Coastal waters

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

Issued: 20 may 2026 03:36 UTC

A warning to shipping:

Flushing Zierikzee Hook of Holland IJmuiden Texel
southwest 6

Other districts:
no warning

Synopsis:

Low northwest of Scotland will move north whilst filling. Trough will move northeastwards across the coastal area Wednesday morning. High is building over France.

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

Flushing Hook of Holland
southwest 5-6,first occasional showers, visibility good, in precipitation possibly moderate

Zierikzee
southwest 4-5, in the morning in the west occasionally 6,first occasional showers, visibility good, in precipitation possibly moderate

IJmuiden
southwest 5-6, decreasing 4-5,first occasional showers, visibility good, in precipitation possibly moderate

Texel
southwest 5-6, soon decreasing 4-5,first occasional showers, visibility good, in precipitation possibly moderate

Rottum Delfzijl IJsselmeer Marken
southwest 4-5, later decreasing 3-4,especially first occasional showers, visibility good, in precipitation possibly moderate

Harlingen
southwest 4-5, later decreasing 3-4,first occasional showers, visibility good, in precipitation possibly moderate

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

Flushing
southwest 5-6, gradually decreasing 3-4, visibility good

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

Texel
southwest 4-5, soon decreasing 3-4, visibility good

Rottum Delfzijl Harlingen IJsselmeer Marken
southwest 3-4, visibility good

Next forecast will be approximately issued at Wednesday 20 may 2026 12.00 UTC.