1 (月)	05:40	11:32	17:24	23:44
	136cm	61cm	127cm	34cm
中潮 出 05:33 入 17:23 出 07:58 入 19:08

那珂湊（茨城）2057年10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
10/1 00:00	44.3	↑1.4
10/1 00:10	46.1	↑1.8
10/1 00:20	48.1	↑2.0
10/1 00:30	50.4	↑2.3
10/1 00:40	52.9	↑2.5
10/1 00:50	55.6	↑2.7
10/1 01:00	58.6	↑3.0
10/1 01:10	61.7	↑3.1
10/1 01:20	65.0	↑3.3
10/1 01:30	68.4	↑3.4
10/1 01:40	71.9	↑3.5
10/1 01:50	75.6	↑3.7
10/1 02:00	79.3	↑3.7
10/1 02:10	83.0	↑3.7
10/1 02:20	86.8	↑3.8
10/1 02:30	90.6	↑3.8
10/1 02:40	94.4	↑3.8
10/1 02:50	98.1	↑3.7
10/1 03:00	101.7	↑3.6
10/1 03:10	105.3	↑3.6
10/1 03:20	108.7	↑3.4
10/1 03:30	112.1	↑3.4
10/1 03:40	115.2	↑3.1
10/1 03:50	118.2	↑3.0
10/1 04:00	121.0	↑2.8
10/1 04:10	123.6	↑2.6
10/1 04:20	126.0	↑2.4
10/1 04:30	128.1	↑2.1
10/1 04:40	130.0	↑1.9
10/1 04:50	131.6	↑1.6
10/1 05:00	132.9	↑1.3
10/1 05:10	133.9	↑1.0
10/1 05:20	134.6	↑0.7
10/1 05:30	135.1	↑0.5	満潮
10/1 05:40	135.2	↑0.1	満潮
10/1 05:50	135.0	↓-0.2
10/1 06:00	134.5	↓-0.5
10/1 06:10	133.7	↓-0.8
10/1 06:20	132.7	↓-1.0
10/1 06:30	131.3	↓-1.4
10/1 06:40	129.7	↓-1.6
10/1 06:50	127.8	↓-1.9
10/1 07:00	125.6	↓-2.2
10/1 07:10	123.3	↓-2.3
10/1 07:20	120.7	↓-2.6
10/1 07:30	117.9	↓-2.8
10/1 07:40	115.0	↓-2.9
10/1 07:50	111.9	↓-3.1
10/1 08:00	108.7	↓-3.2
10/1 08:10	105.4	↓-3.3
10/1 08:20	102.1	↓-3.3
10/1 08:30	98.7	↓-3.4
10/1 08:40	95.3	↓-3.4
10/1 08:50	92.0	↓-3.3
10/1 09:00	88.7	↓-3.3
10/1 09:10	85.4	↓-3.3
10/1 09:20	82.3	↓-3.1
10/1 09:30	79.3	↓-3.0
10/1 09:40	76.4	↓-2.9
10/1 09:50	73.8	↓-2.6
10/1 10:00	71.3	↓-2.5
10/1 10:10	69.0	↓-2.3
10/1 10:20	67.0	↓-2.0
10/1 10:30	65.2	↓-1.8
10/1 10:40	63.6	↓-1.6
10/1 10:50	62.4	↓-1.2
10/1 11:00	61.4	↓-1.0
10/1 11:10	60.6	↓-0.8
10/1 11:20	60.2	↓-0.4
10/1 11:30	60.0	↓-0.2	干潮
10/1 11:40	60.1	↑0.1
10/1 11:50	60.5	↑0.4
10/1 12:00	61.2	↑0.7
10/1 12:10	62.1	↑0.9
10/1 12:20	63.3	↑1.2
10/1 12:30	64.7	↑1.4
10/1 12:40	66.4	↑1.7
10/1 12:50	68.2	↑1.8
10/1 13:00	70.3	↑2.1
10/1 13:10	72.5	↑2.2
10/1 13:20	74.9	↑2.4
10/1 13:30	77.4	↑2.5
10/1 13:40	80.0	↑2.6
10/1 13:50	82.8	↑2.8
10/1 14:00	85.6	↑2.8
10/1 14:10	88.5	↑2.9
10/1 14:20	91.4	↑2.9
10/1 14:30	94.3	↑2.9
10/1 14:40	97.2	↑2.9
10/1 14:50	100.1	↑2.9
10/1 15:00	102.9	↑2.8
10/1 15:10	105.7	↑2.8
10/1 15:20	108.4	↑2.7
10/1 15:30	111.0	↑2.6
10/1 15:40	113.4	↑2.4
10/1 15:50	115.7	↑2.3
10/1 16:00	117.8	↑2.1
10/1 16:10	119.7	↑1.9
10/1 16:20	121.5	↑1.8
10/1 16:30	123.0	↑1.5
10/1 16:40	124.3	↑1.3
10/1 16:50	125.3	↑1.0
10/1 17:00	126.1	↑0.8
10/1 17:10	126.6	↑0.5
10/1 17:20	126.8	↑0.2	満潮
10/1 17:30	126.8	0
10/1 17:40	126.4	↓-0.4
10/1 17:50	125.8	↓-0.6
10/1 18:00	124.9	↓-0.9
10/1 18:10	123.7	↓-1.2
10/1 18:20	122.2	↓-1.5
10/1 18:30	120.5	↓-1.7
10/1 18:40	118.4	↓-2.1
10/1 18:50	116.1	↓-2.3
10/1 19:00	113.6	↓-2.5
10/1 19:10	110.8	↓-2.8
10/1 19:20	107.8	↓-3.0
10/1 19:30	104.6	↓-3.2
10/1 19:40	101.2	↓-3.4
10/1 19:50	97.7	↓-3.5
10/1 20:00	94.1	↓-3.6
10/1 20:10	90.3	↓-3.8
10/1 20:20	86.5	↓-3.8
10/1 20:30	82.6	↓-3.9	最大潮位差
10/1 20:40	78.7	↓-3.9	最大潮位差
10/1 20:50	74.8	↓-3.9	最大潮位差
10/1 21:00	70.9	↓-3.9	最大潮位差
10/1 21:10	67.1	↓-3.8
10/1 21:20	63.4	↓-3.7
10/1 21:30	59.8	↓-3.6
10/1 21:40	56.3	↓-3.5
10/1 21:50	53.1	↓-3.2
10/1 22:00	50.0	↓-3.1
10/1 22:10	47.1	↓-2.9
10/1 22:20	44.5	↓-2.6
10/1 22:30	42.1	↓-2.4
10/1 22:40	40.0	↓-2.1
10/1 22:50	38.2	↓-1.8
10/1 23:00	36.7	↓-1.5
10/1 23:10	35.4	↓-1.3
10/1 23:20	34.5	↓-0.9
10/1 23:30	34.0	↓-0.5
10/1 23:40	33.7	↓-0.3	干潮
10/1 23:50	33.7	0