(BIVN) – A Mother’s Day swell is on its way to the south-facing shores of Hawaiʻi.

The National Weather Service in Honolulu has issued a High Surf Advisory, which is in effect from 6 a.m. HST Sunday to 6 a.m. HST Monday.”

A long period south-southwest swell will slowly fill in overnight and produce advisory level surf along south facing shores of all islands on Sunday and Sunday night,” forecasters wrote. “The swell will begin to decline on Monday, though the advisory may need to be extended.”

Surf will build overnight, reaching 6 to 9 feet, peaking Sunday and Sunday night.

Advisory level surf may hold into Monday, forecasters say, with the swell declining later Monday through Thursday.

“Beachgoers, swimmers, and surfers should heed all advice given by
ocean safety officials and exercise caution,” the National Weather Service says. “Boaters should expect recreational surfers utilizing harbor channels to access surfing areas.”