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June 2018 is Typhoon Preparedness Month




Avoid Dangerous Rip Currents; NWS Advisory in Effect

The National Weather Service (NWS), Weather Forecast Office Guam advised a trade-wind swell and surf will maintain strong rip currents.  

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

Officials Monitor for Impacts from Volcanic Activity

The National Weather Service (NWS), Weather Forecast Office Guam continues to monitor the ongoing activity associated with the eruption of Taal Volcano, in Batangas Province, south of Manila, Philippines.

At this time, the volcanic eruption and ongoing activity at Taal Volcano currently poses no threat to Guam or the CNMI other than a possible light haze as early as Tuesday evening. As advised by NWS, the haze may be visible but is not expected to cause issues prompting people to remain indoors.

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.