22 (火)	04:39	09:43	15:05	22:14
	114cm	69cm	123cm	-6cm
大潮 出 06:18 入 17:26 出 05:57 入 16:23

日立（茨城）2039年02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
2/22 00:00	27.9	↑4.0
2/22 00:10	32.0	↑4.1
2/22 00:20	36.3	↑4.3
2/22 00:30	40.6	↑4.3
2/22 00:40	45.0	↑4.4
2/22 00:50	49.4	↑4.4
2/22 01:00	53.8	↑4.4
2/22 01:10	58.1	↑4.3
2/22 01:20	62.5	↑4.4
2/22 01:30	66.8	↑4.3
2/22 01:40	71.0	↑4.2
2/22 01:50	75.1	↑4.1
2/22 02:00	79.1	↑4.0
2/22 02:10	83.0	↑3.9
2/22 02:20	86.7	↑3.7
2/22 02:30	90.2	↑3.5
2/22 02:40	93.5	↑3.3
2/22 02:50	96.7	↑3.2
2/22 03:00	99.6	↑2.9
2/22 03:10	102.3	↑2.7
2/22 03:20	104.7	↑2.4
2/22 03:30	106.8	↑2.1
2/22 03:40	108.7	↑1.9
2/22 03:50	110.3	↑1.6
2/22 04:00	111.6	↑1.3
2/22 04:10	112.6	↑1.0
2/22 04:20	113.3	↑0.7
2/22 04:30	113.6	↑0.3	満潮
2/22 04:40	113.7	↑0.1
2/22 04:50	113.5	↓-0.2
2/22 05:00	113.0	↓-0.5
2/22 05:10	112.2	↓-0.8
2/22 05:20	111.2	↓-1.0
2/22 05:30	109.9	↓-1.3
2/22 05:40	108.5	↓-1.4
2/22 05:50	106.8	↓-1.7
2/22 06:00	105.0	↓-1.8
2/22 06:10	103.0	↓-2.0
2/22 06:20	100.9	↓-2.1
2/22 06:30	98.8	↓-2.1
2/22 06:40	96.5	↓-2.3
2/22 06:50	94.2	↓-2.3
2/22 07:00	92.0	↓-2.2
2/22 07:10	89.7	↓-2.3
2/22 07:20	87.4	↓-2.3
2/22 07:30	85.2	↓-2.2
2/22 07:40	83.1	↓-2.1
2/22 07:50	81.1	↓-2.0
2/22 08:00	79.1	↓-2.0
2/22 08:10	77.3	↓-1.8
2/22 08:20	75.6	↓-1.7
2/22 08:30	74.1	↓-1.5
2/22 08:40	72.7	↓-1.4
2/22 08:50	71.5	↓-1.2
2/22 09:00	70.5	↓-1.0
2/22 09:10	69.7	↓-0.8
2/22 09:20	69.1	↓-0.6
2/22 09:30	68.7	↓-0.4
2/22 09:40	68.5	↓-0.2	干潮
2/22 09:50	68.6	↑0.1
2/22 10:00	68.9	↑0.3
2/22 10:10	69.5	↑0.6
2/22 10:20	70.3	↑0.8
2/22 10:30	71.3	↑1.0
2/22 10:40	72.5	↑1.2
2/22 10:50	74.0	↑1.5
2/22 11:00	75.7	↑1.7
2/22 11:10	77.6	↑1.9
2/22 11:20	79.7	↑2.1
2/22 11:30	81.9	↑2.2
2/22 11:40	84.3	↑2.4
2/22 11:50	86.7	↑2.4
2/22 12:00	89.3	↑2.6
2/22 12:10	91.9	↑2.6
2/22 12:20	94.6	↑2.7
2/22 12:30	97.3	↑2.7
2/22 12:40	99.9	↑2.6
2/22 12:50	102.5	↑2.6
2/22 13:00	105.0	↑2.5
2/22 13:10	107.5	↑2.5
2/22 13:20	109.8	↑2.3
2/22 13:30	112.0	↑2.2
2/22 13:40	114.0	↑2.0
2/22 13:50	115.8	↑1.8
2/22 14:00	117.5	↑1.7
2/22 14:10	119.0	↑1.5
2/22 14:20	120.2	↑1.2
2/22 14:30	121.2	↑1.0
2/22 14:40	122.0	↑0.8
2/22 14:50	122.5	↑0.5
2/22 15:00	122.7	↑0.2	満潮
2/22 15:10	122.7	0
2/22 15:20	122.4	↓-0.3
2/22 15:30	121.8	↓-0.6
2/22 15:40	120.9	↓-0.9
2/22 15:50	119.7	↓-1.2
2/22 16:00	118.2	↓-1.5
2/22 16:10	116.4	↓-1.8
2/22 16:20	114.3	↓-2.1
2/22 16:30	111.8	↓-2.5
2/22 16:40	109.1	↓-2.7
2/22 16:50	106.1	↓-3.0
2/22 17:00	102.8	↓-3.3
2/22 17:10	99.2	↓-3.6
2/22 17:20	95.4	↓-3.8
2/22 17:30	91.4	↓-4.0
2/22 17:40	87.2	↓-4.2
2/22 17:50	82.8	↓-4.4
2/22 18:00	78.2	↓-4.6
2/22 18:10	73.5	↓-4.7
2/22 18:20	68.8	↓-4.7
2/22 18:30	63.9	↓-4.9	最大潮位差
2/22 18:40	59.1	↓-4.8
2/22 18:50	54.2	↓-4.9	最大潮位差
2/22 19:00	49.4	↓-4.8
2/22 19:10	44.6	↓-4.8
2/22 19:20	40.0	↓-4.6
2/22 19:30	35.4	↓-4.6
2/22 19:40	31.0	↓-4.4
2/22 19:50	26.7	↓-4.3
2/22 20:00	22.6	↓-4.1
2/22 20:10	18.8	↓-3.8
2/22 20:20	15.1	↓-3.7
2/22 20:30	11.7	↓-3.4
2/22 20:40	8.5	↓-3.2
2/22 20:50	5.6	↓-2.9
2/22 21:00	3.0	↓-2.6
2/22 21:10	0.6	↓-2.4
2/22 21:20	-1.4	↓-2.0
2/22 21:30	-3.1	↓-1.7
2/22 21:40	-4.4	↓-1.3
2/22 21:50	-5.5	↓-1.1
2/22 22:00	-6.1	↓-0.6
2/22 22:10	-6.4	↓-0.3	干潮
2/22 22:20	-6.3	↑0.1
2/22 22:30	-5.9	↑0.4
2/22 22:40	-5.1	↑0.8
2/22 22:50	-3.9	↑1.2
2/22 23:00	-2.3	↑1.6
2/22 23:10	-0.4	↑1.9
2/22 23:20	1.9	↑2.3
2/22 23:30	4.5	↑2.6
2/22 23:40	7.4	↑2.9
2/22 23:50	10.6	↑3.2