For UK boat owners

Scrubbing off Calendar

Monthly view • Harmonic predictions • Boat scrubbing day finder

Formby tide times and boat scrubbing days

Formby is a UK Hydrographic Office tide station in England at 53.533°, -3.117°. This page lists the next 7 days of official Admiralty high and low water predictions and flags the mornings when high water falls in the 06:30 to 09:00 scrubbing window. The interactive calendar extends this to a full month with harmonic predictions.

2 mornings in the next 7 days have a high water between 06:30 and 09:00, the ideal window to put a boat on the scrubbing grid or posts: Thu 5 Nov, Fri 6 Nov.

Next 7 days of tidal events at Formby (UK local time, heights in metres above Chart Datum)
DayTidal eventsScrubbing morning?
Thu 5 NovLW 01:55 (1.9 m) HW 07:59 (8.0 m) LW 14:15 (2.3 m) HW 20:15 (8.3 m)✅ Yes
Fri 6 NovLW 02:51 (1.6 m) HW 08:49 (8.3 m) LW 15:08 (2.0 m) HW 21:02 (8.6 m)✅ Yes
Sat 7 NovLW 03:39 (1.4 m) HW 09:29 (8.5 m) LW 15:53 (1.7 m) HW 21:43 (8.7 m)—
Sun 8 NovLW 04:19 (1.4 m) HW 10:06 (8.7 m) LW 16:32 (1.6 m) HW 22:21 (8.8 m)—
Mon 9 NovLW 04:54 (1.4 m) HW 10:39 (8.8 m) LW 17:08 (1.6 m) HW 22:55 (8.8 m)—
Tue 10 NovLW 05:26 (1.5 m) HW 11:12 (8.8 m) LW 17:41 (1.6 m) HW 23:30 (8.7 m)—
Wed 11 NovLW 05:57 (1.7 m) HW 11:44 (8.8 m) LW 18:14 (1.7 m)—

Open the Formby monthly calendar

Planning a scrub at Formby

  • Aim for a high water between 06:30 and 09:00 so the boat dries out through the morning and refloats on the afternoon flood.
  • Spring tides (around new and full moon) give a larger range and more working time on the grid.
  • Check the height of high water against the depth of your grid or posts; neap tides may not float a deep-keeled yacht on.
  • Predictions beyond 7 days are harmonic estimates. Confirm dates against official tide tables before committing a crane or grid booking.