11 (金)	01:19	06:39	12:55	19:57
	96cm	65cm	122cm	36cm
中潮 出 06:39 入 16:24 出 14:07 入 02:25

那珂湊（茨城）2054年12月11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
12/11 00:00	91.1	↑1.2
12/11 00:10	92.3	↑1.2
12/11 00:20	93.3	↑1.0
12/11 00:30	94.1	↑0.8
12/11 00:40	94.8	↑0.7
12/11 00:50	95.3	↑0.5
12/11 01:00	95.7	↑0.4
12/11 01:10	95.9	↑0.2	満潮
12/11 01:20	95.9	0
12/11 01:30	95.8	↓-0.1
12/11 01:40	95.6	↓-0.2
12/11 01:50	95.2	↓-0.4
12/11 02:00	94.6	↓-0.6
12/11 02:10	93.9	↓-0.7
12/11 02:20	93.1	↓-0.8
12/11 02:30	92.2	↓-0.9
12/11 02:40	91.2	↓-1.0
12/11 02:50	90.0	↓-1.2
12/11 03:00	88.8	↓-1.2
12/11 03:10	87.5	↓-1.3
12/11 03:20	86.2	↓-1.3
12/11 03:30	84.8	↓-1.4
12/11 03:40	83.3	↓-1.5
12/11 03:50	81.8	↓-1.5
12/11 04:00	80.3	↓-1.5
12/11 04:10	78.8	↓-1.5
12/11 04:20	77.4	↓-1.4
12/11 04:30	75.9	↓-1.5
12/11 04:40	74.5	↓-1.4
12/11 04:50	73.1	↓-1.4
12/11 05:00	71.8	↓-1.3
12/11 05:10	70.6	↓-1.2
12/11 05:20	69.5	↓-1.1
12/11 05:30	68.5	↓-1.0
12/11 05:40	67.6	↓-0.9
12/11 05:50	66.8	↓-0.8
12/11 06:00	66.1	↓-0.7
12/11 06:10	65.6	↓-0.5
12/11 06:20	65.2	↓-0.4
12/11 06:30	65.0	↓-0.2	干潮
12/11 06:40	64.9	↓-0.1
12/11 06:50	65.0	↑0.1
12/11 07:00	65.3	↑0.3
12/11 07:10	65.8	↑0.5
12/11 07:20	66.4	↑0.6
12/11 07:30	67.2	↑0.8
12/11 07:40	68.1	↑0.9
12/11 07:50	69.3	↑1.2
12/11 08:00	70.5	↑1.2
12/11 08:10	72.0	↑1.5
12/11 08:20	73.6	↑1.6
12/11 08:30	75.3	↑1.7
12/11 08:40	77.2	↑1.9
12/11 08:50	79.1	↑1.9
12/11 09:00	81.2	↑2.1
12/11 09:10	83.4	↑2.2
12/11 09:20	85.6	↑2.2
12/11 09:30	87.9	↑2.3
12/11 09:40	90.3	↑2.4
12/11 09:50	92.7	↑2.4
12/11 10:00	95.1	↑2.4
12/11 10:10	97.5	↑2.4
12/11 10:20	99.9	↑2.4
12/11 10:30	102.2	↑2.3
12/11 10:40	104.5	↑2.3
12/11 10:50	106.7	↑2.2
12/11 11:00	108.8	↑2.1
12/11 11:10	110.8	↑2.0
12/11 11:20	112.6	↑1.8
12/11 11:30	114.4	↑1.8
12/11 11:40	115.9	↑1.5
12/11 11:50	117.4	↑1.5
12/11 12:00	118.6	↑1.2
12/11 12:10	119.6	↑1.0
12/11 12:20	120.5	↑0.9
12/11 12:30	121.1	↑0.6
12/11 12:40	121.6	↑0.5
12/11 12:50	121.8	↑0.2	満潮
12/11 13:00	121.7	↓-0.1
12/11 13:10	121.5	↓-0.2
12/11 13:20	121.0	↓-0.5
12/11 13:30	120.4	↓-0.6
12/11 13:40	119.4	↓-1.0
12/11 13:50	118.3	↓-1.1
12/11 14:00	117.0	↓-1.3
12/11 14:10	115.4	↓-1.6
12/11 14:20	113.6	↓-1.8
12/11 14:30	111.7	↓-1.9
12/11 14:40	109.6	↓-2.1
12/11 14:50	107.3	↓-2.3
12/11 15:00	104.8	↓-2.5
12/11 15:10	102.2	↓-2.6
12/11 15:20	99.4	↓-2.8
12/11 15:30	96.6	↓-2.8
12/11 15:40	93.6	↓-3.0
12/11 15:50	90.6	↓-3.0
12/11 16:00	87.5	↓-3.1
12/11 16:10	84.3	↓-3.2
12/11 16:20	81.1	↓-3.2
12/11 16:30	77.9	↓-3.2
12/11 16:40	74.6	↓-3.3	最大潮位差
12/11 16:50	71.4	↓-3.2
12/11 17:00	68.3	↓-3.1
12/11 17:10	65.2	↓-3.1
12/11 17:20	62.2	↓-3.0
12/11 17:30	59.2	↓-3.0
12/11 17:40	56.4	↓-2.8
12/11 17:50	53.7	↓-2.7
12/11 18:00	51.1	↓-2.6
12/11 18:10	48.7	↓-2.4
12/11 18:20	46.5	↓-2.2
12/11 18:30	44.5	↓-2.0
12/11 18:40	42.6	↓-1.9
12/11 18:50	41.0	↓-1.6
12/11 19:00	39.5	↓-1.5
12/11 19:10	38.3	↓-1.2
12/11 19:20	37.3	↓-1.0
12/11 19:30	36.6	↓-0.7
12/11 19:40	36.1	↓-0.5
12/11 19:50	35.8	↓-0.3	干潮
12/11 20:00	35.8	0
12/11 20:10	36.1	↑0.3
12/11 20:20	36.5	↑0.4
12/11 20:30	37.2	↑0.7
12/11 20:40	38.1	↑0.9
12/11 20:50	39.3	↑1.2
12/11 21:00	40.6	↑1.3
12/11 21:10	42.2	↑1.6
12/11 21:20	44.0	↑1.8
12/11 21:30	45.9	↑1.9
12/11 21:40	48.0	↑2.1
12/11 21:50	50.2	↑2.2
12/11 22:00	52.6	↑2.4
12/11 22:10	55.0	↑2.4
12/11 22:20	57.6	↑2.6
12/11 22:30	60.3	↑2.7
12/11 22:40	63.0	↑2.7
12/11 22:50	65.7	↑2.7
12/11 23:00	68.5	↑2.8
12/11 23:10	71.3	↑2.8
12/11 23:20	74.0	↑2.7
12/11 23:30	76.7	↑2.7
12/11 23:40	79.4	↑2.7
12/11 23:50	82.0	↑2.6