Tamarindo — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Tamarindo (Costa Rica). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Tamarindo help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Tamarindo in the Pacific Ocean today is 30°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Tamarindo today is lower than both a week ago and a month ago. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Tamarindo will be 29.0°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 5 | 30.3°C | 29.8°C | |
| JUN 6 | 30.3°C | 29.5°C | |
| JUN 7 | 30.3°C | 29.3°C | |
| JUN 8 | 30.2°C | 29.0°C | |
| JUN 9 | 30.2°C | 29.3°C | |
| JUN 10 | 30.1°C | 29.8°C | |
| JUN 11 | 29.8°C | 29.5°C | |
| JUN 12 | 29.7°C | 29.8°C | |
| JUN 13 | 29.6°C | 29.8°C | 29.6°C |
| JUN 14 | 29.0°C | 29.5°C | |
| JUN 15 | 29.0°C | 29.4°C | |
| JUN 16 | 29.3°C | 29.4°C | |
| JUN 17 | 29.0°C | 29.3°C | |
| JUN 18 | 29.0°C | 29.2°C | |
| JUN 19 | 28.8°C | 29.1°C | |
| JUN 20 | 29.0°C | 29.0°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Tamarindo, on Costa Rica’s north Pacific coast, enjoys warm tropical waters throughout the year, making it a popular beach destination. Typical sea surface temperatures range from about 26°C to 29°C, with small seasonal shifts rather than dramatic changes. During the dry season (roughly December to April) waters commonly sit between 26°C and 28°C, while the green or wetter months (May to November) can see slightly warmer readings, often between 27°C and 29°C. Local factors such as tides, coastal upwellings and occasional currents can produce brief variations, and water may feel marginally cooler after heavy rains or during strong onshore winds, but overall the temperature remains comfortably warm for most visitors.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 25°C | 28°C | 30°C |
| February | 25°C | 28°C | 30°C |
| March | 26°C | 29°C | 31°C |
| April | 27°C | 29°C | 31°C |
| May | 28°C | 29°C | 31°C |
| June | 27°C | 29°C | 31°C |
| July | 27°C | 29°C | 31°C |
| August | 27°C | 29°C | 31°C |
| September | 27°C | 29°C | 31°C |
| October | 26°C | 29°C | 31°C |
| November | 26°C | 28°C | 30°C |
| December | 26°C | 28°C | 30°C |
* Click on a month to view detailed water temperature data.
Tamarindo: Weather Forecast
June 14
June 15
June 16
June 17
Location, Beaches & Local Information
Nearby Beaches & Facilities
Playa Tamarindo
Playa Langosta
Playa Grande
Playa Grande
Casa Naranja
Playa Ventanas
Playa Mansita
Black Sand Beach
Playa Carbon
Swimming Conditions
Swimming and beach holiday opportunities in Tamarindo are shaped by those consistently warm waters and the area’s varied shoreline. The main beach offers long stretches for casual swimming, sunbathing and beginner surf lessons, though conditions change with the swell—calmer conditions are more common in the dry season, while larger surf in the green season attracts surfers and can limit safe swimming near the shore. Snorkeling and boat trips to nearby reefs and islands provide chances to explore marine life in similarly warm water, and many visitors swim without wetsuits year-round. Visitors should be mindful of rip currents and check local guidance or hire a guide for surf zones and deeper excursions, but for general beachgoing and paddling the sea temperatures in Tamarindo make swimming inviting for most of the year.