20 (火)	05:30	00:10	19:47	12:33
	122cm	82cm	121cm	11cm
中潮 出 04:21 入 18:59 出 08:18 入 21:54 潮干狩り ◎ 10:35～14:33

那珂湊（茨城）2034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	81.6	↓-0.2	干潮
6/20 00:10	81.5	↓-0.1	干潮
6/20 00:20	81.6	↑0.1
6/20 00:30	81.9	↑0.3
6/20 00:40	82.4	↑0.5
6/20 00:50	83.0	↑0.6
6/20 01:00	83.9	↑0.9
6/20 01:10	84.9	↑1.0
6/20 01:20	86.0	↑1.1
6/20 01:30	87.3	↑1.3
6/20 01:40	88.7	↑1.4
6/20 01:50	90.2	↑1.5
6/20 02:00	91.9	↑1.7
6/20 02:10	93.6	↑1.7
6/20 02:20	95.4	↑1.8
6/20 02:30	97.2	↑1.8
6/20 02:40	99.1	↑1.9
6/20 02:50	101.1	↑2.0
6/20 03:00	103.0	↑1.9
6/20 03:10	104.9	↑1.9
6/20 03:20	106.9	↑2.0
6/20 03:30	108.7	↑1.8
6/20 03:40	110.6	↑1.9
6/20 03:50	112.3	↑1.7
6/20 04:00	114.0	↑1.7
6/20 04:10	115.5	↑1.5
6/20 04:20	116.9	↑1.4
6/20 04:30	118.2	↑1.3
6/20 04:40	119.3	↑1.1
6/20 04:50	120.3	↑1.0
6/20 05:00	121.0	↑0.7
6/20 05:10	121.6	↑0.6
6/20 05:20	121.9	↑0.3	満潮
6/20 05:30	122.0	↑0.1	満潮
6/20 05:40	121.8	↓-0.2
6/20 05:50	121.4	↓-0.4
6/20 06:00	120.8	↓-0.6
6/20 06:10	119.9	↓-0.9
6/20 06:20	118.7	↓-1.2
6/20 06:30	117.2	↓-1.5
6/20 06:40	115.5	↓-1.7
6/20 06:50	113.5	↓-2.0
6/20 07:00	111.2	↓-2.3
6/20 07:10	108.7	↓-2.5
6/20 07:20	106.0	↓-2.7
6/20 07:30	103.0	↓-3.0
6/20 07:40	99.8	↓-3.2
6/20 07:50	96.3	↓-3.5
6/20 08:00	92.7	↓-3.6
6/20 08:10	88.9	↓-3.8
6/20 08:20	85.0	↓-3.9
6/20 08:30	81.0	↓-4.0
6/20 08:40	76.8	↓-4.2
6/20 08:50	72.6	↓-4.2
6/20 09:00	68.3	↓-4.3	最大潮位差
6/20 09:10	64.0	↓-4.3	最大潮位差
6/20 09:20	59.8	↓-4.2
6/20 09:30	55.5	↓-4.3	最大潮位差
6/20 09:40	51.3	↓-4.2
6/20 09:50	47.2	↓-4.1
6/20 10:00	43.2	↓-4.0
6/20 10:10	39.3	↓-3.9
6/20 10:20	35.6	↓-3.7
6/20 10:30	32.1	↓-3.5
6/20 10:40	28.8	↓-3.3
6/20 10:50	25.7	↓-3.1
6/20 11:00	22.9	↓-2.8
6/20 11:10	20.3	↓-2.6
6/20 11:20	18.0	↓-2.3
6/20 11:30	15.9	↓-2.1
6/20 11:40	14.2	↓-1.7
6/20 11:50	12.7	↓-1.5
6/20 12:00	11.6	↓-1.1
6/20 12:10	10.8	↓-0.8
6/20 12:20	10.3	↓-0.5
6/20 12:30	10.1	↓-0.2	干潮
6/20 12:40	10.2	↑0.1
6/20 12:50	10.6	↑0.4
6/20 13:00	11.3	↑0.7
6/20 13:10	12.3	↑1.0
6/20 13:20	13.6	↑1.3
6/20 13:30	15.2	↑1.6
6/20 13:40	17.0	↑1.8
6/20 13:50	19.1	↑2.1
6/20 14:00	21.5	↑2.4
6/20 14:10	24.1	↑2.6
6/20 14:20	26.9	↑2.8
6/20 14:30	29.9	↑3.0
6/20 14:40	33.1	↑3.2
6/20 14:50	36.4	↑3.3
6/20 15:00	39.9	↑3.5
6/20 15:10	43.6	↑3.7
6/20 15:20	47.3	↑3.7
6/20 15:30	51.2	↑3.9
6/20 15:40	55.1	↑3.9
6/20 15:50	59.1	↑4.0
6/20 16:00	63.1	↑4.0
6/20 16:10	67.1	↑4.0
6/20 16:20	71.1	↑4.0
6/20 16:30	75.1	↑4.0
6/20 16:40	79.0	↑3.9
6/20 16:50	82.9	↑3.9
6/20 17:00	86.6	↑3.7
6/20 17:10	90.3	↑3.7
6/20 17:20	93.8	↑3.5
6/20 17:30	97.2	↑3.4
6/20 17:40	100.4	↑3.2
6/20 17:50	103.4	↑3.0
6/20 18:00	106.2	↑2.8
6/20 18:10	108.8	↑2.6
6/20 18:20	111.2	↑2.4
6/20 18:30	113.3	↑2.1
6/20 18:40	115.2	↑1.9
6/20 18:50	116.8	↑1.6
6/20 19:00	118.2	↑1.4
6/20 19:10	119.2	↑1.0
6/20 19:20	120.0	↑0.8
6/20 19:30	120.6	↑0.6
6/20 19:40	120.9	↑0.3	満潮
6/20 19:50	120.9	0
6/20 20:00	120.6	↓-0.3
6/20 20:10	120.2	↓-0.4
6/20 20:20	119.5	↓-0.7
6/20 20:30	118.5	↓-1.0
6/20 20:40	117.4	↓-1.1
6/20 20:50	116.1	↓-1.3
6/20 21:00	114.6	↓-1.5
6/20 21:10	113.0	↓-1.6
6/20 21:20	111.3	↓-1.7
6/20 21:30	109.4	↓-1.9
6/20 21:40	107.5	↓-1.9
6/20 21:50	105.5	↓-2.0
6/20 22:00	103.5	↓-2.0
6/20 22:10	101.4	↓-2.1
6/20 22:20	99.4	↓-2.0
6/20 22:30	97.4	↓-2.0
6/20 22:40	95.4	↓-2.0
6/20 22:50	93.5	↓-1.9
6/20 23:00	91.7	↓-1.8
6/20 23:10	90.0	↓-1.7
6/20 23:20	88.4	↓-1.6
6/20 23:30	86.9	↓-1.5
6/20 23:40	85.6	↓-1.3
6/20 23:50	84.4	↓-1.2