11 (土)	10:23	02:46	20:44	16:19
	115cm	30cm	99cm	85cm
小潮 出 06:39 入 16:24 出 12:17 入 23:52

那珂湊（茨城）2021年12月11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
12/11 00:00	53.8	↓-2.7
12/11 00:10	51.2	↓-2.6
12/11 00:20	48.6	↓-2.6
12/11 00:30	46.2	↓-2.4
12/11 00:40	43.9	↓-2.3
12/11 00:50	41.8	↓-2.1
12/11 01:00	39.8	↓-2.0
12/11 01:10	37.9	↓-1.9
12/11 01:20	36.2	↓-1.7
12/11 01:30	34.7	↓-1.5
12/11 01:40	33.3	↓-1.4
12/11 01:50	32.2	↓-1.1
12/11 02:00	31.2	↓-1.0
12/11 02:10	30.4	↓-0.8
12/11 02:20	29.8	↓-0.6
12/11 02:30	29.4	↓-0.4
12/11 02:40	29.2	↓-0.2	干潮
12/11 02:50	29.2	0
12/11 03:00	29.4	↑0.2
12/11 03:10	29.8	↑0.4
12/11 03:20	30.4	↑0.6
12/11 03:30	31.2	↑0.8
12/11 03:40	32.1	↑0.9
12/11 03:50	33.3	↑1.2
12/11 04:00	34.6	↑1.3
12/11 04:10	36.1	↑1.5
12/11 04:20	37.7	↑1.6
12/11 04:30	39.5	↑1.8
12/11 04:40	41.5	↑2.0
12/11 04:50	43.6	↑2.1
12/11 05:00	45.8	↑2.2
12/11 05:10	48.2	↑2.4
12/11 05:20	50.7	↑2.5
12/11 05:30	53.3	↑2.6
12/11 05:40	56.0	↑2.7
12/11 05:50	58.8	↑2.8
12/11 06:00	61.6	↑2.8
12/11 06:10	64.5	↑2.9
12/11 06:20	67.5	↑3.0	最大潮位差
12/11 06:30	70.5	↑3.0	最大潮位差
12/11 06:40	73.5	↑3.0	最大潮位差
12/11 06:50	76.4	↑2.9
12/11 07:00	79.4	↑3.0	最大潮位差
12/11 07:10	82.3	↑2.9
12/11 07:20	85.2	↑2.9
12/11 07:30	88.0	↑2.8
12/11 07:40	90.7	↑2.7
12/11 07:50	93.4	↑2.7
12/11 08:00	95.9	↑2.5
12/11 08:10	98.3	↑2.4
12/11 08:20	100.5	↑2.2
12/11 08:30	102.6	↑2.1
12/11 08:40	104.6	↑2.0
12/11 08:50	106.3	↑1.7
12/11 09:00	107.9	↑1.6
12/11 09:10	109.3	↑1.4
12/11 09:20	110.6	↑1.3
12/11 09:30	111.6	↑1.0
12/11 09:40	112.5	↑0.9
12/11 09:50	113.2	↑0.7
12/11 10:00	113.6	↑0.4
12/11 10:10	113.9	↑0.3
12/11 10:20	114.0	↑0.1	満潮
12/11 10:30	114.0	0
12/11 10:40	113.8	↓-0.2
12/11 10:50	113.4	↓-0.4
12/11 11:00	112.9	↓-0.5
12/11 11:10	112.3	↓-0.6
12/11 11:20	111.5	↓-0.8
12/11 11:30	110.6	↓-0.9
12/11 11:40	109.6	↓-1.0
12/11 11:50	108.6	↓-1.0
12/11 12:00	107.5	↓-1.1
12/11 12:10	106.3	↓-1.2
12/11 12:20	105.0	↓-1.3
12/11 12:30	103.8	↓-1.2
12/11 12:40	102.5	↓-1.3
12/11 12:50	101.2	↓-1.3
12/11 13:00	99.9	↓-1.3
12/11 13:10	98.6	↓-1.3
12/11 13:20	97.3	↓-1.3
12/11 13:30	96.1	↓-1.2
12/11 13:40	94.8	↓-1.3
12/11 13:50	93.7	↓-1.1
12/11 14:00	92.6	↓-1.1
12/11 14:10	91.5	↓-1.1
12/11 14:20	90.5	↓-1.0
12/11 14:30	89.6	↓-0.9
12/11 14:40	88.7	↓-0.9
12/11 14:50	88.0	↓-0.7
12/11 15:00	87.3	↓-0.7
12/11 15:10	86.6	↓-0.7
12/11 15:20	86.1	↓-0.5
12/11 15:30	85.6	↓-0.5
12/11 15:40	85.3	↓-0.3
12/11 15:50	85.0	↓-0.3
12/11 16:00	84.8	↓-0.2
12/11 16:10	84.7	↓-0.1	干潮
12/11 16:20	84.7	0
12/11 16:30	84.7	0
12/11 16:40	84.9	↑0.2
12/11 16:50	85.1	↑0.2
12/11 17:00	85.4	↑0.3
12/11 17:10	85.8	↑0.4
12/11 17:20	86.2	↑0.4
12/11 17:30	86.8	↑0.6
12/11 17:40	87.3	↑0.5
12/11 17:50	88.0	↑0.7
12/11 18:00	88.7	↑0.7
12/11 18:10	89.4	↑0.7
12/11 18:20	90.2	↑0.8
12/11 18:30	90.9	↑0.7
12/11 18:40	91.7	↑0.8
12/11 18:50	92.5	↑0.8
12/11 19:00	93.3	↑0.8
12/11 19:10	94.1	↑0.8
12/11 19:20	94.9	↑0.8
12/11 19:30	95.6	↑0.7
12/11 19:40	96.2	↑0.6
12/11 19:50	96.8	↑0.6
12/11 20:00	97.3	↑0.5
12/11 20:10	97.7	↑0.4
12/11 20:20	98.1	↑0.4
12/11 20:30	98.3	↑0.2
12/11 20:40	98.4	↑0.1	満潮
12/11 20:50	98.4	0
12/11 21:00	98.2	↓-0.2
12/11 21:10	97.9	↓-0.3
12/11 21:20	97.5	↓-0.4
12/11 21:30	96.9	↓-0.6
12/11 21:40	96.2	↓-0.7
12/11 21:50	95.3	↓-0.9
12/11 22:00	94.3	↓-1.0
12/11 22:10	93.2	↓-1.1
12/11 22:20	91.9	↓-1.3
12/11 22:30	90.5	↓-1.4
12/11 22:40	88.9	↓-1.6
12/11 22:50	87.3	↓-1.6
12/11 23:00	85.5	↓-1.8
12/11 23:10	83.6	↓-1.9
12/11 23:20	81.7	↓-1.9
12/11 23:30	79.7	↓-2.0
12/11 23:40	77.6	↓-2.1
12/11 23:50	75.5	↓-2.1