11 (土)	13:34	06:17	-	19:27
	121cm	64cm	-	89cm
長潮 出 05:41 入 17:09 出 00:35 入 14:05

日立（茨城）2031年10月11日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
10/11 00:00	108.4	↓-0.4
10/11 00:10	107.9	↓-0.5
10/11 00:20	107.3	↓-0.6
10/11 00:30	106.6	↓-0.7
10/11 00:40	105.8	↓-0.8
10/11 00:50	104.9	↓-0.9
10/11 01:00	104.0	↓-0.9
10/11 01:10	103.0	↓-1.0
10/11 01:20	101.8	↓-1.2
10/11 01:30	100.6	↓-1.2
10/11 01:40	99.3	↓-1.3
10/11 01:50	97.9	↓-1.4
10/11 02:00	96.5	↓-1.4
10/11 02:10	94.9	↓-1.6
10/11 02:20	93.3	↓-1.6
10/11 02:30	91.6	↓-1.7
10/11 02:40	89.9	↓-1.7
10/11 02:50	88.1	↓-1.8
10/11 03:00	86.4	↓-1.7
10/11 03:10	84.5	↓-1.9
10/11 03:20	82.7	↓-1.8
10/11 03:30	80.9	↓-1.8
10/11 03:40	79.2	↓-1.7
10/11 03:50	77.4	↓-1.8
10/11 04:00	75.7	↓-1.7
10/11 04:10	74.1	↓-1.6
10/11 04:20	72.6	↓-1.5
10/11 04:30	71.2	↓-1.4
10/11 04:40	69.8	↓-1.4
10/11 04:50	68.6	↓-1.2
10/11 05:00	67.5	↓-1.1
10/11 05:10	66.5	↓-1.0
10/11 05:20	65.6	↓-0.9
10/11 05:30	64.9	↓-0.7
10/11 05:40	64.3	↓-0.6
10/11 05:50	63.9	↓-0.4
10/11 06:00	63.6	↓-0.3
10/11 06:10	63.4	↓-0.2	干潮
10/11 06:20	63.4	0
10/11 06:30	63.5	↑0.1
10/11 06:40	63.8	↑0.3
10/11 06:50	64.2	↑0.4
10/11 07:00	64.8	↑0.6
10/11 07:10	65.5	↑0.7
10/11 07:20	66.4	↑0.9
10/11 07:30	67.4	↑1.0
10/11 07:40	68.5	↑1.1
10/11 07:50	69.7	↑1.2
10/11 08:00	71.1	↑1.4
10/11 08:10	72.6	↑1.5
10/11 08:20	74.2	↑1.6
10/11 08:30	76.0	↑1.8
10/11 08:40	77.8	↑1.8
10/11 08:50	79.7	↑1.9
10/11 09:00	81.6	↑1.9
10/11 09:10	83.7	↑2.1
10/11 09:20	85.7	↑2.0
10/11 09:30	87.8	↑2.1
10/11 09:40	90.0	↑2.2	最大潮位差
10/11 09:50	92.1	↑2.1
10/11 10:00	94.2	↑2.1
10/11 10:10	96.3	↑2.1
10/11 10:20	98.3	↑2.0
10/11 10:30	100.4	↑2.1
10/11 10:40	102.3	↑1.9
10/11 10:50	104.2	↑1.9
10/11 11:00	106.0	↑1.8
10/11 11:10	107.7	↑1.7
10/11 11:20	109.3	↑1.6
10/11 11:30	110.9	↑1.6
10/11 11:40	112.3	↑1.4
10/11 11:50	113.6	↑1.3
10/11 12:00	114.9	↑1.3
10/11 12:10	116.0	↑1.1
10/11 12:20	117.0	↑1.0
10/11 12:30	117.9	↑0.9
10/11 12:40	118.6	↑0.7
10/11 12:50	119.3	↑0.7
10/11 13:00	119.8	↑0.5
10/11 13:10	120.1	↑0.3
10/11 13:20	120.4	↑0.3
10/11 13:30	120.5	↑0.1	満潮
10/11 13:40	120.5	0
10/11 13:50	120.3	↓-0.2
10/11 14:00	120.0	↓-0.3
10/11 14:10	119.6	↓-0.4
10/11 14:20	119.0	↓-0.6
10/11 14:30	118.3	↓-0.7
10/11 14:40	117.5	↓-0.8
10/11 14:50	116.6	↓-0.9
10/11 15:00	115.5	↓-1.1
10/11 15:10	114.4	↓-1.1
10/11 15:20	113.2	↓-1.2
10/11 15:30	111.9	↓-1.3
10/11 15:40	110.6	↓-1.3
10/11 15:50	109.2	↓-1.4
10/11 16:00	107.8	↓-1.4
10/11 16:10	106.4	↓-1.4
10/11 16:20	104.9	↓-1.5
10/11 16:30	103.5	↓-1.4
10/11 16:40	102.1	↓-1.4
10/11 16:50	100.7	↓-1.4
10/11 17:00	99.4	↓-1.3
10/11 17:10	98.1	↓-1.3
10/11 17:20	96.9	↓-1.2
10/11 17:30	95.8	↓-1.1
10/11 17:40	94.7	↓-1.1
10/11 17:50	93.7	↓-1.0
10/11 18:00	92.8	↓-0.9
10/11 18:10	92.0	↓-0.8
10/11 18:20	91.3	↓-0.7
10/11 18:30	90.7	↓-0.6
10/11 18:40	90.1	↓-0.6
10/11 18:50	89.7	↓-0.4
10/11 19:00	89.3	↓-0.4
10/11 19:10	89.1	↓-0.2
10/11 19:20	89.0	↓-0.1	干潮
10/11 19:30	89.0	0
10/11 19:40	89.1	↑0.1
10/11 19:50	89.3	↑0.2
10/11 20:00	89.6	↑0.3
10/11 20:10	90.1	↑0.5
10/11 20:20	90.7	↑0.6
10/11 20:30	91.3	↑0.6
10/11 20:40	92.1	↑0.8
10/11 20:50	93.0	↑0.9
10/11 21:00	93.9	↑0.9
10/11 21:10	95.0	↑1.1
10/11 21:20	96.1	↑1.1
10/11 21:30	97.3	↑1.2
10/11 21:40	98.5	↑1.2
10/11 21:50	99.8	↑1.3
10/11 22:00	101.1	↑1.3
10/11 22:10	102.4	↑1.3
10/11 22:20	103.6	↑1.2
10/11 22:30	104.9	↑1.3
10/11 22:40	106.2	↑1.3
10/11 22:50	107.4	↑1.2
10/11 23:00	108.5	↑1.1
10/11 23:10	109.6	↑1.1
10/11 23:20	110.6	↑1.0
10/11 23:30	111.6	↑1.0
10/11 23:40	112.4	↑0.8
10/11 23:50	113.2	↑0.8