1 (月)	07:09	00:09	18:00	12:18
	112cm	6cm	116cm	66cm
中潮 出 06:39 入 17:05 出 20:48 入 08:56

那珂湊（茨城）2021年02月1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
2/1 00:00	5.8	↓-0.4	干潮
2/1 00:10	5.7	↓-0.1
2/1 00:20	5.9	↑0.2
2/1 00:30	6.4	↑0.5
2/1 00:40	7.3	↑0.9
2/1 00:50	8.5	↑1.2
2/1 01:00	9.9	↑1.4
2/1 01:10	11.7	↑1.8
2/1 01:20	13.7	↑2.0
2/1 01:30	15.9	↑2.2
2/1 01:40	18.4	↑2.5
2/1 01:50	21.1	↑2.7
2/1 02:00	24.1	↑3.0
2/1 02:10	27.2	↑3.1
2/1 02:20	30.5	↑3.3
2/1 02:30	33.9	↑3.4
2/1 02:40	37.5	↑3.6
2/1 02:50	41.2	↑3.7
2/1 03:00	45.0	↑3.8
2/1 03:10	48.8	↑3.8
2/1 03:20	52.7	↑3.9	最大潮位差
2/1 03:30	56.6	↑3.9	最大潮位差
2/1 03:40	60.5	↑3.9	最大潮位差
2/1 03:50	64.4	↑3.9	最大潮位差
2/1 04:00	68.3	↑3.9	最大潮位差
2/1 04:10	72.1	↑3.8
2/1 04:20	75.9	↑3.8
2/1 04:30	79.5	↑3.6
2/1 04:40	83.0	↑3.5
2/1 04:50	86.4	↑3.4
2/1 05:00	89.6	↑3.2
2/1 05:10	92.7	↑3.1
2/1 05:20	95.6	↑2.9
2/1 05:30	98.2	↑2.6
2/1 05:40	100.6	↑2.4
2/1 05:50	102.8	↑2.2
2/1 06:00	104.8	↑2.0
2/1 06:10	106.5	↑1.7
2/1 06:20	107.9	↑1.4
2/1 06:30	109.1	↑1.2
2/1 06:40	110.0	↑0.9
2/1 06:50	110.6	↑0.6
2/1 07:00	111.0	↑0.4	満潮
2/1 07:10	111.1	↑0.1
2/1 07:20	110.9	↓-0.2
2/1 07:30	110.4	↓-0.5
2/1 07:40	109.7	↓-0.7
2/1 07:50	108.8	↓-0.9
2/1 08:00	107.7	↓-1.1
2/1 08:10	106.3	↓-1.4
2/1 08:20	104.7	↓-1.6
2/1 08:30	103.0	↓-1.7
2/1 08:40	101.1	↓-1.9
2/1 08:50	99.1	↓-2.0
2/1 09:00	97.0	↓-2.1
2/1 09:10	94.8	↓-2.2
2/1 09:20	92.5	↓-2.3
2/1 09:30	90.2	↓-2.3
2/1 09:40	87.9	↓-2.3
2/1 09:50	85.6	↓-2.3
2/1 10:00	83.4	↓-2.2
2/1 10:10	81.1	↓-2.3
2/1 10:20	79.0	↓-2.1
2/1 10:30	77.0	↓-2.0
2/1 10:40	75.1	↓-1.9
2/1 10:50	73.3	↓-1.8
2/1 11:00	71.7	↓-1.6
2/1 11:10	70.2	↓-1.5
2/1 11:20	68.9	↓-1.3
2/1 11:30	67.9	↓-1.0
2/1 11:40	67.0	↓-0.9
2/1 11:50	66.3	↓-0.7
2/1 12:00	65.8	↓-0.5
2/1 12:10	65.5	↓-0.3	干潮
2/1 12:20	65.5	0
2/1 12:30	65.7	↑0.2
2/1 12:40	66.0	↑0.3
2/1 12:50	66.6	↑0.6
2/1 13:00	67.4	↑0.8
2/1 13:10	68.3	↑0.9
2/1 13:20	69.4	↑1.1
2/1 13:30	70.7	↑1.3
2/1 13:40	72.2	↑1.5
2/1 13:50	73.8	↑1.6
2/1 14:00	75.5	↑1.7
2/1 14:10	77.4	↑1.9
2/1 14:20	79.3	↑1.9
2/1 14:30	81.4	↑2.1
2/1 14:40	83.5	↑2.1
2/1 14:50	85.7	↑2.2
2/1 15:00	87.9	↑2.2
2/1 15:10	90.1	↑2.2
2/1 15:20	92.3	↑2.2
2/1 15:30	94.6	↑2.3
2/1 15:40	96.8	↑2.2
2/1 15:50	98.9	↑2.1
2/1 16:00	101.0	↑2.1
2/1 16:10	103.0	↑2.0
2/1 16:20	104.9	↑1.9
2/1 16:30	106.7	↑1.8
2/1 16:40	108.4	↑1.7
2/1 16:50	109.9	↑1.5
2/1 17:00	111.2	↑1.3
2/1 17:10	112.4	↑1.2
2/1 17:20	113.4	↑1.0
2/1 17:30	114.2	↑0.8
2/1 17:40	114.7	↑0.5
2/1 17:50	115.0	↑0.3	満潮
2/1 18:00	115.1	↑0.1	満潮
2/1 18:10	115.0	↓-0.1
2/1 18:20	114.6	↓-0.4
2/1 18:30	113.9	↓-0.7
2/1 18:40	113.0	↓-0.9
2/1 18:50	111.9	↓-1.1
2/1 19:00	110.4	↓-1.5
2/1 19:10	108.7	↓-1.7
2/1 19:20	106.8	↓-1.9
2/1 19:30	104.6	↓-2.2
2/1 19:40	102.1	↓-2.5
2/1 19:50	99.5	↓-2.6
2/1 20:00	96.6	↓-2.9
2/1 20:10	93.5	↓-3.1
2/1 20:20	90.3	↓-3.2
2/1 20:30	86.8	↓-3.5
2/1 20:40	83.3	↓-3.5
2/1 20:50	79.6	↓-3.7
2/1 21:00	75.8	↓-3.8
2/1 21:10	72.0	↓-3.8
2/1 21:20	68.1	↓-3.9	最大潮位差
2/1 21:30	64.2	↓-3.9	最大潮位差
2/1 21:40	60.3	↓-3.9	最大潮位差
2/1 21:50	56.4	↓-3.9	最大潮位差
2/1 22:00	52.6	↓-3.8
2/1 22:10	48.9	↓-3.7
2/1 22:20	45.3	↓-3.6
2/1 22:30	41.8	↓-3.5
2/1 22:40	38.4	↓-3.4
2/1 22:50	35.3	↓-3.1
2/1 23:00	32.3	↓-3.0
2/1 23:10	29.6	↓-2.7
2/1 23:20	27.1	↓-2.5
2/1 23:30	24.8	↓-2.3
2/1 23:40	22.8	↓-2.0
2/1 23:50	21.1	↓-1.7