7 (水)	06:50	12:15	17:59	-
	114cm	59cm	114cm	-
中潮 出 06:34 入 17:12 出 08:44 入 20:37

那珂湊（茨城）2057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	7.0	↓-0.2
2/7 00:10	7.2	↑0.2
2/7 00:20	7.7	↑0.5
2/7 00:30	8.6	↑0.9
2/7 00:40	9.7	↑1.1
2/7 00:50	11.2	↑1.5
2/7 01:00	12.9	↑1.7
2/7 01:10	15.0	↑2.1
2/7 01:20	17.2	↑2.2
2/7 01:30	19.8	↑2.6
2/7 01:40	22.6	↑2.8
2/7 01:50	25.6	↑3.0
2/7 02:00	28.8	↑3.2
2/7 02:10	32.2	↑3.4
2/7 02:20	35.7	↑3.5
2/7 02:30	39.4	↑3.7
2/7 02:40	43.2	↑3.8
2/7 02:50	47.1	↑3.9
2/7 03:00	51.1	↑4.0
2/7 03:10	55.1	↑4.0
2/7 03:20	59.2	↑4.1	最大潮位差
2/7 03:30	63.3	↑4.1	最大潮位差
2/7 03:40	67.3	↑4.0
2/7 03:50	71.3	↑4.0
2/7 04:00	75.3	↑4.0
2/7 04:10	79.1	↑3.8
2/7 04:20	82.9	↑3.8
2/7 04:30	86.5	↑3.6
2/7 04:40	90.0	↑3.5
2/7 04:50	93.3	↑3.3
2/7 05:00	96.3	↑3.0
2/7 05:10	99.2	↑2.9
2/7 05:20	101.9	↑2.7
2/7 05:30	104.3	↑2.4
2/7 05:40	106.4	↑2.1
2/7 05:50	108.3	↑1.9
2/7 06:00	109.9	↑1.6
2/7 06:10	111.2	↑1.3
2/7 06:20	112.2	↑1.0
2/7 06:30	112.9	↑0.7
2/7 06:40	113.3	↑0.4	満潮
2/7 06:50	113.4	↑0.1	満潮
2/7 07:00	113.2	↓-0.2
2/7 07:10	112.8	↓-0.4
2/7 07:20	112.0	↓-0.8
2/7 07:30	111.0	↓-1.0
2/7 07:40	109.8	↓-1.2
2/7 07:50	108.3	↓-1.5
2/7 08:00	106.5	↓-1.8
2/7 08:10	104.6	↓-1.9
2/7 08:20	102.5	↓-2.1
2/7 08:30	100.3	↓-2.2
2/7 08:40	97.9	↓-2.4
2/7 08:50	95.4	↓-2.5
2/7 09:00	92.9	↓-2.5
2/7 09:10	90.2	↓-2.7
2/7 09:20	87.6	↓-2.6
2/7 09:30	84.9	↓-2.7
2/7 09:40	82.3	↓-2.6
2/7 09:50	79.7	↓-2.6
2/7 10:00	77.1	↓-2.6
2/7 10:10	74.7	↓-2.4
2/7 10:20	72.3	↓-2.4
2/7 10:30	70.1	↓-2.2
2/7 10:40	68.1	↓-2.0
2/7 10:50	66.2	↓-1.9
2/7 11:00	64.5	↓-1.7
2/7 11:10	62.9	↓-1.6
2/7 11:20	61.6	↓-1.3
2/7 11:30	60.5	↓-1.1
2/7 11:40	59.6	↓-0.9
2/7 11:50	58.9	↓-0.7
2/7 12:00	58.5	↓-0.4
2/7 12:10	58.3	↓-0.2	干潮
2/7 12:20	58.3	0
2/7 12:30	58.5	↑0.2
2/7 12:40	59.0	↑0.5
2/7 12:50	59.7	↑0.7
2/7 13:00	60.5	↑0.8
2/7 13:10	61.6	↑1.1
2/7 13:20	62.9	↑1.3
2/7 13:30	64.4	↑1.5
2/7 13:40	66.0	↑1.6
2/7 13:50	67.8	↑1.8
2/7 14:00	69.7	↑1.9
2/7 14:10	71.7	↑2.0
2/7 14:20	73.9	↑2.2
2/7 14:30	76.1	↑2.2
2/7 14:40	78.5	↑2.4
2/7 14:50	80.8	↑2.3
2/7 15:00	83.3	↑2.5
2/7 15:10	85.7	↑2.4
2/7 15:20	88.2	↑2.5
2/7 15:30	90.7	↑2.5
2/7 15:40	93.1	↑2.4
2/7 15:50	95.4	↑2.3
2/7 16:00	97.7	↑2.3
2/7 16:10	99.9	↑2.2
2/7 16:20	102.0	↑2.1
2/7 16:30	104.0	↑2.0
2/7 16:40	105.8	↑1.8
2/7 16:50	107.5	↑1.7
2/7 17:00	109.0	↑1.5
2/7 17:10	110.2	↑1.2
2/7 17:20	111.3	↑1.1
2/7 17:30	112.1	↑0.8
2/7 17:40	112.7	↑0.6
2/7 17:50	113.1	↑0.4	満潮
2/7 18:00	113.1	0
2/7 18:10	112.9	↓-0.2
2/7 18:20	112.5	↓-0.4
2/7 18:30	111.7	↓-0.8
2/7 18:40	110.7	↓-1.0
2/7 18:50	109.4	↓-1.3
2/7 19:00	107.9	↓-1.5
2/7 19:10	106.0	↓-1.9
2/7 19:20	103.9	↓-2.1
2/7 19:30	101.6	↓-2.3
2/7 19:40	99.0	↓-2.6
2/7 19:50	96.2	↓-2.8
2/7 20:00	93.1	↓-3.1
2/7 20:10	89.9	↓-3.2
2/7 20:20	86.5	↓-3.4
2/7 20:30	83.0	↓-3.5
2/7 20:40	79.4	↓-3.6
2/7 20:50	75.6	↓-3.8
2/7 21:00	71.8	↓-3.8
2/7 21:10	68.0	↓-3.8
2/7 21:20	64.1	↓-3.9
2/7 21:30	60.2	↓-3.9
2/7 21:40	56.4	↓-3.8
2/7 21:50	52.6	↓-3.8
2/7 22:00	49.0	↓-3.6
2/7 22:10	45.4	↓-3.6
2/7 22:20	42.0	↓-3.4
2/7 22:30	38.7	↓-3.3
2/7 22:40	35.6	↓-3.1
2/7 22:50	32.7	↓-2.9
2/7 23:00	30.1	↓-2.6
2/7 23:10	27.6	↓-2.5
2/7 23:20	25.5	↓-2.1
2/7 23:30	23.5	↓-2.0
2/7 23:40	21.9	↓-1.6
2/7 23:50	20.5	↓-1.4