Hawaii County, Hawaii · Ocean
Can you swim at Hapuna Beach today?
Glass · 9.3
Water is 83 °F, measured at NDBC buoy KWHH1 (1617433 - Kawaihae, HI) (KWHH1). Moderate waves around 1.8 ft, calm wind at 2 mph.
Updated
Swim brief
Conditions look excellent right now: 9.3 out of 10. Water is 83 °F, measured at NDBC buoy KWHH1 (1617433 - Kawaihae, HI) (KWHH1). Moderate waves around 1.8 ft, calm wind at 2 mph. Air 79 °F, UV 0 (low). Best window in the next 24 hours: 7 am to 3 pm, averaging 8.8.
Written from the readings below. Not a safety guarantee: follow lifeguards and posted signs.
The readings
- Water temperature83 °FNDBC buoy KWHH1 (1617433 - Kawaihae, HI) (KWHH1) (measured) · fetchedGood
- Water qualityNo readingNo classification for this spot–
- Waves1.8 ftOpen-Meteo Marine (model) · fetchedGlass
- Wind2 mphOpen-Meteo Forecast (model) · fetchedGlass
- Air temperature79 °FOpen-Meteo Forecast (model) · fetchedGlass
- UV indexUV 0 · lowOpen-Meteo Forecast (model) · fetched–
- ThunderstormsNo readingNo source reported a value–
- Weather alertsNo readingWeather provider does not report alertsGlass
Today
Questions about Hapuna Beach
Is it safe to swim at Hapuna Beach today?
Swimmable can't tell you a spot is safe; conditions change fast and no score is a guarantee. Right now its Swim Score is 9.3 out of 10 (Glass), summarised from public weather, marine and water data. Check whether lifeguards are on duty and follow posted signs and flags.
What is the water temperature at Hapuna Beach?
The latest reading is 83 °F. The page shows its source and when it was fetched.
How is the Swim Score calculated?
The score out of 10 combines water temperature, air temperature, UV, wind and weather, waves and weather alerts from public sources such as NOAA, NDBC and Open-Meteo. Missing readings are left out and shown as missing, never guessed.