solenthandbook.com 146 RISE & FALL OF THE TIDE AT PORTSMOUTH © Crown Copyright and/or database rights. Reproduced by permission of the Controller of Her Majesty’s Stationery Office and the UK Hydrographic Office ( www.ukho.gov.uk ) 0 12 3 LW Hts m ML WS ML WN CHART DA TUM MHWS MHWN 0 12 34 5 HW Hts m F a c t o r 08 . 09 . 06 . 07 . 04 . 05 . 02 . 01 . 03 . LW –5 h –6 h –4 h –3 h –2 h –1 h +1 h +2 h +3 h +4 h +5 h HW F a c t o r 0 8 . 0 9 . 0 6 . 0 7 . 0 4 . 0 5 . 0 2 . 0 1 . 0 3 . Heights are in metres above Chart Datum MHWS MHWN 34 5 MEAN RANGES Springs Neaps 39 m · 19 m · F a c t o r 08 . 09 . 06 . 07 . 04 . 05 . 02 . 01 . 03 . LW –5 h –6 h –4 h –3 h –2 h –1 h +1 h +2 h +3 h +4 h +5 h HW MEAN SPRING AND NEAP CUR VES Springs occur 2 days after New and Full Moon Hours before HW Hours after HW C.D. METRES Mean Springs Mean Neaps PORTSMOUTH TIDE TABLES 2024-25 PORTSMOUTH TIDE TABLES