1 (水)	06:13	11:49	17:39	-
	131cm	68cm	128cm	-
中潮 出 05:33 入 17:23 出 19:43 入 08:34

那珂湊（茨城）2053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	36.6	↑0.7
10/1 00:10	37.6	↑1.0
10/1 00:20	38.9	↑1.3
10/1 00:30	40.5	↑1.6
10/1 00:40	42.4	↑1.9
10/1 00:50	44.5	↑2.1
10/1 01:00	46.9	↑2.4
10/1 01:10	49.4	↑2.5
10/1 01:20	52.2	↑2.8
10/1 01:30	55.2	↑3.0
10/1 01:40	58.3	↑3.1
10/1 01:50	61.6	↑3.3
10/1 02:00	65.0	↑3.4
10/1 02:10	68.5	↑3.5
10/1 02:20	72.1	↑3.6
10/1 02:30	75.8	↑3.7
10/1 02:40	79.5	↑3.7
10/1 02:50	83.2	↑3.7
10/1 03:00	86.9	↑3.7
10/1 03:10	90.5	↑3.6
10/1 03:20	94.2	↑3.7
10/1 03:30	97.7	↑3.5
10/1 03:40	101.2	↑3.5
10/1 03:50	104.5	↑3.3
10/1 04:00	107.8	↑3.3
10/1 04:10	110.8	↑3.0
10/1 04:20	113.7	↑2.9
10/1 04:30	116.4	↑2.7
10/1 04:40	119.0	↑2.6
10/1 04:50	121.3	↑2.3
10/1 05:00	123.3	↑2.0
10/1 05:10	125.2	↑1.9
10/1 05:20	126.7	↑1.5
10/1 05:30	128.1	↑1.4
10/1 05:40	129.1	↑1.0
10/1 05:50	129.9	↑0.8
10/1 06:00	130.3	↑0.4
10/1 06:10	130.5	↑0.2	満潮
10/1 06:20	130.4	↓-0.1
10/1 06:30	130.1	↓-0.3
10/1 06:40	129.4	↓-0.7
10/1 06:50	128.5	↓-0.9
10/1 07:00	127.3	↓-1.2
10/1 07:10	125.9	↓-1.4
10/1 07:20	124.2	↓-1.7
10/1 07:30	122.3	↓-1.9
10/1 07:40	120.2	↓-2.1
10/1 07:50	117.9	↓-2.3
10/1 08:00	115.5	↓-2.4
10/1 08:10	112.9	↓-2.6
10/1 08:20	110.1	↓-2.8
10/1 08:30	107.3	↓-2.8
10/1 08:40	104.4	↓-2.9
10/1 08:50	101.5	↓-2.9
10/1 09:00	98.6	↓-2.9
10/1 09:10	95.6	↓-3.0
10/1 09:20	92.7	↓-2.9
10/1 09:30	89.9	↓-2.8
10/1 09:40	87.1	↓-2.8
10/1 09:50	84.5	↓-2.6
10/1 10:00	82.0	↓-2.5
10/1 10:10	79.6	↓-2.4
10/1 10:20	77.4	↓-2.2
10/1 10:30	75.5	↓-1.9
10/1 10:40	73.7	↓-1.8
10/1 10:50	72.1	↓-1.6
10/1 11:00	70.8	↓-1.3
10/1 11:10	69.7	↓-1.1
10/1 11:20	68.8	↓-0.9
10/1 11:30	68.3	↓-0.5
10/1 11:40	67.9	↓-0.4	干潮
10/1 11:50	67.8	↓-0.1
10/1 12:00	68.0	↑0.2
10/1 12:10	68.4	↑0.4
10/1 12:20	69.1	↑0.7
10/1 12:30	70.0	↑0.9
10/1 12:40	71.1	↑1.1
10/1 12:50	72.5	↑1.4
10/1 13:00	74.0	↑1.5
10/1 13:10	75.7	↑1.7
10/1 13:20	77.6	↑1.9
10/1 13:30	79.7	↑2.1
10/1 13:40	81.9	↑2.2
10/1 13:50	84.2	↑2.3
10/1 14:00	86.6	↑2.4
10/1 14:10	89.1	↑2.5
10/1 14:20	91.7	↑2.6
10/1 14:30	94.3	↑2.6
10/1 14:40	96.9	↑2.6
10/1 14:50	99.6	↑2.7
10/1 15:00	102.2	↑2.6
10/1 15:10	104.8	↑2.6
10/1 15:20	107.3	↑2.5
10/1 15:30	109.8	↑2.5
10/1 15:40	112.2	↑2.4
10/1 15:50	114.4	↑2.2
10/1 16:00	116.6	↑2.2
10/1 16:10	118.6	↑2.0
10/1 16:20	120.4	↑1.8
10/1 16:30	122.1	↑1.7
10/1 16:40	123.6	↑1.5
10/1 16:50	124.8	↑1.2
10/1 17:00	125.9	↑1.1
10/1 17:10	126.7	↑0.8
10/1 17:20	127.3	↑0.6
10/1 17:30	127.7	↑0.4	満潮
10/1 17:40	127.7	0
10/1 17:50	127.6	↓-0.1
10/1 18:00	127.1	↓-0.5
10/1 18:10	126.4	↓-0.7
10/1 18:20	125.4	↓-1.0
10/1 18:30	124.1	↓-1.3
10/1 18:40	122.6	↓-1.5
10/1 18:50	120.8	↓-1.8
10/1 19:00	118.7	↓-2.1
10/1 19:10	116.4	↓-2.3
10/1 19:20	113.8	↓-2.6
10/1 19:30	111.0	↓-2.8
10/1 19:40	108.0	↓-3.0
10/1 19:50	104.9	↓-3.1
10/1 20:00	101.5	↓-3.4
10/1 20:10	98.0	↓-3.5
10/1 20:20	94.4	↓-3.6
10/1 20:30	90.6	↓-3.8
10/1 20:40	86.8	↓-3.8
10/1 20:50	83.0	↓-3.8
10/1 21:00	79.1	↓-3.9	最大潮位差
10/1 21:10	75.2	↓-3.9	最大潮位差
10/1 21:20	71.3	↓-3.9	最大潮位差
10/1 21:30	67.5	↓-3.8
10/1 21:40	63.8	↓-3.7
10/1 21:50	60.1	↓-3.7
10/1 22:00	56.7	↓-3.4
10/1 22:10	53.3	↓-3.4
10/1 22:20	50.2	↓-3.1
10/1 22:30	47.3	↓-2.9
10/1 22:40	44.6	↓-2.7
10/1 22:50	42.1	↓-2.5
10/1 23:00	39.9	↓-2.2
10/1 23:10	38.0	↓-1.9
10/1 23:20	36.3	↓-1.7
10/1 23:30	35.0	↓-1.3
10/1 23:40	33.9	↓-1.1
10/1 23:50	33.1	↓-0.8