7 (土)	01:56	08:36	15:15	21:03
	123cm	35cm	129cm	64cm
中潮 出 05:38 入 17:14 出 03:03 入 16:24

那珂湊（茨城）2056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	109.5	↑2.1
10/7 00:10	111.4	↑1.9
10/7 00:20	113.3	↑1.9
10/7 00:30	115.0	↑1.7
10/7 00:40	116.6	↑1.6
10/7 00:50	118.0	↑1.4
10/7 01:00	119.3	↑1.3
10/7 01:10	120.4	↑1.1
10/7 01:20	121.2	↑0.8
10/7 01:30	121.9	↑0.7
10/7 01:40	122.4	↑0.5
10/7 01:50	122.6	↑0.2	満潮
10/7 02:00	122.6	0
10/7 02:10	122.4	↓-0.2
10/7 02:20	121.9	↓-0.5
10/7 02:30	121.2	↓-0.7
10/7 02:40	120.2	↓-1.0
10/7 02:50	119.0	↓-1.2
10/7 03:00	117.6	↓-1.4
10/7 03:10	116.0	↓-1.6
10/7 03:20	114.1	↓-1.9
10/7 03:30	112.0	↓-2.1
10/7 03:40	109.7	↓-2.3
10/7 03:50	107.2	↓-2.5
10/7 04:00	104.6	↓-2.6
10/7 04:10	101.7	↓-2.9
10/7 04:20	98.7	↓-3.0
10/7 04:30	95.6	↓-3.1
10/7 04:40	92.4	↓-3.2
10/7 04:50	89.1	↓-3.3
10/7 05:00	85.7	↓-3.4
10/7 05:10	82.2	↓-3.5
10/7 05:20	78.8	↓-3.4
10/7 05:30	75.3	↓-3.5
10/7 05:40	71.8	↓-3.5
10/7 05:50	68.4	↓-3.4
10/7 06:00	65.0	↓-3.4
10/7 06:10	61.7	↓-3.3
10/7 06:20	58.5	↓-3.2
10/7 06:30	55.4	↓-3.1
10/7 06:40	52.5	↓-2.9
10/7 06:50	49.7	↓-2.8
10/7 07:00	47.1	↓-2.6
10/7 07:10	44.7	↓-2.4
10/7 07:20	42.6	↓-2.1
10/7 07:30	40.7	↓-1.9
10/7 07:40	39.0	↓-1.7
10/7 07:50	37.6	↓-1.4
10/7 08:00	36.4	↓-1.2
10/7 08:10	35.6	↓-0.8
10/7 08:20	35.0	↓-0.6
10/7 08:30	34.7	↓-0.3	干潮
10/7 08:40	34.7	0
10/7 08:50	35.0	↑0.3
10/7 09:00	35.6	↑0.6
10/7 09:10	36.5	↑0.9
10/7 09:20	37.7	↑1.2
10/7 09:30	39.2	↑1.5
10/7 09:40	40.9	↑1.7
10/7 09:50	42.9	↑2.0
10/7 10:00	45.1	↑2.2
10/7 10:10	47.5	↑2.4
10/7 10:20	50.2	↑2.7
10/7 10:30	53.1	↑2.9
10/7 10:40	56.1	↑3.0
10/7 10:50	59.3	↑3.2
10/7 11:00	62.7	↑3.4
10/7 11:10	66.1	↑3.4
10/7 11:20	69.7	↑3.6
10/7 11:30	73.3	↑3.6
10/7 11:40	77.0	↑3.7	最大潮位差
10/7 11:50	80.7	↑3.7	最大潮位差
10/7 12:00	84.4	↑3.7	最大潮位差
10/7 12:10	88.1	↑3.7	最大潮位差
10/7 12:20	91.7	↑3.6
10/7 12:30	95.3	↑3.6
10/7 12:40	98.8	↑3.5
10/7 12:50	102.2	↑3.4
10/7 13:00	105.4	↑3.2
10/7 13:10	108.5	↑3.1
10/7 13:20	111.5	↑3.0
10/7 13:30	114.2	↑2.7
10/7 13:40	116.7	↑2.5
10/7 13:50	119.1	↑2.4
10/7 14:00	121.2	↑2.1
10/7 14:10	123.0	↑1.8
10/7 14:20	124.6	↑1.6
10/7 14:30	125.9	↑1.3
10/7 14:40	127.0	↑1.1
10/7 14:50	127.8	↑0.8
10/7 15:00	128.3	↑0.5
10/7 15:10	128.6	↑0.3	満潮
10/7 15:20	128.5	↓-0.1
10/7 15:30	128.2	↓-0.3
10/7 15:40	127.7	↓-0.5
10/7 15:50	126.8	↓-0.9
10/7 16:00	125.7	↓-1.1
10/7 16:10	124.4	↓-1.3
10/7 16:20	122.8	↓-1.6
10/7 16:30	121.0	↓-1.8
10/7 16:40	119.0	↓-2.0
10/7 16:50	116.8	↓-2.2
10/7 17:00	114.5	↓-2.3
10/7 17:10	112.0	↓-2.5
10/7 17:20	109.3	↓-2.7
10/7 17:30	106.6	↓-2.7
10/7 17:40	103.8	↓-2.8
10/7 17:50	100.9	↓-2.9
10/7 18:00	97.9	↓-3.0
10/7 18:10	95.0	↓-2.9
10/7 18:20	92.0	↓-3.0
10/7 18:30	89.1	↓-2.9
10/7 18:40	86.3	↓-2.8
10/7 18:50	83.5	↓-2.8
10/7 19:00	80.8	↓-2.7
10/7 19:10	78.3	↓-2.5
10/7 19:20	75.9	↓-2.4
10/7 19:30	73.6	↓-2.3
10/7 19:40	71.6	↓-2.0
10/7 19:50	69.7	↓-1.9
10/7 20:00	68.0	↓-1.7
10/7 20:10	66.6	↓-1.4
10/7 20:20	65.4	↓-1.2
10/7 20:30	64.4	↓-1.0
10/7 20:40	63.7	↓-0.7
10/7 20:50	63.3	↓-0.4
10/7 21:00	63.1	↓-0.2	干潮
10/7 21:10	63.2	↑0.1
10/7 21:20	63.5	↑0.3
10/7 21:30	64.1	↑0.6
10/7 21:40	65.0	↑0.9
10/7 21:50	66.1	↑1.1
10/7 22:00	67.4	↑1.3
10/7 22:10	69.0	↑1.6
10/7 22:20	70.8	↑1.8
10/7 22:30	72.8	↑2.0
10/7 22:40	75.0	↑2.2
10/7 22:50	77.3	↑2.3
10/7 23:00	79.8	↑2.5
10/7 23:10	82.4	↑2.6
10/7 23:20	85.2	↑2.8
10/7 23:30	88.0	↑2.8
10/7 23:40	90.9	↑2.9
10/7 23:50	93.8	↑2.9