Headline:
High Surf Advisory issued October 18 at 5:53PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU
Event:
High Surf Advisory
Urgency:
Expected
Effective:
October 18, 2026 - 12:53am
Expires:
October 18, 2026 - 11:00am
Description:
* WHAT...For the High Surf Advisory, large breaking waves of 9 to 12
feet in the surf zone. For the High Rip Current Risk, dangerous rip
currents.
* WHERE...East and south facing reefs of Tinian and Saipan.
* WHEN...Until 4 AM ChST Monday.
* 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 and dominant south-southwesterly
swell generated by distant Typhoon Champi (29W) and secondary
northeasterly swell generated by distant remnants of Koguma and
associated frontal systems will produce hazardous surf and
dangerous rip currents along east and south facing reefs.
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:
Tinian; Saipan
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov