...High surf advisory remains in effect from 8 PM this evening to 8 PM EDT Thursday...
* location...South Coast of Rhode Island and Massachusetts including Nantucket...Marthas Vineyard and Block Island.
* Surf height...6 to 12 feet.
* Timing...from 8 PM tonight to 8 PM Thursday night. This may have to be extended into Friday.
* Impacts...high risk of dangerous surf and rip currents. Also viewers of large surf should be in safe areas well away from possible splash over. Large waves can sweep a person into the water from what may seem to be a safe viewing area. Falling into the turbulent and sometimes Rocky Waters can result in injury that reduces the chance of survival.
A rip current...sometimes mistakenly called an undertow...is a strong but narrow current of water flowing from the beach to the surf zone. It can rapidly carry a swimmer into deeper water and exhaust an individual trying to swim against it.
If you are a poor swimmer and are caught in a rip current...swim parallel to the beach until out of its pull. Another means of escape for those who are good swimmers is to ride the current out beyond the surf zone where the rip current dissipates...then swim toward shore outside the effect of the narrow rip current.
Do not attempt to swim back to shore directly against the current...it can exhaust and drown even the strongest swimmer.
Heed the advice of the beach patrol and swim only at guarded beaches. Watch your children. Be especially cautious near piers and jetties where rip currents can be enhanced.
For the latest updates...please visit our webpage at www.Weather.Gov/Boston
You can follow US on facebook at