rip currents along east facing reefs.

GHS/OCD and NBG to Conduct Routine Testing of Advanced Warning Systems

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) and U.S. Naval Base Guam (NBG) will conduct routine testing of the vital communication and advance warning system sirens, respectively, on Tuesday, January 7, 2020, starting at 3:15 p.m.

There are now nineteen (19) All Hazards Alert Warning Systems (AHAWS) installed on island. On November 5, GHS/OCD will test the AHAWS sirens in conjunction with NBG monthly routine testing of the “Giant Voice (GV)” sirens. 

Avoid Hazardous Seas and Dangerous Rip Currents; NWS Advisories in Effect

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

high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 6 a.m. Friday. Hazardous surf of 8 to 10 feet along north and east facing reefs is expected.  

high risk of rip currents remains in effect for Guam, Rota, Tinian, and Saipan through Friday afternoon. Rip currents are powerful channels of water flowing quickly away from shore. Dangerous rip currents are expected along east and north facing reefs.

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