20 (日)	03:19	10:51	18:15	22:56
	138cm	7cm	127cm	95cm
大潮 出 04:21 入 18:59 出 20:11 入 04:53 潮干狩り ◎ 08:39～13:04

大洗（茨城）2027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	107.3	↑1.7
6/20 00:10	109.1	↑1.8
6/20 00:20	111.0	↑1.9
6/20 00:30	112.9	↑1.9
6/20 00:40	114.9	↑2.0
6/20 00:50	117.0	↑2.1
6/20 01:00	119.0	↑2.0
6/20 01:10	121.1	↑2.1
6/20 01:20	123.1	↑2.0
6/20 01:30	125.1	↑2.0
6/20 01:40	126.9	↑1.8
6/20 01:50	128.7	↑1.8
6/20 02:00	130.3	↑1.6
6/20 02:10	131.8	↑1.5
6/20 02:20	133.2	↑1.4
6/20 02:30	134.4	↑1.2
6/20 02:40	135.3	↑0.9
6/20 02:50	136.1	↑0.8
6/20 03:00	136.6	↑0.5
6/20 03:10	136.9	↑0.3	満潮
6/20 03:20	137.0	↑0.1
6/20 03:30	136.8	↓-0.2
6/20 03:40	136.4	↓-0.4
6/20 03:50	135.7	↓-0.7
6/20 04:00	134.7	↓-1.0
6/20 04:10	133.5	↓-1.2
6/20 04:20	132.0	↓-1.5
6/20 04:30	130.2	↓-1.8
6/20 04:40	128.1	↓-2.1
6/20 04:50	125.8	↓-2.3
6/20 05:00	123.3	↓-2.5
6/20 05:10	120.5	↓-2.8
6/20 05:20	117.4	↓-3.1
6/20 05:30	114.1	↓-3.3
6/20 05:40	110.6	↓-3.5
6/20 05:50	106.9	↓-3.7
6/20 06:00	103.0	↓-3.9
6/20 06:10	99.0	↓-4.0
6/20 06:20	94.8	↓-4.2
6/20 06:30	90.4	↓-4.4
6/20 06:40	85.9	↓-4.5
6/20 06:50	81.4	↓-4.5
6/20 07:00	76.8	↓-4.6
6/20 07:10	72.1	↓-4.7	最大潮位差
6/20 07:20	67.5	↓-4.6
6/20 07:30	62.8	↓-4.7	最大潮位差
6/20 07:40	58.2	↓-4.6
6/20 07:50	53.6	↓-4.6
6/20 08:00	49.2	↓-4.4
6/20 08:10	44.8	↓-4.4
6/20 08:20	40.6	↓-4.2
6/20 08:30	36.6	↓-4.0
6/20 08:40	32.7	↓-3.9
6/20 08:50	29.0	↓-3.7
6/20 09:00	25.6	↓-3.4
6/20 09:10	22.4	↓-3.2
6/20 09:20	19.4	↓-3.0
6/20 09:30	16.7	↓-2.7
6/20 09:40	14.3	↓-2.4
6/20 09:50	12.2	↓-2.1
6/20 10:00	10.4	↓-1.8
6/20 10:10	8.9	↓-1.5
6/20 10:20	7.7	↓-1.2
6/20 10:30	6.9	↓-0.8
6/20 10:40	6.4	↓-0.5
6/20 10:50	6.2	↓-0.2	干潮
6/20 11:00	6.4	↑0.2
6/20 11:10	6.8	↑0.4
6/20 11:20	7.7	↑0.9
6/20 11:30	8.8	↑1.1
6/20 11:40	10.3	↑1.5
6/20 11:50	12.1	↑1.8
6/20 12:00	14.2	↑2.1
6/20 12:10	16.6	↑2.4
6/20 12:20	19.2	↑2.6
6/20 12:30	22.2	↑3.0
6/20 12:40	25.3	↑3.1
6/20 12:50	28.7	↑3.4
6/20 13:00	32.3	↑3.6
6/20 13:10	36.0	↑3.7
6/20 13:20	39.9	↑3.9
6/20 13:30	44.0	↑4.1
6/20 13:40	48.1	↑4.1
6/20 13:50	52.3	↑4.2
6/20 14:00	56.6	↑4.3
6/20 14:10	60.9	↑4.3
6/20 14:20	65.2	↑4.3
6/20 14:30	69.5	↑4.3
6/20 14:40	73.8	↑4.3
6/20 14:50	78.0	↑4.2
6/20 15:00	82.1	↑4.1
6/20 15:10	86.1	↑4.0
6/20 15:20	90.0	↑3.9
6/20 15:30	93.8	↑3.8
6/20 15:40	97.4	↑3.6
6/20 15:50	100.9	↑3.5
6/20 16:00	104.1	↑3.2
6/20 16:10	107.2	↑3.1
6/20 16:20	110.1	↑2.9
6/20 16:30	112.8	↑2.7
6/20 16:40	115.2	↑2.4
6/20 16:50	117.4	↑2.2
6/20 17:00	119.4	↑2.0
6/20 17:10	121.1	↑1.7
6/20 17:20	122.6	↑1.5
6/20 17:30	123.8	↑1.2
6/20 17:40	124.7	↑0.9
6/20 17:50	125.5	↑0.8
6/20 18:00	125.9	↑0.4
6/20 18:10	126.1	↑0.2	満潮
6/20 18:20	126.1	0
6/20 18:30	125.9	↓-0.2
6/20 18:40	125.4	↓-0.5
6/20 18:50	124.7	↓-0.7
6/20 19:00	123.9	↓-0.8
6/20 19:10	122.8	↓-1.1
6/20 19:20	121.6	↓-1.2
6/20 19:30	120.3	↓-1.3
6/20 19:40	118.8	↓-1.5
6/20 19:50	117.3	↓-1.5
6/20 20:00	115.7	↓-1.6
6/20 20:10	114.0	↓-1.7
6/20 20:20	112.3	↓-1.7
6/20 20:30	110.5	↓-1.8
6/20 20:40	108.8	↓-1.7
6/20 20:50	107.1	↓-1.7
6/20 21:00	105.4	↓-1.7
6/20 21:10	103.8	↓-1.6
6/20 21:20	102.3	↓-1.5
6/20 21:30	100.9	↓-1.4
6/20 21:40	99.5	↓-1.4
6/20 21:50	98.4	↓-1.1
6/20 22:00	97.3	↓-1.1
6/20 22:10	96.4	↓-0.9
6/20 22:20	95.7	↓-0.7
6/20 22:30	95.1	↓-0.6
6/20 22:40	94.8	↓-0.3
6/20 22:50	94.6	↓-0.2	干潮
6/20 23:00	94.6	0
6/20 23:10	94.8	↑0.2
6/20 23:20	95.2	↑0.4
6/20 23:30	95.8	↑0.6
6/20 23:40	96.6	↑0.8
6/20 23:50	97.5	↑0.9