1 (木)	03:07	07:38	12:49	20:29
	105cm	85cm	116cm	1cm
中潮 出 06:39 入 17:05 出 04:08 入 14:07

那珂湊（茨城）2057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	74.5	↑3.1
2/1 00:10	77.4	↑2.9
2/1 00:20	80.3	↑2.9
2/1 00:30	83.1	↑2.8
2/1 00:40	85.7	↑2.6
2/1 00:50	88.1	↑2.4
2/1 01:00	90.5	↑2.4
2/1 01:10	92.6	↑2.1
2/1 01:20	94.6	↑2.0
2/1 01:30	96.4	↑1.8
2/1 01:40	98.0	↑1.6
2/1 01:50	99.4	↑1.4
2/1 02:00	100.7	↑1.3
2/1 02:10	101.7	↑1.0
2/1 02:20	102.6	↑0.9
2/1 02:30	103.3	↑0.7
2/1 02:40	103.8	↑0.5
2/1 02:50	104.2	↑0.4
2/1 03:00	104.4	↑0.2	満潮
2/1 03:10	104.4	0
2/1 03:20	104.3	↓-0.1
2/1 03:30	104.0	↓-0.3
2/1 03:40	103.6	↓-0.4
2/1 03:50	103.0	↓-0.6
2/1 04:00	102.4	↓-0.6
2/1 04:10	101.6	↓-0.8
2/1 04:20	100.7	↓-0.9
2/1 04:30	99.8	↓-0.9
2/1 04:40	98.8	↓-1.0
2/1 04:50	97.8	↓-1.0
2/1 05:00	96.7	↓-1.1
2/1 05:10	95.6	↓-1.1
2/1 05:20	94.4	↓-1.2
2/1 05:30	93.3	↓-1.1
2/1 05:40	92.2	↓-1.1
2/1 05:50	91.1	↓-1.1
2/1 06:00	90.1	↓-1.0
2/1 06:10	89.1	↓-1.0
2/1 06:20	88.2	↓-0.9
2/1 06:30	87.4	↓-0.8
2/1 06:40	86.6	↓-0.8
2/1 06:50	86.0	↓-0.6
2/1 07:00	85.4	↓-0.6
2/1 07:10	85.0	↓-0.4
2/1 07:20	84.7	↓-0.3
2/1 07:30	84.6	↓-0.1	干潮
2/1 07:40	84.5	↓-0.1
2/1 07:50	84.6	↑0.1
2/1 08:00	84.9	↑0.3
2/1 08:10	85.2	↑0.3
2/1 08:20	85.8	↑0.6
2/1 08:30	86.4	↑0.6
2/1 08:40	87.2	↑0.8
2/1 08:50	88.1	↑0.9
2/1 09:00	89.1	↑1.0
2/1 09:10	90.3	↑1.2
2/1 09:20	91.5	↑1.2
2/1 09:30	92.8	↑1.3
2/1 09:40	94.2	↑1.4
2/1 09:50	95.7	↑1.5
2/1 10:00	97.2	↑1.5
2/1 10:10	98.7	↑1.5
2/1 10:20	100.3	↑1.6
2/1 10:30	101.9	↑1.6
2/1 10:40	103.5	↑1.6
2/1 10:50	105.0	↑1.5
2/1 11:00	106.5	↑1.5
2/1 11:10	107.9	↑1.4
2/1 11:20	109.3	↑1.4
2/1 11:30	110.6	↑1.3
2/1 11:40	111.8	↑1.2
2/1 11:50	112.8	↑1.0
2/1 12:00	113.7	↑0.9
2/1 12:10	114.5	↑0.8
2/1 12:20	115.1	↑0.6
2/1 12:30	115.5	↑0.4
2/1 12:40	115.8	↑0.3	満潮
2/1 12:50	115.8	0
2/1 13:00	115.7	↓-0.1
2/1 13:10	115.3	↓-0.4
2/1 13:20	114.7	↓-0.6
2/1 13:30	114.0	↓-0.7
2/1 13:40	112.9	↓-1.1
2/1 13:50	111.7	↓-1.2
2/1 14:00	110.2	↓-1.5
2/1 14:10	108.5	↓-1.7
2/1 14:20	106.6	↓-1.9
2/1 14:30	104.5	↓-2.1
2/1 14:40	102.1	↓-2.4
2/1 14:50	99.6	↓-2.5
2/1 15:00	96.8	↓-2.8
2/1 15:10	93.9	↓-2.9
2/1 15:20	90.8	↓-3.1
2/1 15:30	87.5	↓-3.3
2/1 15:40	84.1	↓-3.4
2/1 15:50	80.5	↓-3.6
2/1 16:00	76.9	↓-3.6
2/1 16:10	73.1	↓-3.8
2/1 16:20	69.2	↓-3.9
2/1 16:30	65.2	↓-4.0	最大潮位差
2/1 16:40	61.2	↓-4.0	最大潮位差
2/1 16:50	57.2	↓-4.0	最大潮位差
2/1 17:00	53.2	↓-4.0	最大潮位差
2/1 17:10	49.2	↓-4.0	最大潮位差
2/1 17:20	45.2	↓-4.0	最大潮位差
2/1 17:30	41.2	↓-4.0	最大潮位差
2/1 17:40	37.3	↓-3.9
2/1 17:50	33.5	↓-3.8
2/1 18:00	29.9	↓-3.6
2/1 18:10	26.3	↓-3.6
2/1 18:20	23.0	↓-3.3
2/1 18:30	19.7	↓-3.3
2/1 18:40	16.7	↓-3.0
2/1 18:50	13.9	↓-2.8
2/1 19:00	11.3	↓-2.6
2/1 19:10	9.0	↓-2.3
2/1 19:20	6.9	↓-2.1
2/1 19:30	5.0	↓-1.9
2/1 19:40	3.5	↓-1.5
2/1 19:50	2.2	↓-1.3
2/1 20:00	1.2	↓-1.0
2/1 20:10	0.5	↓-0.7
2/1 20:20	0.1	↓-0.4	干潮
2/1 20:30	0.0	↓-0.1
2/1 20:40	0.3	0
2/1 20:50	0.8	↑0.5
2/1 21:00	1.6	↑0.8
2/1 21:10	2.7	↑1.1
2/1 21:20	4.1	↑1.4
2/1 21:30	5.8	↑1.7
2/1 21:40	7.8	↑2.0
2/1 21:50	10.0	↑2.2
2/1 22:00	12.4	↑2.4
2/1 22:10	15.1	↑2.7
2/1 22:20	18.0	↑2.9
2/1 22:30	21.1	↑3.1
2/1 22:40	24.4	↑3.3
2/1 22:50	27.8	↑3.4
2/1 23:00	31.4	↑3.6
2/1 23:10	35.0	↑3.6
2/1 23:20	38.8	↑3.8
2/1 23:30	42.7	↑3.9
2/1 23:40	46.6	↑3.9
2/1 23:50	50.6	↑4.0	最大潮位差