9 (火)	04:55	10:31	16:10	22:57
	150cm	71cm	154cm	15cm
大潮 出 05:40 入 17:11 出 07:11 入 17:48

日立（茨城）2029年10月9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	42.4	↑3.7
10/9 00:10	46.3	↑3.9
10/9 00:20	50.5	↑4.2
10/9 00:30	55.0	↑4.5
10/9 00:40	59.7	↑4.7
10/9 00:50	64.5	↑4.8
10/9 01:00	69.5	↑5.0
10/9 01:10	74.6	↑5.1
10/9 01:20	79.7	↑5.1
10/9 01:30	84.9	↑5.2
10/9 01:40	90.0	↑5.1
10/9 01:50	95.1	↑5.1
10/9 02:00	100.2	↑5.1
10/9 02:10	105.1	↑4.9
10/9 02:20	109.9	↑4.8
10/9 02:30	114.5	↑4.6
10/9 02:40	118.9	↑4.4
10/9 02:50	123.0	↑4.1
10/9 03:00	127.0	↑4.0
10/9 03:10	130.6	↑3.6
10/9 03:20	134.0	↑3.4
10/9 03:30	137.1	↑3.1
10/9 03:40	139.8	↑2.7
10/9 03:50	142.3	↑2.5
10/9 04:00	144.4	↑2.1
10/9 04:10	146.1	↑1.7
10/9 04:20	147.5	↑1.4
10/9 04:30	148.6	↑1.1
10/9 04:40	149.3	↑0.7
10/9 04:50	149.6	↑0.3	満潮
10/9 05:00	149.6	0
10/9 05:10	149.2	↓-0.4
10/9 05:20	148.5	↓-0.7
10/9 05:30	147.4	↓-1.1
10/9 05:40	145.9	↓-1.5
10/9 05:50	144.2	↓-1.7
10/9 06:00	142.1	↓-2.1
10/9 06:10	139.7	↓-2.4
10/9 06:20	137.1	↓-2.6
10/9 06:30	134.2	↓-2.9
10/9 06:40	131.1	↓-3.1
10/9 06:50	127.8	↓-3.3
10/9 07:00	124.3	↓-3.5
10/9 07:10	120.7	↓-3.6
10/9 07:20	117.0	↓-3.7
10/9 07:30	113.3	↓-3.7
10/9 07:40	109.5	↓-3.8
10/9 07:50	105.8	↓-3.7
10/9 08:00	102.1	↓-3.7
10/9 08:10	98.5	↓-3.6
10/9 08:20	95.0	↓-3.5
10/9 08:30	91.7	↓-3.3
10/9 08:40	88.5	↓-3.2
10/9 08:50	85.6	↓-2.9
10/9 09:00	82.8	↓-2.8
10/9 09:10	80.3	↓-2.5
10/9 09:20	78.0	↓-2.3
10/9 09:30	76.1	↓-1.9
10/9 09:40	74.3	↓-1.8
10/9 09:50	72.9	↓-1.4
10/9 10:00	71.8	↓-1.1
10/9 10:10	71.0	↓-0.8
10/9 10:20	70.5	↓-0.5
10/9 10:30	70.4	↓-0.1	干潮
10/9 10:40	70.5	↑0.1
10/9 10:50	71.0	↑0.5
10/9 11:00	71.8	↑0.8
10/9 11:10	72.9	↑1.1
10/9 11:20	74.4	↑1.5
10/9 11:30	76.1	↑1.7
10/9 11:40	78.2	↑2.1
10/9 11:50	80.5	↑2.3
10/9 12:00	83.1	↑2.6
10/9 12:10	86.0	↑2.9
10/9 12:20	89.1	↑3.1
10/9 12:30	92.4	↑3.3
10/9 12:40	95.9	↑3.5
10/9 12:50	99.5	↑3.6
10/9 13:00	103.3	↑3.8
10/9 13:10	107.1	↑3.8
10/9 13:20	111.0	↑3.9
10/9 13:30	114.9	↑3.9
10/9 13:40	118.8	↑3.9
10/9 13:50	122.6	↑3.8
10/9 14:00	126.4	↑3.8
10/9 14:10	130.0	↑3.6
10/9 14:20	133.4	↑3.4
10/9 14:30	136.6	↑3.2
10/9 14:40	139.7	↑3.1
10/9 14:50	142.4	↑2.7
10/9 15:00	144.9	↑2.5
10/9 15:10	147.1	↑2.2
10/9 15:20	149.0	↑1.9
10/9 15:30	150.6	↑1.6
10/9 15:40	151.8	↑1.2
10/9 15:50	152.7	↑0.9
10/9 16:00	153.2	↑0.5	満潮
10/9 16:10	153.3	↑0.1	満潮
10/9 16:20	153.1	↓-0.2
10/9 16:30	152.5	↓-0.6
10/9 16:40	151.5	↓-1.0
10/9 16:50	150.2	↓-1.3
10/9 17:00	148.4	↓-1.8
10/9 17:10	146.4	↓-2.0
10/9 17:20	143.9	↓-2.5
10/9 17:30	141.1	↓-2.8
10/9 17:40	138.0	↓-3.1
10/9 17:50	134.5	↓-3.5
10/9 18:00	130.7	↓-3.8
10/9 18:10	126.6	↓-4.1
10/9 18:20	122.2	↓-4.4
10/9 18:30	117.6	↓-4.6
10/9 18:40	112.7	↓-4.9
10/9 18:50	107.7	↓-5.0
10/9 19:00	102.5	↓-5.2
10/9 19:10	97.2	↓-5.3
10/9 19:20	91.7	↓-5.5	最大潮位差
10/9 19:30	86.2	↓-5.5	最大潮位差
10/9 19:40	80.7	↓-5.5	最大潮位差
10/9 19:50	75.2	↓-5.5	最大潮位差
10/9 20:00	69.8	↓-5.4
10/9 20:10	64.5	↓-5.3
10/9 20:20	59.3	↓-5.2
10/9 20:30	54.2	↓-5.1
10/9 20:40	49.4	↓-4.8
10/9 20:50	44.8	↓-4.6
10/9 21:00	40.4	↓-4.4
10/9 21:10	36.3	↓-4.1
10/9 21:20	32.6	↓-3.7
10/9 21:30	29.1	↓-3.5
10/9 21:40	26.0	↓-3.1
10/9 21:50	23.2	↓-2.8
10/9 22:00	20.8	↓-2.4
10/9 22:10	18.8	↓-2.0
10/9 22:20	17.1	↓-1.7
10/9 22:30	15.9	↓-1.2
10/9 22:40	15.0	↓-0.9
10/9 22:50	14.6	↓-0.4	干潮
10/9 23:00	14.5	↓-0.1
10/9 23:10	14.8	↑0.3
10/9 23:20	15.6	↑0.8
10/9 23:30	16.8	↑1.2
10/9 23:40	18.3	↑1.5
10/9 23:50	20.3	↑2.0