29 (日)	05:05	10:50	16:35	23:13
	149cm	66cm	152cm	26cm
中潮 出 05:31 入 17:26 出 07:21 入 18:15

日立（茨城）2030年09月29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
9/29 00:00	45.4	↑2.8
9/29 00:10	48.6	↑3.2
9/29 00:20	52.1	↑3.5
9/29 00:30	55.8	↑3.7
9/29 00:40	59.8	↑4.0
9/29 00:50	64.0	↑4.2
9/29 01:00	68.4	↑4.4
9/29 01:10	73.0	↑4.6
9/29 01:20	77.7	↑4.7
9/29 01:30	82.4	↑4.7
9/29 01:40	87.2	↑4.8
9/29 01:50	92.1	↑4.9
9/29 02:00	96.9	↑4.8
9/29 02:10	101.6	↑4.7
9/29 02:20	106.3	↑4.7
9/29 02:30	110.8	↑4.5
9/29 02:40	115.2	↑4.4
9/29 02:50	119.4	↑4.2
9/29 03:00	123.3	↑3.9
9/29 03:10	127.1	↑3.8
9/29 03:20	130.6	↑3.5
9/29 03:30	133.8	↑3.2
9/29 03:40	136.7	↑2.9
9/29 03:50	139.4	↑2.7
9/29 04:00	141.7	↑2.3
9/29 04:10	143.7	↑2.0
9/29 04:20	145.4	↑1.7
9/29 04:30	146.8	↑1.4
9/29 04:40	147.8	↑1.0
9/29 04:50	148.4	↑0.6
9/29 05:00	148.7	↑0.3	満潮
9/29 05:10	148.7	0
9/29 05:20	148.3	↓-0.4
9/29 05:30	147.6	↓-0.7
9/29 05:40	146.5	↓-1.1
9/29 05:50	145.1	↓-1.4
9/29 06:00	143.4	↓-1.7
9/29 06:10	141.4	↓-2.0
9/29 06:20	139.1	↓-2.3
9/29 06:30	136.5	↓-2.6
9/29 06:40	133.6	↓-2.9
9/29 06:50	130.5	↓-3.1
9/29 07:00	127.3	↓-3.2
9/29 07:10	123.8	↓-3.5
9/29 07:20	120.2	↓-3.6
9/29 07:30	116.5	↓-3.7
9/29 07:40	112.7	↓-3.8
9/29 07:50	108.9	↓-3.8
9/29 08:00	105.0	↓-3.9
9/29 08:10	101.2	↓-3.8
9/29 08:20	97.5	↓-3.7
9/29 08:30	93.8	↓-3.7
9/29 08:40	90.3	↓-3.5
9/29 08:50	86.9	↓-3.4
9/29 09:00	83.7	↓-3.2
9/29 09:10	80.8	↓-2.9
9/29 09:20	78.0	↓-2.8
9/29 09:30	75.5	↓-2.5
9/29 09:40	73.3	↓-2.2
9/29 09:50	71.3	↓-2.0
9/29 10:00	69.6	↓-1.7
9/29 10:10	68.3	↓-1.3
9/29 10:20	67.2	↓-1.1
9/29 10:30	66.4	↓-0.8
9/29 10:40	66.0	↓-0.4	干潮
9/29 10:50	65.9	↓-0.1	干潮
9/29 11:00	66.1	↑0.2
9/29 11:10	66.6	↑0.5
9/29 11:20	67.5	↑0.9
9/29 11:30	68.7	↑1.2
9/29 11:40	70.2	↑1.5
9/29 11:50	72.0	↑1.8
9/29 12:00	74.1	↑2.1
9/29 12:10	76.5	↑2.4
9/29 12:20	79.1	↑2.6
9/29 12:30	82.0	↑2.9
9/29 12:40	85.2	↑3.2
9/29 12:50	88.6	↑3.4
9/29 13:00	92.1	↑3.5
9/29 13:10	95.8	↑3.7
9/29 13:20	99.6	↑3.8
9/29 13:30	103.5	↑3.9
9/29 13:40	107.5	↑4.0
9/29 13:50	111.5	↑4.0
9/29 14:00	115.5	↑4.0
9/29 14:10	119.4	↑3.9
9/29 14:20	123.2	↑3.8
9/29 14:30	126.9	↑3.7
9/29 14:40	130.5	↑3.6
9/29 14:50	133.8	↑3.3
9/29 15:00	136.9	↑3.1
9/29 15:10	139.8	↑2.9
9/29 15:20	142.5	↑2.7
9/29 15:30	144.8	↑2.3
9/29 15:40	146.8	↑2.0
9/29 15:50	148.5	↑1.7
9/29 16:00	149.9	↑1.4
9/29 16:10	150.9	↑1.0
9/29 16:20	151.6	↑0.7
9/29 16:30	151.9	↑0.3	満潮
9/29 16:40	151.8	↓-0.1
9/29 16:50	151.4	↓-0.4
9/29 17:00	150.7	↓-0.7
9/29 17:10	149.5	↓-1.2
9/29 17:20	148.0	↓-1.5
9/29 17:30	146.2	↓-1.8
9/29 17:40	143.9	↓-2.3
9/29 17:50	141.4	↓-2.5
9/29 18:00	138.5	↓-2.9
9/29 18:10	135.3	↓-3.2
9/29 18:20	131.8	↓-3.5
9/29 18:30	128.0	↓-3.8
9/29 18:40	124.0	↓-4.0
9/29 18:50	119.7	↓-4.3
9/29 19:00	115.2	↓-4.5
9/29 19:10	110.5	↓-4.7
9/29 19:20	105.7	↓-4.8
9/29 19:30	100.7	↓-5.0
9/29 19:40	95.7	↓-5.0
9/29 19:50	90.6	↓-5.1
9/29 20:00	85.4	↓-5.2	最大潮位差
9/29 20:10	80.3	↓-5.1
9/29 20:20	75.3	↓-5.0
9/29 20:30	70.3	↓-5.0
9/29 20:40	65.5	↓-4.8
9/29 20:50	60.9	↓-4.6
9/29 21:00	56.4	↓-4.5
9/29 21:10	52.2	↓-4.2
9/29 21:20	48.2	↓-4.0
9/29 21:30	44.5	↓-3.7
9/29 21:40	41.0	↓-3.5
9/29 21:50	37.9	↓-3.1
9/29 22:00	35.1	↓-2.8
9/29 22:10	32.7	↓-2.4
9/29 22:20	30.6	↓-2.1
9/29 22:30	28.8	↓-1.8
9/29 22:40	27.4	↓-1.4
9/29 22:50	26.4	↓-1.0
9/29 23:00	25.8	↓-0.6
9/29 23:10	25.5	↓-0.3	干潮
9/29 23:20	25.6	↑0.1
9/29 23:30	26.1	↑0.5
9/29 23:40	27.0	↑0.9
9/29 23:50	28.3	↑1.3