13 (金)	04:15	09:13	14:32	21:47
	109cm	74cm	118cm	5cm
大潮 出 06:28 入 17:18 出 05:11 入 15:29

日立（茨城）2037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	45.0	↑3.6
2/13 00:10	48.6	↑3.6
2/13 00:20	52.3	↑3.7
2/13 00:30	56.0	↑3.7
2/13 00:40	59.6	↑3.6
2/13 00:50	63.3	↑3.7
2/13 01:00	66.9	↑3.6
2/13 01:10	70.5	↑3.6
2/13 01:20	73.9	↑3.4
2/13 01:30	77.3	↑3.4
2/13 01:40	80.6	↑3.3
2/13 01:50	83.8	↑3.2
2/13 02:00	86.9	↑3.1
2/13 02:10	89.8	↑2.9
2/13 02:20	92.5	↑2.7
2/13 02:30	95.1	↑2.6
2/13 02:40	97.4	↑2.3
2/13 02:50	99.6	↑2.2
2/13 03:00	101.6	↑2.0
2/13 03:10	103.3	↑1.7
2/13 03:20	104.8	↑1.5
2/13 03:30	106.0	↑1.2
2/13 03:40	107.0	↑1.0
2/13 03:50	107.7	↑0.7
2/13 04:00	108.2	↑0.5
2/13 04:10	108.4	↑0.2	満潮
2/13 04:20	108.4	0
2/13 04:30	108.1	↓-0.3
2/13 04:40	107.6	↓-0.5
2/13 04:50	106.9	↓-0.7
2/13 05:00	106.0	↓-0.9
2/13 05:10	104.9	↓-1.1
2/13 05:20	103.7	↓-1.2
2/13 05:30	102.3	↓-1.4
2/13 05:40	100.7	↓-1.6
2/13 05:50	99.1	↓-1.6
2/13 06:00	97.4	↓-1.7
2/13 06:10	95.7	↓-1.7
2/13 06:20	93.9	↓-1.8
2/13 06:30	92.2	↓-1.7
2/13 06:40	90.4	↓-1.8
2/13 06:50	88.6	↓-1.8
2/13 07:00	86.9	↓-1.7
2/13 07:10	85.2	↓-1.7
2/13 07:20	83.7	↓-1.5
2/13 07:30	82.1	↓-1.6
2/13 07:40	80.7	↓-1.4
2/13 07:50	79.4	↓-1.3
2/13 08:00	78.2	↓-1.2
2/13 08:10	77.1	↓-1.1
2/13 08:20	76.2	↓-0.9
2/13 08:30	75.4	↓-0.8
2/13 08:40	74.8	↓-0.6
2/13 08:50	74.3	↓-0.5
2/13 09:00	74.0	↓-0.3
2/13 09:10	73.9	↓-0.1	干潮
2/13 09:20	73.9	0
2/13 09:30	74.2	↑0.3
2/13 09:40	74.6	↑0.4
2/13 09:50	75.3	↑0.7
2/13 10:00	76.1	↑0.8
2/13 10:10	77.1	↑1.0
2/13 10:20	78.3	↑1.2
2/13 10:30	79.7	↑1.4
2/13 10:40	81.2	↑1.5
2/13 10:50	82.9	↑1.7
2/13 11:00	84.7	↑1.8
2/13 11:10	86.6	↑1.9
2/13 11:20	88.6	↑2.0
2/13 11:30	90.7	↑2.1
2/13 11:40	92.8	↑2.1
2/13 11:50	95.0	↑2.2
2/13 12:00	97.1	↑2.1
2/13 12:10	99.3	↑2.2
2/13 12:20	101.3	↑2.0
2/13 12:30	103.3	↑2.0
2/13 12:40	105.3	↑2.0
2/13 12:50	107.1	↑1.8
2/13 13:00	108.8	↑1.7
2/13 13:10	110.4	↑1.6
2/13 13:20	111.9	↑1.5
2/13 13:30	113.2	↑1.3
2/13 13:40	114.3	↑1.1
2/13 13:50	115.2	↑0.9
2/13 14:00	116.0	↑0.8
2/13 14:10	116.5	↑0.5
2/13 14:20	116.9	↑0.4
2/13 14:30	117.0	↑0.1	満潮
2/13 14:40	116.9	↓-0.1
2/13 14:50	116.6	↓-0.3
2/13 15:00	116.1	↓-0.5
2/13 15:10	115.3	↓-0.8
2/13 15:20	114.2	↓-1.1
2/13 15:30	112.9	↓-1.3
2/13 15:40	111.3	↓-1.6
2/13 15:50	109.5	↓-1.8
2/13 16:00	107.4	↓-2.1
2/13 16:10	105.1	↓-2.3
2/13 16:20	102.5	↓-2.6
2/13 16:30	99.7	↓-2.8
2/13 16:40	96.6	↓-3.1
2/13 16:50	93.3	↓-3.3
2/13 17:00	89.9	↓-3.4
2/13 17:10	86.2	↓-3.7
2/13 17:20	82.4	↓-3.8
2/13 17:30	78.5	↓-3.9
2/13 17:40	74.4	↓-4.1
2/13 17:50	70.3	↓-4.1
2/13 18:00	66.2	↓-4.1
2/13 18:10	62.0	↓-4.2	最大潮位差
2/13 18:20	57.8	↓-4.2	最大潮位差
2/13 18:30	53.6	↓-4.2	最大潮位差
2/13 18:40	49.5	↓-4.1
2/13 18:50	45.4	↓-4.1
2/13 19:00	41.5	↓-3.9
2/13 19:10	37.6	↓-3.9
2/13 19:20	33.9	↓-3.7
2/13 19:30	30.4	↓-3.5
2/13 19:40	27.0	↓-3.4
2/13 19:50	23.8	↓-3.2
2/13 20:00	20.8	↓-3.0
2/13 20:10	18.0	↓-2.8
2/13 20:20	15.4	↓-2.6
2/13 20:30	13.0	↓-2.4
2/13 20:40	11.0	↓-2.0
2/13 20:50	9.1	↓-1.9
2/13 21:00	7.6	↓-1.5
2/13 21:10	6.3	↓-1.3
2/13 21:20	5.3	↓-1.0
2/13 21:30	4.7	↓-0.6
2/13 21:40	4.3	↓-0.4	干潮
2/13 21:50	4.3	0
2/13 22:00	4.6	↑0.3
2/13 22:10	5.2	↑0.6
2/13 22:20	6.1	↑0.9
2/13 22:30	7.4	↑1.3
2/13 22:40	9.0	↑1.6
2/13 22:50	10.9	↑1.9
2/13 23:00	13.1	↑2.2
2/13 23:10	15.5	↑2.4
2/13 23:20	18.3	↑2.8
2/13 23:30	21.3	↑3.0
2/13 23:40	24.5	↑3.2
2/13 23:50	27.8	↑3.3