09 (日)	05:12	11:29	17:38	23:43
	147cm	48cm	145cm	55cm
中潮 出 05:16 入 17:55 出 07:27 入 19:24

日立（茨城）2040年09月09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
9/9 00:00	64.7	↑1.3
9/9 00:10	66.3	↑1.6
9/9 00:20	68.2	↑1.9
9/9 00:30	70.4	↑2.2
9/9 00:40	72.8	↑2.4
9/9 00:50	75.5	↑2.7
9/9 01:00	78.4	↑2.9
9/9 01:10	81.5	↑3.1
9/9 01:20	84.8	↑3.3
9/9 01:30	88.3	↑3.5
9/9 01:40	91.9	↑3.6
9/9 01:50	95.6	↑3.7
9/9 02:00	99.4	↑3.8
9/9 02:10	103.2	↑3.8
9/9 02:20	107.0	↑3.8
9/9 02:30	110.8	↑3.8
9/9 02:40	114.6	↑3.8
9/9 02:50	118.2	↑3.6
9/9 03:00	121.7	↑3.5
9/9 03:10	125.1	↑3.4
9/9 03:20	128.3	↑3.2
9/9 03:30	131.3	↑3.0
9/9 03:40	134.1	↑2.8
9/9 03:50	136.6	↑2.5
9/9 04:00	138.9	↑2.3
9/9 04:10	141.0	↑2.1
9/9 04:20	142.7	↑1.7
9/9 04:30	144.2	↑1.5
9/9 04:40	145.3	↑1.1
9/9 04:50	146.2	↑0.9
9/9 05:00	146.7	↑0.5
9/9 05:10	146.9	↑0.2	満潮
9/9 05:20	146.8	↓-0.1
9/9 05:30	146.3	↓-0.5
9/9 05:40	145.6	↓-0.7
9/9 05:50	144.5	↓-1.1
9/9 06:00	143.1	↓-1.4
9/9 06:10	141.4	↓-1.7
9/9 06:20	139.4	↓-2.0
9/9 06:30	137.1	↓-2.3
9/9 06:40	134.5	↓-2.6
9/9 06:50	131.6	↓-2.9
9/9 07:00	128.5	↓-3.1
9/9 07:10	125.2	↓-3.3
9/9 07:20	121.6	↓-3.6
9/9 07:30	117.9	↓-3.7
9/9 07:40	114.0	↓-3.9
9/9 07:50	110.0	↓-4.0
9/9 08:00	105.8	↓-4.2
9/9 08:10	101.7	↓-4.1
9/9 08:20	97.4	↓-4.3	最大潮位差
9/9 08:30	93.2	↓-4.2
9/9 08:40	89.0	↓-4.2
9/9 08:50	84.9	↓-4.1
9/9 09:00	80.9	↓-4.0
9/9 09:10	77.0	↓-3.9
9/9 09:20	73.3	↓-3.7
9/9 09:30	69.7	↓-3.6
9/9 09:40	66.4	↓-3.3
9/9 09:50	63.3	↓-3.1
9/9 10:00	60.4	↓-2.9
9/9 10:10	57.8	↓-2.6
9/9 10:20	55.4	↓-2.4
9/9 10:30	53.4	↓-2.0
9/9 10:40	51.6	↓-1.8
9/9 10:50	50.2	↓-1.4
9/9 11:00	49.1	↓-1.1
9/9 11:10	48.3	↓-0.8
9/9 11:20	47.9	↓-0.4	干潮
9/9 11:30	47.8	↓-0.1
9/9 11:40	48.0	↑0.2
9/9 11:50	48.5	↑0.5
9/9 12:00	49.4	↑0.9
9/9 12:10	50.6	↑1.2
9/9 12:20	52.2	↑1.6
9/9 12:30	54.1	↑1.9
9/9 12:40	56.2	↑2.1
9/9 12:50	58.7	↑2.5
9/9 13:00	61.5	↑2.8
9/9 13:10	64.5	↑3.0
9/9 13:20	67.8	↑3.3
9/9 13:30	71.3	↑3.5
9/9 13:40	74.9	↑3.6
9/9 13:50	78.8	↑3.9
9/9 14:00	82.8	↑4.0
9/9 14:10	86.9	↑4.1
9/9 14:20	91.0	↑4.1
9/9 14:30	95.2	↑4.2
9/9 14:40	99.4	↑4.2
9/9 14:50	103.6	↑4.2
9/9 15:00	107.7	↑4.1
9/9 15:10	111.7	↑4.0
9/9 15:20	115.6	↑3.9
9/9 15:30	119.3	↑3.7
9/9 15:40	122.8	↑3.5
9/9 15:50	126.2	↑3.4
9/9 16:00	129.2	↑3.0
9/9 16:10	132.1	↑2.9
9/9 16:20	134.7	↑2.6
9/9 16:30	137.0	↑2.3
9/9 16:40	139.0	↑2.0
9/9 16:50	140.6	↑1.6
9/9 17:00	142.0	↑1.4
9/9 17:10	143.1	↑1.1
9/9 17:20	143.8	↑0.7
9/9 17:30	144.2	↑0.4	満潮
9/9 17:40	144.3	↑0.1
9/9 17:50	144.0	↓-0.3
9/9 18:00	143.4	↓-0.6
9/9 18:10	142.5	↓-0.9
9/9 18:20	141.3	↓-1.2
9/9 18:30	139.8	↓-1.5
9/9 18:40	137.9	↓-1.9
9/9 18:50	135.8	↓-2.1
9/9 19:00	133.3	↓-2.5
9/9 19:10	130.7	↓-2.6
9/9 19:20	127.7	↓-3.0
9/9 19:30	124.6	↓-3.1
9/9 19:40	121.3	↓-3.3
9/9 19:50	117.7	↓-3.6
9/9 20:00	114.1	↓-3.6
9/9 20:10	110.3	↓-3.8
9/9 20:20	106.5	↓-3.8
9/9 20:30	102.6	↓-3.9
9/9 20:40	98.6	↓-4.0
9/9 20:50	94.7	↓-3.9
9/9 21:00	90.8	↓-3.9
9/9 21:10	87.1	↓-3.7
9/9 21:20	83.4	↓-3.7
9/9 21:30	79.8	↓-3.6
9/9 21:40	76.4	↓-3.4
9/9 21:50	73.2	↓-3.2
9/9 22:00	70.2	↓-3.0
9/9 22:10	67.4	↓-2.8
9/9 22:20	64.9	↓-2.5
9/9 22:30	62.6	↓-2.3
9/9 22:40	60.6	↓-2.0
9/9 22:50	58.9	↓-1.7
9/9 23:00	57.5	↓-1.4
9/9 23:10	56.3	↓-1.2
9/9 23:20	55.5	↓-0.8
9/9 23:30	55.0	↓-0.5
9/9 23:40	54.8	↓-0.2	干潮
9/9 23:50	54.9	↑0.1