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June 2018 is Typhoon Preparedness Month




NWS Weather Advisories in effect; residents urged to heed warnings and drive carefully

The National Weather Service (NWS) Weather Forecast Office Guam has issued the following advisories for the Marianas:
A high surf advisory remains in effect until 10 p.m. (ChST) Tuesday evening.
  • West facing reefs – Surf will increase from 7 feet to 9 to 11 feet by Monday evening.
  • There will also be high risk of rip currents.
  • This means that high surf will affect beaches in the west facing reefs producing localized beach erosion and dangerous swimming conditions. 

Flash Flood Advisory issued for Guam

With the National Weather Service Guam (NWS) has issued a flash flood advisory for Guam due to heavy rainfall. The advisory is in effect until 6:00pm (ChST)Monday, August 20, 2018.


Floods – those living in areas prone to flooding should be prepared to take action.

  • Clear drainage areas and un-block clogged storm drains in your area to minimize the change of flooding.

  • Avoid walking or driving through flood water.

Tropical Storm Watch in Effect for Saipan and Tinian

The National Weather Service (NWS) Weather Forecast Office Guam has issued a Tropical Storm Watch for Saipan and Tinian. Damaging winds of 39 to 73 mph are possible in the next 36 to 48 hours.

There are no storm watches or warnings for Guam. The heavy rainfall we are seeing in Guam is due to monsoon weather; they have prompted a flash flood advisory.

Tropical Storm Cimaron (23W) currently centered about 480 miles east-northeast of Guam moving northwest at 8 mph with maximum winds at 45 mph.