22 (金)	08:33	01:17	19:19	14:14
	116cm	29cm	99cm	76cm
小潮 出 06:46 入 16:28 出 10:27 入 22:32

那珂湊（茨城）2028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	35.2	↓-1.8
12/22 00:10	33.6	↓-1.6
12/22 00:20	32.2	↓-1.4
12/22 00:30	31.0	↓-1.2
12/22 00:40	30.0	↓-1.0
12/22 00:50	29.3	↓-0.7
12/22 01:00	28.8	↓-0.5
12/22 01:10	28.6	↓-0.2	干潮
12/22 01:20	28.6	0
12/22 01:30	28.8	↑0.2
12/22 01:40	29.2	↑0.4
12/22 01:50	29.9	↑0.7
12/22 02:00	30.8	↑0.9
12/22 02:10	31.9	↑1.1
12/22 02:20	33.2	↑1.3
12/22 02:30	34.7	↑1.5
12/22 02:40	36.5	↑1.8
12/22 02:50	38.3	↑1.8
12/22 03:00	40.4	↑2.1
12/22 03:10	42.6	↑2.2
12/22 03:20	45.0	↑2.4
12/22 03:30	47.5	↑2.5
12/22 03:40	50.1	↑2.6
12/22 03:50	52.9	↑2.8
12/22 04:00	55.7	↑2.8
12/22 04:10	58.7	↑3.0
12/22 04:20	61.7	↑3.0
12/22 04:30	64.7	↑3.0
12/22 04:40	67.8	↑3.1
12/22 04:50	70.9	↑3.1
12/22 05:00	74.1	↑3.2	最大潮位差
12/22 05:10	77.2	↑3.1
12/22 05:20	80.3	↑3.1
12/22 05:30	83.4	↑3.1
12/22 05:40	86.4	↑3.0
12/22 05:50	89.4	↑3.0
12/22 06:00	92.2	↑2.8
12/22 06:10	95.0	↑2.8
12/22 06:20	97.6	↑2.6
12/22 06:30	100.1	↑2.5
12/22 06:40	102.5	↑2.4
12/22 06:50	104.7	↑2.2
12/22 07:00	106.7	↑2.0
12/22 07:10	108.6	↑1.9
12/22 07:20	110.2	↑1.6
12/22 07:30	111.7	↑1.5
12/22 07:40	112.9	↑1.2
12/22 07:50	113.9	↑1.0
12/22 08:00	114.7	↑0.8
12/22 08:10	115.3	↑0.6
12/22 08:20	115.7	↑0.4
12/22 08:30	115.8	↑0.1	満潮
12/22 08:40	115.7	↓-0.1
12/22 08:50	115.4	↓-0.3
12/22 09:00	115.0	↓-0.4
12/22 09:10	114.3	↓-0.7
12/22 09:20	113.4	↓-0.9
12/22 09:30	112.4	↓-1.0
12/22 09:40	111.2	↓-1.2
12/22 09:50	109.8	↓-1.4
12/22 10:00	108.4	↓-1.4
12/22 10:10	106.8	↓-1.6
12/22 10:20	105.1	↓-1.7
12/22 10:30	103.4	↓-1.7
12/22 10:40	101.6	↓-1.8
12/22 10:50	99.7	↓-1.9
12/22 11:00	97.9	↓-1.8
12/22 11:10	96.0	↓-1.9
12/22 11:20	94.2	↓-1.8
12/22 11:30	92.3	↓-1.9
12/22 11:40	90.5	↓-1.8
12/22 11:50	88.8	↓-1.7
12/22 12:00	87.2	↓-1.6
12/22 12:10	85.6	↓-1.6
12/22 12:20	84.1	↓-1.5
12/22 12:30	82.7	↓-1.4
12/22 12:40	81.5	↓-1.2
12/22 12:50	80.3	↓-1.2
12/22 13:00	79.3	↓-1.0
12/22 13:10	78.4	↓-0.9
12/22 13:20	77.6	↓-0.8
12/22 13:30	77.0	↓-0.6
12/22 13:40	76.5	↓-0.5
12/22 13:50	76.1	↓-0.4
12/22 14:00	75.9	↓-0.2
12/22 14:10	75.8	↓-0.1	干潮
12/22 14:20	75.8	0
12/22 14:30	75.9	↑0.1
12/22 14:40	76.2	↑0.3
12/22 14:50	76.6	↑0.4
12/22 15:00	77.0	↑0.4
12/22 15:10	77.6	↑0.6
12/22 15:20	78.3	↑0.7
12/22 15:30	79.0	↑0.7
12/22 15:40	79.9	↑0.9
12/22 15:50	80.8	↑0.9
12/22 16:00	81.7	↑0.9
12/22 16:10	82.8	↑1.1
12/22 16:20	83.8	↑1.0
12/22 16:30	84.9	↑1.1
12/22 16:40	86.0	↑1.1
12/22 16:50	87.2	↑1.2
12/22 17:00	88.3	↑1.1
12/22 17:10	89.5	↑1.2
12/22 17:20	90.6	↑1.1
12/22 17:30	91.7	↑1.1
12/22 17:40	92.7	↑1.0
12/22 17:50	93.7	↑1.0
12/22 18:00	94.7	↑1.0
12/22 18:10	95.5	↑0.8
12/22 18:20	96.3	↑0.8
12/22 18:30	97.0	↑0.7
12/22 18:40	97.6	↑0.6
12/22 18:50	98.0	↑0.4
12/22 19:00	98.3	↑0.3
12/22 19:10	98.5	↑0.2	満潮
12/22 19:20	98.6	↑0.1
12/22 19:30	98.4	↓-0.2
12/22 19:40	98.2	↓-0.2
12/22 19:50	97.7	↓-0.5
12/22 20:00	97.1	↓-0.6
12/22 20:10	96.4	↓-0.7
12/22 20:20	95.4	↓-1.0
12/22 20:30	94.3	↓-1.1
12/22 20:40	93.0	↓-1.3
12/22 20:50	91.6	↓-1.4
12/22 21:00	90.0	↓-1.6
12/22 21:10	88.3	↓-1.7
12/22 21:20	86.4	↓-1.9
12/22 21:30	84.4	↓-2.0
12/22 21:40	82.3	↓-2.1
12/22 21:50	80.1	↓-2.2
12/22 22:00	77.8	↓-2.3
12/22 22:10	75.4	↓-2.4
12/22 22:20	73.0	↓-2.4
12/22 22:30	70.6	↓-2.4
12/22 22:40	68.1	↓-2.5
12/22 22:50	65.6	↓-2.5
12/22 23:00	63.2	↓-2.4
12/22 23:10	60.8	↓-2.4
12/22 23:20	58.4	↓-2.4
12/22 23:30	56.2	↓-2.2
12/22 23:40	54.0	↓-2.2
12/22 23:50	51.9	↓-2.1