The most detailed information about the water temperature in Portmarnock in Irish Sea (Leinster, Ireland). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Portmarnock for a week.
Water temperature in Portmarnock right nowdata updated 16 minutes ago
a week ago: 54°F
Trend: slow drop
Today water temperature in Portmarnock is 53.1°F. In general, this water temperature is unacceptable for swimming. But hardened people can afford to be in such water for 5-10 minutes. In any case, the general weather is also important. So, the air temperature at the same time will reach 35°F.
Analysis and forecast
The water temperature today roughly corresponds to the average value on this day in recent years. Its value has rise over the last week, but has drop compared to 20 days ago. Exactly a year ago, on this day, the water temperature in this location was 51°F. Water temperature range in Portmarnock In December is from 50 to 55 degrees.
According to our forecast, in the coming days, the water temperature value in Portmarnock will slightly drop and in 10 days it will be 52°F.
Table of water temperature values in Portmarnock
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in Ireland.
Annual graph of average water temperature change in Portmarnock
Water temperature in Portmarnock by month
Portmarnock located in the northern hemisphere, at latitude 53 degrees. The water in this location never warms up to comfortable values. Average annual water temperature on the coast in Portmarnock is 53°F, by the seasons: in winter 49°F, in spring 48°F, in summer 57°F, in autumn 57°F. Minimum water temperature (46°F) in Portmarnock it happens in February, maximum (60°F) in August.
You can find out detailed data on how the water temperature in Portmarnock changes in each specific month:
Portmarnock: general information and map
Neighboring cities and resorts
** Straight line distance in kilometers
Water temperature data in Portmarnock and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 9 kilometers. This is Dublin (DUB) airport. We have no information as to whether it is valid and what flights it receives or sends.
Portmarnock: weather forecast
The weather forecast is shown in local time in Portmarnock
humidity: 79%, clouds: 93%
humidity: 86%, clouds: 30%
humidity: 86%, clouds: 27%
humidity: 88%, clouds: 29%
humidity: 89%, clouds: 33%
humidity: 84%, clouds: 35%
humidity: 73%, clouds: 24%
humidity: 75%, clouds: 8%
humidity: 82%, clouds: 15%
humidity: 77%, clouds: 91%
humidity: 89%, clouds: 95%
humidity: 82%, clouds: 93%
humidity: 85%, clouds: 70%
humidity: 82%, clouds: 52%
humidity: 81%, clouds: 39%