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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 - Wejherowo Distance
Gdańsk Lech Wałęsa Airport 32.5 km
Lębork 55.0 km
Hel 62.6 km
Żuławki 80.6 km
Łeba 81.7 km
Petrobaltic Beta 95.2 km
Chojnice 121.8 km
Elbląg 138.8 km
Ustka 154.0 km
Bydgoszcz 158.3 km
Toruń 166.1 km
Szczecinek 197.2 km
Piła 227.1 km
Koszalin 236.7 km
Hoburg 247.5 km
Koło 255.8 km
Olsztyn 256.0 km
Kaliningrad 256.4 km
Płock 267.5 km
Olands Sodra Udde 268.2 km
Poznań 277.8 km
Mława 280.9 km
Kalisz 296.7 km
Kołobrzeg 300.2 km
Kalmar Airport 311.4 km
Oestergarnsholm 312.4 km
Kalmar 315.2 km
Utklippan 318.5 km
Olands Norra Udde 321.8 km
Visby 326.1 km
Resko 327.3 km
Łódź 327.4 km
Klaipėda 335.9 km
Karlskrona 339.8 km
Palanga 348.8 km
Leszno 349.1 km
Kętrzyn 351.1 km
Nexø 354.8 km
Warsaw Modlin Airport 355.4 km
Wieluń 357.3 km
Farosund-Ar 360.2 km
Šilutė 364.9 km
Liepāja 366.8 km
Zielona Góra 377.1 km
Ronneby 377.5 km
Mikołajki 380.4 km
Gorzów Wielkopolski 383.7 km
Sulejów 384.9 km
Gladhammar 386.1 km
Szczecin-Dąbie Airstrip Airport 387.6 km
Rønne 393.0 km
Hammerodde/Bornholm 393.4 km
Kosta 394.3 km
Warsaw - Okecie 394.5 km
Copernicus Airport Wrocław 399.4 km
Ostrołęka 401.2 km
Pāvilosta 406.7 km
Hanö 408.2 km
Częstochowa 408.6 km
Harstena 412.5 km
Hultsfred Airport 413.6 km
Gotska Sandön 415.4 km
Opole 419.8 km
Legnica 426.0 km
Horn 440.1 km
Landsort 443.0 km
Skillinge 448.3 km
Grambow 449.8 km
Växjö 450.8 km
Świnoujście 452.8 km
Laukuva 456.4 km
Växjö Airport 465.2 km
Manschnow 466.3 km
Katowice-Pyrzowice 467.0 km
Ventspils Intl. Airport 467.7 km
Ventspils 469.6 km
Telšiai 469.6 km
Skavasta/Stockholm 469.7 km
Radom Airport 469.9 km
Słubice 471.1 km
Ueckermünde 473.9 km
Kłodzko 476.8 km
Coschen 477.9 km
Jelenia Góra 478.2 km
Racibórz 479.4 km
Norrköping Airport 480.0 km
Kielce 480.2 km
Šerák 483.2 km
Kozienice 484.4 km
Kristianstad Airport 485.2 km
Norrköping 485.3 km
Kolmarden-Stromsfors 486.0 km
Mažeikiai 489.0 km
Sněžka 495.8 km
Linköping/Saab Airport 497.4 km
Polom 498.5 km
Sněžka 500.4 km
Malexander 500.6 km
Kraków Airport -Balice 504.4 km
Linkoping/Malmslaett 506.6 km