18 (日)	11:32	05:54	23:22	16:34
	86cm	56cm	118cm	67cm
長潮 出 04:21 入 18:59 出 13:23 入 00:16

那珂湊（茨城）2051年06月18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
6/18 00:00	109.9	↓-1.3
6/18 00:10	108.5	↓-1.4
6/18 00:20	106.9	↓-1.6
6/18 00:30	105.2	↓-1.7
6/18 00:40	103.4	↓-1.8
6/18 00:50	101.5	↓-1.9
6/18 01:00	99.5	↓-2.0
6/18 01:10	97.4	↓-2.1
6/18 01:20	95.3	↓-2.1
6/18 01:30	93.2	↓-2.1
6/18 01:40	91.0	↓-2.2	最大潮位差
6/18 01:50	88.8	↓-2.2	最大潮位差
6/18 02:00	86.6	↓-2.2	最大潮位差
6/18 02:10	84.4	↓-2.2	最大潮位差
6/18 02:20	82.3	↓-2.1
6/18 02:30	80.1	↓-2.2	最大潮位差
6/18 02:40	78.0	↓-2.1
6/18 02:50	76.0	↓-2.0
6/18 03:00	74.0	↓-2.0
6/18 03:10	72.0	↓-2.0
6/18 03:20	70.2	↓-1.8
6/18 03:30	68.4	↓-1.8
6/18 03:40	66.7	↓-1.7
6/18 03:50	65.1	↓-1.6
6/18 04:00	63.6	↓-1.5
6/18 04:10	62.2	↓-1.4
6/18 04:20	60.9	↓-1.3
6/18 04:30	59.8	↓-1.1
6/18 04:40	58.8	↓-1.0
6/18 04:50	57.8	↓-1.0
6/18 05:00	57.1	↓-0.7
6/18 05:10	56.4	↓-0.7
6/18 05:20	55.9	↓-0.5
6/18 05:30	55.5	↓-0.4
6/18 05:40	55.3	↓-0.2
6/18 05:50	55.2	↓-0.1	干潮
6/18 06:00	55.2	0
6/18 06:10	55.4	↑0.2
6/18 06:20	55.7	↑0.3
6/18 06:30	56.1	↑0.4
6/18 06:40	56.6	↑0.5
6/18 06:50	57.3	↑0.7
6/18 07:00	58.1	↑0.8
6/18 07:10	59.0	↑0.9
6/18 07:20	60.0	↑1.0
6/18 07:30	61.1	↑1.1
6/18 07:40	62.2	↑1.1
6/18 07:50	63.5	↑1.3
6/18 08:00	64.7	↑1.2
6/18 08:10	66.1	↑1.4
6/18 08:20	67.5	↑1.4
6/18 08:30	68.9	↑1.4
6/18 08:40	70.3	↑1.4
6/18 08:50	71.7	↑1.4
6/18 09:00	73.1	↑1.4
6/18 09:10	74.5	↑1.4
6/18 09:20	75.8	↑1.3
6/18 09:30	77.1	↑1.3
6/18 09:40	78.3	↑1.2
6/18 09:50	79.5	↑1.2
6/18 10:00	80.5	↑1.0
6/18 10:10	81.5	↑1.0
6/18 10:20	82.4	↑0.9
6/18 10:30	83.2	↑0.8
6/18 10:40	83.8	↑0.6
6/18 10:50	84.4	↑0.6
6/18 11:00	84.8	↑0.4
6/18 11:10	85.1	↑0.3
6/18 11:20	85.3	↑0.2
6/18 11:30	85.4	↑0.1	満潮
6/18 11:40	85.3	↓-0.1
6/18 11:50	85.2	↓-0.1
6/18 12:00	84.9	↓-0.3
6/18 12:10	84.5	↓-0.4
6/18 12:20	84.0	↓-0.5
6/18 12:30	83.5	↓-0.5
6/18 12:40	82.8	↓-0.7
6/18 12:50	82.1	↓-0.7
6/18 13:00	81.3	↓-0.8
6/18 13:10	80.5	↓-0.8
6/18 13:20	79.6	↓-0.9
6/18 13:30	78.6	↓-1.0
6/18 13:40	77.7	↓-0.9
6/18 13:50	76.7	↓-1.0
6/18 14:00	75.7	↓-1.0
6/18 14:10	74.8	↓-0.9
6/18 14:20	73.8	↓-1.0
6/18 14:30	72.9	↓-0.9
6/18 14:40	72.0	↓-0.9
6/18 14:50	71.1	↓-0.9
6/18 15:00	70.3	↓-0.8
6/18 15:10	69.5	↓-0.8
6/18 15:20	68.8	↓-0.7
6/18 15:30	68.2	↓-0.6
6/18 15:40	67.6	↓-0.6
6/18 15:50	67.1	↓-0.5
6/18 16:00	66.7	↓-0.4
6/18 16:10	66.5	↓-0.2
6/18 16:20	66.3	↓-0.2
6/18 16:30	66.2	↓-0.1	干潮
6/18 16:40	66.2	0
6/18 16:50	66.3	↑0.1
6/18 17:00	66.6	↑0.3
6/18 17:10	66.9	↑0.3
6/18 17:20	67.4	↑0.5
6/18 17:30	68.0	↑0.6
6/18 17:40	68.7	↑0.7
6/18 17:50	69.5	↑0.8
6/18 18:00	70.5	↑1.0
6/18 18:10	71.5	↑1.0
6/18 18:20	72.7	↑1.2
6/18 18:30	74.0	↑1.3
6/18 18:40	75.4	↑1.4
6/18 18:50	76.9	↑1.5
6/18 19:00	78.5	↑1.6
6/18 19:10	80.2	↑1.7
6/18 19:20	81.9	↑1.7
6/18 19:30	83.8	↑1.9
6/18 19:40	85.7	↑1.9
6/18 19:50	87.6	↑1.9
6/18 20:00	89.6	↑2.0
6/18 20:10	91.6	↑2.0
6/18 20:20	93.7	↑2.1
6/18 20:30	95.7	↑2.0
6/18 20:40	97.7	↑2.0
6/18 20:50	99.7	↑2.0
6/18 21:00	101.7	↑2.0
6/18 21:10	103.6	↑1.9
6/18 21:20	105.4	↑1.8
6/18 21:30	107.2	↑1.8
6/18 21:40	108.8	↑1.6
6/18 21:50	110.4	↑1.6
6/18 22:00	111.8	↑1.4
6/18 22:10	113.1	↑1.3
6/18 22:20	114.2	↑1.1
6/18 22:30	115.2	↑1.0
6/18 22:40	116.0	↑0.8
6/18 22:50	116.7	↑0.7
6/18 23:00	117.2	↑0.5
6/18 23:10	117.5	↑0.3
6/18 23:20	117.6	↑0.1	満潮
6/18 23:30	117.5	↓-0.1
6/18 23:40	117.2	↓-0.3
6/18 23:50	116.8	↓-0.4