09 (水)	02:14	08:29	14:43	20:50
	131cm	56cm	135cm	51cm
中潮 出 05:40 入 17:12 出 15:43 入 03:14

日立（茨城）2030年10月09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
10/9 00:00	111.8	↑2.6
10/9 00:10	114.2	↑2.4
10/9 00:20	116.6	↑2.4
10/9 00:30	118.8	↑2.2
10/9 00:40	120.8	↑2.0
10/9 00:50	122.7	↑1.9
10/9 01:00	124.4	↑1.7
10/9 01:10	125.9	↑1.5
10/9 01:20	127.2	↑1.3
10/9 01:30	128.3	↑1.1
10/9 01:40	129.2	↑0.9
10/9 01:50	129.9	↑0.7
10/9 02:00	130.3	↑0.4
10/9 02:10	130.5	↑0.2	満潮
10/9 02:20	130.5	0
10/9 02:30	130.2	↓-0.3
10/9 02:40	129.6	↓-0.6
10/9 02:50	128.8	↓-0.8
10/9 03:00	127.8	↓-1.0
10/9 03:10	126.5	↓-1.3
10/9 03:20	124.9	↓-1.6
10/9 03:30	123.1	↓-1.8
10/9 03:40	121.1	↓-2.0
10/9 03:50	118.9	↓-2.2
10/9 04:00	116.5	↓-2.4
10/9 04:10	113.9	↓-2.6
10/9 04:20	111.1	↓-2.8
10/9 04:30	108.2	↓-2.9
10/9 04:40	105.3	↓-2.9
10/9 04:50	102.2	↓-3.1
10/9 05:00	99.1	↓-3.1
10/9 05:10	95.9	↓-3.2
10/9 05:20	92.7	↓-3.2
10/9 05:30	89.6	↓-3.1
10/9 05:40	86.4	↓-3.2
10/9 05:50	83.4	↓-3.0
10/9 06:00	80.4	↓-3.0
10/9 06:10	77.5	↓-2.9
10/9 06:20	74.8	↓-2.7
10/9 06:30	72.2	↓-2.6
10/9 06:40	69.7	↓-2.5
10/9 06:50	67.4	↓-2.3
10/9 07:00	65.3	↓-2.1
10/9 07:10	63.3	↓-2.0
10/9 07:20	61.6	↓-1.7
10/9 07:30	60.1	↓-1.5
10/9 07:40	58.8	↓-1.3
10/9 07:50	57.7	↓-1.1
10/9 08:00	56.9	↓-0.8
10/9 08:10	56.3	↓-0.6
10/9 08:20	56.0	↓-0.3	干潮
10/9 08:30	56.0	0
10/9 08:40	56.1	↑0.1
10/9 08:50	56.6	↑0.5
10/9 09:00	57.3	↑0.7
10/9 09:10	58.3	↑1.0
10/9 09:20	59.6	↑1.3
10/9 09:30	61.1	↑1.5
10/9 09:40	62.9	↑1.8
10/9 09:50	64.9	↑2.0
10/9 10:00	67.1	↑2.2
10/9 10:10	69.6	↑2.5
10/9 10:20	72.2	↑2.6
10/9 10:30	75.0	↑2.8
10/9 10:40	77.9	↑2.9
10/9 10:50	81.0	↑3.1
10/9 11:00	84.2	↑3.2
10/9 11:10	87.4	↑3.2
10/9 11:20	90.7	↑3.3
10/9 11:30	94.0	↑3.3
10/9 11:40	97.3	↑3.3
10/9 11:50	100.6	↑3.3
10/9 12:00	103.9	↑3.3
10/9 12:10	107.0	↑3.1
10/9 12:20	110.1	↑3.1
10/9 12:30	113.1	↑3.0
10/9 12:40	115.9	↑2.8
10/9 12:50	118.6	↑2.7
10/9 13:00	121.2	↑2.6
10/9 13:10	123.5	↑2.3
10/9 13:20	125.7	↑2.2
10/9 13:30	127.7	↑2.0
10/9 13:40	129.4	↑1.7
10/9 13:50	131.0	↑1.6
10/9 14:00	132.2	↑1.2
10/9 14:10	133.3	↑1.1
10/9 14:20	134.0	↑0.7
10/9 14:30	134.5	↑0.5
10/9 14:40	134.7	↑0.2	満潮
10/9 14:50	134.6	↓-0.1
10/9 15:00	134.2	↓-0.4
10/9 15:10	133.5	↓-0.7
10/9 15:20	132.5	↓-1.0
10/9 15:30	131.2	↓-1.3
10/9 15:40	129.7	↓-1.5
10/9 15:50	127.8	↓-1.9
10/9 16:00	125.7	↓-2.1
10/9 16:10	123.3	↓-2.4
10/9 16:20	120.7	↓-2.6
10/9 16:30	117.9	↓-2.8
10/9 16:40	114.9	↓-3.0
10/9 16:50	111.7	↓-3.2
10/9 17:00	108.3	↓-3.4
10/9 17:10	104.9	↓-3.4
10/9 17:20	101.3	↓-3.6
10/9 17:30	97.7	↓-3.6
10/9 17:40	94.1	↓-3.6
10/9 17:50	90.5	↓-3.6
10/9 18:00	86.9	↓-3.6
10/9 18:10	83.4	↓-3.5
10/9 18:20	80.0	↓-3.4
10/9 18:30	76.6	↓-3.4
10/9 18:40	73.4	↓-3.2
10/9 18:50	70.3	↓-3.1
10/9 19:00	67.4	↓-2.9
10/9 19:10	64.7	↓-2.7
10/9 19:20	62.2	↓-2.5
10/9 19:30	59.9	↓-2.3
10/9 19:40	57.9	↓-2.0
10/9 19:50	56.0	↓-1.9
10/9 20:00	54.5	↓-1.5
10/9 20:10	53.2	↓-1.3
10/9 20:20	52.2	↓-1.0
10/9 20:30	51.5	↓-0.7
10/9 20:40	51.0	↓-0.5	干潮
10/9 20:50	50.9	↓-0.1	干潮
10/9 21:00	51.1	↑0.2
10/9 21:10	51.5	↑0.4
10/9 21:20	52.3	↑0.8
10/9 21:30	53.4	↑1.1
10/9 21:40	54.8	↑1.4
10/9 21:50	56.5	↑1.7
10/9 22:00	58.5	↑2.0
10/9 22:10	60.7	↑2.2
10/9 22:20	63.2	↑2.5
10/9 22:30	66.0	↑2.8
10/9 22:40	68.9	↑2.9
10/9 22:50	72.0	↑3.1
10/9 23:00	75.3	↑3.3
10/9 23:10	78.7	↑3.4
10/9 23:20	82.2	↑3.5
10/9 23:30	85.8	↑3.6
10/9 23:40	89.4	↑3.6
10/9 23:50	93.1	↑3.7	最大潮位差