09 (火)	10:39	03:07	19:51	13:21
	106cm	55cm	129cm	104cm
小潮 出 05:15 入 17:56 出 23:09 入 12:53

日立（茨城）2031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	81.6	↓-2.6	最大潮位差
9/9 00:10	79.1	↓-2.5
9/9 00:20	76.7	↓-2.4
9/9 00:30	74.4	↓-2.3
9/9 00:40	72.1	↓-2.3
9/9 00:50	70.0	↓-2.1
9/9 01:00	68.0	↓-2.0
9/9 01:10	66.1	↓-1.9
9/9 01:20	64.3	↓-1.8
9/9 01:30	62.6	↓-1.7
9/9 01:40	61.1	↓-1.5
9/9 01:50	59.8	↓-1.3
9/9 02:00	58.5	↓-1.3
9/9 02:10	57.5	↓-1.0
9/9 02:20	56.6	↓-0.9
9/9 02:30	55.9	↓-0.7
9/9 02:40	55.3	↓-0.6
9/9 02:50	54.9	↓-0.4
9/9 03:00	54.7	↓-0.2	干潮
9/9 03:10	54.7	0
9/9 03:20	54.9	↑0.2
9/9 03:30	55.2	↑0.3
9/9 03:40	55.7	↑0.5
9/9 03:50	56.3	↑0.6
9/9 04:00	57.1	↑0.8
9/9 04:10	58.1	↑1.0
9/9 04:20	59.2	↑1.1
9/9 04:30	60.4	↑1.2
9/9 04:40	61.8	↑1.4
9/9 04:50	63.2	↑1.4
9/9 05:00	64.7	↑1.5
9/9 05:10	66.3	↑1.6
9/9 05:20	68.0	↑1.7
9/9 05:30	69.8	↑1.8
9/9 05:40	71.6	↑1.8
9/9 05:50	73.4	↑1.8
9/9 06:00	75.2	↑1.8
9/9 06:10	77.0	↑1.8
9/9 06:20	78.9	↑1.9
9/9 06:30	80.7	↑1.8
9/9 06:40	82.5	↑1.8
9/9 06:50	84.3	↑1.8
9/9 07:00	86.1	↑1.8
9/9 07:10	87.8	↑1.7
9/9 07:20	89.5	↑1.7
9/9 07:30	91.1	↑1.6
9/9 07:40	92.6	↑1.5
9/9 07:50	94.1	↑1.5
9/9 08:00	95.5	↑1.4
9/9 08:10	96.8	↑1.3
9/9 08:20	98.0	↑1.2
9/9 08:30	99.2	↑1.2
9/9 08:40	100.2	↑1.0
9/9 08:50	101.2	↑1.0
9/9 09:00	102.0	↑0.8
9/9 09:10	102.8	↑0.8
9/9 09:20	103.5	↑0.7
9/9 09:30	104.0	↑0.5
9/9 09:40	104.5	↑0.5
9/9 09:50	104.9	↑0.4
9/9 10:00	105.2	↑0.3
9/9 10:10	105.4	↑0.2
9/9 10:20	105.5	↑0.1
9/9 10:30	105.6	↑0.1	満潮
9/9 10:40	105.6	0
9/9 10:50	105.6	0
9/9 11:00	105.5	↓-0.1
9/9 11:10	105.4	↓-0.1
9/9 11:20	105.2	↓-0.2
9/9 11:30	105.1	↓-0.1
9/9 11:40	104.9	↓-0.2
9/9 11:50	104.7	↓-0.2
9/9 12:00	104.5	↓-0.2
9/9 12:10	104.3	↓-0.2
9/9 12:20	104.2	↓-0.1
9/9 12:30	104.0	↓-0.2
9/9 12:40	103.9	↓-0.1
9/9 12:50	103.7	↓-0.2
9/9 13:00	103.7	0
9/9 13:10	103.6	↓-0.1
9/9 13:20	103.6	0	干潮
9/9 13:30	103.6	0
9/9 13:40	103.7	↑0.1
9/9 13:50	103.8	↑0.1
9/9 14:00	103.9	↑0.1
9/9 14:10	104.2	↑0.3
9/9 14:20	104.4	↑0.2
9/9 14:30	104.8	↑0.4
9/9 14:40	105.2	↑0.4
9/9 14:50	105.6	↑0.4
9/9 15:00	106.2	↑0.6
9/9 15:10	106.8	↑0.6
9/9 15:20	107.5	↑0.7
9/9 15:30	108.2	↑0.7
9/9 15:40	109.0	↑0.8
9/9 15:50	109.9	↑0.9
9/9 16:00	110.8	↑0.9
9/9 16:10	111.8	↑1.0
9/9 16:20	112.8	↑1.0
9/9 16:30	113.9	↑1.1
9/9 16:40	115.0	↑1.1
9/9 16:50	116.1	↑1.1
9/9 17:00	117.2	↑1.1
9/9 17:10	118.3	↑1.1
9/9 17:20	119.4	↑1.1
9/9 17:30	120.4	↑1.0
9/9 17:40	121.5	↑1.1
9/9 17:50	122.5	↑1.0
9/9 18:00	123.4	↑0.9
9/9 18:10	124.3	↑0.9
9/9 18:20	125.1	↑0.8
9/9 18:30	125.9	↑0.8
9/9 18:40	126.6	↑0.7
9/9 18:50	127.2	↑0.6
9/9 19:00	127.7	↑0.5
9/9 19:10	128.2	↑0.5
9/9 19:20	128.5	↑0.3
9/9 19:30	128.8	↑0.3
9/9 19:40	128.9	↑0.1
9/9 19:50	129.0	↑0.1	満潮
9/9 20:00	128.9	↓-0.1
9/9 20:10	128.7	↓-0.2
9/9 20:20	128.5	↓-0.2
9/9 20:30	128.1	↓-0.4
9/9 20:40	127.6	↓-0.5
9/9 20:50	127.0	↓-0.6
9/9 21:00	126.2	↓-0.8
9/9 21:10	125.4	↓-0.8
9/9 21:20	124.4	↓-1.0
9/9 21:30	123.4	↓-1.0
9/9 21:40	122.2	↓-1.2
9/9 21:50	120.9	↓-1.3
9/9 22:00	119.5	↓-1.4
9/9 22:10	118.0	↓-1.5
9/9 22:20	116.5	↓-1.5
9/9 22:30	114.8	↓-1.7
9/9 22:40	113.1	↓-1.7
9/9 22:50	111.3	↓-1.8
9/9 23:00	109.4	↓-1.9
9/9 23:10	107.5	↓-1.9
9/9 23:20	105.6	↓-1.9
9/9 23:30	103.6	↓-2.0
9/9 23:40	101.5	↓-2.1
9/9 23:50	99.5	↓-2.0