22 (土)	04:49	10:20	16:17	22:49
	113cm	46cm	123cm	11cm
大潮 出 06:18 入 17:26 出 06:11 入 18:13

那珂湊（茨城）2031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	23.6	↑3.2
2/22 00:10	27.0	↑3.4
2/22 00:20	30.7	↑3.7
2/22 00:30	34.5	↑3.8
2/22 00:40	38.4	↑3.9
2/22 00:50	42.5	↑4.1
2/22 01:00	46.6	↑4.1
2/22 01:10	50.9	↑4.3
2/22 01:20	55.2	↑4.3
2/22 01:30	59.4	↑4.2
2/22 01:40	63.7	↑4.3
2/22 01:50	68.0	↑4.3
2/22 02:00	72.1	↑4.1
2/22 02:10	76.2	↑4.1
2/22 02:20	80.2	↑4.0
2/22 02:30	84.0	↑3.8
2/22 02:40	87.7	↑3.7
2/22 02:50	91.1	↑3.4
2/22 03:00	94.4	↑3.3
2/22 03:10	97.4	↑3.0
2/22 03:20	100.2	↑2.8
2/22 03:30	102.8	↑2.6
2/22 03:40	105.0	↑2.2
2/22 03:50	107.0	↑2.0
2/22 04:00	108.7	↑1.7
2/22 04:10	110.0	↑1.3
2/22 04:20	111.1	↑1.1
2/22 04:30	111.8	↑0.7
2/22 04:40	112.2	↑0.4	満潮
2/22 04:50	112.3	↑0.1
2/22 05:00	112.0	↓-0.3
2/22 05:10	111.5	↓-0.5
2/22 05:20	110.6	↓-0.9
2/22 05:30	109.5	↓-1.1
2/22 05:40	108.1	↓-1.4
2/22 05:50	106.4	↓-1.7
2/22 06:00	104.4	↓-2.0
2/22 06:10	102.3	↓-2.1
2/22 06:20	99.9	↓-2.4
2/22 06:30	97.3	↓-2.6
2/22 06:40	94.6	↓-2.7
2/22 06:50	91.8	↓-2.8
2/22 07:00	88.8	↓-3.0
2/22 07:10	85.7	↓-3.1
2/22 07:20	82.6	↓-3.1
2/22 07:30	79.5	↓-3.1
2/22 07:40	76.4	↓-3.1
2/22 07:50	73.3	↓-3.1
2/22 08:00	70.2	↓-3.1
2/22 08:10	67.3	↓-2.9
2/22 08:20	64.4	↓-2.9
2/22 08:30	61.7	↓-2.7
2/22 08:40	59.1	↓-2.6
2/22 08:50	56.8	↓-2.3
2/22 09:00	54.6	↓-2.2
2/22 09:10	52.6	↓-2.0
2/22 09:20	50.9	↓-1.7
2/22 09:30	49.4	↓-1.5
2/22 09:40	48.1	↓-1.3
2/22 09:50	47.2	↓-0.9
2/22 10:00	46.5	↓-0.7
2/22 10:10	46.1	↓-0.4	干潮
2/22 10:20	46.0	↓-0.1	干潮
2/22 10:30	46.1	↑0.1
2/22 10:40	46.6	↑0.5
2/22 10:50	47.3	↑0.7
2/22 11:00	48.3	↑1.0
2/22 11:10	49.6	↑1.3
2/22 11:20	51.1	↑1.5
2/22 11:30	52.9	↑1.8
2/22 11:40	54.9	↑2.0
2/22 11:50	57.2	↑2.3
2/22 12:00	59.6	↑2.4
2/22 12:10	62.2	↑2.6
2/22 12:20	65.0	↑2.8
2/22 12:30	68.0	↑3.0
2/22 12:40	71.0	↑3.0
2/22 12:50	74.2	↑3.2
2/22 13:00	77.4	↑3.2
2/22 13:10	80.7	↑3.3
2/22 13:20	84.0	↑3.3
2/22 13:30	87.3	↑3.3
2/22 13:40	90.6	↑3.3
2/22 13:50	93.9	↑3.3
2/22 14:00	97.1	↑3.2
2/22 14:10	100.2	↑3.1
2/22 14:20	103.2	↑3.0
2/22 14:30	106.0	↑2.8
2/22 14:40	108.7	↑2.7
2/22 14:50	111.2	↑2.5
2/22 15:00	113.5	↑2.3
2/22 15:10	115.6	↑2.1
2/22 15:20	117.4	↑1.8
2/22 15:30	118.9	↑1.5
2/22 15:40	120.2	↑1.3
2/22 15:50	121.2	↑1.0
2/22 16:00	121.8	↑0.6
2/22 16:10	122.2	↑0.4	満潮
2/22 16:20	122.2	0
2/22 16:30	121.9	↓-0.3
2/22 16:40	121.3	↓-0.6
2/22 16:50	120.3	↓-1.0
2/22 17:00	119.0	↓-1.3
2/22 17:10	117.4	↓-1.6
2/22 17:20	115.4	↓-2.0
2/22 17:30	113.2	↓-2.2
2/22 17:40	110.6	↓-2.6
2/22 17:50	107.7	↓-2.9
2/22 18:00	104.6	↓-3.1
2/22 18:10	101.2	↓-3.4
2/22 18:20	97.6	↓-3.6
2/22 18:30	93.8	↓-3.8
2/22 18:40	89.7	↓-4.1
2/22 18:50	85.6	↓-4.1
2/22 19:00	81.3	↓-4.3
2/22 19:10	76.9	↓-4.4
2/22 19:20	72.4	↓-4.5
2/22 19:30	67.9	↓-4.5
2/22 19:40	63.3	↓-4.6	最大潮位差
2/22 19:50	58.8	↓-4.5
2/22 20:00	54.3	↓-4.5
2/22 20:10	49.9	↓-4.4
2/22 20:20	45.6	↓-4.3
2/22 20:30	41.5	↓-4.1
2/22 20:40	37.5	↓-4.0
2/22 20:50	33.7	↓-3.8
2/22 21:00	30.2	↓-3.5
2/22 21:10	26.8	↓-3.4
2/22 21:20	23.8	↓-3.0
2/22 21:30	21.0	↓-2.8
2/22 21:40	18.5	↓-2.5
2/22 21:50	16.3	↓-2.2
2/22 22:00	14.4	↓-1.9
2/22 22:10	12.9	↓-1.5
2/22 22:20	11.7	↓-1.2
2/22 22:30	10.9	↓-0.8
2/22 22:40	10.5	↓-0.4	干潮
2/22 22:50	10.3	↓-0.2
2/22 23:00	10.6	↑0.3
2/22 23:10	11.1	↑0.5
2/22 23:20	12.1	↑1.0
2/22 23:30	13.3	↑1.2
2/22 23:40	14.9	↑1.6
2/22 23:50	16.8	↑1.9