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  • The warnings forecast covers the coastal waters around the Netherlands up to 30 nautical mile offshore and the greater inland waters. This area is divided into the following districts: Vlissingen, Zierikzee, Hoek van Holland, IJmuiden, Texel, Harlingen, Rottum, Delfzijl, IJsselmeer and Markermeer. The forecast contains wind warnings in force (≥6 Bft) and storm warnings. Visit https://www.knmi.nl/nederland-nu/weer/waarschuwingen-en-verwachtingen/warnings-coastal-waters-and-dutch-continental-shelf and https://www.knmi.nl/nederland-nu/maritiem/marifoon_uitleg for more information.

  • The Marifoon forecast covers the coastal waters around the Netherlands up to 30 nautical mile offshore and the greater inland waters. This area is divided into the following districts: Vlissingen, Zierikzee, Hoek van Holland, IJmuiden, Texel, Harlingen, Rottum, Delfzijl, IJsselmeer and Markermeer. The Marifoon is issued four times a day and covers a period of 24 hours beginning at 00:00, 06:00, 12:00 and 18:00 UTC. The forecast contains wind warnings in force (≥6 Bft) and a forecast of: general synopsis, average wind direction and force, wind gusts (if  ≥ 10 knots above average wind), weather and visibility for the districts mentioned above. For the time indication, "first" or "soon" are used for a change in the weather in the first 4 hours of the time block, "later" is used to indicate a change in the last 4 hours. Visit https://www.knmi.nl/nederland-nu/maritiem/marifoon_uitleg for more information. The data is published in two different formats: txt and xml.

  • The North Sea shipping forecast covers the North Sea, divided into 5 districts: Dogger, German Bight, Humber, Thames and Dover. The North Sea shipping forecast is issued twice a day at 10:00 and 22:00 LT and covers a period of 24 hours beginning at 09:00 and 21:00 UTC respectively.The forecast contains wind warnings in force (≥7 Bft) and a forecast of: general synopsis, wind direction and force, weather and visibility for the districts mentioned above. For the time indication, 'first' or 'soon' are used for a change in the weather in the first 4 hours of the time block, 'later' is used to indicate a change in the last 4 hours. For more information regarding an explanation of the terminology used in the data, please visit: https://www.knmi.nl/nederland-nu/maritiem/scheepsweerbericht_uitleg. The data is published in two different formats: txt and xml.

  • The North Sea shipping warnings cover the North Sea, divided into 5 districts: Dogger, German Bight, Humber, Thames and Dover. The warnings bulletin contains wind warnings in force (≥7 Bft) and storm warnings. Visit https://www.knmi.nl/nederland-nu/weer/waarschuwingen-en-verwachtingen/warnings-coastal-waters-and-dutch-continental-shelf and https://www.knmi.nl/nederland-nu/maritiem/dutch-continental-shelf for more information.

  • Frequency tables for different meteorological quantities for different KNMI measuring stations, for the period 1981-2000.

  • The frequency tables or figures showing how often the wind per direction per speed (in Bft) has occurred in 30 years.