Coastal waters

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

Issued: 20 may 2026 09:34 UTC

A warning to shipping:

Flushing Zierikzee Hook of Holland IJmuiden Texel
southwest 6

Other districts:
no warning

Synopsis:

Low west of Scotland moving slowly northwards and filling. Associated trough over the German Bight moving eastwards. High is expected over Northern France at the end of the period.

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

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

Zierikzee Texel
southwest 4-5, first possibly 6, decreasing 3-4, visibility good

Hook of Holland IJmuiden
southwest 4-5, first possibly 6, visibility good

Rottum Delfzijl
west to southwest 4-5, soon decreasing 3-4,first risk of a shower, visibility good, in precipitation possibly moderate

Harlingen IJsselmeer Marken
west to southwest 4-5, soon decreasing 3-4, visibility good

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

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

Zierikzee
southwest 3-4, soon decreasing 2-3, later veering west, visibility good

Texel
southwest 3-4, visibility good

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

Next forecast will be approximately issued at Wednesday 20 may 2026 18.00 UTC.