14 (金)	07:39	01:10	19:49	13:35
	107cm	30cm	103cm	44cm
中潮 出 06:28 入 17:18 出 23:02 入 09:40

那珂湊（茨城）2020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	35.7	↓-1.9
2/14 00:10	34.1	↓-1.6
2/14 00:20	32.7	↓-1.4
2/14 00:30	31.5	↓-1.2
2/14 00:40	30.6	↓-0.9
2/14 00:50	30.0	↓-0.6
2/14 01:00	29.7	↓-0.3	干潮
2/14 01:10	29.6	↓-0.1	干潮
2/14 01:20	29.7	↑0.1
2/14 01:30	30.2	↑0.5
2/14 01:40	30.8	↑0.6
2/14 01:50	31.8	↑1.0
2/14 02:00	32.9	↑1.1
2/14 02:10	34.3	↑1.4
2/14 02:20	35.9	↑1.6
2/14 02:30	37.7	↑1.8
2/14 02:40	39.7	↑2.0
2/14 02:50	41.8	↑2.1
2/14 03:00	44.2	↑2.4
2/14 03:10	46.6	↑2.4
2/14 03:20	49.2	↑2.6
2/14 03:30	52.0	↑2.8
2/14 03:40	54.8	↑2.8
2/14 03:50	57.7	↑2.9
2/14 04:00	60.7	↑3.0
2/14 04:10	63.7	↑3.0
2/14 04:20	66.7	↑3.0
2/14 04:30	69.8	↑3.1	最大潮位差
2/14 04:40	72.8	↑3.0
2/14 04:50	75.9	↑3.1	最大潮位差
2/14 05:00	78.8	↑2.9
2/14 05:10	81.8	↑3.0
2/14 05:20	84.6	↑2.8
2/14 05:30	87.3	↑2.7
2/14 05:40	89.9	↑2.6
2/14 05:50	92.4	↑2.5
2/14 06:00	94.7	↑2.3
2/14 06:10	96.9	↑2.2
2/14 06:20	98.8	↑1.9
2/14 06:30	100.6	↑1.8
2/14 06:40	102.1	↑1.5
2/14 06:50	103.5	↑1.4
2/14 07:00	104.6	↑1.1
2/14 07:10	105.4	↑0.8
2/14 07:20	106.0	↑0.6
2/14 07:30	106.3	↑0.3	満潮
2/14 07:40	106.4	↑0.1
2/14 07:50	106.2	↓-0.2
2/14 08:00	105.8	↓-0.4
2/14 08:10	105.1	↓-0.7
2/14 08:20	104.2	↓-0.9
2/14 08:30	103.0	↓-1.2
2/14 08:40	101.6	↓-1.4
2/14 08:50	100.0	↓-1.6
2/14 09:00	98.1	↓-1.9
2/14 09:10	96.1	↓-2.0
2/14 09:20	93.9	↓-2.2
2/14 09:30	91.6	↓-2.3
2/14 09:40	89.1	↓-2.5
2/14 09:50	86.5	↓-2.6
2/14 10:00	83.8	↓-2.7
2/14 10:10	81.0	↓-2.8
2/14 10:20	78.2	↓-2.8
2/14 10:30	75.4	↓-2.8
2/14 10:40	72.6	↓-2.8
2/14 10:50	69.8	↓-2.8
2/14 11:00	67.1	↓-2.7
2/14 11:10	64.4	↓-2.7
2/14 11:20	61.8	↓-2.6
2/14 11:30	59.4	↓-2.4
2/14 11:40	57.0	↓-2.4
2/14 11:50	54.8	↓-2.2
2/14 12:00	52.8	↓-2.0
2/14 12:10	50.9	↓-1.9
2/14 12:20	49.3	↓-1.6
2/14 12:30	47.8	↓-1.5
2/14 12:40	46.5	↓-1.3
2/14 12:50	45.4	↓-1.1
2/14 13:00	44.6	↓-0.8
2/14 13:10	43.9	↓-0.7
2/14 13:20	43.5	↓-0.4
2/14 13:30	43.3	↓-0.2	干潮
2/14 13:40	43.4	↑0.1
2/14 13:50	43.6	↑0.2
2/14 14:00	44.0	↑0.4
2/14 14:10	44.7	↑0.7
2/14 14:20	45.5	↑0.8
2/14 14:30	46.6	↑1.1
2/14 14:40	47.8	↑1.2
2/14 14:50	49.2	↑1.4
2/14 15:00	50.7	↑1.5
2/14 15:10	52.4	↑1.7
2/14 15:20	54.3	↑1.9
2/14 15:30	56.2	↑1.9
2/14 15:40	58.3	↑2.1
2/14 15:50	60.5	↑2.2
2/14 16:00	62.7	↑2.2
2/14 16:10	65.1	↑2.4
2/14 16:20	67.4	↑2.3
2/14 16:30	69.9	↑2.5
2/14 16:40	72.3	↑2.4
2/14 16:50	74.8	↑2.5
2/14 17:00	77.2	↑2.4
2/14 17:10	79.6	↑2.4
2/14 17:20	82.0	↑2.4
2/14 17:30	84.4	↑2.4
2/14 17:40	86.6	↑2.2
2/14 17:50	88.8	↑2.2
2/14 18:00	90.8	↑2.0
2/14 18:10	92.8	↑2.0
2/14 18:20	94.6	↑1.8
2/14 18:30	96.3	↑1.7
2/14 18:40	97.8	↑1.5
2/14 18:50	99.1	↑1.3
2/14 19:00	100.2	↑1.1
2/14 19:10	101.1	↑0.9
2/14 19:20	101.9	↑0.8
2/14 19:30	102.4	↑0.5
2/14 19:40	102.7	↑0.3	満潮
2/14 19:50	102.7	0
2/14 20:00	102.6	↓-0.1
2/14 20:10	102.2	↓-0.4
2/14 20:20	101.6	↓-0.6
2/14 20:30	100.7	↓-0.9
2/14 20:40	99.7	↓-1.0
2/14 20:50	98.4	↓-1.3
2/14 21:00	97.0	↓-1.4
2/14 21:10	95.3	↓-1.7
2/14 21:20	93.5	↓-1.8
2/14 21:30	91.5	↓-2.0
2/14 21:40	89.3	↓-2.2
2/14 21:50	87.1	↓-2.2
2/14 22:00	84.7	↓-2.4
2/14 22:10	82.2	↓-2.5
2/14 22:20	79.7	↓-2.5
2/14 22:30	77.1	↓-2.6
2/14 22:40	74.5	↓-2.6
2/14 22:50	71.9	↓-2.6
2/14 23:00	69.3	↓-2.6
2/14 23:10	66.7	↓-2.6
2/14 23:20	64.2	↓-2.5
2/14 23:30	61.8	↓-2.4
2/14 23:40	59.5	↓-2.3
2/14 23:50	57.3	↓-2.2