Black all day today, then worth blocking time tomorrow, 08:00–17:00 — blue to red, up to 1.5 m.

Through the window the wind is cross-offshore, gusting 54 km/h. Moderate confidence: our main forecast shows it, the second doesn't. 1 more window in the next seven days. There's also a chance Wednesday, 07:30–17:22: blue, up to 1.0 m (low confidence: our main forecast shows it, the second doesn't, but it's more than three days out). All day today: 4.6 m waves with onshore gusts to 88 km/h.

The next seven days at Ter Heijde — for blue and red days, updated 11:51

Sunday Oct 25: black (experts only), up to 3.0 m
Monday Oct 26: blue to red, 08:00–17:00, up to 1.6 m, 7 s, wind cross-offshore
Tuesday Oct 27: blue, 16:00–17:24, up to 0.7 m, 6 s, wind cross-shore
Wednesday Oct 28: blue, 07:30–17:22, up to 1.1 m, 5 s, wind cross-onshore (a chance)
Thursday Oct 29: green, up to 0.4 m
Friday Oct 30: flat, up to 0.3 m
Saturday Oct 31: flat, up to 0.2 m

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About Ter Heijde

A groyne-lined beach in Westland, between Hoek van Holland and Kijkduin. The groynes are numbered and often hard to see at high water.

The current along this stretch runs north on the incoming tide, from about two hours before high water to three and a half hours after, and south the rest of the time; it is strongest on the incoming tide. The water gets deep quickly and the shorebreak can be steep.

The beach faces NW (310°). Offshore wind, the clean kind, blows from between E and S; onshore wind from between WSW and NNE chops it up; the rest is cross-shore.

We take the wind 5 km out to sea, check the waves against Rijkswaterstaat's Hollandse Kust Zuid platform station 22 km away, and read storm surge at the Hoek van Holland gauge.

Along the coast: Hoek van Holland to the south, Kijkduin to the north.