Portsmouth Harbour - HMNB Portsmouth Tide Times and HeightsUnited KingdomSEHampshirePortsmouth Harbour - HMNB Portsmouth1-Day3-Day5-Day Jump to Date Confirm Graph Plots Open in Graphs Tides All Tide PointsHigh TidesLow TidesToday 8 Oct12:20 am4.89m5:56 am0.48m12:50 pm5.01m6:18 pm0.53mThu 9 Oct1:01 am4.95m6:35 am0.49m1:30 pm5.01m6:58 pm0.56mFri 10 Oct1:44 am4.92m7:16 am0.64m2:13 pm4.92m7:39 pm0.72mSat 11 Oct2:32 am4.8m7:57 am0.91m3:01 pm4.75m8:22 pm1.01mSun 12 Oct3:29 am4.59m8:44 am1.31m3:57 pm4.5m9:13 pm1.39mMon 13 Oct4:40 am4.34m9:42 am1.76m5:02 pm4.2m10:29 pm1.77mTue 14 Oct5:56 am4.11m11:28 am2.07m6:16 pm3.94mGet WillyWeather+ to remove ads