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Ostional

Water Temperature in the Pacific Ocean in Ostional, Costa Rica: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Ostional in Costa Rica, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Ostional

28.3°C

TODAY

27.6°C

YESTERDAY

28.9°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Pacific Ocean in Ostional is 28.3°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 for Pacific Ocean in Ostional Over the Last 30 Days

The water temperature in Ostional today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Ostional will remain nearly unchanged in the coming days, its value will be 28.4°C.

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 across Costa Rica to enhance accuracy.

Water temperature data for Ostional and nearby towns and resorts 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.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
Feb 1728.9°C27.8°C
Feb 1828.7°C28.0°C
Feb 1928.5°C28.0°C
Feb 2028.0°C28.3°C
Feb 2127.9°C28.8°C
Feb 2228.1°C28.3°C
Feb 2327.6°C28.3°C
Feb 2428.3°C29.0°C
Feb 2528.0°C28.3°C
Feb 2628.0°C28.3°C
Feb 2727.5°C28.2°C
Feb 2827.8°C28.1°C
Mar 128.3°C28.1°C
Mar 229.0°C28.2°C
Mar 329.0°C28.3°C
Mar 428.8°C28.4°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Ostional Throughout the Year

Throughout the year, the sea temperature in Ostional is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 366 days, and exceeds 77°F (25°C) for 366 days.

Below is the annual chart of sea temperature changes in the Pacific Ocean in Ostional.

January

MinimumAverageMaximum
25°C28°C31°C

February

MinimumAverageMaximum
26°C28°C30°C

March

MinimumAverageMaximum
27°C29°C31°C

April

MinimumAverageMaximum
27°C29°C31°C

May

MinimumAverageMaximum
28°C30°C32°C

June

MinimumAverageMaximum
27°C29°C31°C

July

MinimumAverageMaximum
27°C29°C31°C

August

MinimumAverageMaximum
27°C29°C31°C

September

MinimumAverageMaximum
27°C29°C31°C

October

MinimumAverageMaximum
26°C28.5°C31°C

November

MinimumAverageMaximum
26°C28°C30°C

December

MinimumAverageMaximum
26°C28°C30°C

Monthly Water Temperature Histogram for Pacific Ocean in Ostional

You can explore detailed data on how the water temperature in Ostional varies each month:

What Beaches Are There In and Around Ostional?

Rayo 4

Rayo 4 is a 2-stars sandy beach, is located directly in Ostional. There are cafés.

Link to the location of the beach

Playa Del Ostional

Playa Del Ostional is a 1-stars sandy beach, is located directly in Ostional.

Link to the location of the beach

Main Nesting Beach

Main Nesting Beach is a 1-stars sandy beach, is located directly in Ostional.

Link to the location of the beach

Playa De Nosara

Playa De Nosara is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Ostional. There are cafés.

Link to the location of the beach

Playa Ostional

Playa Ostional is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Ostional. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa Nosara

Playa Nosara is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Ostional. There is parking. There are cafés. Playa Nosara is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Kalia Private Beach

Kalia Private Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Ostional.

Link to the location of the beach

Agujas

Agujas is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Ostional. There is parking. Agujas is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Nosara

Nosara is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Ostional. There is parking. Nosara is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa San Juanillo

Playa San Juanillo is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Ostional. There is parking. There are cafés. Playa San Juanillo is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa Pelada

Playa Pelada is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Ostional. There is parking. There are cafés. Playa Pelada is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa Guiones

Playa Guiones is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Ostional. There is parking. There are cafés. Playa Guiones is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Baker’S Beach Entrance - ALL You Need To Know

Baker’S Beach Entrance - ALL You Need To Know is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Ostional. There is parking. There are cafés. It is suitable for surfing.

Link to the location of the beach

Playa Azul

Playa Azul is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Ostional. There is parking. There are cafés. Playa Azul is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Blanca

Blanca is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Ostional. There is parking. Blanca is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Ostional Weather

FEBRUARY 25

24°C / 30°C
few clouds: 11-25%

humidity: 70% | wind: 3 km/h

FEBRUARY 26

24°C / 30°C
scattered clouds: 25-50%

humidity: 69% | wind: 2 km/h

FEBRUARY 27

25°C / 31°C
clear sky

humidity: 69% | wind: 3 km/h

FEBRUARY 28

27°C / 29°C
scattered clouds: 25-50%

humidity: 72% | wind: 3 km/h

Guanacaste Province, Costa RicaGuanacaste Province, Costa RicaGuanacaste Province, Costa Rica

Sea Temperature in the Pacific Ocean in Ostional: General Trends and Swimming Opportunities

Original name
Ostional
The Local Time
02:24
Time Zone
UTC-6
Sunrise
05:58
Sunset
17:52
Length of the day
11 h 53 m

Guanacaste Province in Costa Rica features a tropical climate with two distinct seasons: a dry season from November to April and a wet season from May to October. Its coastal areas typically offer high temperatures mostly around 27-34°C (80.6-93.2°F), relatively high humidity, and are cooled somewhat by sea breezes.

Ostional is located in Central America in the Northern Hemisphere at a latitude of 10 degrees, along the shores of the Pacific Ocean. Ostional lies within the Guanacaste Province in Costa Rica.

The average annual daytime air temperature in Ostional is 90°F (32°C), with the average nighttime temperature being 70°F (21°C). The highest average daily temperature occurs in April, reaching 94°F (34°C), while the lowest is in October at 87°F (31°C). As for nighttime temperatures, the minimum average temperature of 68°F (20°C) is recorded in January, and the maximum is in April, reaching 71°F (22°C).

According to historical data, Ostional experiences 130 rainy days per year, which accounts for 36 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is September, with 18 rainy days and 12.7 inches (322 mm) of precipitation, while the driest month is March, which typically has 4 rainy days and only 0.3 inches (8 mm) of precipitation.

The average annual water temperature in Pacific Ocean in Ostional is 84°F (29°C). In January, the water reaches its lowest point of the year at 77°F (25°C), while in May, it peaks at 90°F (32°C). The water temperature in the Pacific Ocean in Ostional is comfortable for beach vacations and swimming year-round.

Geographical Location of Ostional

Frequently Asked Questions About Ostional and its Water Temperatures

What is the current sea temperature in Ostional?

The water temperature today in the Pacific Ocean in Ostional is 83°F (28.3°C).

In which months is the water temperature in Ostional comfortable for swimming?

The water temperature in Ostional is comfortable for beach vacations and swimming throughout the year.

What is the water temperature in Ostional during the winter?

The water temperature in the Pacific Ocean in Ostional during the winter ranges from 77°F to 88°F (25°C to 31°C).

What is the water temperature in Ostional during the spring?

The water temperature in the Pacific Ocean in Ostional during the spring ranges from 81°F to 90°F (27°C to 32°C).

What is the water temperature in Ostional during the summer?

The water temperature in the Pacific Ocean in Ostional during the summer ranges from 81°F to 88°F (27°C to 31°C).

What is the water temperature in Ostional during the fall?

The water temperature in the Pacific Ocean in Ostional during the fall ranges from 79°F to 88°F (26°C to 31°C).

Is it possible to swim in the sea in Ostional year-round?

Yes, it is possible to swim in the Pacific Ocean in Ostional year-round because the water temperature never drops below 77°F (25°C)

What sea temperatures can I expect in Ostional in the next month?

In March, the water temperature in the Pacific Ocean in Ostional will range between 81°F (27°C) and 88°F (31°C)