# Isabela water temperature Sea temperature at Isabela is 27.0 °C (80.6 °F). - Location: Isabela, Ecuador - Timezone: Pacific/Galapagos - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T18:42:27.502109-06:00 - Forecast page: https://snorkelforecast.com/ecuador/isabela/ - HTML sea temperature: https://snorkelforecast.com/ecuador/isabela/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: 25.4 °C (77.7 °F) - February: 27.4 °C (81.3 °F) - March: 27.7 °C (81.9 °F) - April: 27.9 °C (82.2 °F) - May: 26.3 °C (79.3 °F) - June: 25.0 °C (77.0 °F) - July: 24.1 °C (75.4 °F) - August: 22.8 °C (73.0 °F) - September: 22.4 °C (72.3 °F) - October: 22.9 °C (73.2 °F) - November: 23.4 °C (74.1 °F) - December: 23.9 °C (75.0 °F)