22 (土)	00:41	06:06	12:17	19:24
	97cm	66cm	119cm	33cm
中潮 出 06:46 入 16:28 出 02:02 入 13:27

那珂湊（茨城）2057年12月22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
12/22 00:00	95.3	↑0.8
12/22 00:10	95.8	↑0.5
12/22 00:20	96.2	↑0.4
12/22 00:30	96.4	↑0.2
12/22 00:40	96.5	↑0.1	満潮
12/22 00:50	96.4	↓-0.1
12/22 01:00	96.2	↓-0.2
12/22 01:10	95.8	↓-0.4
12/22 01:20	95.3	↓-0.5
12/22 01:30	94.7	↓-0.6
12/22 01:40	93.9	↓-0.8
12/22 01:50	93.0	↓-0.9
12/22 02:00	92.0	↓-1.0
12/22 02:10	90.9	↓-1.1
12/22 02:20	89.7	↓-1.2
12/22 02:30	88.4	↓-1.3
12/22 02:40	87.1	↓-1.3
12/22 02:50	85.7	↓-1.4
12/22 03:00	84.3	↓-1.4
12/22 03:10	82.8	↓-1.5
12/22 03:20	81.4	↓-1.4
12/22 03:30	79.9	↓-1.5
12/22 03:40	78.5	↓-1.4
12/22 03:50	77.0	↓-1.5
12/22 04:00	75.6	↓-1.4
12/22 04:10	74.3	↓-1.3
12/22 04:20	73.0	↓-1.3
12/22 04:30	71.8	↓-1.2
12/22 04:40	70.7	↓-1.1
12/22 04:50	69.6	↓-1.1
12/22 05:00	68.7	↓-0.9
12/22 05:10	67.9	↓-0.8
12/22 05:20	67.2	↓-0.7
12/22 05:30	66.6	↓-0.6
12/22 05:40	66.2	↓-0.4
12/22 05:50	65.9	↓-0.3
12/22 06:00	65.7	↓-0.2	干潮
12/22 06:10	65.7	0
12/22 06:20	65.9	↑0.2
12/22 06:30	66.2	↑0.3
12/22 06:40	66.7	↑0.5
12/22 06:50	67.3	↑0.6
12/22 07:00	68.1	↑0.8
12/22 07:10	69.1	↑1.0
12/22 07:20	70.2	↑1.1
12/22 07:30	71.4	↑1.2
12/22 07:40	72.8	↑1.4
12/22 07:50	74.4	↑1.6
12/22 08:00	76.0	↑1.6
12/22 08:10	77.8	↑1.8
12/22 08:20	79.7	↑1.9
12/22 08:30	81.6	↑1.9
12/22 08:40	83.7	↑2.1
12/22 08:50	85.8	↑2.1
12/22 09:00	88.0	↑2.2
12/22 09:10	90.2	↑2.2
12/22 09:20	92.4	↑2.2
12/22 09:30	94.7	↑2.3
12/22 09:40	96.9	↑2.2
12/22 09:50	99.1	↑2.2
12/22 10:00	101.2	↑2.1
12/22 10:10	103.3	↑2.1
12/22 10:20	105.3	↑2.0
12/22 10:30	107.2	↑1.9
12/22 10:40	109.0	↑1.8
12/22 10:50	110.7	↑1.7
12/22 11:00	112.2	↑1.5
12/22 11:10	113.6	↑1.4
12/22 11:20	114.8	↑1.2
12/22 11:30	115.9	↑1.1
12/22 11:40	116.7	↑0.8
12/22 11:50	117.4	↑0.7
12/22 12:00	117.8	↑0.4
12/22 12:10	118.0	↑0.2	満潮
12/22 12:20	118.0	0
12/22 12:30	117.8	↓-0.2
12/22 12:40	117.4	↓-0.4
12/22 12:50	116.8	↓-0.6
12/22 13:00	115.9	↓-0.9
12/22 13:10	114.9	↓-1.0
12/22 13:20	113.6	↓-1.3
12/22 13:30	112.1	↓-1.5
12/22 13:40	110.4	↓-1.7
12/22 13:50	108.5	↓-1.9
12/22 14:00	106.5	↓-2.0
12/22 14:10	104.2	↓-2.3
12/22 14:20	101.9	↓-2.3
12/22 14:30	99.3	↓-2.6
12/22 14:40	96.7	↓-2.6
12/22 14:50	93.9	↓-2.8
12/22 15:00	91.0	↓-2.9
12/22 15:10	88.0	↓-3.0
12/22 15:20	85.0	↓-3.0
12/22 15:30	81.9	↓-3.1
12/22 15:40	78.7	↓-3.2	最大潮位差
12/22 15:50	75.6	↓-3.1
12/22 16:00	72.4	↓-3.2	最大潮位差
12/22 16:10	69.3	↓-3.1
12/22 16:20	66.1	↓-3.2	最大潮位差
12/22 16:30	63.1	↓-3.0
12/22 16:40	60.1	↓-3.0
12/22 16:50	57.1	↓-3.0
12/22 17:00	54.3	↓-2.8
12/22 17:10	51.6	↓-2.7
12/22 17:20	49.0	↓-2.6
12/22 17:30	46.5	↓-2.5
12/22 17:40	44.3	↓-2.2
12/22 17:50	42.1	↓-2.2
12/22 18:00	40.2	↓-1.9
12/22 18:10	38.5	↓-1.7
12/22 18:20	36.9	↓-1.6
12/22 18:30	35.6	↓-1.3
12/22 18:40	34.5	↓-1.1
12/22 18:50	33.6	↓-0.9
12/22 19:00	32.9	↓-0.7
12/22 19:10	32.5	↓-0.4
12/22 19:20	32.3	↓-0.2	干潮
12/22 19:30	32.4	↑0.1
12/22 19:40	32.7	↑0.3
12/22 19:50	33.2	↑0.5
12/22 20:00	34.0	↑0.8
12/22 20:10	34.9	↑0.9
12/22 20:20	36.1	↑1.2
12/22 20:30	37.5	↑1.4
12/22 20:40	39.2	↑1.7
12/22 20:50	40.9	↑1.7
12/22 21:00	42.9	↑2.0
12/22 21:10	45.1	↑2.2
12/22 21:20	47.3	↑2.2
12/22 21:30	49.8	↑2.5
12/22 21:40	52.3	↑2.5
12/22 21:50	54.9	↑2.6
12/22 22:00	57.6	↑2.7
12/22 22:10	60.4	↑2.8
12/22 22:20	63.2	↑2.8
12/22 22:30	66.1	↑2.9
12/22 22:40	68.9	↑2.8
12/22 22:50	71.8	↑2.9
12/22 23:00	74.6	↑2.8
12/22 23:10	77.4	↑2.8
12/22 23:20	80.1	↑2.7
12/22 23:30	82.7	↑2.6
12/22 23:40	85.2	↑2.5
12/22 23:50	87.6	↑2.4