07 (日)	04:32	10:32	16:26	22:46
	148cm	56cm	146cm	38cm
大潮 出 05:38 入 17:14 出 06:20 入 17:54

日立（茨城）2040年10月07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
10/7 00:00	64.4	↑3.2
10/7 00:10	67.7	↑3.3
10/7 00:20	71.4	↑3.7
10/7 00:30	75.2	↑3.8
10/7 00:40	79.1	↑3.9
10/7 00:50	83.3	↑4.2
10/7 01:00	87.5	↑4.2
10/7 01:10	91.8	↑4.3
10/7 01:20	96.1	↑4.3
10/7 01:30	100.4	↑4.3
10/7 01:40	104.7	↑4.3
10/7 01:50	108.9	↑4.2
10/7 02:00	113.1	↑4.2
10/7 02:10	117.1	↑4.0
10/7 02:20	120.9	↑3.8
10/7 02:30	124.6	↑3.7
10/7 02:40	128.0	↑3.4
10/7 02:50	131.3	↑3.3
10/7 03:00	134.2	↑2.9
10/7 03:10	137.0	↑2.8
10/7 03:20	139.4	↑2.4
10/7 03:30	141.5	↑2.1
10/7 03:40	143.4	↑1.9
10/7 03:50	144.9	↑1.5
10/7 04:00	146.1	↑1.2
10/7 04:10	147.0	↑0.9
10/7 04:20	147.5	↑0.5
10/7 04:30	147.7	↑0.2	満潮
10/7 04:40	147.6	↓-0.1
10/7 04:50	147.1	↓-0.5
10/7 05:00	146.3	↓-0.8
10/7 05:10	145.2	↓-1.1
10/7 05:20	143.7	↓-1.5
10/7 05:30	141.9	↓-1.8
10/7 05:40	139.8	↓-2.1
10/7 05:50	137.4	↓-2.4
10/7 06:00	134.7	↓-2.7
10/7 06:10	131.7	↓-3.0
10/7 06:20	128.5	↓-3.2
10/7 06:30	125.1	↓-3.4
10/7 06:40	121.5	↓-3.6
10/7 06:50	117.7	↓-3.8
10/7 07:00	113.8	↓-3.9
10/7 07:10	109.8	↓-4.0
10/7 07:20	105.7	↓-4.1
10/7 07:30	101.7	↓-4.0
10/7 07:40	97.6	↓-4.1
10/7 07:50	93.6	↓-4.0
10/7 08:00	89.6	↓-4.0
10/7 08:10	85.7	↓-3.9
10/7 08:20	82.0	↓-3.7
10/7 08:30	78.5	↓-3.5
10/7 08:40	75.1	↓-3.4
10/7 08:50	72.0	↓-3.1
10/7 09:00	69.1	↓-2.9
10/7 09:10	66.4	↓-2.7
10/7 09:20	64.1	↓-2.3
10/7 09:30	62.0	↓-2.1
10/7 09:40	60.2	↓-1.8
10/7 09:50	58.7	↓-1.5
10/7 10:00	57.5	↓-1.2
10/7 10:10	56.6	↓-0.9
10/7 10:20	56.1	↓-0.5
10/7 10:30	55.9	↓-0.2	干潮
10/7 10:40	56.0	↑0.1
10/7 10:50	56.4	↑0.4
10/7 11:00	57.2	↑0.8
10/7 11:10	58.3	↑1.1
10/7 11:20	59.8	↑1.5
10/7 11:30	61.5	↑1.7
10/7 11:40	63.6	↑2.1
10/7 11:50	65.9	↑2.3
10/7 12:00	68.6	↑2.7
10/7 12:10	71.5	↑2.9
10/7 12:20	74.6	↑3.1
10/7 12:30	78.0	↑3.4
10/7 12:40	81.5	↑3.5
10/7 12:50	85.3	↑3.8
10/7 13:00	89.1	↑3.8
10/7 13:10	93.0	↑3.9
10/7 13:20	97.1	↑4.1
10/7 13:30	101.1	↑4.0
10/7 13:40	105.1	↑4.0
10/7 13:50	109.1	↑4.0
10/7 14:00	113.1	↑4.0
10/7 14:10	116.9	↑3.8
10/7 14:20	120.6	↑3.7
10/7 14:30	124.1	↑3.5
10/7 14:40	127.4	↑3.3
10/7 14:50	130.5	↑3.1
10/7 15:00	133.3	↑2.8
10/7 15:10	135.9	↑2.6
10/7 15:20	138.2	↑2.3
10/7 15:30	140.1	↑1.9
10/7 15:40	141.8	↑1.7
10/7 15:50	143.2	↑1.4
10/7 16:00	144.2	↑1.0
10/7 16:10	144.9	↑0.7
10/7 16:20	145.3	↑0.4	満潮
10/7 16:30	145.3	0
10/7 16:40	145.0	↓-0.3
10/7 16:50	144.3	↓-0.7
10/7 17:00	143.3	↓-1.0
10/7 17:10	141.9	↓-1.4
10/7 17:20	140.2	↓-1.7
10/7 17:30	138.2	↓-2.0
10/7 17:40	135.8	↓-2.4
10/7 17:50	133.1	↓-2.7
10/7 18:00	130.2	↓-2.9
10/7 18:10	127.0	↓-3.2
10/7 18:20	123.5	↓-3.5
10/7 18:30	119.7	↓-3.8
10/7 18:40	115.8	↓-3.9
10/7 18:50	111.7	↓-4.1
10/7 19:00	107.4	↓-4.3
10/7 19:10	103.0	↓-4.4
10/7 19:20	98.5	↓-4.5
10/7 19:30	94.0	↓-4.5
10/7 19:40	89.4	↓-4.6	最大潮位差
10/7 19:50	84.9	↓-4.5
10/7 20:00	80.4	↓-4.5
10/7 20:10	76.0	↓-4.4
10/7 20:20	71.7	↓-4.3
10/7 20:30	67.6	↓-4.1
10/7 20:40	63.6	↓-4.0
10/7 20:50	59.9	↓-3.7
10/7 21:00	56.4	↓-3.5
10/7 21:10	53.1	↓-3.3
10/7 21:20	50.1	↓-3.0
10/7 21:30	47.4	↓-2.7
10/7 21:40	45.0	↓-2.4
10/7 21:50	43.0	↓-2.0
10/7 22:00	41.2	↓-1.8
10/7 22:10	39.8	↓-1.4
10/7 22:20	38.7	↓-1.1
10/7 22:30	38.0	↓-0.7
10/7 22:40	37.7	↓-0.3	干潮
10/7 22:50	37.7	0
10/7 23:00	38.0	↑0.3
10/7 23:10	38.7	↑0.7
10/7 23:20	39.8	↑1.1
10/7 23:30	41.2	↑1.4
10/7 23:40	42.9	↑1.7
10/7 23:50	45.0	↑2.1