Headline:
High Surf Advisory issued August 24 at 4:49PM ChST until August 25 at 5:00AM ChST by NWS Tiyan GU
Event:
High Surf Advisory
Urgency:
Expected
Effective:
August 23, 2026 - 11:49pm
Expires:
August 24, 2026 - 12:00pm
Description:
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip
currents.
* WHERE...West-facing reefs of the Marianas.
* WHEN...For the High Surf Advisory, until 5 AM ChST Tuesday. For
the High Rip Current Risk, through late tonight.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...Significant southwesterly swell driven by
the monsoon pattern and Tropical Depression 19W, well north-
northwest of Yap, is producing hazardous surf and dangerous rip
currents along west-facing reefs through tonight.
Instruction:
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip
current, relax and float. Don't swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
Area Description:
Guam; Rota; Tinian; Saipan
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov