14 (木)	04:38	09:34	14:42	21:56
	109cm	80cm	116cm	1cm
大潮 出 06:27 入 17:19 出 15:26 入 05:36

日立（茨城）2041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	38.5	↑3.5
2/14 00:10	42.1	↑3.6
2/14 00:20	45.8	↑3.7
2/14 00:30	49.5	↑3.7
2/14 00:40	53.2	↑3.7
2/14 00:50	57.0	↑3.8
2/14 01:00	60.7	↑3.7
2/14 01:10	64.3	↑3.6
2/14 01:20	68.0	↑3.7
2/14 01:30	71.5	↑3.5
2/14 01:40	75.0	↑3.5
2/14 01:50	78.3	↑3.3
2/14 02:00	81.6	↑3.3
2/14 02:10	84.7	↑3.1
2/14 02:20	87.7	↑3.0
2/14 02:30	90.6	↑2.9
2/14 02:40	93.2	↑2.6
2/14 02:50	95.7	↑2.5
2/14 03:00	98.0	↑2.3
2/14 03:10	100.2	↑2.2
2/14 03:20	102.1	↑1.9
2/14 03:30	103.7	↑1.6
2/14 03:40	105.2	↑1.5
2/14 03:50	106.4	↑1.2
2/14 04:00	107.4	↑1.0
2/14 04:10	108.1	↑0.7
2/14 04:20	108.6	↑0.5
2/14 04:30	108.9	↑0.3	満潮
2/14 04:40	108.9	0
2/14 04:50	108.7	↓-0.2
2/14 05:00	108.3	↓-0.4
2/14 05:10	107.8	↓-0.5
2/14 05:20	107.0	↓-0.8
2/14 05:30	106.1	↓-0.9
2/14 05:40	105.1	↓-1.0
2/14 05:50	103.9	↓-1.2
2/14 06:00	102.6	↓-1.3
2/14 06:10	101.3	↓-1.3
2/14 06:20	99.9	↓-1.4
2/14 06:30	98.4	↓-1.5
2/14 06:40	96.9	↓-1.5
2/14 06:50	95.4	↓-1.5
2/14 07:00	93.9	↓-1.5
2/14 07:10	92.4	↓-1.5
2/14 07:20	90.9	↓-1.5
2/14 07:30	89.5	↓-1.4
2/14 07:40	88.1	↓-1.4
2/14 07:50	86.8	↓-1.3
2/14 08:00	85.6	↓-1.2
2/14 08:10	84.4	↓-1.2
2/14 08:20	83.3	↓-1.1
2/14 08:30	82.4	↓-0.9
2/14 08:40	81.5	↓-0.9
2/14 08:50	80.8	↓-0.7
2/14 09:00	80.2	↓-0.6
2/14 09:10	79.8	↓-0.4
2/14 09:20	79.5	↓-0.3
2/14 09:30	79.3	↓-0.2	干潮
2/14 09:40	79.3	0
2/14 09:50	79.5	↑0.2
2/14 10:00	79.9	↑0.4
2/14 10:10	80.5	↑0.6
2/14 10:20	81.2	↑0.7
2/14 10:30	82.0	↑0.8
2/14 10:40	83.1	↑1.1
2/14 10:50	84.3	↑1.2
2/14 11:00	85.6	↑1.3
2/14 11:10	87.1	↑1.5
2/14 11:20	88.7	↑1.6
2/14 11:30	90.3	↑1.6
2/14 11:40	92.1	↑1.8
2/14 11:50	93.9	↑1.8
2/14 12:00	95.7	↑1.8
2/14 12:10	97.6	↑1.9
2/14 12:20	99.5	↑1.9
2/14 12:30	101.3	↑1.8
2/14 12:40	103.1	↑1.8
2/14 12:50	104.8	↑1.7
2/14 13:00	106.5	↑1.7
2/14 13:10	108.0	↑1.5
2/14 13:20	109.5	↑1.5
2/14 13:30	110.8	↑1.3
2/14 13:40	112.0	↑1.2
2/14 13:50	113.1	↑1.1
2/14 14:00	113.9	↑0.8
2/14 14:10	114.7	↑0.8
2/14 14:20	115.2	↑0.5
2/14 14:30	115.5	↑0.3
2/14 14:40	115.7	↑0.2	満潮
2/14 14:50	115.6	↓-0.1
2/14 15:00	115.3	↓-0.3
2/14 15:10	114.7	↓-0.6
2/14 15:20	114.0	↓-0.7
2/14 15:30	112.9	↓-1.1
2/14 15:40	111.6	↓-1.3
2/14 15:50	110.1	↓-1.5
2/14 16:00	108.3	↓-1.8
2/14 16:10	106.2	↓-2.1
2/14 16:20	103.9	↓-2.3
2/14 16:30	101.3	↓-2.6
2/14 16:40	98.4	↓-2.9
2/14 16:50	95.4	↓-3.0
2/14 17:00	92.1	↓-3.3
2/14 17:10	88.6	↓-3.5
2/14 17:20	84.9	↓-3.7
2/14 17:30	81.0	↓-3.9
2/14 17:40	77.0	↓-4.0
2/14 17:50	72.9	↓-4.1
2/14 18:00	68.7	↓-4.2
2/14 18:10	64.4	↓-4.3	最大潮位差
2/14 18:20	60.1	↓-4.3	最大潮位差
2/14 18:30	55.8	↓-4.3	最大潮位差
2/14 18:40	51.5	↓-4.3	最大潮位差
2/14 18:50	47.3	↓-4.2
2/14 19:00	43.1	↓-4.2
2/14 19:10	39.0	↓-4.1
2/14 19:20	35.1	↓-3.9
2/14 19:30	31.2	↓-3.9
2/14 19:40	27.5	↓-3.7
2/14 19:50	24.0	↓-3.5
2/14 20:00	20.7	↓-3.3
2/14 20:10	17.6	↓-3.1
2/14 20:20	14.7	↓-2.9
2/14 20:30	12.0	↓-2.7
2/14 20:40	9.6	↓-2.4
2/14 20:50	7.5	↓-2.1
2/14 21:00	5.6	↓-1.9
2/14 21:10	4.0	↓-1.6
2/14 21:20	2.7	↓-1.3
2/14 21:30	1.7	↓-1.0
2/14 21:40	1.1	↓-0.6
2/14 21:50	0.8	↓-0.3	干潮
2/14 22:00	0.8	0
2/14 22:10	1.1	↑0.3
2/14 22:20	1.8	↑0.7
2/14 22:30	2.8	↑1.0
2/14 22:40	4.1	↑1.3
2/14 22:50	5.8	↑1.7
2/14 23:00	7.7	↑1.9
2/14 23:10	10.0	↑2.3
2/14 23:20	12.6	↑2.6
2/14 23:30	15.4	↑2.8
2/14 23:40	18.5	↑3.1
2/14 23:50	21.8	↑3.3