Coastal waters

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

Issued: 21 january 2026 17:00 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden
southeast 6

Texel Rottum
east to southeast 6

Other districts:
no warning

Synopsis:

Low over Ireland is slowly moving northwestwards. Associated trough is moving northwards across the coastal area.

Forecast valid from 18:00 to 06:00 UTC:

Flushing Hook of Holland
southeast 5-6, later decreasing 4-5, visibility good

Zierikzee
east to southeast 4-5, soon decreasing 3-4, visibility good

IJmuiden
southeast 5-6, visibility good

Texel Rottum
east to southeast 5-6, later increasing 6-7, visibility good

Delfzijl Harlingen IJsselmeer Marken
east to southeast 4-5, later increasing 5-6, visibility good

Forecast valid from 06:00 to 18:00 UTC:

Flushing
east to southeast 4-5, first possibly 6,for a time light rain or drizzle, visibility good, in precipitation possibly moderate

Zierikzee
east to southeast 3-4,for a time light rain or drizzle, visibility good, in precipitation possibly moderate

Hook of Holland
east to southeast 4-5, first possibly 6,later light rain or drizzle, visibility good, in precipitation possibly moderate

IJmuiden
east to southeast 5-6,later light rain or drizzle, visibility good, in precipitation possibly moderate

Texel Rottum
east 6-7, visibility good

Delfzijl Harlingen
east 5-6, visibility good

IJsselmeer Marken
east 5-6, decreasing 4-5, visibility good

Next forecast will be approximately issued at Thursday 22 january 2026 00.00 UTC.