11 (金)	06:18	11:28	17:07	23:55
	113cm	64cm	118cm	8cm
中潮 出 06:31 入 17:15 出 19:28 入 07:56

那珂湊（茨城）2039年02月11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
2/11 00:00	2.9	↑1.2
2/11 00:10	4.5	↑1.6
2/11 00:20	6.3	↑1.8
2/11 00:30	8.5	↑2.2
2/11 00:40	10.9	↑2.4
2/11 00:50	13.6	↑2.7
2/11 01:00	16.5	↑2.9
2/11 01:10	19.6	↑3.1
2/11 01:20	23.0	↑3.4
2/11 01:30	26.5	↑3.5
2/11 01:40	30.2	↑3.7
2/11 01:50	34.1	↑3.9
2/11 02:00	38.0	↑3.9
2/11 02:10	42.1	↑4.1
2/11 02:20	46.2	↑4.1
2/11 02:30	50.4	↑4.2
2/11 02:40	54.6	↑4.2
2/11 02:50	58.8	↑4.2
2/11 03:00	63.0	↑4.2
2/11 03:10	67.2	↑4.2
2/11 03:20	71.3	↑4.1
2/11 03:30	75.3	↑4.0
2/11 03:40	79.1	↑3.8
2/11 03:50	82.9	↑3.8
2/11 04:00	86.5	↑3.6
2/11 04:10	90.0	↑3.5
2/11 04:20	93.2	↑3.2
2/11 04:30	96.2	↑3.0
2/11 04:40	99.1	↑2.9
2/11 04:50	101.7	↑2.6
2/11 05:00	104.0	↑2.3
2/11 05:10	106.0	↑2.0
2/11 05:20	107.8	↑1.8
2/11 05:30	109.4	↑1.6
2/11 05:40	110.6	↑1.2
2/11 05:50	111.5	↑0.9
2/11 06:00	112.2	↑0.7
2/11 06:10	112.5	↑0.3	満潮
2/11 06:20	112.6	↑0.1
2/11 06:30	112.4	↓-0.2
2/11 06:40	111.9	↓-0.5
2/11 06:50	111.2	↓-0.7
2/11 07:00	110.2	↓-1.0
2/11 07:10	108.9	↓-1.3
2/11 07:20	107.5	↓-1.4
2/11 07:30	105.8	↓-1.7
2/11 07:40	104.0	↓-1.8
2/11 07:50	102.0	↓-2.0
2/11 08:00	99.8	↓-2.2
2/11 08:10	97.5	↓-2.3
2/11 08:20	95.2	↓-2.3
2/11 08:30	92.8	↓-2.4
2/11 08:40	90.3	↓-2.5
2/11 08:50	87.9	↓-2.4
2/11 09:00	85.4	↓-2.5
2/11 09:10	83.0	↓-2.4
2/11 09:20	80.6	↓-2.4
2/11 09:30	78.3	↓-2.3
2/11 09:40	76.2	↓-2.1
2/11 09:50	74.1	↓-2.1
2/11 10:00	72.2	↓-1.9
2/11 10:10	70.5	↓-1.7
2/11 10:20	68.9	↓-1.6
2/11 10:30	67.6	↓-1.3
2/11 10:40	66.4	↓-1.2
2/11 10:50	65.4	↓-1.0
2/11 11:00	64.7	↓-0.7
2/11 11:10	64.2	↓-0.5
2/11 11:20	63.9	↓-0.3	干潮
2/11 11:30	63.9	0
2/11 11:40	64.1	↑0.2
2/11 11:50	64.5	↑0.4
2/11 12:00	65.1	↑0.6
2/11 12:10	66.0	↑0.9
2/11 12:20	67.1	↑1.1
2/11 12:30	68.3	↑1.2
2/11 12:40	69.8	↑1.5
2/11 12:50	71.4	↑1.6
2/11 13:00	73.1	↑1.7
2/11 13:10	75.1	↑2.0
2/11 13:20	77.1	↑2.0
2/11 13:30	79.3	↑2.2
2/11 13:40	81.5	↑2.2
2/11 13:50	83.9	↑2.4
2/11 14:00	86.3	↑2.4
2/11 14:10	88.7	↑2.4
2/11 14:20	91.2	↑2.5
2/11 14:30	93.6	↑2.4
2/11 14:40	96.0	↑2.4
2/11 14:50	98.4	↑2.4
2/11 15:00	100.8	↑2.4
2/11 15:10	103.1	↑2.3
2/11 15:20	105.2	↑2.1
2/11 15:30	107.3	↑2.1
2/11 15:40	109.2	↑1.9
2/11 15:50	111.0	↑1.8
2/11 16:00	112.6	↑1.6
2/11 16:10	114.0	↑1.4
2/11 16:20	115.2	↑1.2
2/11 16:30	116.2	↑1.0
2/11 16:40	117.0	↑0.8
2/11 16:50	117.5	↑0.5
2/11 17:00	117.8	↑0.3	満潮
2/11 17:10	117.8	0
2/11 17:20	117.6	↓-0.2
2/11 17:30	117.0	↓-0.6
2/11 17:40	116.2	↓-0.8
2/11 17:50	115.1	↓-1.1
2/11 18:00	113.7	↓-1.4
2/11 18:10	112.0	↓-1.7
2/11 18:20	110.1	↓-1.9
2/11 18:30	107.8	↓-2.3
2/11 18:40	105.3	↓-2.5
2/11 18:50	102.6	↓-2.7
2/11 19:00	99.5	↓-3.1
2/11 19:10	96.3	↓-3.2
2/11 19:20	92.8	↓-3.5
2/11 19:30	89.2	↓-3.6
2/11 19:40	85.4	↓-3.8
2/11 19:50	81.4	↓-4.0
2/11 20:00	77.3	↓-4.1
2/11 20:10	73.1	↓-4.2
2/11 20:20	68.8	↓-4.3
2/11 20:30	64.5	↓-4.3
2/11 20:40	60.2	↓-4.3
2/11 20:50	55.8	↓-4.4	最大潮位差
2/11 21:00	51.5	↓-4.3
2/11 21:10	47.3	↓-4.2
2/11 21:20	43.2	↓-4.1
2/11 21:30	39.1	↓-4.1
2/11 21:40	35.3	↓-3.8
2/11 21:50	31.6	↓-3.7
2/11 22:00	28.1	↓-3.5
2/11 22:10	24.8	↓-3.3
2/11 22:20	21.8	↓-3.0
2/11 22:30	19.0	↓-2.8
2/11 22:40	16.5	↓-2.5
2/11 22:50	14.3	↓-2.2
2/11 23:00	12.4	↓-1.9
2/11 23:10	10.8	↓-1.6
2/11 23:20	9.5	↓-1.3
2/11 23:30	8.6	↓-0.9
2/11 23:40	8.0	↓-0.6
2/11 23:50	7.7	↓-0.3	干潮