Coastal waters

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

Issued: 11 may 2026 09:30 UTC

A warning to shipping:

Flushing Zierikzee
northwest 6

Hook of Holland IJmuiden Marken
northwest 7

Texel Harlingen IJsselmeer
northwest 8

Rottum Delfzijl
north to northwest 8

Synopsis:

Low over the German Bight is moving with associated troughs southeastwards to the northwest of Germany and is filling. Weak ridge over the British Isles is moving to the coastal area on Tuesday.

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

Flushing
northwest 5-6,occasional showers, visibility good, in precipitation moderate

Zierikzee
northwest 4-5, soon increasing 5, occasionally 6,occasional showers, visibility good, in precipitation moderate

Hook of Holland
northwest 5-6, increasing 6-7,occasional showers, visibility good, in precipitation moderate

IJmuiden
northwest 5-6, increasing 6-7, later possibly 8,occasional showers, visibility good, in precipitation moderate

Texel
northwest 6-7, temporary increasing 7-8,showers, from the evening risk of hail and small risk of thunder, visibility good, in precipitation moderate, possibly poor

Rottum Delfzijl
west to northwest 5-6, soon increasing 6-7, veering north to northwest, in the west temporary 8,showers, from the evening risk of hail and small risk of thunder, visibility good, in precipitation moderate, possibly poor

Harlingen
northwest 5-6, soon increasing 6-7, temporary 7-8,showers, from the evening risk of hail and small risk of thunder, visibility good, in precipitation moderate, possibly poor

IJsselmeer
northwest 5-6, soon increasing 6-7, temporary 7-8,showers, from the evening risk of hail, visibility good, in precipitation moderate, possibly poor

Marken
northwest 4-5, soon increasing 5-6, gradually 7, later possibly 8,showers, from the evening risk of hail, visibility good, in precipitation moderate, possibly poor

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

Flushing
northwest 5-6, soon decreasing 4-5, later backing southwest,in the morning isolated light showers, visibility good, in precipitation possibly moderate

Zierikzee
northwest 5-6, decreasing 3-4, later backing west to southwest,in the morning isolated light showers, visibility good, in precipitation possibly moderate

Hook of Holland IJmuiden
northwest 6-7, decreasing 4-5, later backing west to southwest,in the morning isolated light showers, visibility good, in precipitation possibly moderate

Texel Harlingen IJsselmeer Marken
gusts up to 50 knots,north to northwest 6-7, decreasing 4-5, later backing west,isolated light showers, visibility good, in precipitation possibly moderate

Rottum Delfzijl
gusts up to 50 knots,north to northwest 6-7, decreasing 4-5, later backing west,showery rain, soon then isolated light showers, visibility good, in precipitation moderate

Next forecast will be approximately issued at Monday 11 may 2026 18.00 UTC.