The most detailed information about the water temperature in Alonnisos in Aegean Sea (Thessaly, 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 Alonnisos for a week.
Water temperature in Alonnisos right now
data updated 8 minutes ago64°F
yesterday: 64°F
a week ago: 60°F
Trend: slow rise
Today water temperature in Alonnisos is 64.4°F. 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 56°F.
Analysis and forecast
The water temperature today is slightly higher than the average on this day in recent years. Its value has rise both over the past 20 days and over the past week. Exactly a year ago, on this day, the water temperature in this location was 59°F. Water temperature range in Alonnisos in April is from 55 to 68 degrees.
According to our forecast, the water temperature in Alonnisos will slowly rise for at least the next 10 days and reach a value of 67°F.
Table of water temperature values in Alonnisos
| Day | Fact* | Average** | Forecast*** |
| Apr 13 | 16.3°C | 15.5°C | |
| Apr 14 | 16.8°C | 15.8°C | |
| Apr 15 | 16.7°C | 16.3°C | |
| Apr 16 | 17.0°C | 16.0°C | |
| Apr 17 | 18.3°C | 16.5°C | |
| Apr 18 | 17.3°C | 16.0°C | |
| Apr 19 | 18.0°C | 16.8°C | |
| Apr 20 | 18.0°C | 15.8°C | |
| Apr 21 | 15.8°C | 18.0°C | |
| Apr 22 | 15.8°C | 18.0°C | |
| Apr 23 | 16.0°C | 18.2°C | |
| Apr 24 | 16.5°C | 18.8°C | |
| Apr 25 | 16.5°C | 18.8°C | |
| Apr 26 | 16.3°C | 18.6°C | |
| Apr 27 | 16.8°C | 19.1°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 Alonnisos
Water temperature in Alonnisos by month
Alonnisos located in the northern hemisphere, at latitude 39 degrees. The comfortable water temperature for swimming is set here in May, usually in the middle of the month. During a year in Alonnisos there are 163 days of swimming. In general, the swimming season ends In November. Average annual water temperature on the coast in Alonnisos is 67°F, by the seasons: in winter 59°F, in spring 62°F, in summer 77°F, in autumn 71°F. Minimum water temperature (56°F) in Alonnisos it happens in February, maximum (81°F) in July.
You can find out detailed data on how the water temperature in Alonnisos changes in each specific month:
Alonnisos: general information and map
Neighboring cities and resorts
| City | Water* | Distance** |
| Skopelos | 63°C | 10km |
| Xanemos | 64°C | 29km |
| Skiathos | 64°C | 31km |
| Kolios | 63°C | 34km |
| Maratha | 63°C | 37km |
| Mortia | 64°C | 44km |
| Fragkaki | 63°C | 45km |
| Psaropouli | 64°C | 45km |
| Agkali | 63°C | 47km |
| Limnionas | 63°C | 49km |
| Potistika | 64°C | 49km |
| Mikro | 64°C | 50km |
** Straight line distance in kilometers
The warmest water today in Greece recorded in Kastellorizo, its value is 67°F. Lowest - in Mithymna, there water temperature now 61°F. Average water temperature in the country today - 64°F.
Water temperature data in Alonnisos 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 29 kilometers. This is Skiathos Island National (JSI) airport. We have no information as to whether it is valid and what flights it receives or sends.
Alonnisos: weather forecast
The weather forecast is shown in local time in Alonnisos
50km/hhumidity: 89%, clouds: 100%
60km/hhumidity: 80%, clouds: 100%
37km/hhumidity: 67%, clouds: 98%
10km/hhumidity: 61%, clouds: 56%
23km/hhumidity: 67%, clouds: 1%
37km/hhumidity: 72%, clouds: 2%
30km/hhumidity: 72%, clouds: 6%
20km/hhumidity: 70%, clouds: 3%
19km/hhumidity: 74%, clouds: 3%
14km/hhumidity: 73%, clouds: 4%
5km/hhumidity: 62%, clouds: 16%
13km/hhumidity: 55%, clouds: 57%
17km/hhumidity: 65%, clouds: 100%
12km/hhumidity: 61%, clouds: 70%
17km/hhumidity: 68%, clouds: 6%
13km/hhumidity: 69%, clouds: 48%
12km/hhumidity: 65%, clouds: 100%
10km/hhumidity: 68%, clouds: 100%
4km/hhumidity: 63%, clouds: 100%
1km/hhumidity: 60%, clouds: 100%
17km/hhumidity: 70%, clouds: 100%
19km/hhumidity: 76%, clouds: 100%
20km/hhumidity: 81%, clouds: 100%
21km/hhumidity: 84%, clouds: 100%
30km/hhumidity: 84%, clouds: 100%
24km/hhumidity: 82%, clouds: 100%
30km/hhumidity: 82%, clouds: 100%
25km/hhumidity: 84%, clouds: 99%
6km/hhumidity: 84%, clouds: 84%
14km/hhumidity: 85%, clouds: 72%
16km/hhumidity: 87%, clouds: 15%
14km/hhumidity: 86%, clouds: 42%
20km/hhumidity: 85%, clouds: 32%
18km/hhumidity: 74%, clouds: 16%
16km/hhumidity: 66%, clouds: 0%
2km/hhumidity: 58%, clouds: 0%
9km/hhumidity: 60%, clouds: 5%
