7 (土)	04:45	09:56	15:21	22:17
	113cm	69cm	115cm	5cm
大潮 出 06:34 入 17:11 出 06:00 入 16:46

那珂湊（茨城）2054年02月7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
2/7 00:00	32.4	↑3.4
2/7 00:10	36.0	↑3.6
2/7 00:20	39.7	↑3.7
2/7 00:30	43.5	↑3.8
2/7 00:40	47.4	↑3.9
2/7 00:50	51.4	↑4.0
2/7 01:00	55.4	↑4.0
2/7 01:10	59.4	↑4.0
2/7 01:20	63.3	↑3.9
2/7 01:30	67.3	↑4.0
2/7 01:40	71.2	↑3.9
2/7 01:50	75.0	↑3.8
2/7 02:00	78.8	↑3.8
2/7 02:10	82.4	↑3.6
2/7 02:20	85.9	↑3.5
2/7 02:30	89.2	↑3.3
2/7 02:40	92.3	↑3.1
2/7 02:50	95.3	↑3.0
2/7 03:00	98.1	↑2.8
2/7 03:10	100.6	↑2.5
2/7 03:20	102.9	↑2.3
2/7 03:30	105.0	↑2.1
2/7 03:40	106.8	↑1.8
2/7 03:50	108.4	↑1.6
2/7 04:00	109.7	↑1.3
2/7 04:10	110.7	↑1.0
2/7 04:20	111.5	↑0.8
2/7 04:30	112.0	↑0.5
2/7 04:40	112.2	↑0.2	満潮
2/7 04:50	112.2	0
2/7 05:00	111.9	↓-0.3
2/7 05:10	111.4	↓-0.5
2/7 05:20	110.7	↓-0.7
2/7 05:30	109.7	↓-1.0
2/7 05:40	108.5	↓-1.2
2/7 05:50	107.2	↓-1.3
2/7 06:00	105.7	↓-1.5
2/7 06:10	104.0	↓-1.7
2/7 06:20	102.1	↓-1.9
2/7 06:30	100.2	↓-1.9
2/7 06:40	98.2	↓-2.0
2/7 06:50	96.1	↓-2.1
2/7 07:00	93.9	↓-2.2
2/7 07:10	91.7	↓-2.2
2/7 07:20	89.5	↓-2.2
2/7 07:30	87.3	↓-2.2
2/7 07:40	85.2	↓-2.1
2/7 07:50	83.1	↓-2.1
2/7 08:00	81.1	↓-2.0
2/7 08:10	79.2	↓-1.9
2/7 08:20	77.4	↓-1.8
2/7 08:30	75.7	↓-1.7
2/7 08:40	74.2	↓-1.5
2/7 08:50	72.8	↓-1.4
2/7 09:00	71.6	↓-1.2
2/7 09:10	70.6	↓-1.0
2/7 09:20	69.8	↓-0.8
2/7 09:30	69.2	↓-0.6
2/7 09:40	68.8	↓-0.4
2/7 09:50	68.6	↓-0.2	干潮
2/7 10:00	68.6	0
2/7 10:10	68.8	↑0.2
2/7 10:20	69.2	↑0.4
2/7 10:30	69.8	↑0.6
2/7 10:40	70.6	↑0.8
2/7 10:50	71.6	↑1.0
2/7 11:00	72.8	↑1.2
2/7 11:10	74.1	↑1.3
2/7 11:20	75.6	↑1.5
2/7 11:30	77.2	↑1.6
2/7 11:40	79.0	↑1.8
2/7 11:50	80.9	↑1.9
2/7 12:00	82.9	↑2.0
2/7 12:10	84.9	↑2.0
2/7 12:20	87.1	↑2.2
2/7 12:30	89.2	↑2.1
2/7 12:40	91.4	↑2.2
2/7 12:50	93.6	↑2.2
2/7 13:00	95.8	↑2.2
2/7 13:10	98.0	↑2.2
2/7 13:20	100.1	↑2.1
2/7 13:30	102.1	↑2.0
2/7 13:40	104.1	↑2.0
2/7 13:50	105.9	↑1.8
2/7 14:00	107.6	↑1.7
2/7 14:10	109.2	↑1.6
2/7 14:20	110.6	↑1.4
2/7 14:30	111.8	↑1.2
2/7 14:40	112.9	↑1.1
2/7 14:50	113.7	↑0.8
2/7 15:00	114.3	↑0.6
2/7 15:10	114.7	↑0.4
2/7 15:20	114.8	↑0.1	満潮
2/7 15:30	114.7	↓-0.1
2/7 15:40	114.3	↓-0.4
2/7 15:50	113.6	↓-0.7
2/7 16:00	112.7	↓-0.9
2/7 16:10	111.5	↓-1.2
2/7 16:20	110.0	↓-1.5
2/7 16:30	108.3	↓-1.7
2/7 16:40	106.3	↓-2.0
2/7 16:50	104.0	↓-2.3
2/7 17:00	101.5	↓-2.5
2/7 17:10	98.7	↓-2.8
2/7 17:20	95.7	↓-3.0
2/7 17:30	92.5	↓-3.2
2/7 17:40	89.1	↓-3.4
2/7 17:50	85.5	↓-3.6
2/7 18:00	81.8	↓-3.7
2/7 18:10	77.9	↓-3.9
2/7 18:20	73.9	↓-4.0
2/7 18:30	69.8	↓-4.1
2/7 18:40	65.6	↓-4.2
2/7 18:50	61.4	↓-4.2
2/7 19:00	57.1	↓-4.3	最大潮位差
2/7 19:10	52.9	↓-4.2
2/7 19:20	48.7	↓-4.2
2/7 19:30	44.6	↓-4.1
2/7 19:40	40.5	↓-4.1
2/7 19:50	36.6	↓-3.9
2/7 20:00	32.8	↓-3.8
2/7 20:10	29.1	↓-3.7
2/7 20:20	25.7	↓-3.4
2/7 20:30	22.4	↓-3.3
2/7 20:40	19.4	↓-3.0
2/7 20:50	16.7	↓-2.7
2/7 21:00	14.1	↓-2.6
2/7 21:10	11.9	↓-2.2
2/7 21:20	10.0	↓-1.9
2/7 21:30	8.3	↓-1.7
2/7 21:40	7.0	↓-1.3
2/7 21:50	6.0	↓-1.0
2/7 22:00	5.3	↓-0.7
2/7 22:10	5.0	↓-0.3	干潮
2/7 22:20	5.0	0
2/7 22:30	5.3	↑0.3
2/7 22:40	5.9	↑0.6
2/7 22:50	6.8	↑0.9
2/7 23:00	8.1	↑1.3
2/7 23:10	9.7	↑1.6
2/7 23:20	11.5	↑1.8
2/7 23:30	13.6	↑2.1
2/7 23:40	16.0	↑2.4
2/7 23:50	18.7	↑2.7