20 (金)	05:34	00:15	19:57	12:40
	123cm	83cm	121cm	9cm
中潮 出 04:21 入 18:59 出 08:29 入 22:05 潮干狩り ◎ 10:39～14:44

那珂湊（茨城）2053年06月20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
6/20 00:00	83.1	↓-0.4
6/20 00:10	83.0	↓-0.1	干潮
6/20 00:20	83.0	0
6/20 00:30	83.2	↑0.2
6/20 00:40	83.6	↑0.4
6/20 00:50	84.2	↑0.6
6/20 01:00	84.9	↑0.7
6/20 01:10	85.8	↑0.9
6/20 01:20	86.9	↑1.1
6/20 01:30	88.1	↑1.2
6/20 01:40	89.4	↑1.3
6/20 01:50	90.9	↑1.5
6/20 02:00	92.5	↑1.6
6/20 02:10	94.1	↑1.6
6/20 02:20	95.9	↑1.8
6/20 02:30	97.7	↑1.8
6/20 02:40	99.5	↑1.8
6/20 02:50	101.4	↑1.9
6/20 03:00	103.3	↑1.9
6/20 03:10	105.2	↑1.9
6/20 03:20	107.1	↑1.9
6/20 03:30	108.9	↑1.8
6/20 03:40	110.7	↑1.8
6/20 03:50	112.5	↑1.8
6/20 04:00	114.1	↑1.6
6/20 04:10	115.7	↑1.6
6/20 04:20	117.1	↑1.4
6/20 04:30	118.4	↑1.3
6/20 04:40	119.6	↑1.2
6/20 04:50	120.6	↑1.0
6/20 05:00	121.4	↑0.8
6/20 05:10	122.0	↑0.6
6/20 05:20	122.4	↑0.4
6/20 05:30	122.6	↑0.2	満潮
6/20 05:40	122.6	0
6/20 05:50	122.3	↓-0.3
6/20 06:00	121.7	↓-0.6
6/20 06:10	120.9	↓-0.8
6/20 06:20	119.9	↓-1.0
6/20 06:30	118.5	↓-1.4
6/20 06:40	116.9	↓-1.6
6/20 06:50	115.1	↓-1.8
6/20 07:00	113.0	↓-2.1
6/20 07:10	110.6	↓-2.4
6/20 07:20	107.9	↓-2.7
6/20 07:30	105.0	↓-2.9
6/20 07:40	101.9	↓-3.1
6/20 07:50	98.6	↓-3.3
6/20 08:00	95.1	↓-3.5
6/20 08:10	91.4	↓-3.7
6/20 08:20	87.5	↓-3.9
6/20 08:30	83.5	↓-4.0
6/20 08:40	79.4	↓-4.1
6/20 08:50	75.2	↓-4.2
6/20 09:00	70.9	↓-4.3
6/20 09:10	66.6	↓-4.3
6/20 09:20	62.3	↓-4.3
6/20 09:30	57.9	↓-4.4	最大潮位差
6/20 09:40	53.7	↓-4.2
6/20 09:50	49.5	↓-4.2
6/20 10:00	45.3	↓-4.2
6/20 10:10	41.3	↓-4.0
6/20 10:20	37.5	↓-3.8
6/20 10:30	33.8	↓-3.7
6/20 10:40	30.3	↓-3.5
6/20 10:50	27.0	↓-3.3
6/20 11:00	24.0	↓-3.0
6/20 11:10	21.2	↓-2.8
6/20 11:20	18.6	↓-2.6
6/20 11:30	16.4	↓-2.2
6/20 11:40	14.4	↓-2.0
6/20 11:50	12.7	↓-1.7
6/20 12:00	11.4	↓-1.3
6/20 12:10	10.3	↓-1.1
6/20 12:20	9.5	↓-0.8
6/20 12:30	9.1	↓-0.4	干潮
6/20 12:40	9.0	↓-0.1	干潮
6/20 12:50	9.2	↑0.2
6/20 13:00	9.7	↑0.5
6/20 13:10	10.5	↑0.8
6/20 13:20	11.6	↑1.1
6/20 13:30	12.9	↑1.3
6/20 13:40	14.6	↑1.7
6/20 13:50	16.5	↑1.9
6/20 14:00	18.7	↑2.2
6/20 14:10	21.1	↑2.4
6/20 14:20	23.7	↑2.6
6/20 14:30	26.6	↑2.9
6/20 14:40	29.6	↑3.0
6/20 14:50	32.9	↑3.3
6/20 15:00	36.3	↑3.4
6/20 15:10	39.8	↑3.5
6/20 15:20	43.5	↑3.7
6/20 15:30	47.2	↑3.7
6/20 15:40	51.1	↑3.9
6/20 15:50	55.0	↑3.9
6/20 16:00	59.0	↑4.0
6/20 16:10	63.0	↑4.0
6/20 16:20	67.1	↑4.1
6/20 16:30	71.1	↑4.0
6/20 16:40	75.1	↑4.0
6/20 16:50	79.0	↑3.9
6/20 17:00	82.8	↑3.8
6/20 17:10	86.6	↑3.8
6/20 17:20	90.2	↑3.6
6/20 17:30	93.8	↑3.6
6/20 17:40	97.1	↑3.3
6/20 17:50	100.3	↑3.2
6/20 18:00	103.3	↑3.0
6/20 18:10	106.1	↑2.8
6/20 18:20	108.7	↑2.6
6/20 18:30	111.0	↑2.3
6/20 18:40	113.1	↑2.1
6/20 18:50	115.0	↑1.9
6/20 19:00	116.6	↑1.6
6/20 19:10	118.0	↑1.4
6/20 19:20	119.0	↑1.0
6/20 19:30	119.8	↑0.8
6/20 19:40	120.4	↑0.6
6/20 19:50	120.7	↑0.3	満潮
6/20 20:00	120.7	0
6/20 20:10	120.4	↓-0.3
6/20 20:20	120.0	↓-0.4
6/20 20:30	119.3	↓-0.7
6/20 20:40	118.4	↓-0.9
6/20 20:50	117.3	↓-1.1
6/20 21:00	116.0	↓-1.3
6/20 21:10	114.5	↓-1.5
6/20 21:20	112.9	↓-1.6
6/20 21:30	111.2	↓-1.7
6/20 21:40	109.4	↓-1.8
6/20 21:50	107.5	↓-1.9
6/20 22:00	105.6	↓-1.9
6/20 22:10	103.6	↓-2.0
6/20 22:20	101.6	↓-2.0
6/20 22:30	99.6	↓-2.0
6/20 22:40	97.6	↓-2.0
6/20 22:50	95.7	↓-1.9
6/20 23:00	93.9	↓-1.8
6/20 23:10	92.1	↓-1.8
6/20 23:20	90.4	↓-1.7
6/20 23:30	88.9	↓-1.5
6/20 23:40	87.5	↓-1.4
6/20 23:50	86.2	↓-1.3