01 (金)	04:08	08:52	14:08	21:30
	111cm	81cm	122cm	-4cm
大潮 出 06:40 入 17:05 出 05:18 入 15:38

那珂湊（茨城）2030年02月01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	48.3	↑4.0
2/1 00:10	52.4	↑4.1
2/1 00:20	56.4	↑4.0
2/1 00:30	60.4	↑4.0
2/1 00:40	64.4	↑4.0
2/1 00:50	68.3	↑3.9
2/1 01:00	72.1	↑3.8
2/1 01:10	75.8	↑3.7
2/1 01:20	79.4	↑3.6
2/1 01:30	82.9	↑3.5
2/1 01:40	86.2	↑3.3
2/1 01:50	89.3	↑3.1
2/1 02:00	92.3	↑3.0
2/1 02:10	95.1	↑2.8
2/1 02:20	97.6	↑2.5
2/1 02:30	100.0	↑2.4
2/1 02:40	102.1	↑2.1
2/1 02:50	104.0	↑1.9
2/1 03:00	105.7	↑1.7
2/1 03:10	107.1	↑1.4
2/1 03:20	108.3	↑1.2
2/1 03:30	109.3	↑1.0
2/1 03:40	110.0	↑0.7
2/1 03:50	110.5	↑0.5
2/1 04:00	110.8	↑0.3	満潮
2/1 04:10	110.8	0
2/1 04:20	110.7	↓-0.1
2/1 04:30	110.3	↓-0.4
2/1 04:40	109.8	↓-0.5
2/1 04:50	109.0	↓-0.8
2/1 05:00	108.1	↓-0.9
2/1 05:10	107.1	↓-1.0
2/1 05:20	105.9	↓-1.2
2/1 05:30	104.6	↓-1.3
2/1 05:40	103.2	↓-1.4
2/1 05:50	101.7	↓-1.5
2/1 06:00	100.1	↓-1.6
2/1 06:10	98.6	↓-1.5
2/1 06:20	96.9	↓-1.7
2/1 06:30	95.3	↓-1.6
2/1 06:40	93.7	↓-1.6
2/1 06:50	92.1	↓-1.6
2/1 07:00	90.5	↓-1.6
2/1 07:10	89.1	↓-1.4
2/1 07:20	87.7	↓-1.4
2/1 07:30	86.4	↓-1.3
2/1 07:40	85.2	↓-1.2
2/1 07:50	84.1	↓-1.1
2/1 08:00	83.2	↓-0.9
2/1 08:10	82.4	↓-0.8
2/1 08:20	81.8	↓-0.6
2/1 08:30	81.4	↓-0.4
2/1 08:40	81.1	↓-0.3
2/1 08:50	81.0	↓-0.1	干潮
2/1 09:00	81.0	0
2/1 09:10	81.3	↑0.3
2/1 09:20	81.7	↑0.4
2/1 09:30	82.3	↑0.6
2/1 09:40	83.1	↑0.8
2/1 09:50	84.0	↑0.9
2/1 10:00	85.1	↑1.1
2/1 10:10	86.4	↑1.3
2/1 10:20	87.8	↑1.4
2/1 10:30	89.3	↑1.5
2/1 10:40	90.9	↑1.6
2/1 10:50	92.7	↑1.8
2/1 11:00	94.5	↑1.8
2/1 11:10	96.3	↑1.8
2/1 11:20	98.3	↑2.0
2/1 11:30	100.2	↑1.9
2/1 11:40	102.2	↑2.0
2/1 11:50	104.2	↑2.0
2/1 12:00	106.1	↑1.9
2/1 12:10	108.0	↑1.9
2/1 12:20	109.9	↑1.9
2/1 12:30	111.7	↑1.8
2/1 12:40	113.3	↑1.6
2/1 12:50	114.9	↑1.6
2/1 13:00	116.3	↑1.4
2/1 13:10	117.6	↑1.3
2/1 13:20	118.6	↑1.0
2/1 13:30	119.6	↑1.0
2/1 13:40	120.3	↑0.7
2/1 13:50	120.8	↑0.5
2/1 14:00	121.1	↑0.3	満潮
2/1 14:10	121.1	0
2/1 14:20	120.9	↓-0.2
2/1 14:30	120.4	↓-0.5
2/1 14:40	119.7	↓-0.7
2/1 14:50	118.8	↓-0.9
2/1 15:00	117.5	↓-1.3
2/1 15:10	116.0	↓-1.5
2/1 15:20	114.3	↓-1.7
2/1 15:30	112.2	↓-2.1
2/1 15:40	109.9	↓-2.3
2/1 15:50	107.4	↓-2.5
2/1 16:00	104.6	↓-2.8
2/1 16:10	101.5	↓-3.1
2/1 16:20	98.3	↓-3.2
2/1 16:30	94.8	↓-3.5
2/1 16:40	91.1	↓-3.7
2/1 16:50	87.3	↓-3.8
2/1 17:00	83.2	↓-4.1
2/1 17:10	79.1	↓-4.1
2/1 17:20	74.8	↓-4.3
2/1 17:30	70.4	↓-4.4
2/1 17:40	65.9	↓-4.5
2/1 17:50	61.4	↓-4.5
2/1 18:00	56.9	↓-4.5
2/1 18:10	52.3	↓-4.6	最大潮位差
2/1 18:20	47.8	↓-4.5
2/1 18:30	43.3	↓-4.5
2/1 18:40	38.9	↓-4.4
2/1 18:50	34.5	↓-4.4
2/1 19:00	30.3	↓-4.2
2/1 19:10	26.3	↓-4.0
2/1 19:20	22.4	↓-3.9
2/1 19:30	18.7	↓-3.7
2/1 19:40	15.2	↓-3.5
2/1 19:50	12.0	↓-3.2
2/1 20:00	9.0	↓-3.0
2/1 20:10	6.3	↓-2.7
2/1 20:20	3.8	↓-2.5
2/1 20:30	1.7	↓-2.1
2/1 20:40	-0.1	↓-1.8
2/1 20:50	-1.6	↓-1.5
2/1 21:00	-2.8	↓-1.2
2/1 21:10	-3.6	↓-0.8
2/1 21:20	-4.1	↓-0.5	干潮
2/1 21:30	-4.2	↓-0.1	干潮
2/1 21:40	-4.0	↑0.2
2/1 21:50	-3.5	↑0.5
2/1 22:00	-2.6	↑0.9
2/1 22:10	-1.4	↑1.2
2/1 22:20	0.2	↑1.6
2/1 22:30	2.0	↑1.8
2/1 22:40	4.2	↑2.2
2/1 22:50	6.6	↑2.4
2/1 23:00	9.3	↑2.7
2/1 23:10	12.3	↑3.0
2/1 23:20	15.5	↑3.2
2/1 23:30	18.9	↑3.4
2/1 23:40	22.5	↑3.6
2/1 23:50	26.3	↑3.8