Coastal waters

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

Issued: 20 may 2026 15:27 UTC

A warning to shipping:

Flushing Zierikzee
southwest 6

Other districts:
no warning

Synopsis:

low west of Scotland moving slowly northwards and filling. high over South France is building and arriving closer.

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

Flushing
southwest 4-5, first possibly 6, decreasing 3-4, visibility moderate to good

Zierikzee
southwest 4-5, in the west first possibly 6, decreasing 3-4, later 2-3, visibility moderate to good

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

Texel
west to southwest 3-4, first possibly 5, visibility moderate to good

Rottum Delfzijl Harlingen
west to southwest 3-4, first possibly 5, visibility good

IJsselmeer Marken
west to southwest 3-4, visibility good

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

Flushing Hook of Holland
southwest 3-4, decreasing south to southwest 2-3, visibility good

Zierikzee
west to southwest 2-3, later variable 1-3, visibility good

IJmuiden
southwest 3-4, later decreasing south to southwest 2-3, visibility good

Texel
west to southwest 3-4, backing south to southwest, visibility good

Rottum Delfzijl Harlingen
west to southwest 3-4, later decreasing 2-3, visibility good

IJsselmeer Marken
west to southwest 2-3, occasionally 4, visibility good

Next forecast will be approximately issued at Thursday 21 may 2026 00.00 UTC.