18 (金)	09:50	05:15	23:10	15:54
	87cm	72cm	116cm	53cm
小潮 出 04:21 入 18:59 出 00:16 入 12:21

那珂湊（茨城）2055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	107.3	↓-1.2
6/18 00:10	105.9	↓-1.4
6/18 00:20	104.5	↓-1.4
6/18 00:30	103.0	↓-1.5
6/18 00:40	101.5	↓-1.5
6/18 00:50	99.9	↓-1.6
6/18 01:00	98.3	↓-1.6
6/18 01:10	96.6	↓-1.7
6/18 01:20	95.0	↓-1.6
6/18 01:30	93.3	↓-1.7
6/18 01:40	91.7	↓-1.6
6/18 01:50	90.0	↓-1.7
6/18 02:00	88.5	↓-1.5
6/18 02:10	86.9	↓-1.6
6/18 02:20	85.4	↓-1.5
6/18 02:30	84.0	↓-1.4
6/18 02:40	82.6	↓-1.4
6/18 02:50	81.3	↓-1.3
6/18 03:00	80.0	↓-1.3
6/18 03:10	78.8	↓-1.2
6/18 03:20	77.7	↓-1.1
6/18 03:30	76.7	↓-1.0
6/18 03:40	75.8	↓-0.9
6/18 03:50	75.0	↓-0.8
6/18 04:00	74.2	↓-0.8
6/18 04:10	73.6	↓-0.6
6/18 04:20	73.0	↓-0.6
6/18 04:30	72.5	↓-0.5
6/18 04:40	72.2	↓-0.3
6/18 04:50	71.9	↓-0.3
6/18 05:00	71.7	↓-0.2
6/18 05:10	71.6	↓-0.1	干潮
6/18 05:20	71.7	↑0.1
6/18 05:30	71.8	↑0.1
6/18 05:40	72.0	↑0.2
6/18 05:50	72.2	↑0.2
6/18 06:00	72.6	↑0.4
6/18 06:10	73.0	↑0.4
6/18 06:20	73.6	↑0.6
6/18 06:30	74.1	↑0.5
6/18 06:40	74.8	↑0.7
6/18 06:50	75.5	↑0.7
6/18 07:00	76.2	↑0.7
6/18 07:10	77.0	↑0.8
6/18 07:20	77.8	↑0.8
6/18 07:30	78.6	↑0.8
6/18 07:40	79.5	↑0.9
6/18 07:50	80.3	↑0.8
6/18 08:00	81.2	↑0.9
6/18 08:10	82.0	↑0.8
6/18 08:20	82.7	↑0.7
6/18 08:30	83.5	↑0.8
6/18 08:40	84.1	↑0.6
6/18 08:50	84.7	↑0.6
6/18 09:00	85.3	↑0.6
6/18 09:10	85.7	↑0.4
6/18 09:20	86.1	↑0.4
6/18 09:30	86.3	↑0.2
6/18 09:40	86.5	↑0.2	満潮
6/18 09:50	86.5	0	満潮
6/18 10:00	86.5	0
6/18 10:10	86.3	↓-0.2
6/18 10:20	86.0	↓-0.3
6/18 10:30	85.5	↓-0.5
6/18 10:40	85.0	↓-0.5
6/18 10:50	84.3	↓-0.7
6/18 11:00	83.5	↓-0.8
6/18 11:10	82.7	↓-0.8
6/18 11:20	81.7	↓-1.0
6/18 11:30	80.6	↓-1.1
6/18 11:40	79.4	↓-1.2
6/18 11:50	78.2	↓-1.2
6/18 12:00	76.9	↓-1.3
6/18 12:10	75.5	↓-1.4
6/18 12:20	74.1	↓-1.4
6/18 12:30	72.6	↓-1.5
6/18 12:40	71.2	↓-1.4
6/18 12:50	69.7	↓-1.5
6/18 13:00	68.2	↓-1.5
6/18 13:10	66.7	↓-1.5
6/18 13:20	65.3	↓-1.4
6/18 13:30	63.9	↓-1.4
6/18 13:40	62.5	↓-1.4
6/18 13:50	61.2	↓-1.3
6/18 14:00	59.9	↓-1.3
6/18 14:10	58.7	↓-1.2
6/18 14:20	57.6	↓-1.1
6/18 14:30	56.6	↓-1.0
6/18 14:40	55.7	↓-0.9
6/18 14:50	54.9	↓-0.8
6/18 15:00	54.2	↓-0.7
6/18 15:10	53.6	↓-0.6
6/18 15:20	53.1	↓-0.5
6/18 15:30	52.7	↓-0.4
6/18 15:40	52.5	↓-0.2
6/18 15:50	52.4	↓-0.1	干潮
6/18 16:00	52.4	0
6/18 16:10	52.6	↑0.2
6/18 16:20	52.9	↑0.3
6/18 16:30	53.3	↑0.4
6/18 16:40	53.9	↑0.6
6/18 16:50	54.6	↑0.7
6/18 17:00	55.4	↑0.8
6/18 17:10	56.4	↑1.0
6/18 17:20	57.4	↑1.0
6/18 17:30	58.7	↑1.3
6/18 17:40	60.0	↑1.3
6/18 17:50	61.4	↑1.4
6/18 18:00	63.0	↑1.6
6/18 18:10	64.7	↑1.7
6/18 18:20	66.5	↑1.8
6/18 18:30	68.4	↑1.9
6/18 18:40	70.3	↑1.9
6/18 18:50	72.4	↑2.1
6/18 19:00	74.5	↑2.1
6/18 19:10	76.7	↑2.2
6/18 19:20	79.0	↑2.3
6/18 19:30	81.2	↑2.2
6/18 19:40	83.5	↑2.3
6/18 19:50	85.9	↑2.4	最大潮位差
6/18 20:00	88.2	↑2.3
6/18 20:10	90.5	↑2.3
6/18 20:20	92.8	↑2.3
6/18 20:30	95.0	↑2.2
6/18 20:40	97.2	↑2.2
6/18 20:50	99.3	↑2.1
6/18 21:00	101.4	↑2.1
6/18 21:10	103.3	↑1.9
6/18 21:20	105.2	↑1.9
6/18 21:30	106.9	↑1.7
6/18 21:40	108.5	↑1.6
6/18 21:50	109.9	↑1.4
6/18 22:00	111.2	↑1.3
6/18 22:10	112.3	↑1.1
6/18 22:20	113.3	↑1.0
6/18 22:30	114.1	↑0.8
6/18 22:40	114.7	↑0.6
6/18 22:50	115.1	↑0.4
6/18 23:00	115.4	↑0.3	満潮
6/18 23:10	115.4	0	満潮
6/18 23:20	115.3	↓-0.1
6/18 23:30	115.1	↓-0.2
6/18 23:40	114.6	↓-0.5
6/18 23:50	114.0	↓-0.6