7 (火)	01:25	06:40	13:00	19:53
	103cm	75cm	124cm	46cm
中潮 出 06:36 入 16:24 出 14:03 入 02:06

日立（茨城）2038年12月7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
12/7 00:00	98.1	↑1.1
12/7 00:10	99.1	↑1.0
12/7 00:20	100.0	↑0.9
12/7 00:30	100.7	↑0.7
12/7 00:40	101.4	↑0.7
12/7 00:50	101.9	↑0.5
12/7 01:00	102.3	↑0.4
12/7 01:10	102.5	↑0.2
12/7 01:20	102.6	↑0.1	満潮
12/7 01:30	102.6	0
12/7 01:40	102.5	↓-0.1
12/7 01:50	102.2	↓-0.3
12/7 02:00	101.7	↓-0.5
12/7 02:10	101.2	↓-0.5
12/7 02:20	100.5	↓-0.7
12/7 02:30	99.7	↓-0.8
12/7 02:40	98.7	↓-1.0
12/7 02:50	97.7	↓-1.0
12/7 03:00	96.5	↓-1.2
12/7 03:10	95.3	↓-1.2
12/7 03:20	94.0	↓-1.3
12/7 03:30	92.6	↓-1.4
12/7 03:40	91.2	↓-1.4
12/7 03:50	89.8	↓-1.4
12/7 04:00	88.3	↓-1.5
12/7 04:10	86.9	↓-1.4
12/7 04:20	85.5	↓-1.4
12/7 04:30	84.1	↓-1.4
12/7 04:40	82.7	↓-1.4
12/7 04:50	81.4	↓-1.3
12/7 05:00	80.2	↓-1.2
12/7 05:10	79.1	↓-1.1
12/7 05:20	78.1	↓-1.0
12/7 05:30	77.1	↓-1.0
12/7 05:40	76.3	↓-0.8
12/7 05:50	75.6	↓-0.7
12/7 06:00	75.1	↓-0.5
12/7 06:10	74.6	↓-0.5
12/7 06:20	74.3	↓-0.3
12/7 06:30	74.1	↓-0.2	干潮
12/7 06:40	74.1	0	干潮
12/7 06:50	74.2	↑0.1
12/7 07:00	74.4	↑0.2
12/7 07:10	74.8	↑0.4
12/7 07:20	75.3	↑0.5
12/7 07:30	75.9	↑0.6
12/7 07:40	76.7	↑0.8
12/7 07:50	77.6	↑0.9
12/7 08:00	78.7	↑1.1
12/7 08:10	79.9	↑1.2
12/7 08:20	81.2	↑1.3
12/7 08:30	82.6	↑1.4
12/7 08:40	84.2	↑1.6
12/7 08:50	85.9	↑1.7
12/7 09:00	87.6	↑1.7
12/7 09:10	89.5	↑1.9
12/7 09:20	91.4	↑1.9
12/7 09:30	93.4	↑2.0
12/7 09:40	95.5	↑2.1
12/7 09:50	97.5	↑2.0
12/7 10:00	99.6	↑2.1
12/7 10:10	101.7	↑2.1
12/7 10:20	103.8	↑2.1
12/7 10:30	105.8	↑2.0
12/7 10:40	107.7	↑1.9
12/7 10:50	109.7	↑2.0
12/7 11:00	111.5	↑1.8
12/7 11:10	113.2	↑1.7
12/7 11:20	114.8	↑1.6
12/7 11:30	116.3	↑1.5
12/7 11:40	117.7	↑1.4
12/7 11:50	118.9	↑1.2
12/7 12:00	120.0	↑1.1
12/7 12:10	121.0	↑1.0
12/7 12:20	121.8	↑0.8
12/7 12:30	122.4	↑0.6
12/7 12:40	122.8	↑0.4
12/7 12:50	123.1	↑0.3	満潮
12/7 13:00	123.2	↑0.1	満潮
12/7 13:10	123.0	↓-0.2
12/7 13:20	122.8	↓-0.2
12/7 13:30	122.3	↓-0.5
12/7 13:40	121.6	↓-0.7
12/7 13:50	120.7	↓-0.9
12/7 14:00	119.6	↓-1.1
12/7 14:10	118.3	↓-1.3
12/7 14:20	116.8	↓-1.5
12/7 14:30	115.1	↓-1.7
12/7 14:40	113.3	↓-1.8
12/7 14:50	111.2	↓-2.1
12/7 15:00	109.0	↓-2.2
12/7 15:10	106.6	↓-2.4
12/7 15:20	104.0	↓-2.6
12/7 15:30	101.3	↓-2.7
12/7 15:40	98.5	↓-2.8
12/7 15:50	95.6	↓-2.9
12/7 16:00	92.7	↓-2.9
12/7 16:10	89.6	↓-3.1	最大潮位差
12/7 16:20	86.6	↓-3.0
12/7 16:30	83.5	↓-3.1	最大潮位差
12/7 16:40	80.4	↓-3.1	最大潮位差
12/7 16:50	77.3	↓-3.1	最大潮位差
12/7 17:00	74.3	↓-3.0
12/7 17:10	71.4	↓-2.9
12/7 17:20	68.6	↓-2.8
12/7 17:30	65.8	↓-2.8
12/7 17:40	63.2	↓-2.6
12/7 17:50	60.7	↓-2.5
12/7 18:00	58.4	↓-2.3
12/7 18:10	56.2	↓-2.2
12/7 18:20	54.2	↓-2.0
12/7 18:30	52.4	↓-1.8
12/7 18:40	50.7	↓-1.7
12/7 18:50	49.3	↓-1.4
12/7 19:00	48.0	↓-1.3
12/7 19:10	47.0	↓-1.0
12/7 19:20	46.2	↓-0.8
12/7 19:30	45.6	↓-0.6
12/7 19:40	45.2	↓-0.4
12/7 19:50	45.0	↓-0.2	干潮
12/7 20:00	45.1	↑0.1
12/7 20:10	45.4	↑0.3
12/7 20:20	45.9	↑0.5
12/7 20:30	46.6	↑0.7
12/7 20:40	47.6	↑1.0
12/7 20:50	48.7	↑1.1
12/7 21:00	50.1	↑1.4
12/7 21:10	51.7	↑1.6
12/7 21:20	53.4	↑1.7
12/7 21:30	55.4	↑2.0
12/7 21:40	57.4	↑2.0
12/7 21:50	59.7	↑2.3
12/7 22:00	62.0	↑2.3
12/7 22:10	64.4	↑2.4
12/7 22:20	66.9	↑2.5
12/7 22:30	69.5	↑2.6
12/7 22:40	72.1	↑2.6
12/7 22:50	74.8	↑2.7
12/7 23:00	77.4	↑2.6
12/7 23:10	80.0	↑2.6
12/7 23:20	82.6	↑2.6
12/7 23:30	85.2	↑2.6
12/7 23:40	87.6	↑2.4
12/7 23:50	90.0	↑2.4