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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Nearby Weather Stations - Spetses Distance
Tripoli Airport 87.9 km
Elliniko Airport 90.6 km
Elefsina Airport 93.1 km
Kythira 101.8 km
El Venizelos 108.1 km
Tatoi Palace 111.2 km
Athens Airport 112.1 km
Tanagra Airport 115.5 km
Kalamata 127.8 km
Milos Airport 158.8 km
Methoni 167.5 km
Lamia 183.3 km
Skiathos 199.8 km
Syros Airport 201.2 km
Nea Anchialos Airport 204.0 km
Chania Intl. Airport 207.8 km
Patras Araxos Airport 213.3 km
Andravida 218.3 km
Paros Airport 221.4 km
Skyros Airport 228.0 km
Mykonos 245.5 km
Naxos Airport 247.6 km
Naxos 248.0 km
Larissa National Airport 256.2 km
Zakynthos Airport 257.2 km
Santorini 268.4 km
Tympaki Airport 287.9 km
Heraklion Airport 299.6 km
Cephalonia Airport 307.8 km
Preveza 315.3 km
Kastelli Airport 321.0 km
Thessaloniki Airport 333.5 km
Kozani 347.1 km
Chios Airport 349.2 km
Lemnos Airport 355.2 km
Ioannina 362.7 km
Çeşme 365.9 km
Kastoria Airport 388.3 km
Sitia Airport 388.6 km
Serres 391.1 km
Gevgelija 404.9 km
Leros 406.4 km
Florina 411.3 km
Kavala/Chrisoupolis 411.3 km
Samos Airport 420.9 km
Mytilene 424.9 km
Corfu 434.4 km
Korçë 435.9 km
Bitola 437.4 km
Demir Kapija 437.8 km
Sandanski 438.4 km
Kos Airport 441.2 km
Sarandë 442.9 km
Gjirokastër 443.2 km
Ayvalık 445.3 km
Çiğli Air Base 447.7 km
Prilep 454.2 km
Dikili 454.3 km
Berovo 457.2 km
İzmir Adnan Menderes Airport 457.5 km
Kuşadası 460.4 km
İzmir 462.3 km
Çanakkale 463.5 km
Štip 472.9 km
Ohrid Airport 473.3 km
Ohrid St. Paul AP 475.8 km
Alexandroupolis Airport 475.9 km
Bodrum 477.3 km
Balıkesir Koca Seyit Airport 488.0 km
Karpathos 489.2 km
Manisa 495.8 km
Milas- Bodrum Airport 502.8 km
Datça 506.0 km
Kardzhali 508.7 km
Skopje-Petrovec 511.7 km
Kuçovë 514.5 km
Lazaropole 518.1 km
Vlorë 526.0 km
Elbasan 526.2 km
Aydın 526.5 km
Pozharane 536.9 km
Sazan 545.7 km
Peshkopi 547.5 km
Akhisar 548.8 km
Yzberish 562.5 km
Tirana 563.8 km
Balıkesir 580.7 km
Edirne 584.9 km
Durrës 587.0 km
Tekirdağ 616.1 km
Bandırma 617.4 km
Kırklareli 639.5 km
Çorlu 657.5 km