Minor High Surf Advisory | Effective 08/17/2026 14:41

Headline: 
High Surf Advisory issued August 18 at 7:41AM ChST until August 21 at 3:00AM ChST by NWS Tiyan GU
Event: 
High Surf Advisory
Urgency: 
Expected
Effective: 
August 17, 2026 - 2:41pm
Expires: 
August 18, 2026 - 4:45am
Description: 
* WHAT...Large breaking waves of 7 to 9 ft. * WHERE...South facing reefs of Kosrae. * WHEN...Until 3 AM ChST Friday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Southwesterly swell looks to persist a bit longer, with the latest forecast guidance showing this will continue through Thursday morning. This may get additional support from Invest 92W, which may develop northwest of Pohnpei in the next couple of days, helping to prolong the swell.
Instruction: 
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Area Description: 
Kosrae
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov