09 (金)	07:56	01:31	18:55	12:56
	120cm	51cm	139cm	90cm
中潮 出 05:15 入 17:56 出 21:38 入 11:16

日立（茨城）2039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	60.5	↓-2.2
9/9 00:10	58.5	↓-2.0
9/9 00:20	56.8	↓-1.7
9/9 00:30	55.2	↓-1.6
9/9 00:40	53.9	↓-1.3
9/9 00:50	52.8	↓-1.1
9/9 01:00	51.9	↓-0.9
9/9 01:10	51.3	↓-0.6
9/9 01:20	50.9	↓-0.4
9/9 01:30	50.8	↓-0.1	干潮
9/9 01:40	51.0	↑0.2
9/9 01:50	51.3	↑0.3
9/9 02:00	52.0	↑0.7
9/9 02:10	52.8	↑0.8
9/9 02:20	53.9	↑1.1
9/9 02:30	55.3	↑1.4
9/9 02:40	56.8	↑1.5
9/9 02:50	58.6	↑1.8
9/9 03:00	60.5	↑1.9
9/9 03:10	62.7	↑2.2
9/9 03:20	65.0	↑2.3
9/9 03:30	67.4	↑2.4
9/9 03:40	70.0	↑2.6
9/9 03:50	72.7	↑2.7
9/9 04:00	75.4	↑2.7
9/9 04:10	78.2	↑2.8
9/9 04:20	81.1	↑2.9
9/9 04:30	83.9	↑2.8
9/9 04:40	86.8	↑2.9
9/9 04:50	89.6	↑2.8
9/9 05:00	92.4	↑2.8
9/9 05:10	95.1	↑2.7
9/9 05:20	97.8	↑2.7
9/9 05:30	100.3	↑2.5
9/9 05:40	102.7	↑2.4
9/9 05:50	105.0	↑2.3
9/9 06:00	107.1	↑2.1
9/9 06:10	109.1	↑2.0
9/9 06:20	111.0	↑1.9
9/9 06:30	112.6	↑1.6
9/9 06:40	114.1	↑1.5
9/9 06:50	115.4	↑1.3
9/9 07:00	116.6	↑1.2
9/9 07:10	117.5	↑0.9
9/9 07:20	118.3	↑0.8
9/9 07:30	118.8	↑0.5
9/9 07:40	119.2	↑0.4
9/9 07:50	119.4	↑0.2	満潮
9/9 08:00	119.4	0
9/9 08:10	119.2	↓-0.2
9/9 08:20	118.9	↓-0.3
9/9 08:30	118.4	↓-0.5
9/9 08:40	117.7	↓-0.7
9/9 08:50	116.8	↓-0.9
9/9 09:00	115.8	↓-1.0
9/9 09:10	114.7	↓-1.1
9/9 09:20	113.5	↓-1.2
9/9 09:30	112.2	↓-1.3
9/9 09:40	110.7	↓-1.5
9/9 09:50	109.3	↓-1.4
9/9 10:00	107.7	↓-1.6
9/9 10:10	106.2	↓-1.5
9/9 10:20	104.6	↓-1.6
9/9 10:30	103.0	↓-1.6
9/9 10:40	101.5	↓-1.5
9/9 10:50	99.9	↓-1.6
9/9 11:00	98.5	↓-1.4
9/9 11:10	97.1	↓-1.4
9/9 11:20	95.8	↓-1.3
9/9 11:30	94.6	↓-1.2
9/9 11:40	93.4	↓-1.2
9/9 11:50	92.4	↓-1.0
9/9 12:00	91.6	↓-0.8
9/9 12:10	90.8	↓-0.8
9/9 12:20	90.2	↓-0.6
9/9 12:30	89.8	↓-0.4
9/9 12:40	89.4	↓-0.4
9/9 12:50	89.3	↓-0.1	干潮
9/9 13:00	89.3	0
9/9 13:10	89.4	↑0.1
9/9 13:20	89.7	↑0.3
9/9 13:30	90.2	↑0.5
9/9 13:40	90.8	↑0.6
9/9 13:50	91.6	↑0.8
9/9 14:00	92.6	↑1.0
9/9 14:10	93.7	↑1.1
9/9 14:20	94.9	↑1.2
9/9 14:30	96.3	↑1.4
9/9 14:40	97.8	↑1.5
9/9 14:50	99.5	↑1.7
9/9 15:00	101.3	↑1.8
9/9 15:10	103.1	↑1.8
9/9 15:20	105.1	↑2.0
9/9 15:30	107.2	↑2.1
9/9 15:40	109.3	↑2.1
9/9 15:50	111.4	↑2.1
9/9 16:00	113.6	↑2.2
9/9 16:10	115.8	↑2.2
9/9 16:20	118.0	↑2.2
9/9 16:30	120.1	↑2.1
9/9 16:40	122.2	↑2.1
9/9 16:50	124.3	↑2.1
9/9 17:00	126.2	↑1.9
9/9 17:10	128.1	↑1.9
9/9 17:20	129.8	↑1.7
9/9 17:30	131.4	↑1.6
9/9 17:40	132.9	↑1.5
9/9 17:50	134.2	↑1.3
9/9 18:00	135.3	↑1.1
9/9 18:10	136.2	↑0.9
9/9 18:20	137.0	↑0.8
9/9 18:30	137.6	↑0.6
9/9 18:40	138.0	↑0.4
9/9 18:50	138.2	↑0.2	満潮
9/9 19:00	138.2	0
9/9 19:10	137.9	↓-0.3
9/9 19:20	137.5	↓-0.4
9/9 19:30	136.9	↓-0.6
9/9 19:40	136.1	↓-0.8
9/9 19:50	135.0	↓-1.1
9/9 20:00	133.8	↓-1.2
9/9 20:10	132.4	↓-1.4
9/9 20:20	130.8	↓-1.6
9/9 20:30	129.0	↓-1.8
9/9 20:40	127.0	↓-2.0
9/9 20:50	124.9	↓-2.1
9/9 21:00	122.6	↓-2.3
9/9 21:10	120.1	↓-2.5
9/9 21:20	117.6	↓-2.5
9/9 21:30	114.9	↓-2.7
9/9 21:40	112.1	↓-2.8
9/9 21:50	109.2	↓-2.9
9/9 22:00	106.3	↓-2.9
9/9 22:10	103.3	↓-3.0
9/9 22:20	100.2	↓-3.1	最大潮位差
9/9 22:30	97.2	↓-3.0
9/9 22:40	94.1	↓-3.1	最大潮位差
9/9 22:50	91.1	↓-3.0
9/9 23:00	88.1	↓-3.0
9/9 23:10	85.2	↓-2.9
9/9 23:20	82.3	↓-2.9
9/9 23:30	79.5	↓-2.8
9/9 23:40	76.8	↓-2.7
9/9 23:50	74.2	↓-2.6