22 (火)	03:55	08:36	13:40	21:11
	103cm	82cm	109cm	11cm
中潮 出 06:19 入 17:26 出 04:26 入 14:28

日立（茨城）2028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	56.2	↑3.0
2/22 00:10	59.3	↑3.1
2/22 00:20	62.4	↑3.1
2/22 00:30	65.4	↑3.0
2/22 00:40	68.4	↑3.0
2/22 00:50	71.3	↑2.9
2/22 01:00	74.2	↑2.9
2/22 01:10	77.0	↑2.8
2/22 01:20	79.7	↑2.7
2/22 01:30	82.4	↑2.7
2/22 01:40	84.9	↑2.5
2/22 01:50	87.2	↑2.3
2/22 02:00	89.5	↑2.3
2/22 02:10	91.5	↑2.0
2/22 02:20	93.5	↑2.0
2/22 02:30	95.2	↑1.7
2/22 02:40	96.7	↑1.5
2/22 02:50	98.1	↑1.4
2/22 03:00	99.3	↑1.2
2/22 03:10	100.2	↑0.9
2/22 03:20	101.0	↑0.8
2/22 03:30	101.5	↑0.5
2/22 03:40	101.9	↑0.4
2/22 03:50	102.1	↑0.2	満潮
2/22 04:00	102.1	0
2/22 04:10	101.9	↓-0.2
2/22 04:20	101.5	↓-0.4
2/22 04:30	101.0	↓-0.5
2/22 04:40	100.4	↓-0.6
2/22 04:50	99.7	↓-0.7
2/22 05:00	98.8	↓-0.9
2/22 05:10	97.9	↓-0.9
2/22 05:20	96.9	↓-1.0
2/22 05:30	95.8	↓-1.1
2/22 05:40	94.7	↓-1.1
2/22 05:50	93.6	↓-1.1
2/22 06:00	92.5	↓-1.1
2/22 06:10	91.4	↓-1.1
2/22 06:20	90.3	↓-1.1
2/22 06:30	89.2	↓-1.1
2/22 06:40	88.1	↓-1.1
2/22 06:50	87.1	↓-1.0
2/22 07:00	86.1	↓-1.0
2/22 07:10	85.2	↓-0.9
2/22 07:20	84.4	↓-0.8
2/22 07:30	83.6	↓-0.8
2/22 07:40	83.0	↓-0.6
2/22 07:50	82.4	↓-0.6
2/22 08:00	81.9	↓-0.5
2/22 08:10	81.6	↓-0.3
2/22 08:20	81.3	↓-0.3
2/22 08:30	81.2	↓-0.1	干潮
2/22 08:40	81.2	0
2/22 08:50	81.3	↑0.1
2/22 09:00	81.6	↑0.3
2/22 09:10	81.9	↑0.3
2/22 09:20	82.5	↑0.6
2/22 09:30	83.1	↑0.6
2/22 09:40	83.9	↑0.8
2/22 09:50	84.8	↑0.9
2/22 10:00	85.8	↑1.0
2/22 10:10	86.9	↑1.1
2/22 10:20	88.1	↑1.2
2/22 10:30	89.4	↑1.3
2/22 10:40	90.7	↑1.3
2/22 10:50	92.1	↑1.4
2/22 11:00	93.5	↑1.4
2/22 11:10	94.9	↑1.4
2/22 11:20	96.3	↑1.4
2/22 11:30	97.7	↑1.4
2/22 11:40	99.0	↑1.3
2/22 11:50	100.3	↑1.3
2/22 12:00	101.5	↑1.2
2/22 12:10	102.7	↑1.2
2/22 12:20	103.8	↑1.1
2/22 12:30	104.7	↑0.9
2/22 12:40	105.6	↑0.9
2/22 12:50	106.4	↑0.8
2/22 13:00	107.0	↑0.6
2/22 13:10	107.5	↑0.5
2/22 13:20	107.9	↑0.4
2/22 13:30	108.1	↑0.2	満潮
2/22 13:40	108.2	↑0.1	満潮
2/22 13:50	108.1	↓-0.1
2/22 14:00	107.8	↓-0.3
2/22 14:10	107.4	↓-0.4
2/22 14:20	106.8	↓-0.6
2/22 14:30	105.9	↓-0.9
2/22 14:40	104.9	↓-1.0
2/22 14:50	103.7	↓-1.2
2/22 15:00	102.3	↓-1.4
2/22 15:10	100.7	↓-1.6
2/22 15:20	98.8	↓-1.9
2/22 15:30	96.8	↓-2.0
2/22 15:40	94.6	↓-2.2
2/22 15:50	92.1	↓-2.5
2/22 16:00	89.5	↓-2.6
2/22 16:10	86.7	↓-2.8
2/22 16:20	83.8	↓-2.9
2/22 16:30	80.7	↓-3.1
2/22 16:40	77.5	↓-3.2
2/22 16:50	74.2	↓-3.3
2/22 17:00	70.8	↓-3.4
2/22 17:10	67.3	↓-3.5
2/22 17:20	63.8	↓-3.5
2/22 17:30	60.3	↓-3.5
2/22 17:40	56.8	↓-3.5
2/22 17:50	53.2	↓-3.6	最大潮位差
2/22 18:00	49.7	↓-3.5
2/22 18:10	46.3	↓-3.4
2/22 18:20	43.0	↓-3.3
2/22 18:30	39.7	↓-3.3
2/22 18:40	36.5	↓-3.2
2/22 18:50	33.5	↓-3.0
2/22 19:00	30.5	↓-3.0
2/22 19:10	27.8	↓-2.7
2/22 19:20	25.1	↓-2.7
2/22 19:30	22.7	↓-2.4
2/22 19:40	20.4	↓-2.3
2/22 19:50	18.4	↓-2.0
2/22 20:00	16.5	↓-1.9
2/22 20:10	14.8	↓-1.7
2/22 20:20	13.4	↓-1.4
2/22 20:30	12.2	↓-1.2
2/22 20:40	11.3	↓-0.9
2/22 20:50	10.6	↓-0.7
2/22 21:00	10.2	↓-0.4
2/22 21:10	10.1	↓-0.1	干潮
2/22 21:20	10.3	↑0.2
2/22 21:30	10.7	↑0.4
2/22 21:40	11.4	↑0.7
2/22 21:50	12.4	↑1.0
2/22 22:00	13.6	↑1.2
2/22 22:10	15.2	↑1.6
2/22 22:20	17.0	↑1.8
2/22 22:30	19.0	↑2.0
2/22 22:40	21.3	↑2.3
2/22 22:50	23.7	↑2.4
2/22 23:00	26.4	↑2.7
2/22 23:10	29.3	↑2.9
2/22 23:20	32.3	↑3.0
2/22 23:30	35.4	↑3.1
2/22 23:40	38.7	↑3.3
2/22 23:50	42.1	↑3.4