14 (月)	07:21	01:00	19:31	13:34
	123cm	27cm	107cm	42cm
小潮 出 06:28 入 17:18 出 22:49 入 09:32

日立（茨城）2039年02月14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
2/14 00:00	31.8	↓-1.9
2/14 00:10	30.2	↓-1.6
2/14 00:20	28.8	↓-1.4
2/14 00:30	27.8	↓-1.0
2/14 00:40	27.0	↓-0.8
2/14 00:50	26.6	↓-0.4	干潮
2/14 01:00	26.5	↓-0.1	干潮
2/14 01:10	26.6	↑0.1
2/14 01:20	27.1	↑0.5
2/14 01:30	28.0	↑0.9
2/14 01:40	29.1	↑1.1
2/14 01:50	30.5	↑1.4
2/14 02:00	32.2	↑1.7
2/14 02:10	34.3	↑2.1
2/14 02:20	36.6	↑2.3
2/14 02:30	39.2	↑2.6
2/14 02:40	42.0	↑2.8
2/14 02:50	45.1	↑3.1
2/14 03:00	48.3	↑3.2
2/14 03:10	51.8	↑3.5
2/14 03:20	55.5	↑3.7
2/14 03:30	59.2	↑3.7
2/14 03:40	63.1	↑3.9
2/14 03:50	67.1	↑4.0
2/14 04:00	71.1	↑4.0
2/14 04:10	75.1	↑4.0
2/14 04:20	79.2	↑4.1	最大潮位差
2/14 04:30	83.1	↑3.9
2/14 04:40	87.1	↑4.0
2/14 04:50	90.9	↑3.8
2/14 05:00	94.6	↑3.7
2/14 05:10	98.1	↑3.5
2/14 05:20	101.5	↑3.4
2/14 05:30	104.6	↑3.1
2/14 05:40	107.6	↑3.0
2/14 05:50	110.3	↑2.7
2/14 06:00	112.8	↑2.5
2/14 06:10	115.0	↑2.2
2/14 06:20	117.0	↑2.0
2/14 06:30	118.6	↑1.6
2/14 06:40	120.0	↑1.4
2/14 06:50	121.1	↑1.1
2/14 07:00	121.8	↑0.7
2/14 07:10	122.3	↑0.5
2/14 07:20	122.5	↑0.2	満潮
2/14 07:30	122.3	↓-0.2
2/14 07:40	121.8	↓-0.5
2/14 07:50	121.1	↓-0.7
2/14 08:00	120.0	↓-1.1
2/14 08:10	118.7	↓-1.3
2/14 08:20	117.1	↓-1.6
2/14 08:30	115.2	↓-1.9
2/14 08:40	113.0	↓-2.2
2/14 08:50	110.7	↓-2.3
2/14 09:00	108.1	↓-2.6
2/14 09:10	105.3	↓-2.8
2/14 09:20	102.3	↓-3.0
2/14 09:30	99.2	↓-3.1
2/14 09:40	96.0	↓-3.2
2/14 09:50	92.7	↓-3.3
2/14 10:00	89.3	↓-3.4
2/14 10:10	85.8	↓-3.5
2/14 10:20	82.4	↓-3.4
2/14 10:30	78.9	↓-3.5
2/14 10:40	75.5	↓-3.4
2/14 10:50	72.2	↓-3.3
2/14 11:00	68.9	↓-3.3
2/14 11:10	65.7	↓-3.2
2/14 11:20	62.7	↓-3.0
2/14 11:30	59.8	↓-2.9
2/14 11:40	57.0	↓-2.8
2/14 11:50	54.5	↓-2.5
2/14 12:00	52.1	↓-2.4
2/14 12:10	50.0	↓-2.1
2/14 12:20	48.0	↓-2.0
2/14 12:30	46.3	↓-1.7
2/14 12:40	44.8	↓-1.5
2/14 12:50	43.6	↓-1.2
2/14 13:00	42.6	↓-1.0
2/14 13:10	41.8	↓-0.8
2/14 13:20	41.4	↓-0.4
2/14 13:30	41.1	↓-0.3	干潮
2/14 13:40	41.2	↑0.1
2/14 13:50	41.5	↑0.3
2/14 14:00	42.0	↑0.5
2/14 14:10	42.9	↑0.9
2/14 14:20	43.9	↑1.0
2/14 14:30	45.2	↑1.3
2/14 14:40	46.7	↑1.5
2/14 14:50	48.5	↑1.8
2/14 15:00	50.4	↑1.9
2/14 15:10	52.6	↑2.2
2/14 15:20	54.9	↑2.3
2/14 15:30	57.4	↑2.5
2/14 15:40	60.0	↑2.6
2/14 15:50	62.7	↑2.7
2/14 16:00	65.4	↑2.7
2/14 16:10	68.3	↑2.9
2/14 16:20	71.2	↑2.9
2/14 16:30	74.1	↑2.9
2/14 16:40	77.0	↑2.9
2/14 16:50	79.8	↑2.8
2/14 17:00	82.6	↑2.8
2/14 17:10	85.3	↑2.7
2/14 17:20	87.9	↑2.6
2/14 17:30	90.4	↑2.5
2/14 17:40	92.8	↑2.4
2/14 17:50	95.0	↑2.2
2/14 18:00	97.1	↑2.1
2/14 18:10	98.9	↑1.8
2/14 18:20	100.6	↑1.7
2/14 18:30	102.1	↑1.5
2/14 18:40	103.3	↑1.2
2/14 18:50	104.4	↑1.1
2/14 19:00	105.2	↑0.8
2/14 19:10	105.8	↑0.6
2/14 19:20	106.2	↑0.4
2/14 19:30	106.3	↑0.1	満潮
2/14 19:40	106.2	↓-0.1
2/14 19:50	105.8	↓-0.4
2/14 20:00	105.3	↓-0.5
2/14 20:10	104.5	↓-0.8
2/14 20:20	103.4	↓-1.1
2/14 20:30	102.2	↓-1.2
2/14 20:40	100.7	↓-1.5
2/14 20:50	99.0	↓-1.7
2/14 21:00	97.2	↓-1.8
2/14 21:10	95.1	↓-2.1
2/14 21:20	92.9	↓-2.2
2/14 21:30	90.6	↓-2.3
2/14 21:40	88.1	↓-2.5
2/14 21:50	85.5	↓-2.6
2/14 22:00	82.9	↓-2.6
2/14 22:10	80.1	↓-2.8
2/14 22:20	77.4	↓-2.7
2/14 22:30	74.6	↓-2.8
2/14 22:40	71.8	↓-2.8
2/14 22:50	69.0	↓-2.8
2/14 23:00	66.3	↓-2.7
2/14 23:10	63.6	↓-2.7
2/14 23:20	61.0	↓-2.6
2/14 23:30	58.5	↓-2.5
2/14 23:40	56.2	↓-2.3
2/14 23:50	54.0	↓-2.2