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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.


Estaciones meteorológicas cercanas - Struisbaai Distancia
Struisbaai 0.0 km
Cabo de las Agujas 6.6 km
Riviersonderend 70.6 km
Hermanus 102.1 km
Robertson 106.2 km
Vyeboom 128.8 km
Worcester 140.8 km
Worcester 140.8 km
Riversdale 151.4 km
Strand 151.7 km
Stilbaai 153.4 km
Paarl 167.1 km
Cabo Point 180.7 km
Ciudad del Cabo aeropuerto 185.3 km
Laingsburg 189.1 km
Ladismith 190.9 km
Air Force Base Ysterplaat 198.4 km
Bahía de la Mesa 205.0 km
Excelsior Ceres 205.1 km
Malmesbury 205.4 km
Molteno Reservior 205.4 km
Slangkop 206.4 km
Isla Robben 216.5 km
Mosselbaai Aeropuerto 240.6 km
Sutherland 260.9 km
George aeropuerto 270.4 km
Prince Albert 274.5 km
Geelbek 274.7 km
Langebaanweg aeropuerto 286.2 km
Langebaan 291.0 km
Clanwilliam 305.0 km
Cape Columbine 322.1 km
Fraserburg aeropuerto 340.7 km
Knysna 344.7 km
Lambert's Bay 349.0 km
Calvinia aeropuerto 350.5 km
Plettenberg Bay 370.4 km
Vredendal aeropuerto 372.6 km
Beaufort West 375.5 km
Nieuwoudtville 378.4 km
Willowmore 413.1 km
Tsitsikamma National Park 434.0 km
Joubertina 434.6 km
Brandvlei 454.9 km
Vanwyksvlei 502.0 km
Porterville 516.7 km
St Francis Bay 534.2 km
Patensie 539.3 km
Graaff-Reinet 566.3 km
Koingnaas 575.5 km
De Aar 612.4 km
Noupoort 658.6 km