Micronesia — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Micronesia. 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
The Federated States of Micronesia enjoys warm coastal waters year-round, making it an attractive destination for swimming and snorkeling. Typical sea surface temperatures hover between about 26 and 30 °C (79–86 °F), with the mildest decrease to roughly 26–27 °C (79–81 °F) during the coolest months and a peak of about 29–30 °C (84–86 °F) in the warmest period. Because the islands lie close to the equator, seasonal variation is relatively small compared with temperate regions, so the ocean generally feels pleasantly warm whether you visit in what locals consider the wetter or drier part of the year. Water clarity is often excellent inside sheltered lagoons and around outer reefs, supporting vibrant coral ecosystems.
Swimming Conditions
Swimming is widely permitted and commonly practiced across Micronesia; warm temperatures and numerous sheltered bays make paddling, snorkeling and reef swimming easy for most visitors. However, conditions can vary by location and weather: exposed outer reefs and channels may have strong currents, surge, or rough seas during storms, and swimmers should watch for local hazards such as sharp coral, occasional stingers and tidally driven flows. Local advice, reef-safe footwear, and attention to posted warnings are recommended. For calm, warm water and abundant marine life, many travelers choose lagoon areas and guided snorkeling or diving excursions.