23 (火)	04:39	10:37	16:34	22:55
	146cm	56cm	146cm	40cm
大潮 出 05:27 入 17:35 出 06:33 入 18:01

日立（茨城）2025年09月23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
9/23 00:00	61.3	↑3.0
9/23 00:10	64.5	↑3.2
9/23 00:20	68.0	↑3.5
9/23 00:30	71.6	↑3.6
9/23 00:40	75.5	↑3.9
9/23 00:50	79.5	↑4.0
9/23 01:00	83.6	↑4.1
9/23 01:10	87.8	↑4.2
9/23 01:20	92.1	↑4.3
9/23 01:30	96.3	↑4.2
9/23 01:40	100.6	↑4.3
9/23 01:50	104.8	↑4.2
9/23 02:00	108.9	↑4.1
9/23 02:10	112.9	↑4.0
9/23 02:20	116.8	↑3.9
9/23 02:30	120.5	↑3.7
9/23 02:40	124.1	↑3.6
9/23 02:50	127.4	↑3.3
9/23 03:00	130.5	↑3.1
9/23 03:10	133.4	↑2.9
9/23 03:20	136.0	↑2.6
9/23 03:30	138.3	↑2.3
9/23 03:40	140.3	↑2.0
9/23 03:50	142.1	↑1.8
9/23 04:00	143.5	↑1.4
9/23 04:10	144.6	↑1.1
9/23 04:20	145.4	↑0.8
9/23 04:30	145.8	↑0.4	満潮
9/23 04:40	145.9	↑0.1
9/23 04:50	145.7	↓-0.2
9/23 05:00	145.1	↓-0.6
9/23 05:10	144.1	↓-1.0
9/23 05:20	142.8	↓-1.3
9/23 05:30	141.2	↓-1.6
9/23 05:40	139.3	↓-1.9
9/23 05:50	137.0	↓-2.3
9/23 06:00	134.5	↓-2.5
9/23 06:10	131.6	↓-2.9
9/23 06:20	128.6	↓-3.0
9/23 06:30	125.3	↓-3.3
9/23 06:40	121.8	↓-3.5
9/23 06:50	118.1	↓-3.7
9/23 07:00	114.3	↓-3.8
9/23 07:10	110.4	↓-3.9
9/23 07:20	106.5	↓-3.9
9/23 07:30	102.5	↓-4.0
9/23 07:40	98.5	↓-4.0
9/23 07:50	94.5	↓-4.0
9/23 08:00	90.6	↓-3.9
9/23 08:10	86.8	↓-3.8
9/23 08:20	83.1	↓-3.7
9/23 08:30	79.5	↓-3.6
9/23 08:40	76.2	↓-3.3
9/23 08:50	73.0	↓-3.2
9/23 09:00	70.1	↓-2.9
9/23 09:10	67.3	↓-2.8
9/23 09:20	64.9	↓-2.4
9/23 09:30	62.7	↓-2.2
9/23 09:40	60.8	↓-1.9
9/23 09:50	59.1	↓-1.7
9/23 10:00	57.8	↓-1.3
9/23 10:10	56.8	↓-1.0
9/23 10:20	56.1	↓-0.7
9/23 10:30	55.7	↓-0.4	干潮
9/23 10:40	55.7	0
9/23 10:50	56.0	↑0.3
9/23 11:00	56.6	↑0.6
9/23 11:10	57.6	↑1.0
9/23 11:20	58.9	↑1.3
9/23 11:30	60.5	↑1.6
9/23 11:40	62.4	↑1.9
9/23 11:50	64.7	↑2.3
9/23 12:00	67.2	↑2.5
9/23 12:10	70.0	↑2.8
9/23 12:20	73.1	↑3.1
9/23 12:30	76.3	↑3.2
9/23 12:40	79.8	↑3.5
9/23 12:50	83.5	↑3.7
9/23 13:00	87.3	↑3.8
9/23 13:10	91.2	↑3.9
9/23 13:20	95.1	↑3.9
9/23 13:30	99.1	↑4.0
9/23 13:40	103.1	↑4.0
9/23 13:50	107.1	↑4.0
9/23 14:00	111.0	↑3.9
9/23 14:10	114.8	↑3.8
9/23 14:20	118.5	↑3.7
9/23 14:30	122.1	↑3.6
9/23 14:40	125.4	↑3.3
9/23 14:50	128.6	↑3.2
9/23 15:00	131.6	↑3.0
9/23 15:10	134.3	↑2.7
9/23 15:20	136.7	↑2.4
9/23 15:30	138.9	↑2.2
9/23 15:40	140.8	↑1.9
9/23 15:50	142.3	↑1.5
9/23 16:00	143.6	↑1.3
9/23 16:10	144.5	↑0.9
9/23 16:20	145.2	↑0.7
9/23 16:30	145.5	↑0.3	満潮
9/23 16:40	145.4	↓-0.1
9/23 16:50	145.0	↓-0.4
9/23 17:00	144.3	↓-0.7
9/23 17:10	143.2	↓-1.1
9/23 17:20	141.7	↓-1.5
9/23 17:30	140.0	↓-1.7
9/23 17:40	137.9	↓-2.1
9/23 17:50	135.5	↓-2.4
9/23 18:00	132.7	↓-2.8
9/23 18:10	129.7	↓-3.0
9/23 18:20	126.4	↓-3.3
9/23 18:30	122.9	↓-3.5
9/23 18:40	119.2	↓-3.7
9/23 18:50	115.2	↓-4.0
9/23 19:00	111.1	↓-4.1
9/23 19:10	106.8	↓-4.3
9/23 19:20	102.5	↓-4.3
9/23 19:30	98.1	↓-4.4
9/23 19:40	93.6	↓-4.5	最大潮位差
9/23 19:50	89.2	↓-4.4
9/23 20:00	84.8	↓-4.4
9/23 20:10	80.4	↓-4.4
9/23 20:20	76.2	↓-4.2
9/23 20:30	72.0	↓-4.2
9/23 20:40	68.1	↓-3.9
9/23 20:50	64.3	↓-3.8
9/23 21:00	60.7	↓-3.6
9/23 21:10	57.3	↓-3.4
9/23 21:20	54.2	↓-3.1
9/23 21:30	51.4	↓-2.8
9/23 21:40	48.8	↓-2.6
9/23 21:50	46.6	↓-2.2
9/23 22:00	44.6	↓-2.0
9/23 22:10	42.9	↓-1.7
9/23 22:20	41.6	↓-1.3
9/23 22:30	40.6	↓-1.0
9/23 22:40	40.0	↓-0.6
9/23 22:50	39.6	↓-0.4	干潮
9/23 23:00	39.7	↑0.1
9/23 23:10	40.1	↑0.4
9/23 23:20	40.8	↑0.7
9/23 23:30	41.9	↑1.1
9/23 23:40	43.4	↑1.5
9/23 23:50	45.2	↑1.8