Headline:
High Surf Advisory issued August 24 at 4:17AM ChST until August 24 at 4:00PM ChST by NWS Tiyan GU
Event:
High Surf Advisory
Urgency:
Expected
Effective:
August 23, 2026 - 11:17am
Expires:
August 23, 2026 - 11:00pm
Description:
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip
currents.
* WHERE...West-facing reefs of the Marianas.
* WHEN...Until 4 PM ChST this afternoon.
* 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 this afternoon.
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