7 (水)	08:29	01:22	18:58	13:18
	117cm	34cm	122cm	90cm
小潮 出 05:38 入 17:14 出 11:24 入 21:44

那珂湊（茨城）2054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	41.7	↓-2.2
10/7 00:10	39.9	↓-1.8
10/7 00:20	38.2	↓-1.7
10/7 00:30	36.8	↓-1.4
10/7 00:40	35.7	↓-1.1
10/7 00:50	34.8	↓-0.9
10/7 01:00	34.1	↓-0.7
10/7 01:10	33.7	↓-0.4
10/7 01:20	33.6	↓-0.1	干潮
10/7 01:30	33.7	↑0.1
10/7 01:40	34.0	↑0.3
10/7 01:50	34.6	↑0.6
10/7 02:00	35.4	↑0.8
10/7 02:10	36.5	↑1.1
10/7 02:20	37.7	↑1.2
10/7 02:30	39.2	↑1.5
10/7 02:40	40.9	↑1.7
10/7 02:50	42.7	↑1.8
10/7 03:00	44.7	↑2.0
10/7 03:10	46.9	↑2.2
10/7 03:20	49.2	↑2.3
10/7 03:30	51.7	↑2.5
10/7 03:40	54.3	↑2.6
10/7 03:50	56.9	↑2.6
10/7 04:00	59.7	↑2.8
10/7 04:10	62.6	↑2.9
10/7 04:20	65.5	↑2.9
10/7 04:30	68.5	↑3.0
10/7 04:40	71.5	↑3.0
10/7 04:50	74.6	↑3.1
10/7 05:00	77.6	↑3.0
10/7 05:10	80.6	↑3.0
10/7 05:20	83.6	↑3.0
10/7 05:30	86.6	↑3.0
10/7 05:40	89.4	↑2.8
10/7 05:50	92.2	↑2.8
10/7 06:00	95.0	↑2.8
10/7 06:10	97.6	↑2.6
10/7 06:20	100.0	↑2.4
10/7 06:30	102.4	↑2.4
10/7 06:40	104.6	↑2.2
10/7 06:50	106.6	↑2.0
10/7 07:00	108.5	↑1.9
10/7 07:10	110.2	↑1.7
10/7 07:20	111.7	↑1.5
10/7 07:30	113.0	↑1.3
10/7 07:40	114.1	↑1.1
10/7 07:50	114.9	↑0.8
10/7 08:00	115.6	↑0.7
10/7 08:10	116.1	↑0.5
10/7 08:20	116.4	↑0.3	満潮
10/7 08:30	116.4	0
10/7 08:40	116.3	↓-0.1
10/7 08:50	116.0	↓-0.3
10/7 09:00	115.5	↓-0.5
10/7 09:10	114.8	↓-0.7
10/7 09:20	114.0	↓-0.8
10/7 09:30	113.0	↓-1.0
10/7 09:40	111.9	↓-1.1
10/7 09:50	110.7	↓-1.2
10/7 10:00	109.5	↓-1.2
10/7 10:10	108.1	↓-1.4
10/7 10:20	106.7	↓-1.4
10/7 10:30	105.2	↓-1.5
10/7 10:40	103.7	↓-1.5
10/7 10:50	102.2	↓-1.5
10/7 11:00	100.8	↓-1.4
10/7 11:10	99.3	↓-1.5
10/7 11:20	97.9	↓-1.4
10/7 11:30	96.6	↓-1.3
10/7 11:40	95.4	↓-1.2
10/7 11:50	94.2	↓-1.2
10/7 12:00	93.1	↓-1.1
10/7 12:10	92.2	↓-0.9
10/7 12:20	91.4	↓-0.8
10/7 12:30	90.6	↓-0.8
10/7 12:40	90.1	↓-0.5
10/7 12:50	89.6	↓-0.5
10/7 13:00	89.3	↓-0.3
10/7 13:10	89.2	↓-0.1	干潮
10/7 13:20	89.2	0
10/7 13:30	89.3	↑0.1
10/7 13:40	89.5	↑0.2
10/7 13:50	89.9	↑0.4
10/7 14:00	90.4	↑0.5
10/7 14:10	91.0	↑0.6
10/7 14:20	91.8	↑0.8
10/7 14:30	92.6	↑0.8
10/7 14:40	93.6	↑1.0
10/7 14:50	94.6	↑1.0
10/7 15:00	95.8	↑1.2
10/7 15:10	97.0	↑1.2
10/7 15:20	98.3	↑1.3
10/7 15:30	99.6	↑1.3
10/7 15:40	101.0	↑1.4
10/7 15:50	102.4	↑1.4
10/7 16:00	103.8	↑1.4
10/7 16:10	105.3	↑1.5
10/7 16:20	106.8	↑1.5
10/7 16:30	108.2	↑1.4
10/7 16:40	109.7	↑1.5
10/7 16:50	111.1	↑1.4
10/7 17:00	112.5	↑1.4
10/7 17:10	113.8	↑1.3
10/7 17:20	115.1	↑1.3
10/7 17:30	116.3	↑1.2
10/7 17:40	117.4	↑1.1
10/7 17:50	118.4	↑1.0
10/7 18:00	119.3	↑0.9
10/7 18:10	120.1	↑0.8
10/7 18:20	120.8	↑0.7
10/7 18:30	121.3	↑0.5
10/7 18:40	121.7	↑0.4
10/7 18:50	121.9	↑0.2	満潮
10/7 19:00	121.9	0
10/7 19:10	121.8	↓-0.1
10/7 19:20	121.5	↓-0.3
10/7 19:30	121.0	↓-0.5
10/7 19:40	120.2	↓-0.8
10/7 19:50	119.3	↓-0.9
10/7 20:00	118.2	↓-1.1
10/7 20:10	116.9	↓-1.3
10/7 20:20	115.4	↓-1.5
10/7 20:30	113.7	↓-1.7
10/7 20:40	111.9	↓-1.8
10/7 20:50	109.8	↓-2.1
10/7 21:00	107.6	↓-2.2
10/7 21:10	105.2	↓-2.4
10/7 21:20	102.6	↓-2.6
10/7 21:30	99.9	↓-2.7
10/7 21:40	97.1	↓-2.8
10/7 21:50	94.2	↓-2.9
10/7 22:00	91.2	↓-3.0
10/7 22:10	88.2	↓-3.0
10/7 22:20	85.1	↓-3.1
10/7 22:30	81.9	↓-3.2	最大潮位差
10/7 22:40	78.7	↓-3.2	最大潮位差
10/7 22:50	75.6	↓-3.1
10/7 23:00	72.5	↓-3.1
10/7 23:10	69.4	↓-3.1
10/7 23:20	66.4	↓-3.0
10/7 23:30	63.4	↓-3.0
10/7 23:40	60.6	↓-2.8
10/7 23:50	57.9	↓-2.7