22 (月)	10:08	03:19	23:02	17:07
	116cm	55cm	92cm	53cm
小潮 出 06:46 入 16:28 出 12:01 入 00:17

那珂湊（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	78.2	↓-1.8
12/22 00:10	76.4	↓-1.8
12/22 00:20	74.6	↓-1.8
12/22 00:30	72.8	↓-1.8
12/22 00:40	71.0	↓-1.8
12/22 00:50	69.2	↓-1.8
12/22 01:00	67.5	↓-1.7
12/22 01:10	65.9	↓-1.6
12/22 01:20	64.3	↓-1.6
12/22 01:30	62.8	↓-1.5
12/22 01:40	61.4	↓-1.4
12/22 01:50	60.2	↓-1.2
12/22 02:00	59.0	↓-1.2
12/22 02:10	58.0	↓-1.0
12/22 02:20	57.1	↓-0.9
12/22 02:30	56.3	↓-0.8
12/22 02:40	55.7	↓-0.6
12/22 02:50	55.2	↓-0.5
12/22 03:00	54.8	↓-0.4
12/22 03:10	54.6	↓-0.2	干潮
12/22 03:20	54.6	0
12/22 03:30	54.7	↑0.1
12/22 03:40	55.0	↑0.3
12/22 03:50	55.4	↑0.4
12/22 04:00	56.0	↑0.6
12/22 04:10	56.7	↑0.7
12/22 04:20	57.5	↑0.8
12/22 04:30	58.5	↑1.0
12/22 04:40	59.7	↑1.2
12/22 04:50	61.0	↑1.3
12/22 05:00	62.4	↑1.4
12/22 05:10	63.9	↑1.5
12/22 05:20	65.6	↑1.7
12/22 05:30	67.4	↑1.8
12/22 05:40	69.2	↑1.8
12/22 05:50	71.2	↑2.0
12/22 06:00	73.3	↑2.1
12/22 06:10	75.4	↑2.1
12/22 06:20	77.6	↑2.2
12/22 06:30	79.9	↑2.3
12/22 06:40	82.2	↑2.3
12/22 06:50	84.5	↑2.3
12/22 07:00	86.8	↑2.3
12/22 07:10	89.2	↑2.4	最大潮位差
12/22 07:20	91.5	↑2.3
12/22 07:30	93.8	↑2.3
12/22 07:40	96.1	↑2.3
12/22 07:50	98.3	↑2.2
12/22 08:00	100.4	↑2.1
12/22 08:10	102.4	↑2.0
12/22 08:20	104.3	↑1.9
12/22 08:30	106.2	↑1.9
12/22 08:40	107.8	↑1.6
12/22 08:50	109.3	↑1.5
12/22 09:00	110.7	↑1.4
12/22 09:10	111.9	↑1.2
12/22 09:20	112.9	↑1.0
12/22 09:30	113.8	↑0.9
12/22 09:40	114.4	↑0.6
12/22 09:50	114.9	↑0.5
12/22 10:00	115.1	↑0.2	満潮
12/22 10:10	115.1	0
12/22 10:20	115.0	↓-0.1
12/22 10:30	114.6	↓-0.4
12/22 10:40	114.0	↓-0.6
12/22 10:50	113.3	↓-0.7
12/22 11:00	112.3	↓-1.0
12/22 11:10	111.2	↓-1.1
12/22 11:20	109.9	↓-1.3
12/22 11:30	108.5	↓-1.4
12/22 11:40	106.9	↓-1.6
12/22 11:50	105.1	↓-1.8
12/22 12:00	103.2	↓-1.9
12/22 12:10	101.3	↓-1.9
12/22 12:20	99.2	↓-2.1
12/22 12:30	97.0	↓-2.2
12/22 12:40	94.8	↓-2.2
12/22 12:50	92.5	↓-2.3
12/22 13:00	90.2	↓-2.3
12/22 13:10	87.9	↓-2.3
12/22 13:20	85.5	↓-2.4	最大潮位差
12/22 13:30	83.2	↓-2.3
12/22 13:40	80.9	↓-2.3
12/22 13:50	78.6	↓-2.3
12/22 14:00	76.3	↓-2.3
12/22 14:10	74.1	↓-2.2
12/22 14:20	72.0	↓-2.1
12/22 14:30	69.9	↓-2.1
12/22 14:40	67.9	↓-2.0
12/22 14:50	66.0	↓-1.9
12/22 15:00	64.3	↓-1.7
12/22 15:10	62.6	↓-1.7
12/22 15:20	61.0	↓-1.6
12/22 15:30	59.6	↓-1.4
12/22 15:40	58.3	↓-1.3
12/22 15:50	57.1	↓-1.2
12/22 16:00	56.1	↓-1.0
12/22 16:10	55.2	↓-0.9
12/22 16:20	54.4	↓-0.8
12/22 16:30	53.8	↓-0.6
12/22 16:40	53.3	↓-0.5
12/22 16:50	53.0	↓-0.3
12/22 17:00	52.9	↓-0.1	干潮
12/22 17:10	52.8	↓-0.1
12/22 17:20	53.0	↑0.2
12/22 17:30	53.3	↑0.3
12/22 17:40	53.7	↑0.4
12/22 17:50	54.3	↑0.6
12/22 18:00	55.0	↑0.7
12/22 18:10	55.9	↑0.9
12/22 18:20	56.8	↑0.9
12/22 18:30	57.9	↑1.1
12/22 18:40	59.2	↑1.3
12/22 18:50	60.5	↑1.3
12/22 19:00	61.9	↑1.4
12/22 19:10	63.4	↑1.5
12/22 19:20	65.0	↑1.6
12/22 19:30	66.6	↑1.6
12/22 19:40	68.3	↑1.7
12/22 19:50	70.0	↑1.7
12/22 20:00	71.7	↑1.7
12/22 20:10	73.5	↑1.8
12/22 20:20	75.2	↑1.7
12/22 20:30	76.9	↑1.7
12/22 20:40	78.6	↑1.7
12/22 20:50	80.2	↑1.6
12/22 21:00	81.8	↑1.6
12/22 21:10	83.3	↑1.5
12/22 21:20	84.6	↑1.3
12/22 21:30	85.9	↑1.3
12/22 21:40	87.1	↑1.2
12/22 21:50	88.2	↑1.1
12/22 22:00	89.1	↑0.9
12/22 22:10	89.9	↑0.8
12/22 22:20	90.6	↑0.7
12/22 22:30	91.1	↑0.5
12/22 22:40	91.5	↑0.4
12/22 22:50	91.7	↑0.2
12/22 23:00	91.8	↑0.1	満潮
12/22 23:10	91.7	↓-0.1
12/22 23:20	91.6	↓-0.1
12/22 23:30	91.2	↓-0.4
12/22 23:40	90.8	↓-0.4
12/22 23:50	90.2	↓-0.6