22 (月)	09:55	03:08	23:24	17:09
	121cm	61cm	90cm	55cm
小潮 出 06:46 入 16:28 出 12:01 入 00:17

大洗（茨城）2031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	79.1	↓-1.5
12/22 00:10	77.7	↓-1.4
12/22 00:20	76.3	↓-1.4
12/22 00:30	74.8	↓-1.5
12/22 00:40	73.4	↓-1.4
12/22 00:50	72.0	↓-1.4
12/22 01:00	70.7	↓-1.3
12/22 01:10	69.4	↓-1.3
12/22 01:20	68.2	↓-1.2
12/22 01:30	67.0	↓-1.2
12/22 01:40	65.9	↓-1.1
12/22 01:50	64.9	↓-1.0
12/22 02:00	63.9	↓-1.0
12/22 02:10	63.1	↓-0.8
12/22 02:20	62.4	↓-0.7
12/22 02:30	61.8	↓-0.6
12/22 02:40	61.4	↓-0.4
12/22 02:50	61.0	↓-0.4
12/22 03:00	60.9	↓-0.1	干潮
12/22 03:10	60.8	↓-0.1
12/22 03:20	61.0	↑0.2
12/22 03:30	61.3	↑0.3
12/22 03:40	61.7	↑0.4
12/22 03:50	62.4	↑0.7
12/22 04:00	63.2	↑0.8
12/22 04:10	64.1	↑0.9
12/22 04:20	65.2	↑1.1
12/22 04:30	66.5	↑1.3
12/22 04:40	67.9	↑1.4
12/22 04:50	69.5	↑1.6
12/22 05:00	71.2	↑1.7
12/22 05:10	73.0	↑1.8
12/22 05:20	74.9	↑1.9
12/22 05:30	76.9	↑2.0
12/22 05:40	79.0	↑2.1
12/22 05:50	81.2	↑2.2
12/22 06:00	83.4	↑2.2
12/22 06:10	85.6	↑2.2
12/22 06:20	87.9	↑2.3
12/22 06:30	90.2	↑2.3
12/22 06:40	92.5	↑2.3
12/22 06:50	94.8	↑2.3
12/22 07:00	97.0	↑2.2
12/22 07:10	99.3	↑2.3
12/22 07:20	101.4	↑2.1
12/22 07:30	103.5	↑2.1
12/22 07:40	105.5	↑2.0
12/22 07:50	107.4	↑1.9
12/22 08:00	109.3	↑1.9
12/22 08:10	111.0	↑1.7
12/22 08:20	112.6	↑1.6
12/22 08:30	114.1	↑1.5
12/22 08:40	115.4	↑1.3
12/22 08:50	116.6	↑1.2
12/22 09:00	117.6	↑1.0
12/22 09:10	118.4	↑0.8
12/22 09:20	119.1	↑0.7
12/22 09:30	119.7	↑0.6
12/22 09:40	120.0	↑0.3
12/22 09:50	120.2	↑0.2	満潮
12/22 10:00	120.2	0
12/22 10:10	120.0	↓-0.2
12/22 10:20	119.6	↓-0.4
12/22 10:30	119.1	↓-0.5
12/22 10:40	118.4	↓-0.7
12/22 10:50	117.5	↓-0.9
12/22 11:00	116.5	↓-1.0
12/22 11:10	115.3	↓-1.2
12/22 11:20	114.0	↓-1.3
12/22 11:30	112.6	↓-1.4
12/22 11:40	111.0	↓-1.6
12/22 11:50	109.3	↓-1.7
12/22 12:00	107.5	↓-1.8
12/22 12:10	105.6	↓-1.9
12/22 12:20	103.6	↓-2.0
12/22 12:30	101.5	↓-2.1
12/22 12:40	99.4	↓-2.1
12/22 12:50	97.2	↓-2.2
12/22 13:00	94.9	↓-2.3
12/22 13:10	92.6	↓-2.3
12/22 13:20	90.2	↓-2.4	最大潮位差
12/22 13:30	87.9	↓-2.3
12/22 13:40	85.5	↓-2.4	最大潮位差
12/22 13:50	83.1	↓-2.4	最大潮位差
12/22 14:00	80.7	↓-2.4	最大潮位差
12/22 14:10	78.4	↓-2.3
12/22 14:20	76.1	↓-2.3
12/22 14:30	73.8	↓-2.3
12/22 14:40	71.6	↓-2.2
12/22 14:50	69.5	↓-2.1
12/22 15:00	67.5	↓-2.0
12/22 15:10	65.6	↓-1.9
12/22 15:20	63.8	↓-1.8
12/22 15:30	62.1	↓-1.7
12/22 15:40	60.6	↓-1.5
12/22 15:50	59.2	↓-1.4
12/22 16:00	57.9	↓-1.3
12/22 16:10	56.9	↓-1.0
12/22 16:20	56.0	↓-0.9
12/22 16:30	55.2	↓-0.8
12/22 16:40	54.7	↓-0.5
12/22 16:50	54.3	↓-0.4
12/22 17:00	54.1	↓-0.2	干潮
12/22 17:10	54.0	↓-0.1
12/22 17:20	54.2	↑0.2
12/22 17:30	54.4	↑0.2
12/22 17:40	54.9	↑0.5
12/22 17:50	55.4	↑0.5
12/22 18:00	56.1	↑0.7
12/22 18:10	56.9	↑0.8
12/22 18:20	57.9	↑1.0
12/22 18:30	58.9	↑1.0
12/22 18:40	60.1	↑1.2
12/22 18:50	61.3	↑1.2
12/22 19:00	62.6	↑1.3
12/22 19:10	63.9	↑1.3
12/22 19:20	65.3	↑1.4
12/22 19:30	66.7	↑1.4
12/22 19:40	68.2	↑1.5
12/22 19:50	69.7	↑1.5
12/22 20:00	71.2	↑1.5
12/22 20:10	72.7	↑1.5
12/22 20:20	74.2	↑1.5
12/22 20:30	75.6	↑1.4
12/22 20:40	77.0	↑1.4
12/22 20:50	78.4	↑1.4
12/22 21:00	79.8	↑1.4
12/22 21:10	81.0	↑1.2
12/22 21:20	82.2	↑1.2
12/22 21:30	83.3	↑1.1
12/22 21:40	84.4	↑1.1
12/22 21:50	85.3	↑0.9
12/22 22:00	86.2	↑0.9
12/22 22:10	86.9	↑0.7
12/22 22:20	87.6	↑0.7
12/22 22:30	88.1	↑0.5
12/22 22:40	88.6	↑0.5
12/22 22:50	88.9	↑0.3
12/22 23:00	89.2	↑0.3
12/22 23:10	89.3	↑0.1
12/22 23:20	89.4	↑0.1	満潮
12/22 23:30	89.4	0
12/22 23:40	89.3	↓-0.1
12/22 23:50	89.1	↓-0.2