# Gili Trawangan water temperature Sea temperature at Gili Trawangan is 28.2 °C (82.8 °F). - Location: Gili Trawangan, Indonesia - Timezone: Asia/Makassar - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T20:30:31.995702+08:00 - Forecast page: https://snorkelforecast.com/indonesia/gili-trawangan/ - HTML sea temperature: https://snorkelforecast.com/indonesia/gili-trawangan/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: 29.4 °C (84.9 °F) - February: 29.4 °C (84.9 °F) - March: 29.7 °C (85.5 °F) - April: 30.1 °C (86.2 °F) - May: 29.9 °C (85.8 °F) - June: 29.2 °C (84.6 °F) - July: 28.7 °C (83.7 °F) - August: 28.4 °C (83.1 °F) - September: 28.7 °C (83.7 °F) - October: 29.5 °C (85.1 °F) - November: 30.2 °C (86.4 °F) - December: 29.9 °C (85.8 °F)