7 (木)	04:52	10:44	16:49	23:04
	129cm	56cm	130cm	42cm
大潮 出 05:38 入 17:15 出 18:19 入 06:34

那珂湊（茨城）2055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	56.0	↑2.2
10/7 00:10	58.4	↑2.4
10/7 00:20	61.0	↑2.6
10/7 00:30	63.7	↑2.7
10/7 00:40	66.6	↑2.9
10/7 00:50	69.7	↑3.1
10/7 01:00	72.8	↑3.1
10/7 01:10	76.1	↑3.3
10/7 01:20	79.4	↑3.3
10/7 01:30	82.8	↑3.4
10/7 01:40	86.2	↑3.4
10/7 01:50	89.6	↑3.4
10/7 02:00	93.0	↑3.4
10/7 02:10	96.3	↑3.3
10/7 02:20	99.6	↑3.3
10/7 02:30	102.8	↑3.2
10/7 02:40	105.9	↑3.1
10/7 02:50	108.9	↑3.0
10/7 03:00	111.7	↑2.8
10/7 03:10	114.3	↑2.6
10/7 03:20	116.8	↑2.5
10/7 03:30	119.1	↑2.3
10/7 03:40	121.1	↑2.0
10/7 03:50	122.9	↑1.8
10/7 04:00	124.5	↑1.6
10/7 04:10	125.8	↑1.3
10/7 04:20	126.8	↑1.0
10/7 04:30	127.5	↑0.7
10/7 04:40	128.0	↑0.5
10/7 04:50	128.2	↑0.2	満潮
10/7 05:00	128.0	↓-0.2
10/7 05:10	127.6	↓-0.4
10/7 05:20	127.0	↓-0.6
10/7 05:30	126.0	↓-1.0
10/7 05:40	124.7	↓-1.3
10/7 05:50	123.2	↓-1.5
10/7 06:00	121.4	↓-1.8
10/7 06:10	119.4	↓-2.0
10/7 06:20	117.2	↓-2.2
10/7 06:30	114.8	↓-2.4
10/7 06:40	112.1	↓-2.7
10/7 06:50	109.3	↓-2.8
10/7 07:00	106.4	↓-2.9
10/7 07:10	103.3	↓-3.1
10/7 07:20	100.2	↓-3.1
10/7 07:30	96.9	↓-3.3
10/7 07:40	93.7	↓-3.2
10/7 07:50	90.4	↓-3.3
10/7 08:00	87.1	↓-3.3
10/7 08:10	83.9	↓-3.2
10/7 08:20	80.7	↓-3.2
10/7 08:30	77.7	↓-3.0
10/7 08:40	74.7	↓-3.0
10/7 08:50	71.9	↓-2.8
10/7 09:00	69.2	↓-2.7
10/7 09:10	66.7	↓-2.5
10/7 09:20	64.4	↓-2.3
10/7 09:30	62.4	↓-2.0
10/7 09:40	60.5	↓-1.9
10/7 09:50	59.0	↓-1.5
10/7 10:00	57.6	↓-1.4
10/7 10:10	56.6	↓-1.0
10/7 10:20	55.8	↓-0.8
10/7 10:30	55.3	↓-0.5
10/7 10:40	55.1	↓-0.2	干潮
10/7 10:50	55.1	0
10/7 11:00	55.5	↑0.4
10/7 11:10	56.1	↑0.6
10/7 11:20	56.9	↑0.8
10/7 11:30	58.1	↑1.2
10/7 11:40	59.5	↑1.4
10/7 11:50	61.1	↑1.6
10/7 12:00	62.9	↑1.8
10/7 12:10	65.0	↑2.1
10/7 12:20	67.2	↑2.2
10/7 12:30	69.7	↑2.5
10/7 12:40	72.3	↑2.6
10/7 12:50	75.0	↑2.7
10/7 13:00	77.9	↑2.9
10/7 13:10	80.8	↑2.9
10/7 13:20	83.9	↑3.1
10/7 13:30	87.0	↑3.1
10/7 13:40	90.1	↑3.1
10/7 13:50	93.2	↑3.1
10/7 14:00	96.4	↑3.2
10/7 14:10	99.5	↑3.1
10/7 14:20	102.6	↑3.1
10/7 14:30	105.6	↑3.0
10/7 14:40	108.5	↑2.9
10/7 14:50	111.2	↑2.7
10/7 15:00	113.9	↑2.7
10/7 15:10	116.4	↑2.5
10/7 15:20	118.7	↑2.3
10/7 15:30	120.9	↑2.2
10/7 15:40	122.8	↑1.9
10/7 15:50	124.5	↑1.7
10/7 16:00	125.9	↑1.4
10/7 16:10	127.1	↑1.2
10/7 16:20	128.1	↑1.0
10/7 16:30	128.8	↑0.7
10/7 16:40	129.1	↑0.3	満潮
10/7 16:50	129.2	↑0.1
10/7 17:00	129.1	↓-0.1
10/7 17:10	128.6	↓-0.5
10/7 17:20	127.8	↓-0.8
10/7 17:30	126.7	↓-1.1
10/7 17:40	125.4	↓-1.3
10/7 17:50	123.7	↓-1.7
10/7 18:00	121.8	↓-1.9
10/7 18:10	119.6	↓-2.2
10/7 18:20	117.2	↓-2.4
10/7 18:30	114.6	↓-2.6
10/7 18:40	111.7	↓-2.9
10/7 18:50	108.6	↓-3.1
10/7 19:00	105.4	↓-3.2
10/7 19:10	102.0	↓-3.4
10/7 19:20	98.5	↓-3.5
10/7 19:30	94.9	↓-3.6
10/7 19:40	91.2	↓-3.7
10/7 19:50	87.5	↓-3.7
10/7 20:00	83.7	↓-3.8	最大潮位差
10/7 20:10	80.0	↓-3.7
10/7 20:20	76.3	↓-3.7
10/7 20:30	72.7	↓-3.6
10/7 20:40	69.1	↓-3.6
10/7 20:50	65.7	↓-3.4
10/7 21:00	62.4	↓-3.3
10/7 21:10	59.3	↓-3.1
10/7 21:20	56.4	↓-2.9
10/7 21:30	53.6	↓-2.8
10/7 21:40	51.1	↓-2.5
10/7 21:50	48.9	↓-2.2
10/7 22:00	46.9	↓-2.0
10/7 22:10	45.2	↓-1.7
10/7 22:20	43.8	↓-1.4
10/7 22:30	42.6	↓-1.2
10/7 22:40	41.8	↓-0.8
10/7 22:50	41.3	↓-0.5
10/7 23:00	41.0	↓-0.3	干潮
10/7 23:10	41.1	↑0.1
10/7 23:20	41.5	↑0.4
10/7 23:30	42.1	↑0.6
10/7 23:40	43.1	↑1.0
10/7 23:50	44.3	↑1.2