1 (火)	05:15	10:01	15:14	22:34
	118cm	83cm	125cm	-12cm
大潮 出 06:40 入 17:05 出 06:53 入 16:54

那珂湊（茨城）2022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	15.4	↑3.8
2/1 00:10	19.4	↑4.0
2/1 00:20	23.6	↑4.2
2/1 00:30	27.9	↑4.3
2/1 00:40	32.3	↑4.4
2/1 00:50	36.8	↑4.5
2/1 01:00	41.4	↑4.6
2/1 01:10	46.1	↑4.7
2/1 01:20	50.8	↑4.7
2/1 01:30	55.4	↑4.6
2/1 01:40	60.1	↑4.7
2/1 01:50	64.7	↑4.6
2/1 02:00	69.2	↑4.5
2/1 02:10	73.6	↑4.4
2/1 02:20	77.9	↑4.3
2/1 02:30	82.1	↑4.2
2/1 02:40	86.1	↑4.0
2/1 02:50	89.9	↑3.8
2/1 03:00	93.6	↑3.7
2/1 03:10	97.0	↑3.4
2/1 03:20	100.2	↑3.2
2/1 03:30	103.2	↑3.0
2/1 03:40	105.9	↑2.7
2/1 03:50	108.3	↑2.4
2/1 04:00	110.5	↑2.2
2/1 04:10	112.4	↑1.9
2/1 04:20	114.0	↑1.6
2/1 04:30	115.4	↑1.4
2/1 04:40	116.4	↑1.0
2/1 04:50	117.2	↑0.8
2/1 05:00	117.7	↑0.5
2/1 05:10	118.0	↑0.3	満潮
2/1 05:20	118.0	0
2/1 05:30	117.7	↓-0.3
2/1 05:40	117.2	↓-0.5
2/1 05:50	116.5	↓-0.7
2/1 06:00	115.5	↓-1.0
2/1 06:10	114.4	↓-1.1
2/1 06:20	113.1	↓-1.3
2/1 06:30	111.6	↓-1.5
2/1 06:40	110.1	↓-1.5
2/1 06:50	108.4	↓-1.7
2/1 07:00	106.6	↓-1.8
2/1 07:10	104.7	↓-1.9
2/1 07:20	102.8	↓-1.9
2/1 07:30	100.9	↓-1.9
2/1 07:40	99.0	↓-1.9
2/1 07:50	97.1	↓-1.9
2/1 08:00	95.2	↓-1.9
2/1 08:10	93.5	↓-1.7
2/1 08:20	91.8	↓-1.7
2/1 08:30	90.2	↓-1.6
2/1 08:40	88.7	↓-1.5
2/1 08:50	87.3	↓-1.4
2/1 09:00	86.1	↓-1.2
2/1 09:10	85.1	↓-1.0
2/1 09:20	84.3	↓-0.8
2/1 09:30	83.6	↓-0.7
2/1 09:40	83.1	↓-0.5
2/1 09:50	82.8	↓-0.3
2/1 10:00	82.7	↓-0.1	干潮
2/1 10:10	82.8	↑0.1
2/1 10:20	83.1	↑0.3
2/1 10:30	83.6	↑0.5
2/1 10:40	84.2	↑0.6
2/1 10:50	85.1	↑0.9
2/1 11:00	86.1	↑1.0
2/1 11:10	87.3	↑1.2
2/1 11:20	88.7	↑1.4
2/1 11:30	90.2	↑1.5
2/1 11:40	91.8	↑1.6
2/1 11:50	93.6	↑1.8
2/1 12:00	95.4	↑1.8
2/1 12:10	97.4	↑2.0
2/1 12:20	99.4	↑2.0
2/1 12:30	101.4	↑2.0
2/1 12:40	103.5	↑2.1
2/1 12:50	105.6	↑2.1
2/1 13:00	107.7	↑2.1
2/1 13:10	109.7	↑2.0
2/1 13:20	111.7	↑2.0
2/1 13:30	113.6	↑1.9
2/1 13:40	115.5	↑1.9
2/1 13:50	117.2	↑1.7
2/1 14:00	118.8	↑1.6
2/1 14:10	120.3	↑1.5
2/1 14:20	121.5	↑1.2
2/1 14:30	122.6	↑1.1
2/1 14:40	123.5	↑0.9
2/1 14:50	124.2	↑0.7
2/1 15:00	124.7	↑0.5
2/1 15:10	124.9	↑0.2	満潮
2/1 15:20	124.8	↓-0.1
2/1 15:30	124.5	↓-0.3
2/1 15:40	123.9	↓-0.6
2/1 15:50	123.0	↓-0.9
2/1 16:00	121.8	↓-1.2
2/1 16:10	120.3	↓-1.5
2/1 16:20	118.5	↓-1.8
2/1 16:30	116.5	↓-2.0
2/1 16:40	114.1	↓-2.4
2/1 16:50	111.4	↓-2.7
2/1 17:00	108.5	↓-2.9
2/1 17:10	105.3	↓-3.2
2/1 17:20	101.8	↓-3.5
2/1 17:30	98.1	↓-3.7
2/1 17:40	94.2	↓-3.9
2/1 17:50	90.0	↓-4.2
2/1 18:00	85.7	↓-4.3
2/1 18:10	81.1	↓-4.6
2/1 18:20	76.5	↓-4.6
2/1 18:30	71.7	↓-4.8
2/1 18:40	66.8	↓-4.9
2/1 18:50	61.8	↓-5.0
2/1 19:00	56.8	↓-5.0
2/1 19:10	51.7	↓-5.1	最大潮位差
2/1 19:20	46.7	↓-5.0
2/1 19:30	41.7	↓-5.0
2/1 19:40	36.8	↓-4.9
2/1 19:50	32.0	↓-4.8
2/1 20:00	27.3	↓-4.7
2/1 20:10	22.7	↓-4.6
2/1 20:20	18.4	↓-4.3
2/1 20:30	14.2	↓-4.2
2/1 20:40	10.3	↓-3.9
2/1 20:50	6.6	↓-3.7
2/1 21:00	3.2	↓-3.4
2/1 21:10	0.1	↓-3.1
2/1 21:20	-2.7	↓-2.8
2/1 21:30	-5.1	↓-2.4
2/1 21:40	-7.3	↓-2.2
2/1 21:50	-9.0	↓-1.7
2/1 22:00	-10.4	↓-1.4
2/1 22:10	-11.5	↓-1.1
2/1 22:20	-12.2	↓-0.7
2/1 22:30	-12.5	↓-0.3	干潮
2/1 22:40	-12.4	↑0.1
2/1 22:50	-12.0	↑0.4
2/1 23:00	-11.2	↑0.8
2/1 23:10	-10.0	↑1.2
2/1 23:20	-8.5	↑1.5
2/1 23:30	-6.7	↑1.8
2/1 23:40	-4.5	↑2.2
2/1 23:50	-2.0	↑2.5