9 (月)	03:49	10:03	16:13	22:16
	137cm	43cm	130cm	40cm
大潮 出 05:40 入 17:11 出 05:22 入 17:34

那珂湊（茨城）2056年10月9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
10/9 00:00	78.1	↑3.3
10/9 00:10	81.5	↑3.4
10/9 00:20	85.0	↑3.5
10/9 00:30	88.5	↑3.5
10/9 00:40	92.1	↑3.6
10/9 00:50	95.7	↑3.6
10/9 01:00	99.2	↑3.5
10/9 01:10	102.8	↑3.6
10/9 01:20	106.2	↑3.4
10/9 01:30	109.6	↑3.4
10/9 01:40	112.9	↑3.3
10/9 01:50	116.0	↑3.1
10/9 02:00	119.0	↑3.0
10/9 02:10	121.8	↑2.8
10/9 02:20	124.4	↑2.6
10/9 02:30	126.8	↑2.4
10/9 02:40	128.9	↑2.1
10/9 02:50	130.8	↑1.9
10/9 03:00	132.4	↑1.6
10/9 03:10	133.7	↑1.3
10/9 03:20	134.8	↑1.1
10/9 03:30	135.5	↑0.7
10/9 03:40	135.9	↑0.4	満潮
10/9 03:50	136.0	↑0.1
10/9 04:00	135.8	↓-0.2
10/9 04:10	135.3	↓-0.5
10/9 04:20	134.4	↓-0.9
10/9 04:30	133.3	↓-1.1
10/9 04:40	131.8	↓-1.5
10/9 04:50	130.0	↓-1.8
10/9 05:00	128.0	↓-2.0
10/9 05:10	125.7	↓-2.3
10/9 05:20	123.1	↓-2.6
10/9 05:30	120.2	↓-2.9
10/9 05:40	117.2	↓-3.0
10/9 05:50	113.9	↓-3.3
10/9 06:00	110.5	↓-3.4
10/9 06:10	106.8	↓-3.7
10/9 06:20	103.1	↓-3.7
10/9 06:30	99.3	↓-3.8
10/9 06:40	95.4	↓-3.9
10/9 06:50	91.4	↓-4.0	最大潮位差
10/9 07:00	87.4	↓-4.0	最大潮位差
10/9 07:10	83.4	↓-4.0	最大潮位差
10/9 07:20	79.5	↓-3.9
10/9 07:30	75.6	↓-3.9
10/9 07:40	71.9	↓-3.7
10/9 07:50	68.2	↓-3.7
10/9 08:00	64.7	↓-3.5
10/9 08:10	61.4	↓-3.3
10/9 08:20	58.3	↓-3.1
10/9 08:30	55.4	↓-2.9
10/9 08:40	52.8	↓-2.6
10/9 08:50	50.4	↓-2.4
10/9 09:00	48.2	↓-2.2
10/9 09:10	46.4	↓-1.8
10/9 09:20	44.9	↓-1.5
10/9 09:30	43.7	↓-1.2
10/9 09:40	42.8	↓-0.9
10/9 09:50	42.3	↓-0.5
10/9 10:00	42.0	↓-0.3	干潮
10/9 10:10	42.1	↑0.1
10/9 10:20	42.6	↑0.5
10/9 10:30	43.3	↑0.7
10/9 10:40	44.3	↑1.0
10/9 10:50	45.7	↑1.4
10/9 11:00	47.4	↑1.7
10/9 11:10	49.3	↑1.9
10/9 11:20	51.5	↑2.2
10/9 11:30	53.9	↑2.4
10/9 11:40	56.6	↑2.7
10/9 11:50	59.5	↑2.9
10/9 12:00	62.5	↑3.0
10/9 12:10	65.7	↑3.2
10/9 12:20	69.1	↑3.4
10/9 12:30	72.6	↑3.5
10/9 12:40	76.2	↑3.6
10/9 12:50	79.8	↑3.6
10/9 13:00	83.5	↑3.7
10/9 13:10	87.2	↑3.7
10/9 13:20	90.9	↑3.7
10/9 13:30	94.6	↑3.7
10/9 13:40	98.1	↑3.5
10/9 13:50	101.7	↑3.6
10/9 14:00	105.1	↑3.4
10/9 14:10	108.3	↑3.2
10/9 14:20	111.4	↑3.1
10/9 14:30	114.4	↑3.0
10/9 14:40	117.1	↑2.7
10/9 14:50	119.6	↑2.5
10/9 15:00	121.9	↑2.3
10/9 15:10	123.9	↑2.0
10/9 15:20	125.6	↑1.7
10/9 15:30	127.1	↑1.5
10/9 15:40	128.3	↑1.2
10/9 15:50	129.1	↑0.8
10/9 16:00	129.6	↑0.5
10/9 16:10	129.9	↑0.3	満潮
10/9 16:20	129.8	↓-0.1
10/9 16:30	129.3	↓-0.5
10/9 16:40	128.6	↓-0.7
10/9 16:50	127.5	↓-1.1
10/9 17:00	126.1	↓-1.4
10/9 17:10	124.4	↓-1.7
10/9 17:20	122.4	↓-2.0
10/9 17:30	120.2	↓-2.2
10/9 17:40	117.7	↓-2.5
10/9 17:50	114.9	↓-2.8
10/9 18:00	111.9	↓-3.0
10/9 18:10	108.7	↓-3.2
10/9 18:20	105.3	↓-3.4
10/9 18:30	101.7	↓-3.6
10/9 18:40	98.0	↓-3.7
10/9 18:50	94.3	↓-3.7
10/9 19:00	90.4	↓-3.9
10/9 19:10	86.5	↓-3.9
10/9 19:20	82.6	↓-3.9
10/9 19:30	78.7	↓-3.9
10/9 19:40	74.9	↓-3.8
10/9 19:50	71.1	↓-3.8
10/9 20:00	67.4	↓-3.7
10/9 20:10	63.9	↓-3.5
10/9 20:20	60.5	↓-3.4
10/9 20:30	57.3	↓-3.2
10/9 20:40	54.3	↓-3.0
10/9 20:50	51.6	↓-2.7
10/9 21:00	49.1	↓-2.5
10/9 21:10	46.9	↓-2.2
10/9 21:20	44.9	↓-2.0
10/9 21:30	43.3	↓-1.6
10/9 21:40	42.0	↓-1.3
10/9 21:50	41.0	↓-1.0
10/9 22:00	40.3	↓-0.7
10/9 22:10	40.0	↓-0.3	干潮
10/9 22:20	40.0	0
10/9 22:30	40.4	↑0.4
10/9 22:40	41.0	↑0.6
10/9 22:50	42.1	↑1.1
10/9 23:00	43.4	↑1.3
10/9 23:10	45.0	↑1.6
10/9 23:20	46.9	↑1.9
10/9 23:30	49.2	↑2.3
10/9 23:40	51.6	↑2.4
10/9 23:50	54.4	↑2.8