14 (月)	04:19	09:19	14:38	21:54
	124cm	83cm	130cm	-4cm
大潮 出 06:41 入 16:25 出 05:54 入 15:57

那珂湊（茨城）2020年12月14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
12/14 00:00	48.2	↑4.3
12/14 00:10	52.5	↑4.3
12/14 00:20	56.9	↑4.4
12/14 00:30	61.3	↑4.4
12/14 00:40	65.7	↑4.4
12/14 00:50	70.0	↑4.3
12/14 01:00	74.4	↑4.4
12/14 01:10	78.7	↑4.3
12/14 01:20	82.8	↑4.1
12/14 01:30	86.9	↑4.1
12/14 01:40	90.8	↑3.9
12/14 01:50	94.6	↑3.8
12/14 02:00	98.2	↑3.6
12/14 02:10	101.6	↑3.4
12/14 02:20	104.8	↑3.2
12/14 02:30	107.8	↑3.0
12/14 02:40	110.6	↑2.8
12/14 02:50	113.1	↑2.5
12/14 03:00	115.3	↑2.2
12/14 03:10	117.3	↑2.0
12/14 03:20	119.0	↑1.7
12/14 03:30	120.5	↑1.5
12/14 03:40	121.7	↑1.2
12/14 03:50	122.5	↑0.8
12/14 04:00	123.2	↑0.7
12/14 04:10	123.5	↑0.3	満潮
12/14 04:20	123.6	↑0.1
12/14 04:30	123.4	↓-0.2
12/14 04:40	122.9	↓-0.5
12/14 04:50	122.3	↓-0.6
12/14 05:00	121.4	↓-0.9
12/14 05:10	120.3	↓-1.1
12/14 05:20	118.9	↓-1.4
12/14 05:30	117.5	↓-1.4
12/14 05:40	115.8	↓-1.7
12/14 05:50	114.0	↓-1.8
12/14 06:00	112.1	↓-1.9
12/14 06:10	110.1	↓-2.0
12/14 06:20	108.1	↓-2.0
12/14 06:30	106.0	↓-2.1
12/14 06:40	103.8	↓-2.2
12/14 06:50	101.7	↓-2.1
12/14 07:00	99.5	↓-2.2
12/14 07:10	97.4	↓-2.1
12/14 07:20	95.4	↓-2.0
12/14 07:30	93.4	↓-2.0
12/14 07:40	91.6	↓-1.8
12/14 07:50	89.9	↓-1.7
12/14 08:00	88.3	↓-1.6
12/14 08:10	86.8	↓-1.5
12/14 08:20	85.6	↓-1.2
12/14 08:30	84.5	↓-1.1
12/14 08:40	83.6	↓-0.9
12/14 08:50	82.9	↓-0.7
12/14 09:00	82.4	↓-0.5
12/14 09:10	82.1	↓-0.3	干潮
12/14 09:20	82.1	0
12/14 09:30	82.2	↑0.1
12/14 09:40	82.6	↑0.4
12/14 09:50	83.2	↑0.6
12/14 10:00	84.0	↑0.8
12/14 10:10	85.0	↑1.0
12/14 10:20	86.2	↑1.2
12/14 10:30	87.5	↑1.3
12/14 10:40	89.1	↑1.6
12/14 10:50	90.8	↑1.7
12/14 11:00	92.6	↑1.8
12/14 11:10	94.6	↑2.0
12/14 11:20	96.6	↑2.0
12/14 11:30	98.8	↑2.2
12/14 11:40	101.0	↑2.2
12/14 11:50	103.3	↑2.3
12/14 12:00	105.6	↑2.3
12/14 12:10	108.0	↑2.4
12/14 12:20	110.3	↑2.3
12/14 12:30	112.5	↑2.2
12/14 12:40	114.8	↑2.3
12/14 12:50	116.9	↑2.1
12/14 13:00	119.0	↑2.1
12/14 13:10	120.9	↑1.9
12/14 13:20	122.7	↑1.8
12/14 13:30	124.3	↑1.6
12/14 13:40	125.8	↑1.5
12/14 13:50	127.0	↑1.2
12/14 14:00	128.1	↑1.1
12/14 14:10	128.9	↑0.8
12/14 14:20	129.5	↑0.6
12/14 14:30	129.8	↑0.3	満潮
12/14 14:40	129.9	↑0.1
12/14 14:50	129.7	↓-0.2
12/14 15:00	129.2	↓-0.5
12/14 15:10	128.4	↓-0.8
12/14 15:20	127.3	↓-1.1
12/14 15:30	126.0	↓-1.3
12/14 15:40	124.3	↓-1.7
12/14 15:50	122.3	↓-2.0
12/14 16:00	120.0	↓-2.3
12/14 16:10	117.5	↓-2.5
12/14 16:20	114.7	↓-2.8
12/14 16:30	111.5	↓-3.2
12/14 16:40	108.2	↓-3.3
12/14 16:50	104.6	↓-3.6
12/14 17:00	100.7	↓-3.9
12/14 17:10	96.6	↓-4.1
12/14 17:20	92.4	↓-4.2
12/14 17:30	87.9	↓-4.5
12/14 17:40	83.3	↓-4.6
12/14 17:50	78.6	↓-4.7
12/14 18:00	73.8	↓-4.8
12/14 18:10	68.9	↓-4.9
12/14 18:20	64.0	↓-4.9
12/14 18:30	59.0	↓-5.0	最大潮位差
12/14 18:40	54.0	↓-5.0	最大潮位差
12/14 18:50	49.1	↓-4.9
12/14 19:00	44.3	↓-4.8
12/14 19:10	39.5	↓-4.8
12/14 19:20	34.8	↓-4.7
12/14 19:30	30.4	↓-4.4
12/14 19:40	26.0	↓-4.4
12/14 19:50	21.9	↓-4.1
12/14 20:00	18.0	↓-3.9
12/14 20:10	14.4	↓-3.6
12/14 20:20	11.0	↓-3.4
12/14 20:30	7.9	↓-3.1
12/14 20:40	5.2	↓-2.7
12/14 20:50	2.7	↓-2.5
12/14 21:00	0.6	↓-2.1
12/14 21:10	-1.1	↓-1.7
12/14 21:20	-2.5	↓-1.4
12/14 21:30	-3.6	↓-1.1
12/14 21:40	-4.2	↓-0.6
12/14 21:50	-4.5	↓-0.3	干潮
12/14 22:00	-4.4	↑0.1
12/14 22:10	-3.9	↑0.5
12/14 22:20	-3.1	↑0.8
12/14 22:30	-1.9	↑1.2
12/14 22:40	-0.4	↑1.5
12/14 22:50	1.5	↑1.9
12/14 23:00	3.7	↑2.2
12/14 23:10	6.3	↑2.6
12/14 23:20	9.1	↑2.8
12/14 23:30	12.2	↑3.1
12/14 23:40	15.6	↑3.4
12/14 23:50	19.2	↑3.6