20 (日)	00:44	05:31	09:37	17:42
	97cm	84cm	90cm	42cm
小潮 出 04:58 入 18:17 出 01:33 入 12:15

日立（茨城）2036年04月20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
4/20 00:00	95.2	↑0.4
4/20 00:10	95.6	↑0.4
4/20 00:20	95.8	↑0.2
4/20 00:30	95.9	↑0.1
4/20 00:40	96.0	↑0.1	満潮
4/20 00:50	96.0	0
4/20 01:00	95.9	↓-0.1
4/20 01:10	95.7	↓-0.2
4/20 01:20	95.5	↓-0.2
4/20 01:30	95.1	↓-0.4
4/20 01:40	94.8	↓-0.3
4/20 01:50	94.3	↓-0.5
4/20 02:00	93.8	↓-0.5
4/20 02:10	93.2	↓-0.6
4/20 02:20	92.6	↓-0.6
4/20 02:30	91.9	↓-0.7
4/20 02:40	91.3	↓-0.6
4/20 02:50	90.6	↓-0.7
4/20 03:00	89.8	↓-0.8
4/20 03:10	89.1	↓-0.7
4/20 03:20	88.4	↓-0.7
4/20 03:30	87.8	↓-0.6
4/20 03:40	87.1	↓-0.7
4/20 03:50	86.5	↓-0.6
4/20 04:00	85.9	↓-0.6
4/20 04:10	85.4	↓-0.5
4/20 04:20	85.0	↓-0.4
4/20 04:30	84.6	↓-0.4
4/20 04:40	84.2	↓-0.4
4/20 04:50	84.0	↓-0.2
4/20 05:00	83.7	↓-0.3
4/20 05:10	83.6	↓-0.1
4/20 05:20	83.5	↓-0.1
4/20 05:30	83.5	0	干潮
4/20 05:40	83.5	0
4/20 05:50	83.6	↑0.1
4/20 06:00	83.7	↑0.1
4/20 06:10	83.9	↑0.2
4/20 06:20	84.1	↑0.2
4/20 06:30	84.4	↑0.3
4/20 06:40	84.7	↑0.3
4/20 06:50	85.0	↑0.3
4/20 07:00	85.3	↑0.3
4/20 07:10	85.7	↑0.4
4/20 07:20	86.0	↑0.3
4/20 07:30	86.4	↑0.4
4/20 07:40	86.8	↑0.4
4/20 07:50	87.2	↑0.4
4/20 08:00	87.6	↑0.4
4/20 08:10	88.0	↑0.4
4/20 08:20	88.3	↑0.3
4/20 08:30	88.7	↑0.4
4/20 08:40	89.0	↑0.3
4/20 08:50	89.3	↑0.3
4/20 09:00	89.5	↑0.2
4/20 09:10	89.7	↑0.2
4/20 09:20	89.9	↑0.2
4/20 09:30	89.9	0	満潮
4/20 09:40	89.9	0
4/20 09:50	89.9	0
4/20 10:00	89.7	↓-0.2
4/20 10:10	89.5	↓-0.2
4/20 10:20	89.2	↓-0.3
4/20 10:30	88.8	↓-0.4
4/20 10:40	88.3	↓-0.5
4/20 10:50	87.8	↓-0.5
4/20 11:00	87.1	↓-0.7
4/20 11:10	86.4	↓-0.7
4/20 11:20	85.6	↓-0.8
4/20 11:30	84.8	↓-0.8
4/20 11:40	83.8	↓-1.0
4/20 11:50	82.8	↓-1.0
4/20 12:00	81.8	↓-1.0
4/20 12:10	80.7	↓-1.1
4/20 12:20	79.5	↓-1.2
4/20 12:30	78.3	↓-1.2
4/20 12:40	77.0	↓-1.3
4/20 12:50	75.7	↓-1.3
4/20 13:00	74.4	↓-1.3
4/20 13:10	73.0	↓-1.4
4/20 13:20	71.5	↓-1.5
4/20 13:30	70.1	↓-1.4
4/20 13:40	68.6	↓-1.5
4/20 13:50	67.0	↓-1.6
4/20 14:00	65.5	↓-1.5
4/20 14:10	63.9	↓-1.6
4/20 14:20	62.3	↓-1.6
4/20 14:30	60.7	↓-1.6
4/20 14:40	59.1	↓-1.6
4/20 14:50	57.6	↓-1.5
4/20 15:00	56.0	↓-1.6
4/20 15:10	54.5	↓-1.5
4/20 15:20	53.0	↓-1.5
4/20 15:30	51.6	↓-1.4
4/20 15:40	50.2	↓-1.4
4/20 15:50	48.9	↓-1.3
4/20 16:00	47.7	↓-1.2
4/20 16:10	46.5	↓-1.2
4/20 16:20	45.5	↓-1.0
4/20 16:30	44.6	↓-0.9
4/20 16:40	43.8	↓-0.8
4/20 16:50	43.1	↓-0.7
4/20 17:00	42.5	↓-0.6
4/20 17:10	42.1	↓-0.4
4/20 17:20	41.8	↓-0.3
4/20 17:30	41.5	↓-0.3
4/20 17:40	41.5	0	干潮
4/20 17:50	41.5	0
4/20 18:00	41.7	↑0.2
4/20 18:10	42.0	↑0.3
4/20 18:20	42.4	↑0.4
4/20 18:30	42.9	↑0.5
4/20 18:40	43.6	↑0.7
4/20 18:50	44.4	↑0.8
4/20 19:00	45.2	↑0.8
4/20 19:10	46.2	↑1.0
4/20 19:20	47.3	↑1.1
4/20 19:30	48.6	↑1.3
4/20 19:40	49.9	↑1.3
4/20 19:50	51.3	↑1.4
4/20 20:00	52.8	↑1.5
4/20 20:10	54.5	↑1.7
4/20 20:20	56.2	↑1.7
4/20 20:30	58.0	↑1.8
4/20 20:40	59.8	↑1.8
4/20 20:50	61.7	↑1.9
4/20 21:00	63.7	↑2.0
4/20 21:10	65.7	↑2.0
4/20 21:20	67.8	↑2.1	最大潮位差
4/20 21:30	69.8	↑2.0
4/20 21:40	71.9	↑2.1	最大潮位差
4/20 21:50	74.0	↑2.1	最大潮位差
4/20 22:00	76.0	↑2.0
4/20 22:10	78.0	↑2.0
4/20 22:20	80.0	↑2.0
4/20 22:30	81.9	↑1.9
4/20 22:40	83.8	↑1.9
4/20 22:50	85.6	↑1.8
4/20 23:00	87.3	↑1.7
4/20 23:10	89.0	↑1.7
4/20 23:20	90.5	↑1.5
4/20 23:30	92.0	↑1.5
4/20 23:40	93.4	↑1.4
4/20 23:50	94.7	↑1.3