9 (火)	01:02	06:50	11:54	18:54
	96cm	65cm	91cm	26cm
長潮 出 05:13 入 18:08 出 13:41 入 02:17

那珂湊（茨城）2052年04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
4/9 00:00	92.7	↑1.1
4/9 00:10	93.6	↑0.9
4/9 00:20	94.3	↑0.7
4/9 00:30	94.8	↑0.5
4/9 00:40	95.2	↑0.4
4/9 00:50	95.5	↑0.3
4/9 01:00	95.6	↑0.1	満潮
4/9 01:10	95.5	↓-0.1
4/9 01:20	95.3	↓-0.2
4/9 01:30	94.9	↓-0.4
4/9 01:40	94.5	↓-0.4
4/9 01:50	93.9	↓-0.6
4/9 02:00	93.1	↓-0.8
4/9 02:10	92.3	↓-0.8
4/9 02:20	91.4	↓-0.9
4/9 02:30	90.4	↓-1.0
4/9 02:40	89.3	↓-1.1
4/9 02:50	88.1	↓-1.2
4/9 03:00	86.9	↓-1.2
4/9 03:10	85.6	↓-1.3
4/9 03:20	84.3	↓-1.3
4/9 03:30	83.0	↓-1.3
4/9 03:40	81.6	↓-1.4
4/9 03:50	80.2	↓-1.4
4/9 04:00	78.8	↓-1.4
4/9 04:10	77.4	↓-1.4
4/9 04:20	76.1	↓-1.3
4/9 04:30	74.7	↓-1.4
4/9 04:40	73.4	↓-1.3
4/9 04:50	72.2	↓-1.2
4/9 05:00	71.0	↓-1.2
4/9 05:10	69.9	↓-1.1
4/9 05:20	68.8	↓-1.1
4/9 05:30	67.9	↓-0.9
4/9 05:40	67.0	↓-0.9
4/9 05:50	66.2	↓-0.8
4/9 06:00	65.6	↓-0.6
4/9 06:10	65.0	↓-0.6
4/9 06:20	64.6	↓-0.4
4/9 06:30	64.3	↓-0.3
4/9 06:40	64.1	↓-0.2	干潮
4/9 06:50	64.1	0	干潮
4/9 07:00	64.1	0
4/9 07:10	64.4	↑0.3
4/9 07:20	64.7	↑0.3
4/9 07:30	65.2	↑0.5
4/9 07:40	65.7	↑0.5
4/9 07:50	66.5	↑0.8
4/9 08:00	67.3	↑0.8
4/9 08:10	68.2	↑0.9
4/9 08:20	69.2	↑1.0
4/9 08:30	70.3	↑1.1
4/9 08:40	71.5	↑1.2
4/9 08:50	72.7	↑1.2
4/9 09:00	74.0	↑1.3
4/9 09:10	75.3	↑1.3
4/9 09:20	76.7	↑1.4
4/9 09:30	78.0	↑1.3
4/9 09:40	79.4	↑1.4
4/9 09:50	80.7	↑1.3
4/9 10:00	82.0	↑1.3
4/9 10:10	83.3	↑1.3
4/9 10:20	84.5	↑1.2
4/9 10:30	85.6	↑1.1
4/9 10:40	86.6	↑1.0
4/9 10:50	87.5	↑0.9
4/9 11:00	88.3	↑0.8
4/9 11:10	89.0	↑0.7
4/9 11:20	89.6	↑0.6
4/9 11:30	90.0	↑0.4
4/9 11:40	90.3	↑0.3
4/9 11:50	90.4	↑0.1	満潮
4/9 12:00	90.4	0
4/9 12:10	90.2	↓-0.2
4/9 12:20	89.9	↓-0.3
4/9 12:30	89.4	↓-0.5
4/9 12:40	88.7	↓-0.7
4/9 12:50	87.9	↓-0.8
4/9 13:00	86.9	↓-1.0
4/9 13:10	85.8	↓-1.1
4/9 13:20	84.5	↓-1.3
4/9 13:30	83.1	↓-1.4
4/9 13:40	81.5	↓-1.6
4/9 13:50	79.8	↓-1.7
4/9 14:00	78.0	↓-1.8
4/9 14:10	76.1	↓-1.9
4/9 14:20	74.1	↓-2.0
4/9 14:30	72.0	↓-2.1
4/9 14:40	69.8	↓-2.2
4/9 14:50	67.5	↓-2.3
4/9 15:00	65.2	↓-2.3
4/9 15:10	62.8	↓-2.4
4/9 15:20	60.5	↓-2.3
4/9 15:30	58.0	↓-2.5
4/9 15:40	55.6	↓-2.4
4/9 15:50	53.2	↓-2.4
4/9 16:00	50.8	↓-2.4
4/9 16:10	48.5	↓-2.3
4/9 16:20	46.2	↓-2.3
4/9 16:30	43.9	↓-2.3
4/9 16:40	41.7	↓-2.2
4/9 16:50	39.7	↓-2.0
4/9 17:00	37.7	↓-2.0
4/9 17:10	35.8	↓-1.9
4/9 17:20	34.0	↓-1.8
4/9 17:30	32.4	↓-1.6
4/9 17:40	31.0	↓-1.4
4/9 17:50	29.7	↓-1.3
4/9 18:00	28.5	↓-1.2
4/9 18:10	27.6	↓-0.9
4/9 18:20	26.8	↓-0.8
4/9 18:30	26.2	↓-0.6
4/9 18:40	25.9	↓-0.3
4/9 18:50	25.7	↓-0.2	干潮
4/9 19:00	25.8	↑0.1
4/9 19:10	26.0	↑0.2
4/9 19:20	26.5	↑0.5
4/9 19:30	27.2	↑0.7
4/9 19:40	28.1	↑0.9
4/9 19:50	29.2	↑1.1
4/9 20:00	30.5	↑1.3
4/9 20:10	32.0	↑1.5
4/9 20:20	33.7	↑1.7
4/9 20:30	35.5	↑1.8
4/9 20:40	37.6	↑2.1
4/9 20:50	39.8	↑2.2
4/9 21:00	42.1	↑2.3
4/9 21:10	44.5	↑2.4
4/9 21:20	47.1	↑2.6
4/9 21:30	49.8	↑2.7
4/9 21:40	52.5	↑2.7
4/9 21:50	55.3	↑2.8
4/9 22:00	58.2	↑2.9	最大潮位差
4/9 22:10	61.1	↑2.9	最大潮位差
4/9 22:20	64.0	↑2.9	最大潮位差
4/9 22:30	66.8	↑2.8
4/9 22:40	69.7	↑2.9	最大潮位差
4/9 22:50	72.5	↑2.8
4/9 23:00	75.2	↑2.7
4/9 23:10	77.9	↑2.7
4/9 23:20	80.4	↑2.5
4/9 23:30	82.8	↑2.4
4/9 23:40	85.2	↑2.4
4/9 23:50	87.3	↑2.1