13 (水)	04:20	08:56	13:46	21:21
	105cm	88cm	112cm	5cm
中潮 出 06:28 入 17:18 出 14:28 入 04:54

日立（茨城）2041年02月13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
2/13 00:00	52.4	↑3.2
2/13 00:10	55.6	↑3.2
2/13 00:20	58.8	↑3.2
2/13 00:30	62.0	↑3.2
2/13 00:40	65.1	↑3.1
2/13 00:50	68.2	↑3.1
2/13 01:00	71.3	↑3.1
2/13 01:10	74.3	↑3.0
2/13 01:20	77.2	↑2.9
2/13 01:30	80.0	↑2.8
2/13 01:40	82.7	↑2.7
2/13 01:50	85.3	↑2.6
2/13 02:00	87.8	↑2.5
2/13 02:10	90.1	↑2.3
2/13 02:20	92.3	↑2.2
2/13 02:30	94.3	↑2.0
2/13 02:40	96.2	↑1.9
2/13 02:50	97.9	↑1.7
2/13 03:00	99.5	↑1.6
2/13 03:10	100.8	↑1.3
2/13 03:20	102.0	↑1.2
2/13 03:30	102.9	↑0.9
2/13 03:40	103.7	↑0.8
2/13 03:50	104.3	↑0.6
2/13 04:00	104.7	↑0.4
2/13 04:10	104.9	↑0.2	満潮
2/13 04:20	105.0	↑0.1	満潮
2/13 04:30	104.9	↓-0.1
2/13 04:40	104.6	↓-0.3
2/13 04:50	104.2	↓-0.4
2/13 05:00	103.7	↓-0.5
2/13 05:10	103.1	↓-0.6
2/13 05:20	102.5	↓-0.6
2/13 05:30	101.7	↓-0.8
2/13 05:40	100.9	↓-0.8
2/13 05:50	100.0	↓-0.9
2/13 06:00	99.1	↓-0.9
2/13 06:10	98.2	↓-0.9
2/13 06:20	97.3	↓-0.9
2/13 06:30	96.3	↓-1.0
2/13 06:40	95.4	↓-0.9
2/13 06:50	94.5	↓-0.9
2/13 07:00	93.6	↓-0.9
2/13 07:10	92.8	↓-0.8
2/13 07:20	92.0	↓-0.8
2/13 07:30	91.2	↓-0.8
2/13 07:40	90.5	↓-0.7
2/13 07:50	89.9	↓-0.6
2/13 08:00	89.3	↓-0.6
2/13 08:10	88.8	↓-0.5
2/13 08:20	88.4	↓-0.4
2/13 08:30	88.1	↓-0.3
2/13 08:40	87.9	↓-0.2
2/13 08:50	87.8	↓-0.1	干潮
2/13 09:00	87.8	0
2/13 09:10	87.9	↑0.1
2/13 09:20	88.2	↑0.3
2/13 09:30	88.5	↑0.3
2/13 09:40	89.0	↑0.5
2/13 09:50	89.6	↑0.6
2/13 10:00	90.3	↑0.7
2/13 10:10	91.1	↑0.8
2/13 10:20	92.0	↑0.9
2/13 10:30	93.1	↑1.1
2/13 10:40	94.1	↑1.0
2/13 10:50	95.3	↑1.2
2/13 11:00	96.5	↑1.2
2/13 11:10	97.7	↑1.2
2/13 11:20	99.0	↑1.3
2/13 11:30	100.3	↑1.3
2/13 11:40	101.5	↑1.2
2/13 11:50	102.7	↑1.2
2/13 12:00	103.9	↑1.2
2/13 12:10	105.1	↑1.2
2/13 12:20	106.1	↑1.0
2/13 12:30	107.1	↑1.0
2/13 12:40	108.0	↑0.9
2/13 12:50	108.8	↑0.8
2/13 13:00	109.5	↑0.7
2/13 13:10	110.1	↑0.6
2/13 13:20	110.5	↑0.4
2/13 13:30	110.8	↑0.3
2/13 13:40	111.0	↑0.2	満潮
2/13 13:50	111.0	0
2/13 14:00	110.9	↓-0.1
2/13 14:10	110.5	↓-0.4
2/13 14:20	110.0	↓-0.5
2/13 14:30	109.3	↓-0.7
2/13 14:40	108.4	↓-0.9
2/13 14:50	107.3	↓-1.1
2/13 15:00	106.0	↓-1.3
2/13 15:10	104.5	↓-1.5
2/13 15:20	102.8	↓-1.7
2/13 15:30	100.8	↓-2.0
2/13 15:40	98.6	↓-2.2
2/13 15:50	96.2	↓-2.4
2/13 16:00	93.7	↓-2.5
2/13 16:10	90.9	↓-2.8
2/13 16:20	87.9	↓-3.0
2/13 16:30	84.7	↓-3.2
2/13 16:40	81.4	↓-3.3
2/13 16:50	77.9	↓-3.5
2/13 17:00	74.3	↓-3.6
2/13 17:10	70.7	↓-3.6
2/13 17:20	66.9	↓-3.8
2/13 17:30	63.1	↓-3.8
2/13 17:40	59.2	↓-3.9	最大潮位差
2/13 17:50	55.4	↓-3.8
2/13 18:00	51.5	↓-3.9	最大潮位差
2/13 18:10	47.7	↓-3.8
2/13 18:20	43.9	↓-3.8
2/13 18:30	40.3	↓-3.6
2/13 18:40	36.7	↓-3.6
2/13 18:50	33.2	↓-3.5
2/13 19:00	29.9	↓-3.3
2/13 19:10	26.7	↓-3.2
2/13 19:20	23.7	↓-3.0
2/13 19:30	20.9	↓-2.8
2/13 19:40	18.2	↓-2.7
2/13 19:50	15.8	↓-2.4
2/13 20:00	13.5	↓-2.3
2/13 20:10	11.5	↓-2.0
2/13 20:20	9.7	↓-1.8
2/13 20:30	8.2	↓-1.5
2/13 20:40	7.0	↓-1.2
2/13 20:50	6.0	↓-1.0
2/13 21:00	5.3	↓-0.7
2/13 21:10	4.8	↓-0.5
2/13 21:20	4.7	↓-0.1	干潮
2/13 21:30	4.9	↑0.2
2/13 21:40	5.3	↑0.4
2/13 21:50	6.1	↑0.8
2/13 22:00	7.1	↑1.0
2/13 22:10	8.5	↑1.4
2/13 22:20	10.1	↑1.6
2/13 22:30	12.0	↑1.9
2/13 22:40	14.2	↑2.2
2/13 22:50	16.6	↑2.4
2/13 23:00	19.2	↑2.6
2/13 23:10	22.0	↑2.8
2/13 23:20	25.0	↑3.0
2/13 23:30	28.2	↑3.2
2/13 23:40	31.5	↑3.3
2/13 23:50	35.0	↑3.5