20 (火)	00:36	08:21	15:49	20:12
	127cm	22cm	121cm	101cm
中潮 出 04:21 入 19:00 出 01:42 入 16:38 潮干狩り ○ 06:47～09:54

日立（茨城）2028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	125.7	↑0.7
6/20 00:10	126.2	↑0.5
6/20 00:20	126.5	↑0.3
6/20 00:30	126.7	↑0.2	満潮
6/20 00:40	126.7	0
6/20 00:50	126.5	↓-0.2
6/20 01:00	126.1	↓-0.4
6/20 01:10	125.6	↓-0.5
6/20 01:20	124.9	↓-0.7
6/20 01:30	124.0	↓-0.9
6/20 01:40	122.9	↓-1.1
6/20 01:50	121.6	↓-1.3
6/20 02:00	120.2	↓-1.4
6/20 02:10	118.5	↓-1.7
6/20 02:20	116.7	↓-1.8
6/20 02:30	114.7	↓-2.0
6/20 02:40	112.5	↓-2.2
6/20 02:50	110.2	↓-2.3
6/20 03:00	107.7	↓-2.5
6/20 03:10	105.0	↓-2.7
6/20 03:20	102.1	↓-2.9
6/20 03:30	99.1	↓-3.0
6/20 03:40	96.0	↓-3.1
6/20 03:50	92.7	↓-3.3
6/20 04:00	89.2	↓-3.5
6/20 04:10	85.7	↓-3.5
6/20 04:20	82.1	↓-3.6
6/20 04:30	78.4	↓-3.7
6/20 04:40	74.7	↓-3.7
6/20 04:50	71.0	↓-3.7
6/20 05:00	67.2	↓-3.8	最大潮位差
6/20 05:10	63.5	↓-3.7
6/20 05:20	59.8	↓-3.7
6/20 05:30	56.2	↓-3.6
6/20 05:40	52.6	↓-3.6
6/20 05:50	49.2	↓-3.4
6/20 06:00	45.9	↓-3.3
6/20 06:10	42.8	↓-3.1
6/20 06:20	39.9	↓-2.9
6/20 06:30	37.1	↓-2.8
6/20 06:40	34.5	↓-2.6
6/20 06:50	32.2	↓-2.3
6/20 07:00	30.0	↓-2.2
6/20 07:10	28.1	↓-1.9
6/20 07:20	26.5	↓-1.6
6/20 07:30	25.0	↓-1.5
6/20 07:40	23.9	↓-1.1
6/20 07:50	23.0	↓-0.9
6/20 08:00	22.3	↓-0.7
6/20 08:10	21.9	↓-0.4
6/20 08:20	21.8	↓-0.1	干潮
6/20 08:30	21.9	↑0.1
6/20 08:40	22.3	↑0.4
6/20 08:50	23.0	↑0.7
6/20 09:00	23.9	↑0.9
6/20 09:10	25.1	↑1.2
6/20 09:20	26.5	↑1.4
6/20 09:30	28.2	↑1.7
6/20 09:40	30.2	↑2.0
6/20 09:50	32.3	↑2.1
6/20 10:00	34.7	↑2.4
6/20 10:10	37.3	↑2.6
6/20 10:20	40.1	↑2.8
6/20 10:30	43.1	↑3.0
6/20 10:40	46.2	↑3.1
6/20 10:50	49.5	↑3.3
6/20 11:00	52.9	↑3.4
6/20 11:10	56.3	↑3.4
6/20 11:20	59.9	↑3.6
6/20 11:30	63.4	↑3.5
6/20 11:40	67.0	↑3.6
6/20 11:50	70.6	↑3.6
6/20 12:00	74.2	↑3.6
6/20 12:10	77.7	↑3.5
6/20 12:20	81.1	↑3.4
6/20 12:30	84.5	↑3.4
6/20 12:40	87.8	↑3.3
6/20 12:50	91.0	↑3.2
6/20 13:00	94.0	↑3.0
6/20 13:10	96.9	↑2.9
6/20 13:20	99.7	↑2.8
6/20 13:30	102.3	↑2.6
6/20 13:40	104.7	↑2.4
6/20 13:50	107.0	↑2.3
6/20 14:00	109.2	↑2.2
6/20 14:10	111.1	↑1.9
6/20 14:20	112.9	↑1.8
6/20 14:30	114.5	↑1.6
6/20 14:40	115.9	↑1.4
6/20 14:50	117.1	↑1.2
6/20 15:00	118.1	↑1.0
6/20 15:10	119.0	↑0.9
6/20 15:20	119.6	↑0.6
6/20 15:30	120.0	↑0.4
6/20 15:40	120.3	↑0.3	満潮
6/20 15:50	120.4	↑0.1
6/20 16:00	120.2	↓-0.2
6/20 16:10	119.9	↓-0.3
6/20 16:20	119.5	↓-0.4
6/20 16:30	118.9	↓-0.6
6/20 16:40	118.1	↓-0.8
6/20 16:50	117.3	↓-0.8
6/20 17:00	116.3	↓-1.0
6/20 17:10	115.2	↓-1.1
6/20 17:20	114.1	↓-1.1
6/20 17:30	112.9	↓-1.2
6/20 17:40	111.7	↓-1.2
6/20 17:50	110.5	↓-1.2
6/20 18:00	109.3	↓-1.2
6/20 18:10	108.1	↓-1.2
6/20 18:20	107.0	↓-1.1
6/20 18:30	105.9	↓-1.1
6/20 18:40	104.9	↓-1.0
6/20 18:50	104.0	↓-0.9
6/20 19:00	103.1	↓-0.9
6/20 19:10	102.4	↓-0.7
6/20 19:20	101.7	↓-0.7
6/20 19:30	101.2	↓-0.5
6/20 19:40	100.8	↓-0.4
6/20 19:50	100.5	↓-0.3
6/20 20:00	100.3	↓-0.2
6/20 20:10	100.2	↓-0.1	干潮
6/20 20:20	100.3	↑0.1
6/20 20:30	100.4	↑0.1
6/20 20:40	100.7	↑0.3
6/20 20:50	101.1	↑0.4
6/20 21:00	101.6	↑0.5
6/20 21:10	102.3	↑0.7
6/20 21:20	103.0	↑0.7
6/20 21:30	103.9	↑0.9
6/20 21:40	104.9	↑1.0
6/20 21:50	106.0	↑1.1
6/20 22:00	107.1	↑1.1
6/20 22:10	108.4	↑1.3
6/20 22:20	109.8	↑1.4
6/20 22:30	111.2	↑1.4
6/20 22:40	112.7	↑1.5
6/20 22:50	114.3	↑1.6
6/20 23:00	115.9	↑1.6
6/20 23:10	117.5	↑1.6
6/20 23:20	119.0	↑1.5
6/20 23:30	120.6	↑1.6
6/20 23:40	122.1	↑1.5
6/20 23:50	123.6	↑1.5