7 (日)	13:17	04:46	21:58	18:12
	117cm	37cm	113cm	106cm
小潮 出 05:38 入 17:14 出 14:21 入 -

那珂湊（茨城）2057年10月7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
10/7 00:00	86.4	↓-2.5
10/7 00:10	83.9	↓-2.5
10/7 00:20	81.3	↓-2.6
10/7 00:30	78.7	↓-2.6
10/7 00:40	76.1	↓-2.6
10/7 00:50	73.4	↓-2.7	最大潮位差
10/7 01:00	70.8	↓-2.6
10/7 01:10	68.3	↓-2.5
10/7 01:20	65.7	↓-2.6
10/7 01:30	63.2	↓-2.5
10/7 01:40	60.8	↓-2.4
10/7 01:50	58.5	↓-2.3
10/7 02:00	56.2	↓-2.3
10/7 02:10	54.0	↓-2.2
10/7 02:20	51.9	↓-2.1
10/7 02:30	49.9	↓-2.0
10/7 02:40	48.0	↓-1.9
10/7 02:50	46.3	↓-1.7
10/7 03:00	44.6	↓-1.7
10/7 03:10	43.1	↓-1.5
10/7 03:20	41.8	↓-1.3
10/7 03:30	40.5	↓-1.3
10/7 03:40	39.4	↓-1.1
10/7 03:50	38.5	↓-0.9
10/7 04:00	37.7	↓-0.8
10/7 04:10	37.1	↓-0.6
10/7 04:20	36.6	↓-0.5
10/7 04:30	36.3	↓-0.3
10/7 04:40	36.1	↓-0.2	干潮
10/7 04:50	36.1	0
10/7 05:00	36.3	↑0.2
10/7 05:10	36.6	↑0.3
10/7 05:20	37.1	↑0.5
10/7 05:30	37.7	↑0.6
10/7 05:40	38.5	↑0.8
10/7 05:50	39.5	↑1.0
10/7 06:00	40.6	↑1.1
10/7 06:10	41.9	↑1.3
10/7 06:20	43.3	↑1.4
10/7 06:30	44.9	↑1.6
10/7 06:40	46.6	↑1.7
10/7 06:50	48.4	↑1.8
10/7 07:00	50.3	↑1.9
10/7 07:10	52.4	↑2.1
10/7 07:20	54.6	↑2.2
10/7 07:30	56.9	↑2.3
10/7 07:40	59.3	↑2.4
10/7 07:50	61.7	↑2.4
10/7 08:00	64.2	↑2.5
10/7 08:10	66.8	↑2.6
10/7 08:20	69.4	↑2.6
10/7 08:30	72.0	↑2.6
10/7 08:40	74.7	↑2.7	最大潮位差
10/7 08:50	77.3	↑2.6
10/7 09:00	79.9	↑2.6
10/7 09:10	82.5	↑2.6
10/7 09:20	85.1	↑2.6
10/7 09:30	87.6	↑2.5
10/7 09:40	90.1	↑2.5
10/7 09:50	92.5	↑2.4
10/7 10:00	94.8	↑2.3
10/7 10:10	97.0	↑2.2
10/7 10:20	99.1	↑2.1
10/7 10:30	101.1	↑2.0
10/7 10:40	102.9	↑1.8
10/7 10:50	104.7	↑1.8
10/7 11:00	106.3	↑1.6
10/7 11:10	107.8	↑1.5
10/7 11:20	109.2	↑1.4
10/7 11:30	110.5	↑1.3
10/7 11:40	111.6	↑1.1
10/7 11:50	112.6	↑1.0
10/7 12:00	113.4	↑0.8
10/7 12:10	114.2	↑0.8
10/7 12:20	114.8	↑0.6
10/7 12:30	115.3	↑0.5
10/7 12:40	115.7	↑0.4
10/7 12:50	116.0	↑0.3
10/7 13:00	116.1	↑0.1
10/7 13:10	116.2	↑0.1	満潮
10/7 13:20	116.2	0
10/7 13:30	116.2	0
10/7 13:40	116.0	↓-0.2
10/7 13:50	115.8	↓-0.2
10/7 14:00	115.5	↓-0.3
10/7 14:10	115.2	↓-0.3
10/7 14:20	114.8	↓-0.4
10/7 14:30	114.4	↓-0.4
10/7 14:40	113.9	↓-0.5
10/7 14:50	113.5	↓-0.4
10/7 15:00	113.0	↓-0.5
10/7 15:10	112.4	↓-0.6
10/7 15:20	111.9	↓-0.5
10/7 15:30	111.3	↓-0.6
10/7 15:40	110.8	↓-0.5
10/7 15:50	110.3	↓-0.5
10/7 16:00	109.7	↓-0.6
10/7 16:10	109.2	↓-0.5
10/7 16:20	108.7	↓-0.5
10/7 16:30	108.2	↓-0.5
10/7 16:40	107.8	↓-0.4
10/7 16:50	107.4	↓-0.4
10/7 17:00	107.0	↓-0.4
10/7 17:10	106.7	↓-0.3
10/7 17:20	106.4	↓-0.3
10/7 17:30	106.1	↓-0.3
10/7 17:40	105.9	↓-0.2
10/7 17:50	105.8	↓-0.1
10/7 18:00	105.7	↓-0.1
10/7 18:10	105.6	↓-0.1	干潮
10/7 18:20	105.7	↑0.1
10/7 18:30	105.7	0
10/7 18:40	105.9	↑0.2
10/7 18:50	106.1	↑0.2
10/7 19:00	106.3	↑0.2
10/7 19:10	106.6	↑0.3
10/7 19:20	107.0	↑0.4
10/7 19:30	107.3	↑0.3
10/7 19:40	107.8	↑0.5
10/7 19:50	108.2	↑0.4
10/7 20:00	108.7	↑0.5
10/7 20:10	109.2	↑0.5
10/7 20:20	109.7	↑0.5
10/7 20:30	110.1	↑0.4
10/7 20:40	110.6	↑0.5
10/7 20:50	111.1	↑0.5
10/7 21:00	111.5	↑0.4
10/7 21:10	111.9	↑0.4
10/7 21:20	112.2	↑0.3
10/7 21:30	112.5	↑0.3
10/7 21:40	112.7	↑0.2
10/7 21:50	112.8	↑0.1	満潮
10/7 22:00	112.8	0
10/7 22:10	112.7	↓-0.1
10/7 22:20	112.6	↓-0.1
10/7 22:30	112.3	↓-0.3
10/7 22:40	111.9	↓-0.4
10/7 22:50	111.3	↓-0.6
10/7 23:00	110.7	↓-0.6
10/7 23:10	109.9	↓-0.8
10/7 23:20	108.9	↓-1.0
10/7 23:30	107.9	↓-1.0
10/7 23:40	106.7	↓-1.2
10/7 23:50	105.4	↓-1.3