1 (土)	05:40	10:51	16:25	23:14
	116cm	67cm	120cm	7cm
中潮 出 06:40 入 17:05 出 18:30 入 07:00

那珂湊（茨城）2048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	12.2	↑2.4
2/1 00:10	14.9	↑2.7
2/1 00:20	17.8	↑2.9
2/1 00:30	21.0	↑3.2
2/1 00:40	24.4	↑3.4
2/1 00:50	27.9	↑3.5
2/1 01:00	31.6	↑3.7
2/1 01:10	35.5	↑3.9
2/1 01:20	39.5	↑4.0
2/1 01:30	43.6	↑4.1
2/1 01:40	47.7	↑4.1
2/1 01:50	51.9	↑4.2
2/1 02:00	56.2	↑4.3
2/1 02:10	60.5	↑4.3
2/1 02:20	64.7	↑4.2
2/1 02:30	68.9	↑4.2
2/1 02:40	73.0	↑4.1
2/1 02:50	77.1	↑4.1
2/1 03:00	81.0	↑3.9
2/1 03:10	84.8	↑3.8
2/1 03:20	88.5	↑3.7
2/1 03:30	91.9	↑3.4
2/1 03:40	95.2	↑3.3
2/1 03:50	98.3	↑3.1
2/1 04:00	101.2	↑2.9
2/1 04:10	103.8	↑2.6
2/1 04:20	106.2	↑2.4
2/1 04:30	108.3	↑2.1
2/1 04:40	110.1	↑1.8
2/1 04:50	111.7	↑1.6
2/1 05:00	113.0	↑1.3
2/1 05:10	114.0	↑1.0
2/1 05:20	114.7	↑0.7
2/1 05:30	115.1	↑0.4	満潮
2/1 05:40	115.2	↑0.1	満潮
2/1 05:50	115.0	↓-0.2
2/1 06:00	114.6	↓-0.4
2/1 06:10	113.9	↓-0.7
2/1 06:20	112.9	↓-1.0
2/1 06:30	111.7	↓-1.2
2/1 06:40	110.3	↓-1.4
2/1 06:50	108.7	↓-1.6
2/1 07:00	106.9	↓-1.8
2/1 07:10	104.9	↓-2.0
2/1 07:20	102.8	↓-2.1
2/1 07:30	100.6	↓-2.2
2/1 07:40	98.2	↓-2.4
2/1 07:50	95.8	↓-2.4
2/1 08:00	93.4	↓-2.4
2/1 08:10	90.9	↓-2.5
2/1 08:20	88.5	↓-2.4
2/1 08:30	86.0	↓-2.5
2/1 08:40	83.7	↓-2.3
2/1 08:50	81.4	↓-2.3
2/1 09:00	79.2	↓-2.2
2/1 09:10	77.1	↓-2.1
2/1 09:20	75.1	↓-2.0
2/1 09:30	73.3	↓-1.8
2/1 09:40	71.7	↓-1.6
2/1 09:50	70.3	↓-1.4
2/1 10:00	69.1	↓-1.2
2/1 10:10	68.1	↓-1.0
2/1 10:20	67.3	↓-0.8
2/1 10:30	66.7	↓-0.6
2/1 10:40	66.3	↓-0.4
2/1 10:50	66.2	↓-0.1	干潮
2/1 11:00	66.3	↑0.1
2/1 11:10	66.7	↑0.4
2/1 11:20	67.3	↑0.6
2/1 11:30	68.1	↑0.8
2/1 11:40	69.1	↑1.0
2/1 11:50	70.3	↑1.2
2/1 12:00	71.6	↑1.3
2/1 12:10	73.2	↑1.6
2/1 12:20	75.0	↑1.8
2/1 12:30	76.8	↑1.8
2/1 12:40	78.9	↑2.1
2/1 12:50	81.0	↑2.1
2/1 13:00	83.2	↑2.2
2/1 13:10	85.5	↑2.3
2/1 13:20	87.9	↑2.4
2/1 13:30	90.3	↑2.4
2/1 13:40	92.8	↑2.5
2/1 13:50	95.2	↑2.4
2/1 14:00	97.7	↑2.5
2/1 14:10	100.1	↑2.4
2/1 14:20	102.4	↑2.3
2/1 14:30	104.6	↑2.2
2/1 14:40	106.8	↑2.2
2/1 14:50	108.9	↑2.1
2/1 15:00	110.8	↑1.9
2/1 15:10	112.5	↑1.7
2/1 15:20	114.1	↑1.6
2/1 15:30	115.5	↑1.4
2/1 15:40	116.7	↑1.2
2/1 15:50	117.7	↑1.0
2/1 16:00	118.4	↑0.7
2/1 16:10	118.9	↑0.5
2/1 16:20	119.1	↑0.2	満潮
2/1 16:30	119.1	0
2/1 16:40	118.8	↓-0.3
2/1 16:50	118.2	↓-0.6
2/1 17:00	117.3	↓-0.9
2/1 17:10	116.1	↓-1.2
2/1 17:20	114.7	↓-1.4
2/1 17:30	112.9	↓-1.8
2/1 17:40	110.9	↓-2.0
2/1 17:50	108.6	↓-2.3
2/1 18:00	106.0	↓-2.6
2/1 18:10	103.2	↓-2.8
2/1 18:20	100.1	↓-3.1
2/1 18:30	96.8	↓-3.3
2/1 18:40	93.3	↓-3.5
2/1 18:50	89.5	↓-3.8
2/1 19:00	85.6	↓-3.9
2/1 19:10	81.6	↓-4.0
2/1 19:20	77.4	↓-4.2
2/1 19:30	73.2	↓-4.2
2/1 19:40	68.8	↓-4.4	最大潮位差
2/1 19:50	64.4	↓-4.4	最大潮位差
2/1 20:00	60.0	↓-4.4	最大潮位差
2/1 20:10	55.6	↓-4.4	最大潮位差
2/1 20:20	51.2	↓-4.4	最大潮位差
2/1 20:30	46.9	↓-4.3
2/1 20:40	42.7	↓-4.2
2/1 20:50	38.7	↓-4.0
2/1 21:00	34.7	↓-4.0
2/1 21:10	31.0	↓-3.7
2/1 21:20	27.4	↓-3.6
2/1 21:30	24.1	↓-3.3
2/1 21:40	21.0	↓-3.1
2/1 21:50	18.2	↓-2.8
2/1 22:00	15.7	↓-2.5
2/1 22:10	13.4	↓-2.3
2/1 22:20	11.5	↓-1.9
2/1 22:30	9.9	↓-1.6
2/1 22:40	8.6	↓-1.3
2/1 22:50	7.7	↓-0.9
2/1 23:00	7.1	↓-0.6
2/1 23:10	6.8	↓-0.3	干潮
2/1 23:20	6.9	↑0.1
2/1 23:30	7.3	↑0.4
2/1 23:40	8.1	↑0.8
2/1 23:50	9.1	↑1.0