Macao — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Macao. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Macao’s coastal waters are subtropical and show a clear seasonal pattern. In winter (December–February) sea temperatures typically hover between about 15–18 °C (59–64 °F), which many swimmers find brisk. Spring (March–May) brings a moderate rise, roughly 18–24 °C (64–75 °F). The warmest period is summer (June–August), when water temperatures usually reach 26–30 °C (79–86 °F) and can feel comfortably warm. Autumn (September–November) sees a gradual cooling, with typical values near 22–27 °C (72–81 °F). Short-term variations occur with regional weather systems, tidal flows and occasional upwellings, and on very hot days surface temperatures can be a degree or two higher.
Swimming Conditions
Swimming is permitted at Macao’s designated public beaches such as Hac Sa and Cheoc Van, and these areas are staffed and managed during the busy season to protect bathers. Authorities monitor water quality and close or advise against swimming when pollution, strong currents, jellyfish sightings or typhoons create hazards. Lifeguards are usually on duty in the warmer months and signs will indicate whether a stretch is open. Even when swimming is allowed, currents and boat traffic in parts of the Pearl River estuary mean caution is necessary; those sensitive to cooler water may prefer a wetsuit in winter and early spring. Overall, Macao offers seasonal swimming opportunities that are best enjoyed in late spring through early autumn when sea temperatures are warmest and beach services are available.