Coastal waters

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

Issued: 18 december 2025 21:41 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden Rottum Harlingen
south 7

Zierikzee Delfzijl IJsselmeer Marken
south 6

Texel
south 8

Synopsis:

Low south of Iceland is slowly moving east. Associated trough over the coastal area moving at night east.

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

Flushing Hook of Holland IJmuiden
south to southwest 5-6, first occasionally 7, decreasing southwest 4-5,at night occasionally rain or drizzle, visibility good, in precipitation moderate

Zierikzee
south to southwest 4-5, in the western part first occasionally 6, decreasing 3-4,at night occasionally rain or drizzle, visibility good, in precipitation moderate

Texel
south to southwest 6-7, first occasionally 8, decreasing southwest 5-6,at night occasionally rain or drizzle, visibility good, in precipitation moderate

Rottum
south to southwest 5-6, first occasionally 7, decreasing southwest 4-5,occasionally rain or drizzle, visibility good, in precipitation moderate

Delfzijl IJsselmeer Marken
south to southwest 5-6, soon decreasing 4-5, later 3-4,occasionally rain or drizzle, visibility good, in precipitation moderate, possibly poor

Harlingen
south to southwest 5-6, first occasionally 7, decreasing southwest 4-5,at night occasionally rain or drizzle, visibility good, in precipitation moderate, possibly poor

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

Flushing Hook of Holland IJmuiden
southwest 4-5, later decreasing 3-4, visibility good

Zierikzee
southwest 3-4, later decreasing 2-3, visibility good, in the evening decreasing moderate to poor

Texel
southwest 5-6, decreasing 4-5, visibility good

Rottum
southwest 4-5, temporary occasionally 6, visibility good

Delfzijl IJsselmeer Marken
southwest 3-4, visibility good

Harlingen
southwest 4-5, decreasing 3-4, visibility good

Next forecast will be approximately issued at Friday 19 december 2025 06.00 UTC.