22 (水)	05:57	11:21	17:17	23:52
	112cm	50cm	122cm	12cm
中潮 出 06:18 入 17:26 出 07:38 入 19:41

那珂湊（茨城）2023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	3.9	↑1.4
2/22 00:10	5.7	↑1.8
2/22 00:20	7.7	↑2.0
2/22 00:30	10.1	↑2.4
2/22 00:40	12.7	↑2.6
2/22 00:50	15.6	↑2.9
2/22 01:00	18.7	↑3.1
2/22 01:10	22.1	↑3.4
2/22 01:20	25.7	↑3.6
2/22 01:30	29.4	↑3.7
2/22 01:40	33.3	↑3.9
2/22 01:50	37.4	↑4.1
2/22 02:00	41.5	↑4.1
2/22 02:10	45.8	↑4.3
2/22 02:20	50.1	↑4.3
2/22 02:30	54.4	↑4.3
2/22 02:40	58.7	↑4.3
2/22 02:50	63.0	↑4.3
2/22 03:00	67.3	↑4.3
2/22 03:10	71.5	↑4.2
2/22 03:20	75.6	↑4.1
2/22 03:30	79.6	↑4.0
2/22 03:40	83.4	↑3.8
2/22 03:50	87.0	↑3.6
2/22 04:00	90.5	↑3.5
2/22 04:10	93.7	↑3.2
2/22 04:20	96.8	↑3.1
2/22 04:30	99.5	↑2.7
2/22 04:40	102.0	↑2.5
2/22 04:50	104.2	↑2.2
2/22 05:00	106.1	↑1.9
2/22 05:10	107.8	↑1.7
2/22 05:20	109.1	↑1.3
2/22 05:30	110.1	↑1.0
2/22 05:40	110.7	↑0.6
2/22 05:50	111.1	↑0.4	満潮
2/22 06:00	111.1	0
2/22 06:10	110.8	↓-0.3
2/22 06:20	110.2	↓-0.6
2/22 06:30	109.3	↓-0.9
2/22 06:40	108.2	↓-1.1
2/22 06:50	106.7	↓-1.5
2/22 07:00	105.0	↓-1.7
2/22 07:10	103.1	↓-1.9
2/22 07:20	100.9	↓-2.2
2/22 07:30	98.6	↓-2.3
2/22 07:40	96.1	↓-2.5
2/22 07:50	93.4	↓-2.7
2/22 08:00	90.6	↓-2.8
2/22 08:10	87.8	↓-2.8
2/22 08:20	84.8	↓-3.0
2/22 08:30	81.9	↓-2.9
2/22 08:40	78.9	↓-3.0
2/22 08:50	76.0	↓-2.9
2/22 09:00	73.1	↓-2.9
2/22 09:10	70.2	↓-2.9
2/22 09:20	67.5	↓-2.7
2/22 09:30	64.9	↓-2.6
2/22 09:40	62.5	↓-2.4
2/22 09:50	60.2	↓-2.3
2/22 10:00	58.1	↓-2.1
2/22 10:10	56.2	↓-1.9
2/22 10:20	54.5	↓-1.7
2/22 10:30	53.1	↓-1.4
2/22 10:40	51.9	↓-1.2
2/22 10:50	51.0	↓-0.9
2/22 11:00	50.3	↓-0.7
2/22 11:10	49.9	↓-0.4
2/22 11:20	49.8	↓-0.1	干潮
2/22 11:30	49.9	↑0.1
2/22 11:40	50.3	↑0.4
2/22 11:50	51.0	↑0.7
2/22 12:00	51.9	↑0.9
2/22 12:10	53.1	↑1.2
2/22 12:20	54.6	↑1.5
2/22 12:30	56.2	↑1.6
2/22 12:40	58.1	↑1.9
2/22 12:50	60.2	↑2.1
2/22 13:00	62.5	↑2.3
2/22 13:10	64.9	↑2.4
2/22 13:20	67.5	↑2.6
2/22 13:30	70.3	↑2.8
2/22 13:40	73.2	↑2.9
2/22 13:50	76.1	↑2.9
2/22 14:00	79.2	↑3.1
2/22 14:10	82.3	↑3.1
2/22 14:20	85.4	↑3.1
2/22 14:30	88.5	↑3.1
2/22 14:40	91.6	↑3.1
2/22 14:50	94.7	↑3.1
2/22 15:00	97.7	↑3.0
2/22 15:10	100.7	↑3.0
2/22 15:20	103.5	↑2.8
2/22 15:30	106.2	↑2.7
2/22 15:40	108.8	↑2.6
2/22 15:50	111.1	↑2.3
2/22 16:00	113.3	↑2.2
2/22 16:10	115.3	↑2.0
2/22 16:20	117.0	↑1.7
2/22 16:30	118.5	↑1.5
2/22 16:40	119.7	↑1.2
2/22 16:50	120.7	↑1.0
2/22 17:00	121.3	↑0.6
2/22 17:10	121.7	↑0.4	満潮
2/22 17:20	121.7	0
2/22 17:30	121.4	↓-0.3
2/22 17:40	120.8	↓-0.6
2/22 17:50	119.8	↓-1.0
2/22 18:00	118.6	↓-1.2
2/22 18:10	117.0	↓-1.6
2/22 18:20	115.1	↓-1.9
2/22 18:30	112.9	↓-2.2
2/22 18:40	110.4	↓-2.5
2/22 18:50	107.6	↓-2.8
2/22 19:00	104.5	↓-3.1
2/22 19:10	101.2	↓-3.3
2/22 19:20	97.7	↓-3.5
2/22 19:30	94.0	↓-3.7
2/22 19:40	90.0	↓-4.0
2/22 19:50	85.9	↓-4.1
2/22 20:00	81.7	↓-4.2
2/22 20:10	77.4	↓-4.3
2/22 20:20	73.0	↓-4.4
2/22 20:30	68.6	↓-4.4
2/22 20:40	64.1	↓-4.5	最大潮位差
2/22 20:50	59.7	↓-4.4
2/22 21:00	55.3	↓-4.4
2/22 21:10	51.0	↓-4.3
2/22 21:20	46.8	↓-4.2
2/22 21:30	42.7	↓-4.1
2/22 21:40	38.8	↓-3.9
2/22 21:50	35.1	↓-3.7
2/22 22:00	31.6	↓-3.5
2/22 22:10	28.3	↓-3.3
2/22 22:20	25.3	↓-3.0
2/22 22:30	22.5	↓-2.8
2/22 22:40	20.0	↓-2.5
2/22 22:50	17.9	↓-2.1
2/22 23:00	16.0	↓-1.9
2/22 23:10	14.5	↓-1.5
2/22 23:20	13.3	↓-1.2
2/22 23:30	12.4	↓-0.9
2/22 23:40	11.8	↓-0.6
2/22 23:50	11.6	↓-0.2	干潮