19 (火)	10:42	03:33	22:22	17:04
	119cm	59cm	103cm	86cm
小潮 出 06:19 入 16:28 出 - 入 12:20

日立（茨城）2030年11月19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
11/19 00:00	83.5	↓-1.7
11/19 00:10	81.8	↓-1.7
11/19 00:20	80.1	↓-1.7
11/19 00:30	78.4	↓-1.7
11/19 00:40	76.7	↓-1.7
11/19 00:50	75.0	↓-1.7
11/19 01:00	73.4	↓-1.6
11/19 01:10	71.8	↓-1.6
11/19 01:20	70.3	↓-1.5
11/19 01:30	68.8	↓-1.5
11/19 01:40	67.4	↓-1.4
11/19 01:50	66.1	↓-1.3
11/19 02:00	64.8	↓-1.3
11/19 02:10	63.7	↓-1.1
11/19 02:20	62.6	↓-1.1
11/19 02:30	61.7	↓-0.9
11/19 02:40	60.8	↓-0.9
11/19 02:50	60.1	↓-0.7
11/19 03:00	59.6	↓-0.5
11/19 03:10	59.2	↓-0.4
11/19 03:20	58.9	↓-0.3
11/19 03:30	58.8	↓-0.1	干潮
11/19 03:40	58.9	↑0.1
11/19 03:50	59.1	↑0.2
11/19 04:00	59.5	↑0.4
11/19 04:10	60.0	↑0.5
11/19 04:20	60.7	↑0.7
11/19 04:30	61.6	↑0.9
11/19 04:40	62.6	↑1.0
11/19 04:50	63.8	↑1.2
11/19 05:00	65.1	↑1.3
11/19 05:10	66.5	↑1.4
11/19 05:20	68.0	↑1.5
11/19 05:30	69.7	↑1.7
11/19 05:40	71.5	↑1.8
11/19 05:50	73.3	↑1.8
11/19 06:00	75.3	↑2.0
11/19 06:10	77.3	↑2.0
11/19 06:20	79.4	↑2.1
11/19 06:30	81.5	↑2.1
11/19 06:40	83.6	↑2.1
11/19 06:50	85.8	↑2.2	最大潮位差
11/19 07:00	87.9	↑2.1
11/19 07:10	90.1	↑2.2	最大潮位差
11/19 07:20	92.3	↑2.2	最大潮位差
11/19 07:30	94.4	↑2.1
11/19 07:40	96.5	↑2.1
11/19 07:50	98.6	↑2.1
11/19 08:00	100.6	↑2.0
11/19 08:10	102.5	↑1.9
11/19 08:20	104.4	↑1.9
11/19 08:30	106.2	↑1.8
11/19 08:40	107.9	↑1.7
11/19 08:50	109.5	↑1.6
11/19 09:00	110.9	↑1.4
11/19 09:10	112.3	↑1.4
11/19 09:20	113.5	↑1.2
11/19 09:30	114.6	↑1.1
11/19 09:40	115.5	↑0.9
11/19 09:50	116.3	↑0.8
11/19 10:00	117.0	↑0.7
11/19 10:10	117.5	↑0.5
11/19 10:20	117.8	↑0.3
11/19 10:30	118.0	↑0.2
11/19 10:40	118.1	↑0.1	満潮
11/19 10:50	118.1	0
11/19 11:00	117.9	↓-0.2
11/19 11:10	117.6	↓-0.3
11/19 11:20	117.2	↓-0.4
11/19 11:30	116.6	↓-0.6
11/19 11:40	116.0	↓-0.6
11/19 11:50	115.3	↓-0.7
11/19 12:00	114.4	↓-0.9
11/19 12:10	113.5	↓-0.9
11/19 12:20	112.6	↓-0.9
11/19 12:30	111.5	↓-1.1
11/19 12:40	110.4	↓-1.1
11/19 12:50	109.3	↓-1.1
11/19 13:00	108.1	↓-1.2
11/19 13:10	106.8	↓-1.3
11/19 13:20	105.5	↓-1.3
11/19 13:30	104.2	↓-1.3
11/19 13:40	102.9	↓-1.3
11/19 13:50	101.6	↓-1.3
11/19 14:00	100.2	↓-1.4
11/19 14:10	98.9	↓-1.3
11/19 14:20	97.6	↓-1.3
11/19 14:30	96.3	↓-1.3
11/19 14:40	95.0	↓-1.3
11/19 14:50	93.8	↓-1.2
11/19 15:00	92.6	↓-1.2
11/19 15:10	91.5	↓-1.1
11/19 15:20	90.5	↓-1.0
11/19 15:30	89.5	↓-1.0
11/19 15:40	88.7	↓-0.8
11/19 15:50	87.9	↓-0.8
11/19 16:00	87.2	↓-0.7
11/19 16:10	86.6	↓-0.6
11/19 16:20	86.1	↓-0.5
11/19 16:30	85.7	↓-0.4
11/19 16:40	85.4	↓-0.3
11/19 16:50	85.3	↓-0.1
11/19 17:00	85.2	↓-0.1	干潮
11/19 17:10	85.2	0
11/19 17:20	85.3	↑0.1
11/19 17:30	85.5	↑0.2
11/19 17:40	85.8	↑0.3
11/19 17:50	86.2	↑0.4
11/19 18:00	86.6	↑0.4
11/19 18:10	87.1	↑0.5
11/19 18:20	87.6	↑0.5
11/19 18:30	88.2	↑0.6
11/19 18:40	88.9	↑0.7
11/19 18:50	89.6	↑0.7
11/19 19:00	90.3	↑0.7
11/19 19:10	91.1	↑0.8
11/19 19:20	91.9	↑0.8
11/19 19:30	92.7	↑0.8
11/19 19:40	93.5	↑0.8
11/19 19:50	94.4	↑0.9
11/19 20:00	95.2	↑0.8
11/19 20:10	96.0	↑0.8
11/19 20:20	96.9	↑0.9
11/19 20:30	97.7	↑0.8
11/19 20:40	98.4	↑0.7
11/19 20:50	99.1	↑0.7
11/19 21:00	99.8	↑0.7
11/19 21:10	100.5	↑0.7
11/19 21:20	101.0	↑0.5
11/19 21:30	101.5	↑0.5
11/19 21:40	101.9	↑0.4
11/19 21:50	102.3	↑0.4
11/19 22:00	102.5	↑0.2
11/19 22:10	102.7	↑0.2
11/19 22:20	102.7	0	満潮
11/19 22:30	102.7	0
11/19 22:40	102.5	↓-0.2
11/19 22:50	102.3	↓-0.2
11/19 23:00	102.0	↓-0.3
11/19 23:10	101.5	↓-0.5
11/19 23:20	101.0	↓-0.5
11/19 23:30	100.4	↓-0.6
11/19 23:40	99.7	↓-0.7
11/19 23:50	98.9	↓-0.8