31 (土)	10:24	03:34	22:59	17:13
	112cm	51cm	92cm	56cm
小潮 出 06:49 入 16:34 出 12:07 入 00:16

那珂湊（茨城）2022年12月31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
12/31 00:00	77.4	↓-1.9
12/31 00:10	75.5	↓-1.9
12/31 00:20	73.5	↓-2.0
12/31 00:30	71.6	↓-1.9
12/31 00:40	69.7	↓-1.9
12/31 00:50	67.8	↓-1.9
12/31 01:00	66.0	↓-1.8
12/31 01:10	64.2	↓-1.8
12/31 01:20	62.5	↓-1.7
12/31 01:30	60.8	↓-1.7
12/31 01:40	59.3	↓-1.5
12/31 01:50	57.8	↓-1.5
12/31 02:00	56.4	↓-1.4
12/31 02:10	55.2	↓-1.2
12/31 02:20	54.1	↓-1.1
12/31 02:30	53.1	↓-1.0
12/31 02:40	52.2	↓-0.9
12/31 02:50	51.5	↓-0.7
12/31 03:00	51.0	↓-0.5
12/31 03:10	50.5	↓-0.5
12/31 03:20	50.3	↓-0.2
12/31 03:30	50.2	↓-0.1	干潮
12/31 03:40	50.2	0
12/31 03:50	50.4	↑0.2
12/31 04:00	50.7	↑0.3
12/31 04:10	51.2	↑0.5
12/31 04:20	51.9	↑0.7
12/31 04:30	52.7	↑0.8
12/31 04:40	53.6	↑0.9
12/31 04:50	54.7	↑1.1
12/31 05:00	56.0	↑1.3
12/31 05:10	57.4	↑1.4
12/31 05:20	58.9	↑1.5
12/31 05:30	60.5	↑1.6
12/31 05:40	62.3	↑1.8
12/31 05:50	64.1	↑1.8
12/31 06:00	66.1	↑2.0
12/31 06:10	68.2	↑2.1
12/31 06:20	70.3	↑2.1
12/31 06:30	72.5	↑2.2
12/31 06:40	74.8	↑2.3
12/31 06:50	77.1	↑2.3
12/31 07:00	79.5	↑2.4	最大潮位差
12/31 07:10	81.8	↑2.3
12/31 07:20	84.2	↑2.4	最大潮位差
12/31 07:30	86.6	↑2.4	最大潮位差
12/31 07:40	88.9	↑2.3
12/31 07:50	91.2	↑2.3
12/31 08:00	93.5	↑2.3
12/31 08:10	95.6	↑2.1
12/31 08:20	97.7	↑2.1
12/31 08:30	99.7	↑2.0
12/31 08:40	101.5	↑1.8
12/31 08:50	103.3	↑1.8
12/31 09:00	104.9	↑1.6
12/31 09:10	106.3	↑1.4
12/31 09:20	107.6	↑1.3
12/31 09:30	108.7	↑1.1
12/31 09:40	109.6	↑0.9
12/31 09:50	110.3	↑0.7
12/31 10:00	110.9	↑0.6
12/31 10:10	111.2	↑0.3
12/31 10:20	111.4	↑0.2	満潮
12/31 10:30	111.4	0
12/31 10:40	111.1	↓-0.3
12/31 10:50	110.7	↓-0.4
12/31 11:00	110.1	↓-0.6
12/31 11:10	109.3	↓-0.8
12/31 11:20	108.4	↓-0.9
12/31 11:30	107.2	↓-1.2
12/31 11:40	106.0	↓-1.2
12/31 11:50	104.6	↓-1.4
12/31 12:00	103.0	↓-1.6
12/31 12:10	101.3	↓-1.7
12/31 12:20	99.6	↓-1.7
12/31 12:30	97.7	↓-1.9
12/31 12:40	95.8	↓-1.9
12/31 12:50	93.8	↓-2.0
12/31 13:00	91.7	↓-2.1
12/31 13:10	89.6	↓-2.1
12/31 13:20	87.5	↓-2.1
12/31 13:30	85.4	↓-2.1
12/31 13:40	83.2	↓-2.2
12/31 13:50	81.1	↓-2.1
12/31 14:00	79.0	↓-2.1
12/31 14:10	77.0	↓-2.0
12/31 14:20	75.0	↓-2.0
12/31 14:30	73.0	↓-2.0
12/31 14:40	71.1	↓-1.9
12/31 14:50	69.3	↓-1.8
12/31 15:00	67.6	↓-1.7
12/31 15:10	66.0	↓-1.6
12/31 15:20	64.4	↓-1.6
12/31 15:30	63.0	↓-1.4
12/31 15:40	61.7	↓-1.3
12/31 15:50	60.5	↓-1.2
12/31 16:00	59.5	↓-1.0
12/31 16:10	58.5	↓-1.0
12/31 16:20	57.7	↓-0.8
12/31 16:30	57.1	↓-0.6
12/31 16:40	56.5	↓-0.6
12/31 16:50	56.1	↓-0.4
12/31 17:00	55.9	↓-0.2
12/31 17:10	55.8	↓-0.1	干潮
12/31 17:20	55.8	0
12/31 17:30	56.0	↑0.2
12/31 17:40	56.4	↑0.4
12/31 17:50	56.8	↑0.4
12/31 18:00	57.4	↑0.6
12/31 18:10	58.2	↑0.8
12/31 18:20	59.0	↑0.8
12/31 18:30	60.0	↑1.0
12/31 18:40	61.1	↑1.1
12/31 18:50	62.3	↑1.2
12/31 19:00	63.6	↑1.3
12/31 19:10	65.0	↑1.4
12/31 19:20	66.4	↑1.4
12/31 19:30	67.9	↑1.5
12/31 19:40	69.5	↑1.6
12/31 19:50	71.1	↑1.6
12/31 20:00	72.7	↑1.6
12/31 20:10	74.3	↑1.6
12/31 20:20	75.9	↑1.6
12/31 20:30	77.5	↑1.6
12/31 20:40	79.1	↑1.6
12/31 20:50	80.6	↑1.5
12/31 21:00	82.1	↑1.5
12/31 21:10	83.5	↑1.4
12/31 21:20	84.8	↑1.3
12/31 21:30	86.0	↑1.2
12/31 21:40	87.1	↑1.1
12/31 21:50	88.1	↑1.0
12/31 22:00	89.0	↑0.9
12/31 22:10	89.7	↑0.7
12/31 22:20	90.3	↑0.6
12/31 22:30	90.8	↑0.5
12/31 22:40	91.1	↑0.3
12/31 22:50	91.3	↑0.2	満潮
12/31 23:00	91.4	↑0.1
12/31 23:10	91.3	↓-0.1
12/31 23:20	91.0	↓-0.3
12/31 23:30	90.7	↓-0.3
12/31 23:40	90.2	↓-0.5
12/31 23:50	89.6	↓-0.6