1 (金)	05:18	10:03	15:15	22:36
	119cm	84cm	126cm	-13cm
大潮 出 06:39 入 17:05 出 06:53 入 16:55

那珂湊（茨城）2041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	14.4	↑3.8
2/1 00:10	18.3	↑3.9
2/1 00:20	22.5	↑4.2
2/1 00:30	26.8	↑4.3
2/1 00:40	31.2	↑4.4
2/1 00:50	35.7	↑4.5
2/1 01:00	40.3	↑4.6
2/1 01:10	44.9	↑4.6
2/1 01:20	49.6	↑4.7
2/1 01:30	54.3	↑4.7
2/1 01:40	58.9	↑4.6
2/1 01:50	63.6	↑4.7
2/1 02:00	68.1	↑4.5
2/1 02:10	72.6	↑4.5
2/1 02:20	76.9	↑4.3
2/1 02:30	81.1	↑4.2
2/1 02:40	85.2	↑4.1
2/1 02:50	89.1	↑3.9
2/1 03:00	92.8	↑3.7
2/1 03:10	96.2	↑3.4
2/1 03:20	99.5	↑3.3
2/1 03:30	102.5	↑3.0
2/1 03:40	105.3	↑2.8
2/1 03:50	107.9	↑2.6
2/1 04:00	110.1	↑2.2
2/1 04:10	112.1	↑2.0
2/1 04:20	113.8	↑1.7
2/1 04:30	115.2	↑1.4
2/1 04:40	116.4	↑1.2
2/1 04:50	117.2	↑0.8
2/1 05:00	117.8	↑0.6
2/1 05:10	118.2	↑0.4	満潮
2/1 05:20	118.2	0
2/1 05:30	118.0	↓-0.2
2/1 05:40	117.6	↓-0.4
2/1 05:50	116.9	↓-0.7
2/1 06:00	116.0	↓-0.9
2/1 06:10	115.0	↓-1.0
2/1 06:20	113.7	↓-1.3
2/1 06:30	112.3	↓-1.4
2/1 06:40	110.8	↓-1.5
2/1 06:50	109.1	↓-1.7
2/1 07:00	107.4	↓-1.7
2/1 07:10	105.5	↓-1.9
2/1 07:20	103.7	↓-1.8
2/1 07:30	101.8	↓-1.9
2/1 07:40	99.8	↓-2.0
2/1 07:50	98.0	↓-1.8
2/1 08:00	96.1	↓-1.9
2/1 08:10	94.3	↓-1.8
2/1 08:20	92.6	↓-1.7
2/1 08:30	91.0	↓-1.6
2/1 08:40	89.5	↓-1.5
2/1 08:50	88.1	↓-1.4
2/1 09:00	86.9	↓-1.2
2/1 09:10	85.9	↓-1.0
2/1 09:20	85.0	↓-0.9
2/1 09:30	84.3	↓-0.7
2/1 09:40	83.7	↓-0.6
2/1 09:50	83.4	↓-0.3
2/1 10:00	83.3	↓-0.1	干潮
2/1 10:10	83.3	0
2/1 10:20	83.6	↑0.3
2/1 10:30	84.1	↑0.5
2/1 10:40	84.7	↑0.6
2/1 10:50	85.5	↑0.8
2/1 11:00	86.6	↑1.1
2/1 11:10	87.7	↑1.1
2/1 11:20	89.1	↑1.4
2/1 11:30	90.5	↑1.4
2/1 11:40	92.2	↑1.7
2/1 11:50	93.9	↑1.7
2/1 12:00	95.7	↑1.8
2/1 12:10	97.6	↑1.9
2/1 12:20	99.6	↑2.0
2/1 12:30	101.6	↑2.0
2/1 12:40	103.7	↑2.1
2/1 12:50	105.8	↑2.1
2/1 13:00	107.8	↑2.0
2/1 13:10	109.9	↑2.1
2/1 13:20	111.8	↑1.9
2/1 13:30	113.8	↑2.0
2/1 13:40	115.6	↑1.8
2/1 13:50	117.3	↑1.7
2/1 14:00	118.9	↑1.6
2/1 14:10	120.4	↑1.5
2/1 14:20	121.6	↑1.2
2/1 14:30	122.8	↑1.2
2/1 14:40	123.7	↑0.9
2/1 14:50	124.3	↑0.6
2/1 15:00	124.8	↑0.5
2/1 15:10	125.0	↑0.2	満潮
2/1 15:20	125.0	0
2/1 15:30	124.7	↓-0.3
2/1 15:40	124.1	↓-0.6
2/1 15:50	123.2	↓-0.9
2/1 16:00	122.1	↓-1.1
2/1 16:10	120.6	↓-1.5
2/1 16:20	118.9	↓-1.7
2/1 16:30	116.9	↓-2.0
2/1 16:40	114.5	↓-2.4
2/1 16:50	111.9	↓-2.6
2/1 17:00	109.0	↓-2.9
2/1 17:10	105.8	↓-3.2
2/1 17:20	102.4	↓-3.4
2/1 17:30	98.7	↓-3.7
2/1 17:40	94.8	↓-3.9
2/1 17:50	90.7	↓-4.1
2/1 18:00	86.3	↓-4.4
2/1 18:10	81.8	↓-4.5
2/1 18:20	77.1	↓-4.7
2/1 18:30	72.3	↓-4.8
2/1 18:40	67.4	↓-4.9
2/1 18:50	62.4	↓-5.0
2/1 19:00	57.4	↓-5.0
2/1 19:10	52.3	↓-5.1	最大潮位差
2/1 19:20	47.2	↓-5.1	最大潮位差
2/1 19:30	42.2	↓-5.0
2/1 19:40	37.2	↓-5.0
2/1 19:50	32.4	↓-4.8
2/1 20:00	27.6	↓-4.8
2/1 20:10	23.0	↓-4.6
2/1 20:20	18.6	↓-4.4
2/1 20:30	14.3	↓-4.3
2/1 20:40	10.3	↓-4.0
2/1 20:50	6.6	↓-3.7
2/1 21:00	3.1	↓-3.5
2/1 21:10	-0.1	↓-3.2
2/1 21:20	-2.9	↓-2.8
2/1 21:30	-5.5	↓-2.6
2/1 21:40	-7.7	↓-2.2
2/1 21:50	-9.6	↓-1.9
2/1 22:00	-11.1	↓-1.5
2/1 22:10	-12.2	↓-1.1
2/1 22:20	-13.0	↓-0.8
2/1 22:30	-13.3	↓-0.3	干潮
2/1 22:40	-13.4	↓-0.1
2/1 22:50	-13.0	↑0.4
2/1 23:00	-12.3	↑0.7
2/1 23:10	-11.2	↑1.1
2/1 23:20	-9.7	↑1.5
2/1 23:30	-7.9	↑1.8
2/1 23:40	-5.8	↑2.1
2/1 23:50	-3.4	↑2.4