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Port Isabel
Water Temperature in the Gulf of Mexico in Port Isabel, Texas: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Port Isabel in Texas, 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 Port Isabel
71°F
TODAY
69°F
YESTERDAY
67°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Gulf of Mexico (Gulf of America) in Port Isabel is 20.8°F. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.
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 Gulf of Mexico (Gulf of America) in Port Isabel Over the Last 30 Days
The water temperature in Port Isabel 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 Port Isabel will remain nearly unchanged in the coming days, its value will be 70°F.
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 United States to enhance accuracy.
Water temperature data for Port Isabel 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 20 | 67°F | 68°F | |
| Mar 21 | 69°F | 69°F | |
| Mar 22 | 68°F | 69°F | |
| Mar 23 | 68°F | 69°F | |
| Mar 24 | 68°F | 69°F | |
| Mar 25 | 69°F | 69°F | |
| Mar 26 | 69°F | 70°F | |
| Mar 27 | 71°F | 70°F | |
| Mar 28 | 72°F | 71°F | |
| Mar 29 | 71°F | 71°F | |
| Mar 30 | 71°F | 71°F | |
| Mar 31 | 71°F | 71°F | |
| Apr 1 | 69°F | 71°F | |
| Apr 2 | 69°F | 71°F | |
| Apr 3 | 70°F | 71°F | |
| Apr 4 | 69°F | 70°F |
Sea Temperature in Port Isabel Throughout the Year
Throughout the year, the sea temperature in Port Isabel exceeds 77°F (25°C) for 186 days, exceeds 72°F (22°C) for 232 days, and exceeds 64°F (18°C) for 354 days.
Below is the annual chart of sea temperature changes in the Gulf of Mexico (Gulf of America) in Port Isabel.
January
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 68°F | 75°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 62°F | 70°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 67°F | 73°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 73°F | 79°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 73°F | 79°F | 84°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 88°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 82°F | 86°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 84°F | 88°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 73°F | 81°F | 88°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 75°F | 82°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 68°F | 75°F |
Monthly Water Temperature Histogram for Gulf of Mexico (Gulf of America) in Port Isabel
You can explore detailed data on how the water temperature in Port Isabel varies each month:
What Beaches Are There In and Around Port Isabel?
Beach Access #4 - Beach Circle
Beach Access #4 - Beach Circle is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés. Snorkeling is possible.
Beach Access #1 Harbor
Beach Access #1 Harbor is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There is parking. There are cafés.
Beach Access #3 Gulf Circle
Beach Access #3 Gulf Circle is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés.
Isla Blanca Park
Isla Blanca Park is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Isla Blanca Park 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.
South Beach Parking
South Beach Parking is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There is parking. There are restrooms. South Beach Parking 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.
Isla Blanca Beach
Isla Blanca Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Port Isabel. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. 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.
Beach Access #13 Moonlight Circle
Beach Access #13 Moonlight Circle is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Port Isabel. There is parking. There are cafés.
Beach Access #6 Seaside Circle
Beach Access #6 Seaside Circle is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés.
Beach Access #11 Treasure Island Circle
Beach Access #11 Treasure Island Circle is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés. Snorkeling is possible.
Del Mar Beach
Del Mar Beach is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Port Isabel.
Beach Access #16 - Neptune Circle
Beach Access #16 - Neptune Circle is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Port Isabel. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés.
South Padre Bayside Beach
South Padre Bayside Beach is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Port Isabel. There is parking. South Padre Bayside Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Beach Access #23 Sapphire
Beach Access #23 Sapphire is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés.
Andy Bowie Park
Andy Bowie Park is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Port Isabel. There are lifeguards on the beach. There is parking. There are restrooms. Andy Bowie Park 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.
Park Road 100 Bay Access #2
Park Road 100 Bay Access #2 is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Port Isabel. There is parking. Park Road 100 Bay Access #2 is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
County Beach Access #3
County Beach Access #3 is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés. County Beach Access #3 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.
Cameron County Park Maintenance Warehousing
Cameron County Park Maintenance Warehousing is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Port Isabel. There are cafés. Cameron County Park Maintenance Warehousing 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.
