20 (金)	11:08	05:09	22:59	16:29
	102cm	62cm	127cm	74cm
長潮 出 04:21 入 19:00 出 00:05 入 13:07

日立（茨城）2025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	114.7	↓-1.6
6/20 00:10	113.0	↓-1.7
6/20 00:20	111.2	↓-1.8
6/20 00:30	109.2	↓-2.0
6/20 00:40	107.2	↓-2.0
6/20 00:50	105.1	↓-2.1
6/20 01:00	102.9	↓-2.2
6/20 01:10	100.6	↓-2.3
6/20 01:20	98.3	↓-2.3
6/20 01:30	96.0	↓-2.3
6/20 01:40	93.6	↓-2.4	最大潮位差
6/20 01:50	91.2	↓-2.4	最大潮位差
6/20 02:00	88.8	↓-2.4	最大潮位差
6/20 02:10	86.5	↓-2.3
6/20 02:20	84.1	↓-2.4	最大潮位差
6/20 02:30	81.8	↓-2.3
6/20 02:40	79.5	↓-2.3
6/20 02:50	77.4	↓-2.1
6/20 03:00	75.3	↓-2.1
6/20 03:10	73.3	↓-2.0
6/20 03:20	71.4	↓-1.9
6/20 03:30	69.6	↓-1.8
6/20 03:40	68.0	↓-1.6
6/20 03:50	66.6	↓-1.4
6/20 04:00	65.3	↓-1.3
6/20 04:10	64.1	↓-1.2
6/20 04:20	63.2	↓-0.9
6/20 04:30	62.4	↓-0.8
6/20 04:40	61.8	↓-0.6
6/20 04:50	61.4	↓-0.4
6/20 05:00	61.2	↓-0.2	干潮
6/20 05:10	61.1	↓-0.1
6/20 05:20	61.2	↑0.1
6/20 05:30	61.5	↑0.3
6/20 05:40	62.0	↑0.5
6/20 05:50	62.6	↑0.6
6/20 06:00	63.4	↑0.8
6/20 06:10	64.3	↑0.9
6/20 06:20	65.3	↑1.0
6/20 06:30	66.5	↑1.2
6/20 06:40	67.7	↑1.2
6/20 06:50	69.1	↑1.4
6/20 07:00	70.6	↑1.5
6/20 07:10	72.1	↑1.5
6/20 07:20	73.7	↑1.6
6/20 07:30	75.4	↑1.7
6/20 07:40	77.1	↑1.7
6/20 07:50	78.8	↑1.7
6/20 08:00	80.6	↑1.8
6/20 08:10	82.4	↑1.8
6/20 08:20	84.1	↑1.7
6/20 08:30	85.9	↑1.8
6/20 08:40	87.6	↑1.7
6/20 08:50	89.3	↑1.7
6/20 09:00	90.9	↑1.6
6/20 09:10	92.4	↑1.5
6/20 09:20	93.9	↑1.5
6/20 09:30	95.2	↑1.3
6/20 09:40	96.5	↑1.3
6/20 09:50	97.6	↑1.1
6/20 10:00	98.6	↑1.0
6/20 10:10	99.5	↑0.9
6/20 10:20	100.2	↑0.7
6/20 10:30	100.8	↑0.6
6/20 10:40	101.3	↑0.5
6/20 10:50	101.6	↑0.3
6/20 11:00	101.8	↑0.2	満潮
6/20 11:10	101.8	0
6/20 11:20	101.7	↓-0.1
6/20 11:30	101.4	↓-0.3
6/20 11:40	101.1	↓-0.3
6/20 11:50	100.6	↓-0.5
6/20 12:00	100.0	↓-0.6
6/20 12:10	99.3	↓-0.7
6/20 12:20	98.5	↓-0.8
6/20 12:30	97.6	↓-0.9
6/20 12:40	96.6	↓-1.0
6/20 12:50	95.5	↓-1.1
6/20 13:00	94.4	↓-1.1
6/20 13:10	93.2	↓-1.2
6/20 13:20	92.0	↓-1.2
6/20 13:30	90.7	↓-1.3
6/20 13:40	89.4	↓-1.3
6/20 13:50	88.0	↓-1.4
6/20 14:00	86.7	↓-1.3
6/20 14:10	85.4	↓-1.3
6/20 14:20	84.0	↓-1.4
6/20 14:30	82.7	↓-1.3
6/20 14:40	81.5	↓-1.2
6/20 14:50	80.2	↓-1.3
6/20 15:00	79.1	↓-1.1
6/20 15:10	78.0	↓-1.1
6/20 15:20	77.0	↓-1.0
6/20 15:30	76.2	↓-0.8
6/20 15:40	75.4	↓-0.8
6/20 15:50	74.7	↓-0.7
6/20 16:00	74.2	↓-0.5
6/20 16:10	73.9	↓-0.3
6/20 16:20	73.7	↓-0.2	干潮
6/20 16:30	73.6	↓-0.1
6/20 16:40	73.7	↑0.1
6/20 16:50	74.0	↑0.3
6/20 17:00	74.4	↑0.4
6/20 17:10	75.0	↑0.6
6/20 17:20	75.7	↑0.7
6/20 17:30	76.6	↑0.9
6/20 17:40	77.7	↑1.1
6/20 17:50	78.9	↑1.2
6/20 18:00	80.2	↑1.3
6/20 18:10	81.6	↑1.4
6/20 18:20	83.1	↑1.5
6/20 18:30	84.8	↑1.7
6/20 18:40	86.5	↑1.7
6/20 18:50	88.3	↑1.8
6/20 19:00	90.2	↑1.9
6/20 19:10	92.2	↑2.0
6/20 19:20	94.2	↑2.0
6/20 19:30	96.2	↑2.0
6/20 19:40	98.3	↑2.1
6/20 19:50	100.4	↑2.1
6/20 20:00	102.5	↑2.1
6/20 20:10	104.6	↑2.1
6/20 20:20	106.7	↑2.1
6/20 20:30	108.7	↑2.0
6/20 20:40	110.7	↑2.0
6/20 20:50	112.6	↑1.9
6/20 21:00	114.5	↑1.9
6/20 21:10	116.2	↑1.7
6/20 21:20	117.9	↑1.7
6/20 21:30	119.5	↑1.6
6/20 21:40	120.9	↑1.4
6/20 21:50	122.2	↑1.3
6/20 22:00	123.3	↑1.1
6/20 22:10	124.2	↑0.9
6/20 22:20	125.0	↑0.8
6/20 22:30	125.7	↑0.7
6/20 22:40	126.1	↑0.4
6/20 22:50	126.3	↑0.2	満潮
6/20 23:00	126.4	↑0.1
6/20 23:10	126.2	↓-0.2
6/20 23:20	125.9	↓-0.3
6/20 23:30	125.4	↓-0.5
6/20 23:40	124.7	↓-0.7
6/20 23:50	123.8	↓-0.9