Panama — Sea Water Temperature and Annual Ranges

Sea Water Temperature Along the Coast

Places with the Warmest Sea Water Today

The Most Popular Seaside Places

Coastal Seas and Oceans

Water Temperature and Swimming Overview

Water Temperature Trends

Panama’s seas are warm year-round, with only moderate seasonal variation between the Pacific and Caribbean coasts. On the Caribbean side water temperatures typically range from about 27–29 °C (81–84 °F) through the year, remaining relatively stable thanks to the tropical currents. The Pacific coast shows a bit more fluctuation: typical sea surface temperatures are roughly 26–30 °C (79–86 °F), but localized upwelling and seasonal winds can cool Pacific waters to around 25–27 °C (77–81 °F) during the late dry season (roughly December to March), while the wet season (May to November) and transition months tend to see the warmest values near 28–30 °C (82–86 °F). Regional differences and coastal geography mean individual beaches or bays can vary by a degree or two from these averages.

Swimming Conditions

Swimming is generally permitted and popular across Panama, from resort beaches and protected bays to coral-fringed snorkeling sites, because the waters are invitingly warm and accessible most of the year. However, conditions vary: some urban or river-mouth beaches may be affected by runoff or pollution after heavy rains, and strong currents or rip tides can occur on certain Pacific beaches, so local advisories should be heeded. Marine life encounters are common and usually harmless, though swimmers should be alert for jellyfish blooms or occasional hazardous currents, and note that lifeguards are not always present. For safe swimming, choose well-maintained tourist beaches or marine protected areas, check recent local water-quality reports and weather, and respect posted warnings and seasonal closures.