07 (土)	05:30	11:02	16:55	23:26
	128cm	67cm	130cm	34cm
中潮 出 05:38 入 17:15 出 07:31 入 18:30

那珂湊（茨城）2051年10月07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	41.4	↑1.8
10/7 00:10	43.4	↑2.0
10/7 00:20	45.6	↑2.2
10/7 00:30	48.1	↑2.5
10/7 00:40	50.8	↑2.7
10/7 00:50	53.6	↑2.8
10/7 01:00	56.7	↑3.1
10/7 01:10	59.8	↑3.1
10/7 01:20	63.2	↑3.4
10/7 01:30	66.6	↑3.4
10/7 01:40	70.1	↑3.5
10/7 01:50	73.7	↑3.6
10/7 02:00	77.3	↑3.6
10/7 02:10	81.0	↑3.7
10/7 02:20	84.6	↑3.6
10/7 02:30	88.2	↑3.6
10/7 02:40	91.8	↑3.6
10/7 02:50	95.3	↑3.5
10/7 03:00	98.7	↑3.4
10/7 03:10	102.0	↑3.3
10/7 03:20	105.2	↑3.2
10/7 03:30	108.2	↑3.0
10/7 03:40	111.1	↑2.9
10/7 03:50	113.7	↑2.6
10/7 04:00	116.2	↑2.5
10/7 04:10	118.4	↑2.2
10/7 04:20	120.5	↑2.1
10/7 04:30	122.2	↑1.7
10/7 04:40	123.7	↑1.5
10/7 04:50	125.0	↑1.3
10/7 05:00	125.9	↑0.9
10/7 05:10	126.6	↑0.7
10/7 05:20	127.0	↑0.4	満潮
10/7 05:30	127.1	↑0.1	満潮
10/7 05:40	127.0	↓-0.1
10/7 05:50	126.5	↓-0.5
10/7 06:00	125.8	↓-0.7
10/7 06:10	124.8	↓-1.0
10/7 06:20	123.6	↓-1.2
10/7 06:30	122.1	↓-1.5
10/7 06:40	120.4	↓-1.7
10/7 06:50	118.5	↓-1.9
10/7 07:00	116.4	↓-2.1
10/7 07:10	114.1	↓-2.3
10/7 07:20	111.7	↓-2.4
10/7 07:30	109.1	↓-2.6
10/7 07:40	106.4	↓-2.7
10/7 07:50	103.6	↓-2.8
10/7 08:00	100.8	↓-2.8
10/7 08:10	98.0	↓-2.8
10/7 08:20	95.1	↓-2.9
10/7 08:30	92.3	↓-2.8
10/7 08:40	89.5	↓-2.8
10/7 08:50	86.8	↓-2.7
10/7 09:00	84.2	↓-2.6
10/7 09:10	81.7	↓-2.5
10/7 09:20	79.3	↓-2.4
10/7 09:30	77.2	↓-2.1
10/7 09:40	75.1	↓-2.1
10/7 09:50	73.3	↓-1.8
10/7 10:00	71.7	↓-1.6
10/7 10:10	70.3	↓-1.4
10/7 10:20	69.2	↓-1.1
10/7 10:30	68.2	↓-1.0
10/7 10:40	67.6	↓-0.6
10/7 10:50	67.2	↓-0.4
10/7 11:00	67.0	↓-0.2	干潮
10/7 11:10	67.1	↑0.1
10/7 11:20	67.4	↑0.3
10/7 11:30	68.0	↑0.6
10/7 11:40	68.8	↑0.8
10/7 11:50	69.9	↑1.1
10/7 12:00	71.2	↑1.3
10/7 12:10	72.7	↑1.5
10/7 12:20	74.3	↑1.6
10/7 12:30	76.2	↑1.9
10/7 12:40	78.2	↑2.0
10/7 12:50	80.4	↑2.2
10/7 13:00	82.8	↑2.4
10/7 13:10	85.2	↑2.4
10/7 13:20	87.7	↑2.5
10/7 13:30	90.4	↑2.7
10/7 13:40	93.0	↑2.6
10/7 13:50	95.8	↑2.8
10/7 14:00	98.5	↑2.7
10/7 14:10	101.2	↑2.7
10/7 14:20	104.0	↑2.8
10/7 14:30	106.6	↑2.6
10/7 14:40	109.3	↑2.7
10/7 14:50	111.8	↑2.5
10/7 15:00	114.2	↑2.4
10/7 15:10	116.6	↑2.4
10/7 15:20	118.8	↑2.2
10/7 15:30	120.8	↑2.0
10/7 15:40	122.6	↑1.8
10/7 15:50	124.3	↑1.7
10/7 16:00	125.8	↑1.5
10/7 16:10	127.0	↑1.2
10/7 16:20	128.0	↑1.0
10/7 16:30	128.8	↑0.8
10/7 16:40	129.3	↑0.5
10/7 16:50	129.6	↑0.3	満潮
10/7 17:00	129.5	↓-0.1
10/7 17:10	129.2	↓-0.3
10/7 17:20	128.7	↓-0.5
10/7 17:30	127.8	↓-0.9
10/7 17:40	126.6	↓-1.2
10/7 17:50	125.2	↓-1.4
10/7 18:00	123.5	↓-1.7
10/7 18:10	121.5	↓-2.0
10/7 18:20	119.3	↓-2.2
10/7 18:30	116.8	↓-2.5
10/7 18:40	114.1	↓-2.7
10/7 18:50	111.1	↓-3.0
10/7 19:00	108.0	↓-3.1
10/7 19:10	104.6	↓-3.4
10/7 19:20	101.1	↓-3.5
10/7 19:30	97.5	↓-3.6
10/7 19:40	93.7	↓-3.8
10/7 19:50	89.9	↓-3.8
10/7 20:00	86.0	↓-3.9
10/7 20:10	82.1	↓-3.9
10/7 20:20	78.1	↓-4.0	最大潮位差
10/7 20:30	74.2	↓-3.9
10/7 20:40	70.3	↓-3.9
10/7 20:50	66.5	↓-3.8
10/7 21:00	62.7	↓-3.8
10/7 21:10	59.2	↓-3.5
10/7 21:20	55.7	↓-3.5
10/7 21:30	52.5	↓-3.2
10/7 21:40	49.4	↓-3.1
10/7 21:50	46.5	↓-2.9
10/7 22:00	43.9	↓-2.6
10/7 22:10	41.6	↓-2.3
10/7 22:20	39.5	↓-2.1
10/7 22:30	37.6	↓-1.9
10/7 22:40	36.1	↓-1.5
10/7 22:50	34.9	↓-1.2
10/7 23:00	34.0	↓-0.9
10/7 23:10	33.4	↓-0.6
10/7 23:20	33.0	↓-0.4	干潮
10/7 23:30	33.0	0
10/7 23:40	33.3	↑0.3
10/7 23:50	33.9	↑0.6