For UK boat owners

Scrubbing off Calendar

Monthly view • Harmonic predictions • Boat scrubbing day finder

Swanage tide times and boat scrubbing days

Swanage is a UK Hydrographic Office tide station in England at 50.617°, -1.950°. 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.

5 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: Fri 6 Nov, Sat 7 Nov, Sun 8 Nov, Mon 9 Nov, Tue 10 Nov.

Next 7 days of tidal events at Swanage (UK local time, heights in metres above Chart Datum)
DayTidal eventsScrubbing morning?
Thu 5 NovLW 00:12 (0.9 m) HW 06:08 (1.8 m) LW 12:39 (1.1 m) HW 18:13 (1.8 m)—
Fri 6 NovLW 00:59 (0.9 m) HW 06:41 (1.9 m) LW 13:24 (1.0 m) HW 18:52 (1.9 m)✅ Yes
Sat 7 NovLW 01:42 (0.8 m) HW 07:14 (2.0 m) LW 14:05 (1.0 m) HW 19:27 (2.0 m)✅ Yes
Sun 8 NovLW 02:21 (0.8 m) HW 07:39 (2.1 m) LW 14:42 (0.9 m) HW 19:55 (2.1 m)✅ Yes
Mon 9 NovLW 02:57 (0.9 m) HW 07:53 (2.2 m) LW 15:17 (0.9 m) HW 20:19 (2.1 m)✅ Yes
Tue 10 NovLW 03:33 (0.9 m) HW 08:25 (2.2 m) LW 15:53 (0.9 m) HW 20:51 (2.1 m)✅ Yes
Wed 11 NovLW 04:09 (1.0 m) HW 09:01 (2.2 m) LW 16:29 (0.9 m) HW 21:25 (2.1 m)—

Open the Swanage monthly calendar

Planning a scrub at Swanage

  • 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.