7 (月)	09:57	02:04	19:31	14:53
	114cm	23cm	106cm	94cm
小潮 出 06:36 入 16:24 出 22:51 入 11:47

那珂湊（茨城）2020年12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
12/7 00:00	38.7	↓-2.6
12/7 00:10	36.3	↓-2.4
12/7 00:20	34.0	↓-2.3
12/7 00:30	31.9	↓-2.1
12/7 00:40	29.9	↓-2.0
12/7 00:50	28.2	↓-1.7
12/7 01:00	26.7	↓-1.5
12/7 01:10	25.4	↓-1.3
12/7 01:20	24.3	↓-1.1
12/7 01:30	23.5	↓-0.8
12/7 01:40	22.9	↓-0.6
12/7 01:50	22.5	↓-0.4
12/7 02:00	22.3	↓-0.2	干潮
12/7 02:10	22.4	↑0.1
12/7 02:20	22.6	↑0.2
12/7 02:30	23.1	↑0.5
12/7 02:40	23.8	↑0.7
12/7 02:50	24.7	↑0.9
12/7 03:00	25.8	↑1.1
12/7 03:10	27.2	↑1.4
12/7 03:20	28.6	↑1.4
12/7 03:30	30.3	↑1.7
12/7 03:40	32.1	↑1.8
12/7 03:50	34.1	↑2.0
12/7 04:00	36.3	↑2.2
12/7 04:10	38.5	↑2.2
12/7 04:20	40.9	↑2.4
12/7 04:30	43.5	↑2.6
12/7 04:40	46.1	↑2.6
12/7 04:50	48.8	↑2.7
12/7 05:00	51.6	↑2.8
12/7 05:10	54.5	↑2.9
12/7 05:20	57.4	↑2.9
12/7 05:30	60.4	↑3.0
12/7 05:40	63.4	↑3.0
12/7 05:50	66.4	↑3.0
12/7 06:00	69.5	↑3.1	最大潮位差
12/7 06:10	72.5	↑3.0
12/7 06:20	75.5	↑3.0
12/7 06:30	78.5	↑3.0
12/7 06:40	81.5	↑3.0
12/7 06:50	84.3	↑2.8
12/7 07:00	87.1	↑2.8
12/7 07:10	89.8	↑2.7
12/7 07:20	92.4	↑2.6
12/7 07:30	94.9	↑2.5
12/7 07:40	97.3	↑2.4
12/7 07:50	99.5	↑2.2
12/7 08:00	101.6	↑2.1
12/7 08:10	103.6	↑2.0
12/7 08:20	105.3	↑1.7
12/7 08:30	106.9	↑1.6
12/7 08:40	108.4	↑1.5
12/7 08:50	109.6	↑1.2
12/7 09:00	110.7	↑1.1
12/7 09:10	111.6	↑0.9
12/7 09:20	112.3	↑0.7
12/7 09:30	112.8	↑0.5
12/7 09:40	113.1	↑0.3
12/7 09:50	113.3	↑0.2	満潮
12/7 10:00	113.3	0
12/7 10:10	113.2	↓-0.1
12/7 10:20	112.9	↓-0.3
12/7 10:30	112.5	↓-0.4
12/7 10:40	111.9	↓-0.6
12/7 10:50	111.2	↓-0.7
12/7 11:00	110.5	↓-0.7
12/7 11:10	109.6	↓-0.9
12/7 11:20	108.7	↓-0.9
12/7 11:30	107.7	↓-1.0
12/7 11:40	106.7	↓-1.0
12/7 11:50	105.6	↓-1.1
12/7 12:00	104.6	↓-1.0
12/7 12:10	103.5	↓-1.1
12/7 12:20	102.4	↓-1.1
12/7 12:30	101.4	↓-1.0
12/7 12:40	100.3	↓-1.1
12/7 12:50	99.4	↓-0.9
12/7 13:00	98.5	↓-0.9
12/7 13:10	97.6	↓-0.9
12/7 13:20	96.8	↓-0.8
12/7 13:30	96.1	↓-0.7
12/7 13:40	95.4	↓-0.7
12/7 13:50	94.9	↓-0.5
12/7 14:00	94.4	↓-0.5
12/7 14:10	94.0	↓-0.4
12/7 14:20	93.7	↓-0.3
12/7 14:30	93.4	↓-0.3
12/7 14:40	93.3	↓-0.1
12/7 14:50	93.2	↓-0.1	干潮
12/7 15:00	93.3	↑0.1
12/7 15:10	93.4	↑0.1
12/7 15:20	93.5	↑0.1
12/7 15:30	93.8	↑0.3
12/7 15:40	94.1	↑0.3
12/7 15:50	94.5	↑0.4
12/7 16:00	94.9	↑0.4
12/7 16:10	95.4	↑0.5
12/7 16:20	95.9	↑0.5
12/7 16:30	96.5	↑0.6
12/7 16:40	97.1	↑0.6
12/7 16:50	97.7	↑0.6
12/7 17:00	98.4	↑0.7
12/7 17:10	99.1	↑0.7
12/7 17:20	99.8	↑0.7
12/7 17:30	100.4	↑0.6
12/7 17:40	101.1	↑0.7
12/7 17:50	101.8	↑0.7
12/7 18:00	102.4	↑0.6
12/7 18:10	103.0	↑0.6
12/7 18:20	103.6	↑0.6
12/7 18:30	104.1	↑0.5
12/7 18:40	104.6	↑0.5
12/7 18:50	105.0	↑0.4
12/7 19:00	105.4	↑0.4
12/7 19:10	105.6	↑0.2
12/7 19:20	105.8	↑0.2
12/7 19:30	105.8	0	満潮
12/7 19:40	105.8	0
12/7 19:50	105.6	↓-0.2
12/7 20:00	105.3	↓-0.3
12/7 20:10	104.9	↓-0.4
12/7 20:20	104.3	↓-0.6
12/7 20:30	103.6	↓-0.7
12/7 20:40	102.8	↓-0.8
12/7 20:50	101.8	↓-1.0
12/7 21:00	100.6	↓-1.2
12/7 21:10	99.3	↓-1.3
12/7 21:20	97.8	↓-1.5
12/7 21:30	96.2	↓-1.6
12/7 21:40	94.5	↓-1.7
12/7 21:50	92.6	↓-1.9
12/7 22:00	90.6	↓-2.0
12/7 22:10	88.5	↓-2.1
12/7 22:20	86.2	↓-2.3
12/7 22:30	83.9	↓-2.3
12/7 22:40	81.4	↓-2.5
12/7 22:50	78.9	↓-2.5
12/7 23:00	76.3	↓-2.6
12/7 23:10	73.7	↓-2.6
12/7 23:20	71.0	↓-2.7
12/7 23:30	68.3	↓-2.7
12/7 23:40	65.6	↓-2.7
12/7 23:50	62.9	↓-2.7