9 (金)	03:45	09:57	16:02	22:14
	150cm	43cm	147cm	37cm
大潮 出 05:40 入 17:11 出 05:23 入 17:35

日立（茨城）2037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	83.0	↑4.0
10/9 00:10	87.2	↑4.2
10/9 00:20	91.4	↑4.2
10/9 00:30	95.7	↑4.3
10/9 00:40	100.0	↑4.3
10/9 00:50	104.4	↑4.4
10/9 01:00	108.6	↑4.2
10/9 01:10	112.8	↑4.2
10/9 01:20	116.9	↑4.1
10/9 01:30	120.9	↑4.0
10/9 01:40	124.7	↑3.8
10/9 01:50	128.3	↑3.6
10/9 02:00	131.6	↑3.3
10/9 02:10	134.8	↑3.2
10/9 02:20	137.7	↑2.9
10/9 02:30	140.3	↑2.6
10/9 02:40	142.6	↑2.3
10/9 02:50	144.6	↑2.0
10/9 03:00	146.3	↑1.7
10/9 03:10	147.7	↑1.4
10/9 03:20	148.7	↑1.0
10/9 03:30	149.4	↑0.7
10/9 03:40	149.7	↑0.3	満潮
10/9 03:50	149.7	0
10/9 04:00	149.3	↓-0.4
10/9 04:10	148.5	↓-0.8
10/9 04:20	147.4	↓-1.1
10/9 04:30	145.9	↓-1.5
10/9 04:40	144.1	↓-1.8
10/9 04:50	141.8	↓-2.3
10/9 05:00	139.3	↓-2.5
10/9 05:10	136.4	↓-2.9
10/9 05:20	133.2	↓-3.2
10/9 05:30	129.8	↓-3.4
10/9 05:40	126.0	↓-3.8
10/9 05:50	122.1	↓-3.9
10/9 06:00	117.9	↓-4.2
10/9 06:10	113.6	↓-4.3
10/9 06:20	109.1	↓-4.5
10/9 06:30	104.6	↓-4.5
10/9 06:40	100.0	↓-4.6
10/9 06:50	95.3	↓-4.7	最大潮位差
10/9 07:00	90.7	↓-4.6
10/9 07:10	86.2	↓-4.5
10/9 07:20	81.7	↓-4.5
10/9 07:30	77.3	↓-4.4
10/9 07:40	73.1	↓-4.2
10/9 07:50	69.1	↓-4.0
10/9 08:00	65.3	↓-3.8
10/9 08:10	61.7	↓-3.6
10/9 08:20	58.4	↓-3.3
10/9 08:30	55.3	↓-3.1
10/9 08:40	52.5	↓-2.8
10/9 08:50	50.1	↓-2.4
10/9 09:00	47.9	↓-2.2
10/9 09:10	46.1	↓-1.8
10/9 09:20	44.6	↓-1.5
10/9 09:30	43.5	↓-1.1
10/9 09:40	42.8	↓-0.7
10/9 09:50	42.4	↓-0.4	干潮
10/9 10:00	42.4	0
10/9 10:10	42.7	↑0.3
10/9 10:20	43.4	↑0.7
10/9 10:30	44.5	↑1.1
10/9 10:40	46.0	↑1.5
10/9 10:50	47.9	↑1.9
10/9 11:00	50.0	↑2.1
10/9 11:10	52.6	↑2.6
10/9 11:20	55.4	↑2.8
10/9 11:30	58.6	↑3.2
10/9 11:40	62.0	↑3.4
10/9 11:50	65.7	↑3.7
10/9 12:00	69.6	↑3.9
10/9 12:10	73.7	↑4.1
10/9 12:20	77.9	↑4.2
10/9 12:30	82.3	↑4.4
10/9 12:40	86.8	↑4.5
10/9 12:50	91.3	↑4.5
10/9 13:00	95.8	↑4.5
10/9 13:10	100.4	↑4.6
10/9 13:20	104.8	↑4.4
10/9 13:30	109.2	↑4.4
10/9 13:40	113.4	↑4.2
10/9 13:50	117.4	↑4.0
10/9 14:00	121.3	↑3.9
10/9 14:10	125.0	↑3.7
10/9 14:20	128.4	↑3.4
10/9 14:30	131.6	↑3.2
10/9 14:40	134.5	↑2.9
10/9 14:50	137.1	↑2.6
10/9 15:00	139.4	↑2.3
10/9 15:10	141.4	↑2.0
10/9 15:20	143.0	↑1.6
10/9 15:30	144.3	↑1.3
10/9 15:40	145.2	↑0.9
10/9 15:50	145.8	↑0.6
10/9 16:00	146.0	↑0.2	満潮
10/9 16:10	145.9	↓-0.1
10/9 16:20	145.3	↓-0.6
10/9 16:30	144.4	↓-0.9
10/9 16:40	143.2	↓-1.2
10/9 16:50	141.5	↓-1.7
10/9 17:00	139.5	↓-2.0
10/9 17:10	137.2	↓-2.3
10/9 17:20	134.5	↓-2.7
10/9 17:30	131.5	↓-3.0
10/9 17:40	128.2	↓-3.3
10/9 17:50	124.6	↓-3.6
10/9 18:00	120.7	↓-3.9
10/9 18:10	116.7	↓-4.0
10/9 18:20	112.4	↓-4.3
10/9 18:30	108.0	↓-4.4
10/9 18:40	103.4	↓-4.6
10/9 18:50	98.8	↓-4.6
10/9 19:00	94.1	↓-4.7	最大潮位差
10/9 19:10	89.4	↓-4.7	最大潮位差
10/9 19:20	84.8	↓-4.6
10/9 19:30	80.2	↓-4.6
10/9 19:40	75.7	↓-4.5
10/9 19:50	71.3	↓-4.4
10/9 20:00	67.1	↓-4.2
10/9 20:10	63.1	↓-4.0
10/9 20:20	59.3	↓-3.8
10/9 20:30	55.7	↓-3.6
10/9 20:40	52.4	↓-3.3
10/9 20:50	49.4	↓-3.0
10/9 21:00	46.6	↓-2.8
10/9 21:10	44.2	↓-2.4
10/9 21:20	42.1	↓-2.1
10/9 21:30	40.4	↓-1.7
10/9 21:40	39.0	↓-1.4
10/9 21:50	37.9	↓-1.1
10/9 22:00	37.3	↓-0.6
10/9 22:10	37.0	↓-0.3	干潮
10/9 22:20	37.0	0
10/9 22:30	37.5	↑0.5
10/9 22:40	38.3	↑0.8
10/9 22:50	39.6	↑1.3
10/9 23:00	41.2	↑1.6
10/9 23:10	43.2	↑2.0
10/9 23:20	45.5	↑2.3
10/9 23:30	48.2	↑2.7
10/9 23:40	51.2	↑3.0
10/9 23:50	54.6	↑3.4