22 (火)	04:45	09:44	15:01	22:17
	127cm	87cm	136cm	1cm
大潮 出 06:46 入 16:28 出 16:18 入 06:04

日立（茨城）2037年12月22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
12/22 00:00	39.8	↑4.0
12/22 00:10	44.0	↑4.2
12/22 00:20	48.3	↑4.3
12/22 00:30	52.8	↑4.5
12/22 00:40	57.3	↑4.5
12/22 00:50	61.8	↑4.5
12/22 01:00	66.3	↑4.5
12/22 01:10	70.9	↑4.6
12/22 01:20	75.3	↑4.4
12/22 01:30	79.7	↑4.4
12/22 01:40	84.0	↑4.3
12/22 01:50	88.2	↑4.2
12/22 02:00	92.2	↑4.0
12/22 02:10	96.0	↑3.8
12/22 02:20	99.7	↑3.7
12/22 02:30	103.2	↑3.5
12/22 02:40	106.5	↑3.3
12/22 02:50	109.6	↑3.1
12/22 03:00	112.4	↑2.8
12/22 03:10	115.0	↑2.6
12/22 03:20	117.4	↑2.4
12/22 03:30	119.5	↑2.1
12/22 03:40	121.3	↑1.8
12/22 03:50	122.9	↑1.6
12/22 04:00	124.3	↑1.4
12/22 04:10	125.3	↑1.0
12/22 04:20	126.1	↑0.8
12/22 04:30	126.6	↑0.5
12/22 04:40	126.9	↑0.3	満潮
12/22 04:50	126.8	↓-0.1
12/22 05:00	126.5	↓-0.3
12/22 05:10	126.0	↓-0.5
12/22 05:20	125.2	↓-0.8
12/22 05:30	124.2	↓-1.0
12/22 05:40	122.9	↓-1.3
12/22 05:50	121.5	↓-1.4
12/22 06:00	119.9	↓-1.6
12/22 06:10	118.1	↓-1.8
12/22 06:20	116.3	↓-1.8
12/22 06:30	114.3	↓-2.0
12/22 06:40	112.2	↓-2.1
12/22 06:50	110.1	↓-2.1
12/22 07:00	107.9	↓-2.2
12/22 07:10	105.8	↓-2.1
12/22 07:20	103.7	↓-2.1
12/22 07:30	101.7	↓-2.0
12/22 07:40	99.7	↓-2.0
12/22 07:50	97.8	↓-1.9
12/22 08:00	96.0	↓-1.8
12/22 08:10	94.3	↓-1.7
12/22 08:20	92.8	↓-1.5
12/22 08:30	91.5	↓-1.3
12/22 08:40	90.2	↓-1.3
12/22 08:50	89.2	↓-1.0
12/22 09:00	88.3	↓-0.9
12/22 09:10	87.6	↓-0.7
12/22 09:20	87.1	↓-0.5
12/22 09:30	86.7	↓-0.4
12/22 09:40	86.6	↓-0.1	干潮
12/22 09:50	86.6	0
12/22 10:00	86.9	↑0.3
12/22 10:10	87.3	↑0.4
12/22 10:20	87.9	↑0.6
12/22 10:30	88.8	↑0.9
12/22 10:40	89.8	↑1.0
12/22 10:50	91.0	↑1.2
12/22 11:00	92.4	↑1.4
12/22 11:10	94.0	↑1.6
12/22 11:20	95.7	↑1.7
12/22 11:30	97.7	↑2.0
12/22 11:40	99.7	↑2.0
12/22 11:50	101.9	↑2.2
12/22 12:00	104.1	↑2.2
12/22 12:10	106.5	↑2.4
12/22 12:20	108.9	↑2.4
12/22 12:30	111.4	↑2.5
12/22 12:40	113.8	↑2.4
12/22 12:50	116.2	↑2.4
12/22 13:00	118.6	↑2.4
12/22 13:10	120.9	↑2.3
12/22 13:20	123.2	↑2.3
12/22 13:30	125.2	↑2.0
12/22 13:40	127.2	↑2.0
12/22 13:50	128.9	↑1.7
12/22 14:00	130.5	↑1.6
12/22 14:10	131.9	↑1.4
12/22 14:20	133.0	↑1.1
12/22 14:30	133.9	↑0.9
12/22 14:40	134.6	↑0.7
12/22 14:50	135.0	↑0.4
12/22 15:00	135.1	↑0.1	満潮
12/22 15:10	135.0	↓-0.1
12/22 15:20	134.6	↓-0.4
12/22 15:30	133.9	↓-0.7
12/22 15:40	132.9	↓-1.0
12/22 15:50	131.7	↓-1.2
12/22 16:00	130.2	↓-1.5
12/22 16:10	128.3	↓-1.9
12/22 16:20	126.2	↓-2.1
12/22 16:30	123.8	↓-2.4
12/22 16:40	121.1	↓-2.7
12/22 16:50	118.2	↓-2.9
12/22 17:00	114.9	↓-3.3
12/22 17:10	111.4	↓-3.5
12/22 17:20	107.7	↓-3.7
12/22 17:30	103.7	↓-4.0
12/22 17:40	99.5	↓-4.2
12/22 17:50	95.1	↓-4.4
12/22 18:00	90.5	↓-4.6
12/22 18:10	85.7	↓-4.8
12/22 18:20	80.9	↓-4.8
12/22 18:30	75.9	↓-5.0
12/22 18:40	70.9	↓-5.0
12/22 18:50	65.8	↓-5.1	最大潮位差
12/22 19:00	60.7	↓-5.1	最大潮位差
12/22 19:10	55.7	↓-5.0
12/22 19:20	50.7	↓-5.0
12/22 19:30	45.9	↓-4.8
12/22 19:40	41.1	↓-4.8
12/22 19:50	36.5	↓-4.6
12/22 20:00	32.2	↓-4.3
12/22 20:10	28.0	↓-4.2
12/22 20:20	24.0	↓-4.0
12/22 20:30	20.4	↓-3.6
12/22 20:40	16.9	↓-3.5
12/22 20:50	13.8	↓-3.1
12/22 21:00	11.0	↓-2.8
12/22 21:10	8.5	↓-2.5
12/22 21:20	6.4	↓-2.1
12/22 21:30	4.5	↓-1.9
12/22 21:40	3.1	↓-1.4
12/22 21:50	1.9	↓-1.2
12/22 22:00	1.2	↓-0.7
12/22 22:10	0.8	↓-0.4	干潮
12/22 22:20	0.7	↓-0.1
12/22 22:30	1.1	↑0.4
12/22 22:40	1.8	↑0.7
12/22 22:50	2.9	↑1.1
12/22 23:00	4.3	↑1.4
12/22 23:10	6.1	↑1.8
12/22 23:20	8.3	↑2.2
12/22 23:30	10.8	↑2.5
12/22 23:40	13.7	↑2.9
12/22 23:50	16.8	↑3.1