13 (土)	11:27	02:19	18:50	13:04
	116cm	37cm	135cm	116cm
小潮 出 05:44 入 17:05 出 12:56 入 22:27

日立（茨城）2040年10月13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
10/13 00:00	54.9	↓-2.7
10/13 00:10	52.3	↓-2.6
10/13 00:20	50.0	↓-2.3
10/13 00:30	47.7	↓-2.3
10/13 00:40	45.7	↓-2.0
10/13 00:50	43.9	↓-1.8
10/13 01:00	42.2	↓-1.7
10/13 01:10	40.7	↓-1.5
10/13 01:20	39.5	↓-1.2
10/13 01:30	38.4	↓-1.1
10/13 01:40	37.5	↓-0.9
10/13 01:50	36.9	↓-0.6
10/13 02:00	36.4	↓-0.5
10/13 02:10	36.1	↓-0.3	干潮
10/13 02:20	36.1	0
10/13 02:30	36.2	↑0.1
10/13 02:40	36.6	↑0.4
10/13 02:50	37.1	↑0.5
10/13 03:00	37.9	↑0.8
10/13 03:10	38.8	↑0.9
10/13 03:20	39.9	↑1.1
10/13 03:30	41.2	↑1.3
10/13 03:40	42.6	↑1.4
10/13 03:50	44.2	↑1.6
10/13 04:00	46.0	↑1.8
10/13 04:10	47.8	↑1.8
10/13 04:20	49.8	↑2.0
10/13 04:30	51.9	↑2.1
10/13 04:40	54.2	↑2.3
10/13 04:50	56.4	↑2.2
10/13 05:00	58.8	↑2.4
10/13 05:10	61.2	↑2.4
10/13 05:20	63.6	↑2.4
10/13 05:30	66.1	↑2.5
10/13 05:40	68.6	↑2.5
10/13 05:50	71.1	↑2.5
10/13 06:00	73.6	↑2.5
10/13 06:10	76.1	↑2.5
10/13 06:20	78.5	↑2.4
10/13 06:30	80.9	↑2.4
10/13 06:40	83.3	↑2.4
10/13 06:50	85.6	↑2.3
10/13 07:00	87.9	↑2.3
10/13 07:10	90.1	↑2.2
10/13 07:20	92.3	↑2.2
10/13 07:30	94.3	↑2.0
10/13 07:40	96.3	↑2.0
10/13 07:50	98.2	↑1.9
10/13 08:00	100.0	↑1.8
10/13 08:10	101.7	↑1.7
10/13 08:20	103.3	↑1.6
10/13 08:30	104.9	↑1.6
10/13 08:40	106.3	↑1.4
10/13 08:50	107.6	↑1.3
10/13 09:00	108.8	↑1.2
10/13 09:10	109.9	↑1.1
10/13 09:20	110.8	↑0.9
10/13 09:30	111.7	↑0.9
10/13 09:40	112.5	↑0.8
10/13 09:50	113.2	↑0.7
10/13 10:00	113.7	↑0.5
10/13 10:10	114.2	↑0.5
10/13 10:20	114.6	↑0.4
10/13 10:30	114.9	↑0.3
10/13 10:40	115.2	↑0.3
10/13 10:50	115.3	↑0.1
10/13 11:00	115.5	↑0.2
10/13 11:10	115.6	↑0.1
10/13 11:20	115.6	0	満潮
10/13 11:30	115.6	0
10/13 11:40	115.6	0
10/13 11:50	115.5	↓-0.1
10/13 12:00	115.5	0
10/13 12:10	115.4	↓-0.1
10/13 12:20	115.3	↓-0.1
10/13 12:30	115.3	0
10/13 12:40	115.2	↓-0.1
10/13 12:50	115.2	0
10/13 13:00	115.2	0	干潮
10/13 13:10	115.2	0
10/13 13:20	115.2	0
10/13 13:30	115.3	↑0.1
10/13 13:40	115.4	↑0.1
10/13 13:50	115.5	↑0.1
10/13 14:00	115.7	↑0.2
10/13 14:10	116.0	↑0.3
10/13 14:20	116.3	↑0.3
10/13 14:30	116.6	↑0.3
10/13 14:40	117.0	↑0.4
10/13 14:50	117.5	↑0.5
10/13 15:00	118.1	↑0.6
10/13 15:10	118.7	↑0.6
10/13 15:20	119.3	↑0.6
10/13 15:30	120.1	↑0.8
10/13 15:40	120.8	↑0.7
10/13 15:50	121.7	↑0.9
10/13 16:00	122.5	↑0.8
10/13 16:10	123.4	↑0.9
10/13 16:20	124.4	↑1.0
10/13 16:30	125.3	↑0.9
10/13 16:40	126.3	↑1.0
10/13 16:50	127.2	↑0.9
10/13 17:00	128.2	↑1.0
10/13 17:10	129.1	↑0.9
10/13 17:20	129.9	↑0.8
10/13 17:30	130.7	↑0.8
10/13 17:40	131.5	↑0.8
10/13 17:50	132.1	↑0.6
10/13 18:00	132.7	↑0.6
10/13 18:10	133.2	↑0.5
10/13 18:20	133.6	↑0.4
10/13 18:30	133.9	↑0.3
10/13 18:40	134.1	↑0.2	満潮
10/13 18:50	134.1	0	満潮
10/13 19:00	134.0	↓-0.1
10/13 19:10	133.8	↓-0.2
10/13 19:20	133.5	↓-0.3
10/13 19:30	133.0	↓-0.5
10/13 19:40	132.4	↓-0.6
10/13 19:50	131.6	↓-0.8
10/13 20:00	130.7	↓-0.9
10/13 20:10	129.6	↓-1.1
10/13 20:20	128.4	↓-1.2
10/13 20:30	127.1	↓-1.3
10/13 20:40	125.6	↓-1.5
10/13 20:50	124.0	↓-1.6
10/13 21:00	122.2	↓-1.8
10/13 21:10	120.3	↓-1.9
10/13 21:20	118.3	↓-2.0
10/13 21:30	116.2	↓-2.1
10/13 21:40	113.9	↓-2.3
10/13 21:50	111.6	↓-2.3
10/13 22:00	109.1	↓-2.5
10/13 22:10	106.6	↓-2.5
10/13 22:20	104.0	↓-2.6
10/13 22:30	101.4	↓-2.6
10/13 22:40	98.7	↓-2.7
10/13 22:50	95.9	↓-2.8	最大潮位差
10/13 23:00	93.2	↓-2.7
10/13 23:10	90.4	↓-2.8	最大潮位差
10/13 23:20	87.7	↓-2.7
10/13 23:30	84.9	↓-2.8	最大潮位差
10/13 23:40	82.2	↓-2.7
10/13 23:50	79.5	↓-2.7