7 (火)	06:55	11:34	16:40	-
	123cm	92cm	124cm	-
中潮 出 06:35 入 16:24 出 19:09 入 08:53

那珂湊（茨城）2055年12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
12/7 00:00	6.2	↑0.9
12/7 00:10	7.4	↑1.2
12/7 00:20	9.0	↑1.6
12/7 00:30	10.8	↑1.8
12/7 00:40	12.9	↑2.1
12/7 00:50	15.3	↑2.4
12/7 01:00	17.9	↑2.6
12/7 01:10	20.8	↑2.9
12/7 01:20	23.8	↑3.0
12/7 01:30	27.1	↑3.3
12/7 01:40	30.5	↑3.4
12/7 01:50	34.1	↑3.6
12/7 02:00	37.9	↑3.8
12/7 02:10	41.7	↑3.8
12/7 02:20	45.7	↑4.0
12/7 02:30	49.7	↑4.0
12/7 02:40	53.8	↑4.1
12/7 02:50	57.9	↑4.1
12/7 03:00	62.1	↑4.2
12/7 03:10	66.2	↑4.1
12/7 03:20	70.3	↑4.1
12/7 03:30	74.4	↑4.1
12/7 03:40	78.4	↑4.0
12/7 03:50	82.3	↑3.9
12/7 04:00	86.1	↑3.8
12/7 04:10	89.8	↑3.7
12/7 04:20	93.4	↑3.6
12/7 04:30	96.8	↑3.4
12/7 04:40	100.1	↑3.3
12/7 04:50	103.1	↑3.0
12/7 05:00	106.0	↑2.9
12/7 05:10	108.7	↑2.7
12/7 05:20	111.1	↑2.4
12/7 05:30	113.3	↑2.2
12/7 05:40	115.3	↑2.0
12/7 05:50	117.0	↑1.7
12/7 06:00	118.5	↑1.5
12/7 06:10	119.7	↑1.2
12/7 06:20	120.7	↑1.0
12/7 06:30	121.4	↑0.7
12/7 06:40	121.8	↑0.4
12/7 06:50	122.1	↑0.3	満潮
12/7 07:00	122.0	↓-0.1
12/7 07:10	121.8	↓-0.2
12/7 07:20	121.3	↓-0.5
12/7 07:30	120.6	↓-0.7
12/7 07:40	119.8	↓-0.8
12/7 07:50	118.7	↓-1.1
12/7 08:00	117.6	↓-1.1
12/7 08:10	116.2	↓-1.4
12/7 08:20	114.8	↓-1.4
12/7 08:30	113.2	↓-1.6
12/7 08:40	111.6	↓-1.6
12/7 08:50	109.9	↓-1.7
12/7 09:00	108.2	↓-1.7
12/7 09:10	106.5	↓-1.7
12/7 09:20	104.8	↓-1.7
12/7 09:30	103.1	↓-1.7
12/7 09:40	101.5	↓-1.6
12/7 09:50	99.9	↓-1.6
12/7 10:00	98.4	↓-1.5
12/7 10:10	97.1	↓-1.3
12/7 10:20	95.8	↓-1.3
12/7 10:30	94.7	↓-1.1
12/7 10:40	93.7	↓-1.0
12/7 10:50	92.9	↓-0.8
12/7 11:00	92.2	↓-0.7
12/7 11:10	91.7	↓-0.5
12/7 11:20	91.4	↓-0.3
12/7 11:30	91.3	↓-0.1	干潮
12/7 11:40	91.3	0
12/7 11:50	91.5	↑0.2
12/7 12:00	91.9	↑0.4
12/7 12:10	92.4	↑0.5
12/7 12:20	93.1	↑0.7
12/7 12:30	93.9	↑0.8
12/7 12:40	94.9	↑1.0
12/7 12:50	96.0	↑1.1
12/7 13:00	97.2	↑1.2
12/7 13:10	98.5	↑1.3
12/7 13:20	99.9	↑1.4
12/7 13:30	101.4	↑1.5
12/7 13:40	102.9	↑1.5
12/7 13:50	104.5	↑1.6
12/7 14:00	106.1	↑1.6
12/7 14:10	107.7	↑1.6
12/7 14:20	109.3	↑1.6
12/7 14:30	110.9	↑1.6
12/7 14:40	112.5	↑1.6
12/7 14:50	114.0	↑1.5
12/7 15:00	115.5	↑1.5
12/7 15:10	116.9	↑1.4
12/7 15:20	118.2	↑1.3
12/7 15:30	119.4	↑1.2
12/7 15:40	120.5	↑1.1
12/7 15:50	121.4	↑0.9
12/7 16:00	122.2	↑0.8
12/7 16:10	122.9	↑0.7
12/7 16:20	123.3	↑0.4
12/7 16:30	123.6	↑0.3	満潮
12/7 16:40	123.7	↑0.1	満潮
12/7 16:50	123.6	↓-0.1
12/7 17:00	123.2	↓-0.4
12/7 17:10	122.7	↓-0.5
12/7 17:20	121.9	↓-0.8
12/7 17:30	120.9	↓-1.0
12/7 17:40	119.6	↓-1.3
12/7 17:50	118.2	↓-1.4
12/7 18:00	116.4	↓-1.8
12/7 18:10	114.4	↓-2.0
12/7 18:20	112.2	↓-2.2
12/7 18:30	109.8	↓-2.4
12/7 18:40	107.1	↓-2.7
12/7 18:50	104.2	↓-2.9
12/7 19:00	101.1	↓-3.1
12/7 19:10	97.8	↓-3.3
12/7 19:20	94.3	↓-3.5
12/7 19:30	90.6	↓-3.7
12/7 19:40	86.7	↓-3.9
12/7 19:50	82.8	↓-3.9
12/7 20:00	78.7	↓-4.1
12/7 20:10	74.5	↓-4.2
12/7 20:20	70.2	↓-4.3
12/7 20:30	65.9	↓-4.3
12/7 20:40	61.6	↓-4.3
12/7 20:50	57.2	↓-4.4	最大潮位差
12/7 21:00	52.9	↓-4.3
12/7 21:10	48.7	↓-4.2
12/7 21:20	44.5	↓-4.2
12/7 21:30	40.4	↓-4.1
12/7 21:40	36.5	↓-3.9
12/7 21:50	32.7	↓-3.8
12/7 22:00	29.1	↓-3.6
12/7 22:10	25.7	↓-3.4
12/7 22:20	22.5	↓-3.2
12/7 22:30	19.6	↓-2.9
12/7 22:40	16.9	↓-2.7
12/7 22:50	14.5	↓-2.4
12/7 23:00	12.3	↓-2.2
12/7 23:10	10.5	↓-1.8
12/7 23:20	9.0	↓-1.5
12/7 23:30	7.7	↓-1.3
12/7 23:40	6.8	↓-0.9
12/7 23:50	6.3	↓-0.5