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Port Isaac
Water Temperature in the Celtic Sea in Port Isaac, England: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Port Isaac in England, 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 Isaac
8.4°C
TODAY
8.7°C
YESTERDAY
8.8°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Celtic Sea in Port Isaac is 8.4°C. This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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 Celtic Sea in Port Isaac Over the Last 30 Days
The water temperature in Port Isaac 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 Isaac will remain nearly unchanged in the coming days, its value will be 9.3°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 United Kingdom to enhance accuracy.
Water temperature data for Port Isaac 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 |
|---|---|---|---|
| Feb 16 | 8.8°C | 9.3°C | |
| Feb 17 | 8.6°C | 9.5°C | |
| Feb 18 | 8.5°C | 9.5°C | |
| Feb 19 | 8.5°C | 10.0°C | |
| Feb 20 | 8.5°C | 9.5°C | |
| Feb 21 | 8.4°C | 10.0°C | |
| Feb 22 | 8.7°C | 9.8°C | |
| Feb 23 | 8.4°C | 10.8°C | |
| Feb 24 | 9.5°C | 8.5°C | |
| Feb 25 | 9.8°C | 8.6°C | |
| Feb 26 | 9.5°C | 8.7°C | |
| Feb 27 | 10.5°C | 8.9°C | |
| Feb 28 | 10.0°C | 9.0°C | |
| Mar 1 | 10.0°C | 9.1°C | |
| Mar 2 | 10.3°C | 9.2°C | |
| Mar 3 | 9.8°C | 9.3°C |
Sea Temperature in Port Isaac Throughout the Year
Throughout the year, the sea temperature in Port Isaac exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 4 days.
Below is the annual chart of sea temperature changes in the Celtic Sea in Port Isaac.
January
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11°C | 13°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 12°C | 15°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 15°C | 18°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 16.5°C | 20°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17°C | 19°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17°C | 19°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 15°C | 17°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 14°C | 16°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 12°C | 14°C |
Monthly Water Temperature Histogram for Celtic Sea in Port Isaac
You can explore detailed data on how the water temperature in Port Isaac varies each month:
What Beaches Are There In and Around Port Isaac?
Port Isaac Beach
Port Isaac Beach is a 3-stars sandy beach, is located directly in Port Isaac. There is parking. There are cafés. Port Isaac Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Port Gaverne Beach
Port Gaverne Beach is a 4-stars sandy beach, is located directly in Port Isaac. There is parking. There are restrooms. There are cafés. Port Gaverne Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Port Quin Beach
Port Quin Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Port Isaac. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Lundy Bay And Epphaven Cove Beach
Lundy Bay And Epphaven Cove Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Port Isaac. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Tregardock Beach
Tregardock Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Port Isaac.
Polzeath Beach
Polzeath Beach is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Port Isaac. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Greenaway Beach
Greenaway Beach is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Port Isaac. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Trebarwith Strand Beach
Trebarwith Strand Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Port Isaac. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Trebarwith Strand Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Porthilly Cove
Porthilly Cove is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Port Isaac. There are cafés. It is suitable for surfing.
Daymer Bay Beach
Daymer Bay Beach is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Port Isaac. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Butterhole Beach
Butterhole Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hawker's Cove Beach
Hawker's Cove Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Harbour Cove Beach
Harbour Cove Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
St George's Well Cove Beach
St George's Well Cove Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
St. George's Cove
St. George's Cove is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. There is parking. There are restrooms. Snorkeling is possible.
Rock Beach
Rock Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Port Isaac. There is parking. There are cafés.
Tintagel Haven Beach
Tintagel Haven Beach is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Port Isaac. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Port Isaac Weather
FEBRUARY 24
8°C / 9°C
light rainhumidity: 82% | wind: 8 km/h
FEBRUARY 25
7°C / 9°C
light rainhumidity: 86% | wind: 8 km/h
FEBRUARY 26
5°C / 8°C
overcast clouds: 85-100%humidity: 75% | wind: 4 km/h
FEBRUARY 27
6°C / 6°C
overcast clouds: 85-100%humidity: 76% | wind: 3 km/h
Sea Temperature in the Celtic Sea in Port Isaac: General Trends and Swimming Opportunities
The coastal regions of England, United Kingdom generally experience a temperate maritime climate, characterized by relatively mild, damp weather conditions with wet winters and cooler summers compared to inland areas. Significantly, these regions benefit from fewer temperature extremes due to the moderating influence of the nearby sea.
Port Isaac is located in Europe in the Northern Hemisphere at a latitude of 51 degrees, along the shores of the Celtic Sea. Port Isaac lies within the England in United Kingdom.
The average annual daytime air temperature in Port Isaac is 13°C (55°F), with the average nighttime temperature being 7°C (45°F). The highest average daily temperature occurs in July, reaching 20°C (67°F), while the lowest is in February at 8°C (47°F). As for nighttime temperatures, the minimum average temperature of 2°C (36°F) is recorded in February, and the maximum is in July, reaching 13°C (55°F).
According to historical data, Port Isaac experiences 165 rainy days per year, which accounts for 45 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 17 rainy days and 118 mm (4.6 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 73 mm (2.9 inches) of precipitation.
The average annual water temperature in Celtic Sea in Port Isaac is 13°C (55°F). In January, the water reaches its lowest point of the year at 8°C (46°F), while in July, it peaks at 20°C (68°F). In Port Isaac, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Port Isaac
Nearby Cities
Frequently Asked Questions About Port Isaac and its Water Temperatures
What is the current sea temperature in Port Isaac?
The water temperature today in the Celtic Sea in Port Isaac is 47°F (8.4°C).
In which months is the water temperature in Port Isaac comfortable for swimming?
It cannot be guaranteed that the water temperature in Port Isaac will be comfortable for swimming in any month of the year.
What is the water temperature in Port Isaac during the winter?
The water temperature in the Celtic Sea in Port Isaac during the winter ranges from 8°C to 14°C (46°F to 57°F).
What is the water temperature in Port Isaac during the spring?
The water temperature in the Celtic Sea in Port Isaac during the spring ranges from 8°C to 15°C (46°F to 59°F).
What is the water temperature in Port Isaac during the summer?
The water temperature in the Celtic Sea in Port Isaac during the summer ranges from 12°C to 20°C (54°F to 68°F).
What is the water temperature in Port Isaac during the fall?
The water temperature in the Celtic Sea in Port Isaac during the fall ranges from 12°C to 19°C (54°F to 66°F).
Is it possible to swim in the sea in Port Isaac at any time of the year?
In Port Isaac, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
What sea temperatures can I expect in Port Isaac in the next month?
In March, the water temperature in the Celtic Sea in Port Isaac will range between 46°F (8°C) and 54°F (12°C)