# Boca Catalina water temperature Sea temperature at Boca Catalina is 28.2 °C (82.8 °F). - Location: Boca Catalina, Aruba - Timezone: America/Aruba - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-24T08:53:48.943341-04:00 - Forecast page: https://snorkelforecast.com/aruba/boca-catalina/ - HTML sea temperature: https://snorkelforecast.com/aruba/boca-catalina/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: 26.9 °C (80.4 °F) - February: 26.3 °C (79.3 °F) - March: 26.4 °C (79.5 °F) - April: 26.8 °C (80.2 °F) - May: 27.5 °C (81.5 °F) - June: 27.2 °C (81.0 °F) - July: 27.5 °C (81.5 °F) - August: 28.3 °C (82.9 °F) - September: 29.2 °C (84.6 °F) - October: 29.9 °C (85.8 °F) - November: 29.0 °C (84.2 °F) - December: 27.8 °C (82.0 °F)