22 (土)	03:40	09:32	15:34	21:52
	114cm	33cm	120cm	23cm
出 05:40 入 17:52 出 04:42 入 17:00

日立（茨城）2031年03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
3/22 00:00	56.2	↑3.9
3/22 00:10	60.0	↑3.8
3/22 00:20	63.9	↑3.9
3/22 00:30	67.8	↑3.9
3/22 00:40	71.7	↑3.9
3/22 00:50	75.5	↑3.8
3/22 01:00	79.2	↑3.7
3/22 01:10	82.9	↑3.7
3/22 01:20	86.4	↑3.5
3/22 01:30	89.7	↑3.3
3/22 01:40	93.0	↑3.3
3/22 01:50	96.0	↑3.0
3/22 02:00	98.8	↑2.8
3/22 02:10	101.5	↑2.7
3/22 02:20	103.9	↑2.4
3/22 02:30	106.0	↑2.1
3/22 02:40	107.9	↑1.9
3/22 02:50	109.6	↑1.7
3/22 03:00	110.9	↑1.3
3/22 03:10	112.0	↑1.1
3/22 03:20	112.8	↑0.8
3/22 03:30	113.2	↑0.4	満潮
3/22 03:40	113.3	↑0.1	満潮
3/22 03:50	113.1	↓-0.2
3/22 04:00	112.6	↓-0.5
3/22 04:10	111.8	↓-0.8
3/22 04:20	110.6	↓-1.2
3/22 04:30	109.1	↓-1.5
3/22 04:40	107.3	↓-1.8
3/22 04:50	105.2	↓-2.1
3/22 05:00	102.9	↓-2.3
3/22 05:10	100.3	↓-2.6
3/22 05:20	97.5	↓-2.8
3/22 05:30	94.4	↓-3.1
3/22 05:40	91.2	↓-3.2
3/22 05:50	87.9	↓-3.3
3/22 06:00	84.4	↓-3.5
3/22 06:10	80.9	↓-3.5
3/22 06:20	77.3	↓-3.6
3/22 06:30	73.7	↓-3.6
3/22 06:40	70.1	↓-3.6
3/22 06:50	66.6	↓-3.5
3/22 07:00	63.1	↓-3.5
3/22 07:10	59.7	↓-3.4
3/22 07:20	56.4	↓-3.3
3/22 07:30	53.3	↓-3.1
3/22 07:40	50.3	↓-3.0
3/22 07:50	47.5	↓-2.8
3/22 08:00	44.9	↓-2.6
3/22 08:10	42.5	↓-2.4
3/22 08:20	40.4	↓-2.1
3/22 08:30	38.5	↓-1.9
3/22 08:40	36.8	↓-1.7
3/22 08:50	35.5	↓-1.3
3/22 09:00	34.4	↓-1.1
3/22 09:10	33.6	↓-0.8
3/22 09:20	33.1	↓-0.5
3/22 09:30	32.9	↓-0.2	干潮
3/22 09:40	33.0	↑0.1
3/22 09:50	33.5	↑0.5
3/22 10:00	34.3	↑0.8
3/22 10:10	35.4	↑1.1
3/22 10:20	36.8	↑1.4
3/22 10:30	38.5	↑1.7
3/22 10:40	40.5	↑2.0
3/22 10:50	42.8	↑2.3
3/22 11:00	45.4	↑2.6
3/22 11:10	48.2	↑2.8
3/22 11:20	51.3	↑3.1
3/22 11:30	54.5	↑3.2
3/22 11:40	57.9	↑3.4
3/22 11:50	61.5	↑3.6
3/22 12:00	65.2	↑3.7
3/22 12:10	68.9	↑3.7
3/22 12:20	72.7	↑3.8
3/22 12:30	76.5	↑3.8
3/22 12:40	80.3	↑3.8
3/22 12:50	84.0	↑3.7
3/22 13:00	87.6	↑3.6
3/22 13:10	91.2	↑3.6
3/22 13:20	94.6	↑3.4
3/22 13:30	97.9	↑3.3
3/22 13:40	101.0	↑3.1
3/22 13:50	104.0	↑3.0
3/22 14:00	106.7	↑2.7
3/22 14:10	109.2	↑2.5
3/22 14:20	111.4	↑2.2
3/22 14:30	113.4	↑2.0
3/22 14:40	115.2	↑1.8
3/22 14:50	116.7	↑1.5
3/22 15:00	117.8	↑1.1
3/22 15:10	118.7	↑0.9
3/22 15:20	119.3	↑0.6
3/22 15:30	119.5	↑0.2	満潮
3/22 15:40	119.4	↓-0.1
3/22 15:50	119.0	↓-0.4
3/22 16:00	118.3	↓-0.7
3/22 16:10	117.3	↓-1.0
3/22 16:20	115.9	↓-1.4
3/22 16:30	114.2	↓-1.7
3/22 16:40	112.1	↓-2.1
3/22 16:50	109.8	↓-2.3
3/22 17:00	107.2	↓-2.6
3/22 17:10	104.3	↓-2.9
3/22 17:20	101.2	↓-3.1
3/22 17:30	97.8	↓-3.4
3/22 17:40	94.3	↓-3.5
3/22 17:50	90.6	↓-3.7
3/22 18:00	86.7	↓-3.9
3/22 18:10	82.8	↓-3.9
3/22 18:20	78.7	↓-4.1	最大潮位差
3/22 18:30	74.6	↓-4.1	最大潮位差
3/22 18:40	70.6	↓-4.0
3/22 18:50	66.5	↓-4.1	最大潮位差
3/22 19:00	62.5	↓-4.0
3/22 19:10	58.5	↓-4.0
3/22 19:20	54.7	↓-3.8
3/22 19:30	51.0	↓-3.7
3/22 19:40	47.4	↓-3.6
3/22 19:50	44.0	↓-3.4
3/22 20:00	40.8	↓-3.2
3/22 20:10	37.8	↓-3.0
3/22 20:20	35.0	↓-2.8
3/22 20:30	32.5	↓-2.5
3/22 20:40	30.2	↓-2.3
3/22 20:50	28.2	↓-2.0
3/22 21:00	26.5	↓-1.7
3/22 21:10	25.0	↓-1.5
3/22 21:20	23.8	↓-1.2
3/22 21:30	23.0	↓-0.8
3/22 21:40	22.5	↓-0.5
3/22 21:50	22.3	↓-0.2	干潮
3/22 22:00	22.4	↑0.1
3/22 22:10	22.9	↑0.5
3/22 22:20	23.7	↑0.8
3/22 22:30	24.8	↑1.1
3/22 22:40	26.3	↑1.5
3/22 22:50	28.0	↑1.7
3/22 23:00	30.1	↑2.1
3/22 23:10	32.5	↑2.4
3/22 23:20	35.2	↑2.7
3/22 23:30	38.1	↑2.9
3/22 23:40	41.3	↑3.2
3/22 23:50	44.7	↑3.4