14 (火)	05:59	11:11	16:52	23:41
	115cm	62cm	123cm	3cm
中潮 出 06:28 入 17:18 出 07:45 入 19:06

那珂湊（茨城）2040年02月14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
2/14 00:00	-0.2	↑1.8
2/14 00:10	2.0	↑2.2
2/14 00:20	4.5	↑2.5
2/14 00:30	7.3	↑2.8
2/14 00:40	10.4	↑3.1
2/14 00:50	13.7	↑3.3
2/14 01:00	17.3	↑3.6
2/14 01:10	21.0	↑3.7
2/14 01:20	25.0	↑4.0
2/14 01:30	29.1	↑4.1
2/14 01:40	33.3	↑4.2
2/14 01:50	37.7	↑4.4
2/14 02:00	42.2	↑4.5
2/14 02:10	46.7	↑4.5
2/14 02:20	51.2	↑4.5
2/14 02:30	55.8	↑4.6
2/14 02:40	60.4	↑4.6
2/14 02:50	64.9	↑4.5
2/14 03:00	69.4	↑4.5
2/14 03:10	73.7	↑4.3
2/14 03:20	78.0	↑4.3
2/14 03:30	82.1	↑4.1
2/14 03:40	86.0	↑3.9
2/14 03:50	89.8	↑3.8
2/14 04:00	93.4	↑3.6
2/14 04:10	96.7	↑3.3
2/14 04:20	99.8	↑3.1
2/14 04:30	102.6	↑2.8
2/14 04:40	105.1	↑2.5
2/14 04:50	107.4	↑2.3
2/14 05:00	109.4	↑2.0
2/14 05:10	111.0	↑1.6
2/14 05:20	112.4	↑1.4
2/14 05:30	113.4	↑1.0
2/14 05:40	114.1	↑0.7
2/14 05:50	114.5	↑0.4	満潮
2/14 06:00	114.6	↑0.1
2/14 06:10	114.4	↓-0.2
2/14 06:20	113.9	↓-0.5
2/14 06:30	113.1	↓-0.8
2/14 06:40	112.0	↓-1.1
2/14 06:50	110.7	↓-1.3
2/14 07:00	109.1	↓-1.6
2/14 07:10	107.3	↓-1.8
2/14 07:20	105.3	↓-2.0
2/14 07:30	103.2	↓-2.1
2/14 07:40	100.9	↓-2.3
2/14 07:50	98.5	↓-2.4
2/14 08:00	96.0	↓-2.5
2/14 08:10	93.4	↓-2.6
2/14 08:20	90.8	↓-2.6
2/14 08:30	88.1	↓-2.7
2/14 08:40	85.5	↓-2.6
2/14 08:50	82.9	↓-2.6
2/14 09:00	80.3	↓-2.6
2/14 09:10	77.8	↓-2.5
2/14 09:20	75.5	↓-2.3
2/14 09:30	73.3	↓-2.2
2/14 09:40	71.2	↓-2.1
2/14 09:50	69.3	↓-1.9
2/14 10:00	67.6	↓-1.7
2/14 10:10	66.0	↓-1.6
2/14 10:20	64.7	↓-1.3
2/14 10:30	63.6	↓-1.1
2/14 10:40	62.8	↓-0.8
2/14 10:50	62.2	↓-0.6
2/14 11:00	61.8	↓-0.4
2/14 11:10	61.7	↓-0.1	干潮
2/14 11:20	61.8	↑0.1
2/14 11:30	62.2	↑0.4
2/14 11:40	62.8	↑0.6
2/14 11:50	63.6	↑0.8
2/14 12:00	64.7	↑1.1
2/14 12:10	66.0	↑1.3
2/14 12:20	67.5	↑1.5
2/14 12:30	69.2	↑1.7
2/14 12:40	71.1	↑1.9
2/14 12:50	73.1	↑2.0
2/14 13:00	75.3	↑2.2
2/14 13:10	77.7	↑2.4
2/14 13:20	80.2	↑2.5
2/14 13:30	82.7	↑2.5
2/14 13:40	85.4	↑2.7
2/14 13:50	88.1	↑2.7
2/14 14:00	90.8	↑2.7
2/14 14:10	93.6	↑2.8
2/14 14:20	96.3	↑2.7
2/14 14:30	99.1	↑2.8
2/14 14:40	101.7	↑2.6
2/14 14:50	104.4	↑2.7
2/14 15:00	106.9	↑2.5
2/14 15:10	109.3	↑2.4
2/14 15:20	111.5	↑2.2
2/14 15:30	113.6	↑2.1
2/14 15:40	115.5	↑1.9
2/14 15:50	117.3	↑1.8
2/14 16:00	118.8	↑1.5
2/14 16:10	120.0	↑1.2
2/14 16:20	121.1	↑1.1
2/14 16:30	121.8	↑0.7
2/14 16:40	122.3	↑0.5
2/14 16:50	122.4	↑0.1	満潮
2/14 17:00	122.3	↓-0.1
2/14 17:10	121.9	↓-0.4
2/14 17:20	121.1	↓-0.8
2/14 17:30	120.0	↓-1.1
2/14 17:40	118.6	↓-1.4
2/14 17:50	116.9	↓-1.7
2/14 18:00	114.9	↓-2.0
2/14 18:10	112.6	↓-2.3
2/14 18:20	109.9	↓-2.7
2/14 18:30	107.0	↓-2.9
2/14 18:40	103.8	↓-3.2
2/14 18:50	100.4	↓-3.4
2/14 19:00	96.7	↓-3.7
2/14 19:10	92.8	↓-3.9
2/14 19:20	88.7	↓-4.1
2/14 19:30	84.4	↓-4.3
2/14 19:40	80.0	↓-4.4
2/14 19:50	75.5	↓-4.5
2/14 20:00	70.9	↓-4.6
2/14 20:10	66.2	↓-4.7	最大潮位差
2/14 20:20	61.5	↓-4.7	最大潮位差
2/14 20:30	56.8	↓-4.7	最大潮位差
2/14 20:40	52.1	↓-4.7	最大潮位差
2/14 20:50	47.5	↓-4.6
2/14 21:00	43.0	↓-4.5
2/14 21:10	38.6	↓-4.4
2/14 21:20	34.4	↓-4.2
2/14 21:30	30.3	↓-4.1
2/14 21:40	26.5	↓-3.8
2/14 21:50	22.8	↓-3.7
2/14 22:00	19.4	↓-3.4
2/14 22:10	16.3	↓-3.1
2/14 22:20	13.4	↓-2.9
2/14 22:30	10.9	↓-2.5
2/14 22:40	8.7	↓-2.2
2/14 22:50	6.8	↓-1.9
2/14 23:00	5.2	↓-1.6
2/14 23:10	4.0	↓-1.2
2/14 23:20	3.1	↓-0.9
2/14 23:30	2.6	↓-0.5
2/14 23:40	2.4	↓-0.2	干潮
2/14 23:50	2.6	↑0.2