20 (火)	03:22	08:24	13:48	21:00
	106cm	71cm	115cm	2cm
中潮 出 06:21 入 17:24 出 15:14 入 04:25

那珂湊（茨城）2035年02月20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
2/20 00:00	64.1	↑3.7
2/20 00:10	67.6	↑3.5
2/20 00:20	71.1	↑3.5
2/20 00:30	74.5	↑3.4
2/20 00:40	77.7	↑3.2
2/20 00:50	80.9	↑3.2
2/20 01:00	83.9	↑3.0
2/20 01:10	86.7	↑2.8
2/20 01:20	89.4	↑2.7
2/20 01:30	91.9	↑2.5
2/20 01:40	94.2	↑2.3
2/20 01:50	96.3	↑2.1
2/20 02:00	98.2	↑1.9
2/20 02:10	99.9	↑1.7
2/20 02:20	101.3	↑1.4
2/20 02:30	102.6	↑1.3
2/20 02:40	103.6	↑1.0
2/20 02:50	104.4	↑0.8
2/20 03:00	104.9	↑0.5
2/20 03:10	105.3	↑0.4
2/20 03:20	105.4	↑0.1	満潮
2/20 03:30	105.3	↓-0.1
2/20 03:40	105.0	↓-0.3
2/20 03:50	104.5	↓-0.5
2/20 04:00	103.9	↓-0.6
2/20 04:10	103.0	↓-0.9
2/20 04:20	102.0	↓-1.0
2/20 04:30	100.9	↓-1.1
2/20 04:40	99.6	↓-1.3
2/20 04:50	98.2	↓-1.4
2/20 05:00	96.7	↓-1.5
2/20 05:10	95.1	↓-1.6
2/20 05:20	93.4	↓-1.7
2/20 05:30	91.7	↓-1.7
2/20 05:40	89.9	↓-1.8
2/20 05:50	88.2	↓-1.7
2/20 06:00	86.4	↓-1.8
2/20 06:10	84.7	↓-1.7
2/20 06:20	83.0	↓-1.7
2/20 06:30	81.3	↓-1.7
2/20 06:40	79.7	↓-1.6
2/20 06:50	78.2	↓-1.5
2/20 07:00	76.8	↓-1.4
2/20 07:10	75.6	↓-1.2
2/20 07:20	74.4	↓-1.2
2/20 07:30	73.4	↓-1.0
2/20 07:40	72.6	↓-0.8
2/20 07:50	71.9	↓-0.7
2/20 08:00	71.4	↓-0.5
2/20 08:10	71.1	↓-0.3
2/20 08:20	70.9	↓-0.2	干潮
2/20 08:30	71.0	↑0.1
2/20 08:40	71.2	↑0.2
2/20 08:50	71.6	↑0.4
2/20 09:00	72.2	↑0.6
2/20 09:10	72.9	↑0.7
2/20 09:20	73.9	↑1.0
2/20 09:30	75.0	↑1.1
2/20 09:40	76.3	↑1.3
2/20 09:50	77.7	↑1.4
2/20 10:00	79.2	↑1.5
2/20 10:10	80.9	↑1.7
2/20 10:20	82.7	↑1.8
2/20 10:30	84.6	↑1.9
2/20 10:40	86.5	↑1.9
2/20 10:50	88.5	↑2.0
2/20 11:00	90.6	↑2.1
2/20 11:10	92.7	↑2.1
2/20 11:20	94.7	↑2.0
2/20 11:30	96.8	↑2.1
2/20 11:40	98.8	↑2.0
2/20 11:50	100.8	↑2.0
2/20 12:00	102.8	↑2.0
2/20 12:10	104.6	↑1.8
2/20 12:20	106.3	↑1.7
2/20 12:30	107.9	↑1.6
2/20 12:40	109.3	↑1.4
2/20 12:50	110.6	↑1.3
2/20 13:00	111.7	↑1.1
2/20 13:10	112.7	↑1.0
2/20 13:20	113.4	↑0.7
2/20 13:30	113.9	↑0.5
2/20 13:40	114.2	↑0.3	満潮
2/20 13:50	114.2	0
2/20 14:00	114.1	↓-0.1
2/20 14:10	113.6	↓-0.5
2/20 14:20	112.9	↓-0.7
2/20 14:30	112.0	↓-0.9
2/20 14:40	110.8	↓-1.2
2/20 14:50	109.3	↓-1.5
2/20 15:00	107.6	↓-1.7
2/20 15:10	105.7	↓-1.9
2/20 15:20	103.5	↓-2.2
2/20 15:30	101.0	↓-2.5
2/20 15:40	98.3	↓-2.7
2/20 15:50	95.5	↓-2.8
2/20 16:00	92.4	↓-3.1
2/20 16:10	89.1	↓-3.3
2/20 16:20	85.6	↓-3.5
2/20 16:30	82.0	↓-3.6
2/20 16:40	78.2	↓-3.8
2/20 16:50	74.3	↓-3.9
2/20 17:00	70.3	↓-4.0
2/20 17:10	66.3	↓-4.0
2/20 17:20	62.1	↓-4.2	最大潮位差
2/20 17:30	58.0	↓-4.1
2/20 17:40	53.8	↓-4.2	最大潮位差
2/20 17:50	49.6	↓-4.2	最大潮位差
2/20 18:00	45.5	↓-4.1
2/20 18:10	41.4	↓-4.1
2/20 18:20	37.4	↓-4.0
2/20 18:30	33.5	↓-3.9
2/20 18:40	29.8	↓-3.7
2/20 18:50	26.1	↓-3.7
2/20 19:00	22.7	↓-3.4
2/20 19:10	19.5	↓-3.2
2/20 19:20	16.5	↓-3.0
2/20 19:30	13.7	↓-2.8
2/20 19:40	11.1	↓-2.6
2/20 19:50	8.9	↓-2.2
2/20 20:00	6.9	↓-2.0
2/20 20:10	5.2	↓-1.7
2/20 20:20	3.8	↓-1.4
2/20 20:30	2.7	↓-1.1
2/20 20:40	1.9	↓-0.8
2/20 20:50	1.5	↓-0.4	干潮
2/20 21:00	1.4	↓-0.1	干潮
2/20 21:10	1.6	↑0.2
2/20 21:20	2.1	↑0.5
2/20 21:30	2.9	↑0.8
2/20 21:40	4.1	↑1.2
2/20 21:50	5.6	↑1.5
2/20 22:00	7.3	↑1.7
2/20 22:10	9.4	↑2.1
2/20 22:20	11.7	↑2.3
2/20 22:30	14.3	↑2.6
2/20 22:40	17.1	↑2.8
2/20 22:50	20.1	↑3.0
2/20 23:00	23.4	↑3.3
2/20 23:10	26.8	↑3.4
2/20 23:20	30.4	↑3.6
2/20 23:30	34.1	↑3.7
2/20 23:40	38.0	↑3.9
2/20 23:50	41.9	↑3.9