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 29 Mar4:24 am0.59m11:06 am4.72m4:42 pm0.34m11:36 pm4.88mSun 30 Mar6:04 am0.39m12:46 pm4.83m6:22 pm0.25mMon 31 Mar1:16 am4.93m6:44 am0.32m1:29 pm4.86m7:02 pm0.3mTue 1 Apr1:58 am4.91m7:23 am0.39m2:15 pm4.81m7:42 pm0.48mWed 2 Apr2:44 am4.81m8:04 am0.6m3:06 pm4.68m8:24 pm0.8mThu 3 Apr3:33 am4.61m8:48 am0.92m4:05 pm4.46m9:11 pm1.21mFri 4 Apr4:28 am4.33m9:40 am1.32m5:11 pm4.19m10:13 pm1.67mGet WillyWeather+ to remove ads