# Lanikai Beach water temperature Sea temperature at Lanikai Beach is 26.8 °C (80.2 °F). - Location: Lanikai Beach, USA - Timezone: Pacific/Honolulu - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-27T01:23:54.194303-10:00 - Forecast page: https://snorkelforecast.com/usa/lanikai-beach/ - HTML sea temperature: https://snorkelforecast.com/usa/lanikai-beach/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Warm water - What to wear: Most people are comfortable in swimwear or a light rash guard. ## Monthly baseline - January: 24.9 °C (76.8 °F) - February: 24.2 °C (75.6 °F) - March: 24.3 °C (75.7 °F) - April: 24.6 °C (76.3 °F) - May: 24.9 °C (76.8 °F) - June: 25.6 °C (78.1 °F) - July: 26.1 °C (79.0 °F) - August: 26.4 °C (79.5 °F) - September: 26.8 °C (80.2 °F) - October: 26.9 °C (80.4 °F) - November: 26.0 °C (78.8 °F) - December: 25.4 °C (77.7 °F)