The most detailed information about the water temperature in Piraeus in Aegean Sea (Attica, Greece). 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 Piraeus for a week.
Water temperature in Piraeus right now
data updated 46 minutes ago17.0°C
yesterday: 17°C
a week ago: 17.4°C
Trend: slow rise
Today water temperature in Piraeus is 17.0°C. This is cool bathing water, but acceptable for short dives for physically fit and hardened people. Continuous exposure to such water for more than four hours can lead to severe hypothermia. In any case, the general weather is also important. So, the air temperature at the same time will reach 19°C.
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 16°C. Water temperature range in Piraeus in April is from 14 to 19 degrees.
According to our forecast, the water temperature in Piraeus will slowly rise for at least the next 10 days and reach a value of 18.3°C.
Table of water temperature values in Piraeus
| Day | Fact* | Average** | Forecast*** |
| Apr 18 | 17.5°C | 16.5°C | |
| Apr 19 | 17.5°C | 16.8°C | |
| Apr 20 | 18.3°C | 17.0°C | |
| Apr 21 | 18.2°C | 16.8°C | |
| Apr 22 | 17.6°C | 16.5°C | |
| Apr 23 | 17.4°C | 16.3°C | |
| Apr 24 | 17.0°C | 16.3°C | |
| Apr 25 | 17.0°C | 16.3°C | |
| Apr 26 | 16.3°C | 17.0°C | |
| Apr 27 | 16.0°C | 16.7°C | |
| Apr 28 | 16.3°C | 17.0°C | |
| Apr 29 | 16.5°C | 17.2°C | |
| Apr 30 | 16.8°C | 17.5°C | |
| May 1 | 16.5°C | 17.2°C | |
| May 2 | 17.0°C | 17.7°C |
** 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 Greece.
Annual graph of average water temperature change in Piraeus
Water temperature in Piraeus by month
Piraeus located in the northern hemisphere, at latitude 37 degrees. The comfortable water temperature for swimming is set here in May, almost always only at the end of the month. During a year in Piraeus there are 177 days of swimming. In general, the swimming season ends In November. Average annual water temperature on the coast in Piraeus is 20.2°C, by the seasons: in winter 15.9°C, in spring 16.7°C, in summer 25.2°C, in autumn 22.8°C. Minimum water temperature (14.3°C) in Piraeus it happens in February, maximum (27.0°C) in August.
You can find out detailed data on how the water temperature in Piraeus changes in each specific month:
Piraeus: general information and map
Neighboring cities and resorts
| City | Water* | Distance** |
| Keratsini | 16.7°C | 2km |
| Moskhaton | 16.9°C | 3km |
| Perama | 16.9°C | 6km |
| Athens | 16.7°C | 8km |
| Alimos | 17.1°C | 9km |
| Elliniko | 17.1°C | 11km |
| Elefsina | 17.1°C | 13km |
| Salamina | 16.9°C | 13km |
| Glyfada | 16.7°C | 14km |
| Eantio | 17.2°C | 17km |
| Voula | 17.1°C | 17km |
| Peristeria | 17.1°C | 17km |
** Straight line distance in kilometers
The warmest water today in Greece recorded in Kremasti, its value is 18.7°C. Lowest - in Ennato, there water temperature now 15.6°C. Average water temperature in the country today - 17.1°C.
Water temperature data in Piraeus 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 Athen Helenikon (HEW) airport. We have no information as to whether it is valid and what flights it receives or sends.
Piraeus: weather forecast
The weather forecast is shown in local time in Piraeus
36km/hhumidity: 61%, clouds: 65%
27km/hhumidity: 58%, clouds: 33%
25km/hhumidity: 62%, clouds: 0%
20km/hhumidity: 64%, clouds: 0%
18km/hhumidity: 64%, clouds: 0%
20km/hhumidity: 61%, clouds: 21%
23km/hhumidity: 61%, clouds: 34%
21km/hhumidity: 62%, clouds: 17%
13km/hhumidity: 54%, clouds: 3%
18km/hhumidity: 54%, clouds: 2%
20km/hhumidity: 60%, clouds: 0%
9km/hhumidity: 64%, clouds: 2%
1km/hhumidity: 62%, clouds: 11%
6km/hhumidity: 62%, clouds: 35%
10km/hhumidity: 62%, clouds: 100%
12km/hhumidity: 63%, clouds: 100%
6km/hhumidity: 63%, clouds: 32%
5km/hhumidity: 52%, clouds: 35%
9km/hhumidity: 54%, clouds: 17%
7km/hhumidity: 68%, clouds: 16%
17km/hhumidity: 67%, clouds: 0%
20km/hhumidity: 67%, clouds: 0%
21km/hhumidity: 68%, clouds: 0%
21km/hhumidity: 68%, clouds: 0%
12km/hhumidity: 63%, clouds: 0%
20km/hhumidity: 60%, clouds: 0%
28km/hhumidity: 53%, clouds: 0%
21km/hhumidity: 53%, clouds: 0%
20km/hhumidity: 58%, clouds: 0%
26km/hhumidity: 62%, clouds: 0%
28km/hhumidity: 63%, clouds: 0%
29km/hhumidity: 66%, clouds: 0%
32km/hhumidity: 63%, clouds: 0%
34km/hhumidity: 56%, clouds: 0%
34km/hhumidity: 61%, clouds: 0%
30km/hhumidity: 61%, clouds: 0%
32km/hhumidity: 63%, clouds: 0%
39km/hhumidity: 66%, clouds: 0%
41km/hhumidity: 68%, clouds: 0%
36km/hhumidity: 71%, clouds: 0%
