22 (月)	01:41	04:31	10:27	18:43
	86cm	84cm	102cm	21cm
若潮 出 06:18 入 17:27 出 12:11 入 02:22

那珂湊（茨城）2021年02月22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
2/22 00:00	82.1	↑0.8
2/22 00:10	82.8	↑0.7
2/22 00:20	83.5	↑0.7
2/22 00:30	84.0	↑0.5
2/22 00:40	84.5	↑0.5
2/22 00:50	84.8	↑0.3
2/22 01:00	85.1	↑0.3
2/22 01:10	85.3	↑0.2
2/22 01:20	85.5	↑0.2
2/22 01:30	85.5	0
2/22 01:40	85.6	↑0.1	満潮
2/22 01:50	85.5	↓-0.1
2/22 02:00	85.5	0
2/22 02:10	85.4	↓-0.1
2/22 02:20	85.2	↓-0.2
2/22 02:30	85.1	↓-0.1
2/22 02:40	84.9	↓-0.2
2/22 02:50	84.7	↓-0.2
2/22 03:00	84.5	↓-0.2
2/22 03:10	84.4	↓-0.1
2/22 03:20	84.2	↓-0.2
2/22 03:30	84.0	↓-0.2
2/22 03:40	83.9	↓-0.1
2/22 03:50	83.7	↓-0.2
2/22 04:00	83.6	↓-0.1
2/22 04:10	83.5	↓-0.1
2/22 04:20	83.5	0
2/22 04:30	83.5	0	干潮
2/22 04:40	83.5	0
2/22 04:50	83.5	0
2/22 05:00	83.6	↑0.1
2/22 05:10	83.8	↑0.2
2/22 05:20	84.0	↑0.2
2/22 05:30	84.2	↑0.2
2/22 05:40	84.5	↑0.3
2/22 05:50	84.8	↑0.3
2/22 06:00	85.2	↑0.4
2/22 06:10	85.7	↑0.5
2/22 06:20	86.2	↑0.5
2/22 06:30	86.7	↑0.5
2/22 06:40	87.3	↑0.6
2/22 06:50	88.0	↑0.7
2/22 07:00	88.6	↑0.6
2/22 07:10	89.4	↑0.8
2/22 07:20	90.1	↑0.7
2/22 07:30	90.9	↑0.8
2/22 07:40	91.7	↑0.8
2/22 07:50	92.5	↑0.8
2/22 08:00	93.4	↑0.9
2/22 08:10	94.2	↑0.8
2/22 08:20	95.1	↑0.9
2/22 08:30	95.9	↑0.8
2/22 08:40	96.8	↑0.9
2/22 08:50	97.6	↑0.8
2/22 09:00	98.3	↑0.7
2/22 09:10	99.0	↑0.7
2/22 09:20	99.7	↑0.7
2/22 09:30	100.3	↑0.6
2/22 09:40	100.8	↑0.5
2/22 09:50	101.2	↑0.4
2/22 10:00	101.6	↑0.4
2/22 10:10	101.8	↑0.2
2/22 10:20	101.9	↑0.1	満潮
2/22 10:30	101.9	0
2/22 10:40	101.8	↓-0.1
2/22 10:50	101.6	↓-0.2
2/22 11:00	101.2	↓-0.4
2/22 11:10	100.7	↓-0.5
2/22 11:20	100.1	↓-0.6
2/22 11:30	99.3	↓-0.8
2/22 11:40	98.3	↓-1.0
2/22 11:50	97.2	↓-1.1
2/22 12:00	96.0	↓-1.2
2/22 12:10	94.7	↓-1.3
2/22 12:20	93.2	↓-1.5
2/22 12:30	91.5	↓-1.7
2/22 12:40	89.8	↓-1.7
2/22 12:50	87.9	↓-1.9
2/22 13:00	85.9	↓-2.0
2/22 13:10	83.8	↓-2.1
2/22 13:20	81.6	↓-2.2
2/22 13:30	79.3	↓-2.3
2/22 13:40	77.0	↓-2.3
2/22 13:50	74.5	↓-2.5
2/22 14:00	72.0	↓-2.5
2/22 14:10	69.5	↓-2.5
2/22 14:20	66.9	↓-2.6
2/22 14:30	64.3	↓-2.6
2/22 14:40	61.7	↓-2.6
2/22 14:50	59.0	↓-2.7	最大潮位差
2/22 15:00	56.4	↓-2.6
2/22 15:10	53.8	↓-2.6
2/22 15:20	51.2	↓-2.6
2/22 15:30	48.7	↓-2.5
2/22 15:40	46.2	↓-2.5
2/22 15:50	43.8	↓-2.4
2/22 16:00	41.4	↓-2.4
2/22 16:10	39.1	↓-2.3
2/22 16:20	36.9	↓-2.2
2/22 16:30	34.8	↓-2.1
2/22 16:40	32.9	↓-1.9
2/22 16:50	31.0	↓-1.9
2/22 17:00	29.2	↓-1.8
2/22 17:10	27.6	↓-1.6
2/22 17:20	26.2	↓-1.4
2/22 17:30	24.9	↓-1.3
2/22 17:40	23.7	↓-1.2
2/22 17:50	22.7	↓-1.0
2/22 18:00	21.8	↓-0.9
2/22 18:10	21.2	↓-0.6
2/22 18:20	20.7	↓-0.5
2/22 18:30	20.4	↓-0.3
2/22 18:40	20.2	↓-0.2	干潮
2/22 18:50	20.3	↑0.1
2/22 19:00	20.5	↑0.2
2/22 19:10	20.9	↑0.4
2/22 19:20	21.5	↑0.6
2/22 19:30	22.3	↑0.8
2/22 19:40	23.2	↑0.9
2/22 19:50	24.3	↑1.1
2/22 20:00	25.6	↑1.3
2/22 20:10	27.1	↑1.5
2/22 20:20	28.6	↑1.5
2/22 20:30	30.4	↑1.8
2/22 20:40	32.2	↑1.8
2/22 20:50	34.2	↑2.0
2/22 21:00	36.3	↑2.1
2/22 21:10	38.5	↑2.2
2/22 21:20	40.8	↑2.3
2/22 21:30	43.2	↑2.4
2/22 21:40	45.6	↑2.4
2/22 21:50	48.1	↑2.5
2/22 22:00	50.6	↑2.5
2/22 22:10	53.1	↑2.5
2/22 22:20	55.7	↑2.6
2/22 22:30	58.2	↑2.5
2/22 22:40	60.8	↑2.6
2/22 22:50	63.2	↑2.4
2/22 23:00	65.7	↑2.5
2/22 23:10	68.1	↑2.4
2/22 23:20	70.4	↑2.3
2/22 23:30	72.7	↑2.3
2/22 23:40	74.9	↑2.2
2/22 23:50	76.9	↑2.0