# Kahaluu Beach Park water temperature Sea temperature at Kahaluu Beach Park is 28.3 °C (82.9 °F). - Location: Kahaluu Beach Park, USA - Timezone: Pacific/Honolulu - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-27T19:06:58.467041-10:00 - Forecast page: https://snorkelforecast.com/usa/kahaluu-beach-park/ - HTML sea temperature: https://snorkelforecast.com/usa/kahaluu-beach-park/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Very warm water - What to wear: Swimwear is usually enough; a rash guard adds sun protection. ## Monthly baseline - January: 25.5 °C (77.9 °F) - February: 25.3 °C (77.5 °F) - March: 25.3 °C (77.5 °F) - April: 25.6 °C (78.1 °F) - May: 26.1 °C (79.0 °F) - June: 26.6 °C (79.9 °F) - July: 26.9 °C (80.4 °F) - August: 27.3 °C (81.1 °F) - September: 27.4 °C (81.3 °F) - October: 27.2 °C (81.0 °F) - November: 26.8 °C (80.2 °F) - December: 26.3 °C (79.3 °F)