Access Point #3-5
Access Point #3-5 is a 3-stars sandy beach, located in a 10 km (6 miles) radius of Port Isabel. There is parking. Access Point #3-5 is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing.
Boca Chica State Park
Boca Chica State Park is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Port Isabel. There is parking. There are restrooms. There are cafés. Boca Chica State Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing.
Port Isabel Weather
MARCH 28
72°F / 81°F
clear skyhumidity: 85% | wind: 4 mph
MARCH 29
73°F / 81°F
clear skyhumidity: 87% | wind: 4 mph
MARCH 30
73°F / 82°F
clear skyhumidity: 86% | wind: 4 mph
MARCH 31
75°F / 82°F
few clouds: 11-25%humidity: 83% | wind: 3 mph
Sea Temperature in the Gulf of Mexico (Gulf of America) in Port Isabel: General Trends and Swimming Opportunities
The coastal region of Texas experiences a humid subtropical climate, characterized by hot, humid summers and mild to cool winters. It also sees a fair amount of rainfall, particularly during the hurricane season which extends from June to November.
Port Isabel is located in North America in the Northern Hemisphere at a latitude of 26 degrees, along the shores of the Gulf of Mexico. Port Isabel lies within the Texas in United States.
The average annual daytime air temperature in Port Isabel is 79°F (26°C), with the average nighttime temperature being 66°F (19°C). The highest average daily temperature occurs in August, reaching 91°F (33°C), while the lowest is in January at 65°F (18°C). As for nighttime temperatures, the minimum average temperature of 51°F (11°C) is recorded in January, and the maximum is in August, reaching 77°F (25°C).
According to historical data, Port Isabel experiences 82 rainy days per year, which accounts for 22 percent of all days in the year. On average, there are 7 rainy days each month. The wettest month is September, with 10 rainy days and 6.7 inches (171 mm) of precipitation, while the driest month is April, which typically has 5 rainy days and only 1.2 inches (31 mm) of precipitation.
The average annual water temperature in Gulf of Mexico in Port Isabel is 75°F (24°C). In February, the water reaches its lowest point of the year at 54°F (12°C), while in September, it peaks at 90°F (32°C). The months suitable for comfortable beach vacations and swimming in the Gulf of Mexico are May, June, July, August, September, and October. During this period, the water temperature stays above 68°F (20°C) and can reach up to 90°F (32°C) on some days.
Geographical Location of Port Isabel
Frequently Asked Questions About Port Isabel and its Water Temperatures
What is the current sea temperature in Port Isabel?
The water temperature today in the Gulf of Mexico (Gulf of America) in Port Isabel is 71°F (21.7°C).
In which months is the water temperature in Port Isabel comfortable for swimming?
The water temperature in the Gulf of Mexico in Port Isabel is comfortable for swimming and beach vacations in May, June, July, August, September, and October.
What is the water temperature in Port Isabel during the winter?
The water temperature in the Gulf of Mexico in Port Isabel during the winter ranges from 54°F to 75°F (12°C to 24°C).
What is the water temperature in Port Isabel during the spring?
The water temperature in the Gulf of Mexico in Port Isabel during the spring ranges from 61°F to 84°F (16°C to 29°C).
What is the water temperature in Port Isabel during the summer?
The water temperature in the Gulf of Mexico in Port Isabel during the summer ranges from 77°F to 88°F (25°C to 31°C).
What is the water temperature in Port Isabel during the fall?
The water temperature in the Gulf of Mexico in Port Isabel during the fall ranges from 68°F to 90°F (20°C to 32°C).
Is it possible to swim in the sea in Port Isabel year-round?
No, it is not possible to swim in the Gulf of Mexico in Port Isabel year-round, the months suitable for comfortable swimming are May, June, July, August, September, and October.
What sea temperatures can I expect in Port Isabel in the next month?
In April, the water temperature in the Gulf of Mexico (Gulf of America) in Port Isabel will range between 66°F (19°C) and 79°F (26°C)