Coastal waters

The weatherforecast for Netherlands coastal waters and adjacent lakes and estuaries.

Issued: 16 september 2025 09:58 UTC

A warning to shipping:

Flushing Hook of Holland
west 7

Zierikzee
west to southwest 7

IJmuiden
west 8

Texel
west to northwest 8

Rottum Delfzijl Harlingen
west to northwest 7

IJsselmeer Marken
southwest 7

Synopsis:

Low over Norway moving to Finland. Associated troughs will move eastwards across the coastal area. A weak ridge is expected over the North Sea at the end of the period, followed by a second trough.

Forecast valid from 12:00 to 00:00 UTC:

Flushing Hook of Holland
west 6-7, soon decreasing 5-6, decreasing 4-5,risk shower, visibility good, moderate in precipitation

Zierikzee
west to southwest 5-6, first possibly 7, decreasing 4-5, later southwest 3-4,risk shower, visibility good, moderate in precipitation

IJmuiden
west 6-7, first possibly 8, soon decreasing 5-6, later decreasing 4-5,rain and showers, small risk thunder, soon occasional showers, visibility good, moderate in precipitation, possibly poor

Texel
west to northwest 6-7, first possibly 8, soon decreasing 5-6, later west 4-5,rain and showers, small risk thunder, soon occasional showers, visibility good, moderate in precipitation, possibly poor

Rottum Delfzijl
west to northwest 5-6, first possibly 7,rain and showers, small risk thunder, soon occasional showers, visibility good, moderate in precipitation, possibly poor

Harlingen
west to northwest 6-7, soon decreasing 5-6, later west 4-5,rain and showers, small risk thunder, soon occasional showers, visibility good, moderate in precipitation, possibly poor

IJsselmeer Marken
southwest 5-6, first possibly 7, soon veering west, decreasing 4-5,rain and showers, small risk thunder, soon occasional showers, visibility good, moderate in precipitation, possibly poor

Forecast valid from 00:00 to 12:00 UTC:

Flushing Hook of Holland IJmuiden
west 4-5, backing southwest, later increasing south to southwest 5-6,risk shower, rain later or drizzle, visibility good, moderate in precipitation, later possibly poor

Zierikzee
southwest 3-4, later increasing south to southwest 4-5,risk shower, rain later or drizzle, visibility good, moderate in precipitation, later possibly poor

Texel
west 4-5, later backing southwest,risk shower, rain later or drizzle, visibility good, moderate in precipitation, later possibly poor

Rottum Delfzijl
west 5-6, soon decreasing 4-5, later backing southwest,risk shower, visibility good, moderate in precipitation

Harlingen
west 4-5, later backing southwest,risk shower, visibility good, moderate in precipitation

IJsselmeer Marken
west to southwest 4-5, soon decreasing 3-4, later increasing south to southwest 4-5,risk shower, visibility good, moderate in precipitation

Next forecast will be approximately issued at Tuesday 16 september 2025 18.00 UTC.