22 (月)	06:19	11:48	17:50	-
	111cm	47cm	118cm	-
中潮 出 06:18 入 17:27 出 20:28 入 08:03

那珂湊（茨城）2038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	7.2	↑0.5
2/22 00:10	8.1	↑0.9
2/22 00:20	9.3	↑1.2
2/22 00:30	10.8	↑1.5
2/22 00:40	12.6	↑1.8
2/22 00:50	14.7	↑2.1
2/22 01:00	17.0	↑2.3
2/22 01:10	19.7	↑2.7
2/22 01:20	22.5	↑2.8
2/22 01:30	25.6	↑3.1
2/22 01:40	28.9	↑3.3
2/22 01:50	32.3	↑3.4
2/22 02:00	35.9	↑3.6
2/22 02:10	39.7	↑3.8
2/22 02:20	43.6	↑3.9
2/22 02:30	47.5	↑3.9
2/22 02:40	51.5	↑4.0
2/22 02:50	55.6	↑4.1
2/22 03:00	59.6	↑4.0
2/22 03:10	63.7	↑4.1
2/22 03:20	67.7	↑4.0
2/22 03:30	71.7	↑4.0
2/22 03:40	75.5	↑3.8
2/22 03:50	79.3	↑3.8
2/22 04:00	83.0	↑3.7
2/22 04:10	86.5	↑3.5
2/22 04:20	89.8	↑3.3
2/22 04:30	92.9	↑3.1
2/22 04:40	95.8	↑2.9
2/22 04:50	98.5	↑2.7
2/22 05:00	101.0	↑2.5
2/22 05:10	103.1	↑2.1
2/22 05:20	105.0	↑1.9
2/22 05:30	106.7	↑1.7
2/22 05:40	108.0	↑1.3
2/22 05:50	109.0	↑1.0
2/22 06:00	109.7	↑0.7
2/22 06:10	110.1	↑0.4	満潮
2/22 06:20	110.2	↑0.1
2/22 06:30	110.0	↓-0.2
2/22 06:40	109.4	↓-0.6
2/22 06:50	108.6	↓-0.8
2/22 07:00	107.5	↓-1.1
2/22 07:10	106.1	↓-1.4
2/22 07:20	104.5	↓-1.6
2/22 07:30	102.6	↓-1.9
2/22 07:40	100.5	↓-2.1
2/22 07:50	98.2	↓-2.3
2/22 08:00	95.7	↓-2.5
2/22 08:10	93.1	↓-2.6
2/22 08:20	90.3	↓-2.8
2/22 08:30	87.4	↓-2.9
2/22 08:40	84.4	↓-3.0
2/22 08:50	81.4	↓-3.0
2/22 09:00	78.4	↓-3.0
2/22 09:10	75.4	↓-3.0
2/22 09:20	72.4	↓-3.0
2/22 09:30	69.4	↓-3.0
2/22 09:40	66.6	↓-2.8
2/22 09:50	63.9	↓-2.7
2/22 10:00	61.3	↓-2.6
2/22 10:10	58.8	↓-2.5
2/22 10:20	56.6	↓-2.2
2/22 10:30	54.5	↓-2.1
2/22 10:40	52.7	↓-1.8
2/22 10:50	51.1	↓-1.6
2/22 11:00	49.7	↓-1.4
2/22 11:10	48.6	↓-1.1
2/22 11:20	47.7	↓-0.9
2/22 11:30	47.1	↓-0.6
2/22 11:40	46.8	↓-0.3	干潮
2/22 11:50	46.7	↓-0.1
2/22 12:00	46.9	↑0.2
2/22 12:10	47.4	↑0.5
2/22 12:20	48.1	↑0.7
2/22 12:30	49.1	↑1.0
2/22 12:40	50.3	↑1.2
2/22 12:50	51.8	↑1.5
2/22 13:00	53.5	↑1.7
2/22 13:10	55.4	↑1.9
2/22 13:20	57.5	↑2.1
2/22 13:30	59.8	↑2.3
2/22 13:40	62.2	↑2.4
2/22 13:50	64.8	↑2.6
2/22 14:00	67.5	↑2.7
2/22 14:10	70.3	↑2.8
2/22 14:20	73.2	↑2.9
2/22 14:30	76.2	↑3.0
2/22 14:40	79.2	↑3.0
2/22 14:50	82.3	↑3.1
2/22 15:00	85.3	↑3.0
2/22 15:10	88.4	↑3.1
2/22 15:20	91.4	↑3.0
2/22 15:30	94.3	↑2.9
2/22 15:40	97.2	↑2.9
2/22 15:50	99.9	↑2.7
2/22 16:00	102.5	↑2.6
2/22 16:10	105.0	↑2.5
2/22 16:20	107.3	↑2.3
2/22 16:30	109.5	↑2.2
2/22 16:40	111.4	↑1.9
2/22 16:50	113.1	↑1.7
2/22 17:00	114.6	↑1.5
2/22 17:10	115.8	↑1.2
2/22 17:20	116.8	↑1.0
2/22 17:30	117.5	↑0.7
2/22 17:40	117.9	↑0.4	満潮
2/22 17:50	118.0	↑0.1	満潮
2/22 18:00	117.8	↓-0.2
2/22 18:10	117.3	↓-0.5
2/22 18:20	116.5	↓-0.8
2/22 18:30	115.4	↓-1.1
2/22 18:40	114.0	↓-1.4
2/22 18:50	112.3	↓-1.7
2/22 19:00	110.2	↓-2.1
2/22 19:10	108.0	↓-2.2
2/22 19:20	105.4	↓-2.6
2/22 19:30	102.6	↓-2.8
2/22 19:40	99.5	↓-3.1
2/22 19:50	96.3	↓-3.2
2/22 20:00	92.8	↓-3.5
2/22 20:10	89.2	↓-3.6
2/22 20:20	85.4	↓-3.8
2/22 20:30	81.5	↓-3.9
2/22 20:40	77.5	↓-4.0
2/22 20:50	73.4	↓-4.1
2/22 21:00	69.3	↓-4.1
2/22 21:10	65.1	↓-4.2	最大潮位差
2/22 21:20	61.0	↓-4.1
2/22 21:30	57.0	↓-4.0
2/22 21:40	53.0	↓-4.0
2/22 21:50	49.1	↓-3.9
2/22 22:00	45.4	↓-3.7
2/22 22:10	41.8	↓-3.6
2/22 22:20	38.4	↓-3.4
2/22 22:30	35.2	↓-3.2
2/22 22:40	32.2	↓-3.0
2/22 22:50	29.5	↓-2.7
2/22 23:00	27.0	↓-2.5
2/22 23:10	24.8	↓-2.2
2/22 23:20	22.9	↓-1.9
2/22 23:30	21.3	↓-1.6
2/22 23:40	20.0	↓-1.3
2/22 23:50	19.0	↓-1.0