Ocean SafeHawaiʻi Island Beach Safety
Hilo & Puna (East)

Carlsmith Beach Park (Four Mile) today: live conditions and our beach score

Lava-rock breakwater forms a calm lagoon — turtles graze the inner pools and it's gentle enough for kids on normal days.

Live conditions Hilo & Puna (East)
Reading today's ocean conditions…

Ocean Safe scores conditions from public NOAA and Open-Meteo data. We don't certify any beach as safe or unsafe, and this is a modeled estimate, not an official forecast. Always check posted signs, county lifeguards, and weather.gov, and decide for yourself. How we score beaches.

Open Carlsmith in Ocean Safe: live map & beach score →Live conditions, our beach score, lifeguard info and what to do today. Free, no signup

The one thing to know

Lava-rock breakwater forms a calm lagoon — turtles graze the inner pools and it's gentle enough for kids on normal days. Entry is over rock, not sand, so wear reef shoes. Closed during high surf, when currents pick up; check the lifeguard.

Beach facts

ShoreHilo & Puna (East)
Lifeguard9:30am–4:45pm daily
Best forsnorkel, swim, tidepools
ParkingFree lot on Kalanianaʻole Ave at the 4-mile marker (hence 'Four Mile'). Grassy lawn, restrooms, showers.

Questions visitors ask

Is it safe to swim at Carlsmith Beach Park (Four Mile) today?
Carlsmith Beach Park (Four Mile) is reef-sheltered and lifeguarded (9:30am–4:45pm daily), one of the steadier choices on the east side. Conditions still change fast — check today's live surf and wind above and the full beach score in the app before you get in.
Is there a lifeguard at Carlsmith Beach Park (Four Mile)?
Yes — 9:30am–4:45pm daily. Swim near the tower and ask the guards about the day's currents.
When is the best time to visit Carlsmith Beach Park (Four Mile)?
Mornings are usually calmest, before the afternoon trade winds build and while water visibility is best. Lava-rock breakwater forms a calm lagoon — turtles graze the inner pools and it's gentle enough for kids on normal days.