7 (月)	04:29	09:20	14:19	21:44
	113cm	85cm	118cm	-1cm
大潮 出 06:35 入 17:11 出 15:09 入 05:13

日立（茨城）2039年02月7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
2/7 00:00	46.1	↑3.7
2/7 00:10	49.8	↑3.7
2/7 00:20	53.6	↑3.8
2/7 00:30	57.4	↑3.8
2/7 00:40	61.1	↑3.7
2/7 00:50	64.8	↑3.7
2/7 01:00	68.5	↑3.7
2/7 01:10	72.1	↑3.6
2/7 01:20	75.6	↑3.5
2/7 01:30	79.0	↑3.4
2/7 01:40	82.3	↑3.3
2/7 01:50	85.5	↑3.2
2/7 02:00	88.5	↑3.0
2/7 02:10	91.4	↑2.9
2/7 02:20	94.2	↑2.8
2/7 02:30	96.7	↑2.5
2/7 02:40	99.2	↑2.5
2/7 02:50	101.4	↑2.2
2/7 03:00	103.4	↑2.0
2/7 03:10	105.3	↑1.9
2/7 03:20	106.9	↑1.6
2/7 03:30	108.3	↑1.4
2/7 03:40	109.5	↑1.2
2/7 03:50	110.5	↑1.0
2/7 04:00	111.2	↑0.7
2/7 04:10	111.7	↑0.5
2/7 04:20	112.0	↑0.3	満潮
2/7 04:30	112.0	0
2/7 04:40	111.9	↓-0.1
2/7 04:50	111.5	↓-0.4
2/7 05:00	111.0	↓-0.5
2/7 05:10	110.3	↓-0.7
2/7 05:20	109.4	↓-0.9
2/7 05:30	108.4	↓-1.0
2/7 05:40	107.3	↓-1.1
2/7 05:50	106.0	↓-1.3
2/7 06:00	104.7	↓-1.3
2/7 06:10	103.3	↓-1.4
2/7 06:20	101.9	↓-1.4
2/7 06:30	100.4	↓-1.5
2/7 06:40	99.0	↓-1.4
2/7 06:50	97.5	↓-1.5
2/7 07:00	96.1	↓-1.4
2/7 07:10	94.7	↓-1.4
2/7 07:20	93.4	↓-1.3
2/7 07:30	92.2	↓-1.2
2/7 07:40	91.0	↓-1.2
2/7 07:50	89.9	↓-1.1
2/7 08:00	88.9	↓-1.0
2/7 08:10	87.9	↓-1.0
2/7 08:20	87.1	↓-0.8
2/7 08:30	86.4	↓-0.7
2/7 08:40	85.8	↓-0.6
2/7 08:50	85.4	↓-0.4
2/7 09:00	85.0	↓-0.4
2/7 09:10	84.8	↓-0.2	干潮
2/7 09:20	84.8	0	干潮
2/7 09:30	84.9	↑0.1
2/7 09:40	85.1	↑0.2
2/7 09:50	85.5	↑0.4
2/7 10:00	86.1	↑0.6
2/7 10:10	86.8	↑0.7
2/7 10:20	87.6	↑0.8
2/7 10:30	88.6	↑1.0
2/7 10:40	89.8	↑1.2
2/7 10:50	91.0	↑1.2
2/7 11:00	92.4	↑1.4
2/7 11:10	93.9	↑1.5
2/7 11:20	95.5	↑1.6
2/7 11:30	97.2	↑1.7
2/7 11:40	98.9	↑1.7
2/7 11:50	100.6	↑1.7
2/7 12:00	102.4	↑1.8
2/7 12:10	104.1	↑1.7
2/7 12:20	105.8	↑1.7
2/7 12:30	107.5	↑1.7
2/7 12:40	109.1	↑1.6
2/7 12:50	110.6	↑1.5
2/7 13:00	111.9	↑1.3
2/7 13:10	113.2	↑1.3
2/7 13:20	114.3	↑1.1
2/7 13:30	115.3	↑1.0
2/7 13:40	116.1	↑0.8
2/7 13:50	116.7	↑0.6
2/7 14:00	117.2	↑0.5
2/7 14:10	117.5	↑0.3	満潮
2/7 14:20	117.5	0
2/7 14:30	117.4	↓-0.1
2/7 14:40	117.0	↓-0.4
2/7 14:50	116.5	↓-0.5
2/7 15:00	115.7	↓-0.8
2/7 15:10	114.6	↓-1.1
2/7 15:20	113.4	↓-1.2
2/7 15:30	111.8	↓-1.6
2/7 15:40	110.1	↓-1.7
2/7 15:50	108.1	↓-2.0
2/7 16:00	105.8	↓-2.3
2/7 16:10	103.3	↓-2.5
2/7 16:20	100.6	↓-2.7
2/7 16:30	97.6	↓-3.0
2/7 16:40	94.4	↓-3.2
2/7 16:50	91.0	↓-3.4
2/7 17:00	87.4	↓-3.6
2/7 17:10	83.6	↓-3.8
2/7 17:20	79.6	↓-4.0
2/7 17:30	75.5	↓-4.1
2/7 17:40	71.3	↓-4.2
2/7 17:50	67.0	↓-4.3
2/7 18:00	62.6	↓-4.4	最大潮位差
2/7 18:10	58.2	↓-4.4	最大潮位差
2/7 18:20	53.8	↓-4.4	最大潮位差
2/7 18:30	49.4	↓-4.4	最大潮位差
2/7 18:40	45.1	↓-4.3
2/7 18:50	40.8	↓-4.3
2/7 19:00	36.6	↓-4.2
2/7 19:10	32.6	↓-4.0
2/7 19:20	28.7	↓-3.9
2/7 19:30	25.0	↓-3.7
2/7 19:40	21.4	↓-3.6
2/7 19:50	18.1	↓-3.3
2/7 20:00	15.0	↓-3.1
2/7 20:10	12.1	↓-2.9
2/7 20:20	9.5	↓-2.6
2/7 20:30	7.2	↓-2.3
2/7 20:40	5.1	↓-2.1
2/7 20:50	3.3	↓-1.8
2/7 21:00	1.8	↓-1.5
2/7 21:10	0.6	↓-1.2
2/7 21:20	-0.3	↓-0.9
2/7 21:30	-0.9	↓-0.6
2/7 21:40	-1.2	↓-0.3	干潮
2/7 21:50	-1.1	↑0.1
2/7 22:00	-0.7	↑0.4
2/7 22:10	0.1	↑0.8
2/7 22:20	1.2	↑1.1
2/7 22:30	2.6	↑1.4
2/7 22:40	4.3	↑1.7
2/7 22:50	6.4	↑2.1
2/7 23:00	8.7	↑2.3
2/7 23:10	11.4	↑2.7
2/7 23:20	14.3	↑2.9
2/7 23:30	17.5	↑3.2
2/7 23:40	20.9	↑3.4
2/7 23:50	24.5	↑3.6