This data the coastal Fingal Head ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Fingal Head today is 20.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Fingal Head was recorded in 2013 and was 21.5°C, and the coldest was recorded in 2019 at 19.8°C. Sea water temperature in Fingal Head is expected to drop to 20.7°C in the next 10 days. September average water temperature in Fingal Head is 20.8°C, the minimum temperature is 19°C, and the maximum is 22.2°C.
The swimming season in Fingal Head lasts from January to December, twelve months per year! During those months, Fingal Head water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Fingal Head in winter reaches 21.1°C, in spring 21.9°C, in summer the average temperature rises to 25.6°C, and in autumn it is 24.9°C.
5 September 2025 |
---|
today temp |
20.9°C |
4 September 2025 |
---|
yesterday temp |
20.9°C |
The ocean salinity in Fingal Head is 35.58‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Fingal Head. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Fingal Head. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
2' 6" | 3' 5" | 4' 0" | 4' 4" |
0.75 m | 1.04 m | 1.23 m | 1.31 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
4' 4" | 4' 8" | 4' 9" | 5' 11" |
1.32 m | 1.41 m | 1.46 m | 1.8 m |
Data in a table show Fingal Head temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Fingal Head.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
17.1°C | 15.8°C | 15.2°C | 20.2°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
22.2°C | 20.7°C | 18.9°C | 17.5°C |
You may also be interested in other sections of our site for Fingal Head: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Fingal Head. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Fingal Head on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 25.9°C | 24.1°C | 27.2°C | hot |
Ocean water temperature in Fingal Head in January | ||||
February | 26.4°C | 25.1°C | 28.1°C | hot |
Ocean water temperature in Fingal Head in February | ||||
March | 26.1°C | 24.5°C | 28°C | hot |
Ocean water temperature in Fingal Head in March | ||||
April | 25.1°C | 23.3°C | 26.6°C | hot |
Ocean water temperature in Fingal Head in April | ||||
May | 23.6°C | 21°C | 25.4°C | warm |
Ocean water temperature in Fingal Head in May | ||||
June | 22°C | 20.2°C | 23.9°C | warm |
Ocean water temperature in Fingal Head in June | ||||
July | 20.8°C | 18.7°C | 22.1°C | warm |
Ocean water temperature in Fingal Head in July | ||||
August | 20.4°C | 18.6°C | 22°C | warm |
Ocean water temperature in Fingal Head in August | ||||
September | 20.8°C | 19°C | 22.2°C | warm |
Ocean water temperature in Fingal Head in September | ||||
October | 21.8°C | 20.1°C | 23.4°C | warm |
Ocean water temperature in Fingal Head in October | ||||
November | 23.1°C | 20.8°C | 24.8°C | warm |
Ocean water temperature in Fingal Head in November | ||||
December | 24.6°C | 21.1°C | 26.8°C | warm |
Ocean water temperature in Fingal Head in December |