11 (火)	06:03	11:35	17:17	23:57
	136cm	71cm	132cm	21cm
中潮 出 05:42 入 17:09 出 19:25 入 08:31

那珂湊（茨城）2033年10月11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
10/11 00:00	25.7	↑1.4
10/11 00:10	27.4	↑1.7
10/11 00:20	29.5	↑2.1
10/11 00:30	31.8	↑2.3
10/11 00:40	34.4	↑2.6
10/11 00:50	37.3	↑2.9
10/11 01:00	40.4	↑3.1
10/11 01:10	43.8	↑3.4
10/11 01:20	47.3	↑3.5
10/11 01:30	51.1	↑3.8
10/11 01:40	55.0	↑3.9
10/11 01:50	59.0	↑4.0
10/11 02:00	63.2	↑4.2
10/11 02:10	67.4	↑4.2
10/11 02:20	71.7	↑4.3
10/11 02:30	76.1	↑4.4
10/11 02:40	80.4	↑4.3
10/11 02:50	84.8	↑4.4
10/11 03:00	89.1	↑4.3
10/11 03:10	93.3	↑4.2
10/11 03:20	97.5	↑4.2
10/11 03:30	101.5	↑4.0
10/11 03:40	105.4	↑3.9
10/11 03:50	109.2	↑3.8
10/11 04:00	112.8	↑3.6
10/11 04:10	116.2	↑3.4
10/11 04:20	119.3	↑3.1
10/11 04:30	122.2	↑2.9
10/11 04:40	124.9	↑2.7
10/11 04:50	127.3	↑2.4
10/11 05:00	129.4	↑2.1
10/11 05:10	131.2	↑1.8
10/11 05:20	132.7	↑1.5
10/11 05:30	133.9	↑1.2
10/11 05:40	134.7	↑0.8
10/11 05:50	135.3	↑0.6
10/11 06:00	135.5	↑0.2	満潮
10/11 06:10	135.4	↓-0.1
10/11 06:20	135.0	↓-0.4
10/11 06:30	134.3	↓-0.7
10/11 06:40	133.3	↓-1.0
10/11 06:50	132.0	↓-1.3
10/11 07:00	130.4	↓-1.6
10/11 07:10	128.6	↓-1.8
10/11 07:20	126.5	↓-2.1
10/11 07:30	124.2	↓-2.3
10/11 07:40	121.7	↓-2.5
10/11 07:50	119.1	↓-2.6
10/11 08:00	116.3	↓-2.8
10/11 08:10	113.4	↓-2.9
10/11 08:20	110.4	↓-3.0
10/11 08:30	107.3	↓-3.1
10/11 08:40	104.3	↓-3.0
10/11 08:50	101.2	↓-3.1
10/11 09:00	98.1	↓-3.1
10/11 09:10	95.1	↓-3.0
10/11 09:20	92.1	↓-3.0
10/11 09:30	89.3	↓-2.8
10/11 09:40	86.6	↓-2.7
10/11 09:50	84.0	↓-2.6
10/11 10:00	81.6	↓-2.4
10/11 10:10	79.4	↓-2.2
10/11 10:20	77.4	↓-2.0
10/11 10:30	75.7	↓-1.7
10/11 10:40	74.1	↓-1.6
10/11 10:50	72.8	↓-1.3
10/11 11:00	71.8	↓-1.0
10/11 11:10	71.0	↓-0.8
10/11 11:20	70.5	↓-0.5
10/11 11:30	70.3	↓-0.2	干潮
10/11 11:40	70.3	0
10/11 11:50	70.6	↑0.3
10/11 12:00	71.1	↑0.5
10/11 12:10	71.9	↑0.8
10/11 12:20	72.9	↑1.0
10/11 12:30	74.2	↑1.3
10/11 12:40	75.6	↑1.4
10/11 12:50	77.3	↑1.7
10/11 13:00	79.2	↑1.9
10/11 13:10	81.3	↑2.1
10/11 13:20	83.5	↑2.2
10/11 13:30	85.8	↑2.3
10/11 13:40	88.3	↑2.5
10/11 13:50	90.8	↑2.5
10/11 14:00	93.5	↑2.7
10/11 14:10	96.2	↑2.7
10/11 14:20	99.0	↑2.8
10/11 14:30	101.7	↑2.7
10/11 14:40	104.5	↑2.8
10/11 14:50	107.2	↑2.7
10/11 15:00	109.9	↑2.7
10/11 15:10	112.6	↑2.7
10/11 15:20	115.1	↑2.5
10/11 15:30	117.5	↑2.4
10/11 15:40	119.8	↑2.3
10/11 15:50	122.0	↑2.2
10/11 16:00	124.0	↑2.0
10/11 16:10	125.8	↑1.8
10/11 16:20	127.4	↑1.6
10/11 16:30	128.7	↑1.3
10/11 16:40	129.8	↑1.1
10/11 16:50	130.7	↑0.9
10/11 17:00	131.3	↑0.6
10/11 17:10	131.6	↑0.3	満潮
10/11 17:20	131.7	↑0.1
10/11 17:30	131.4	↓-0.3
10/11 17:40	130.8	↓-0.6
10/11 17:50	130.0	↓-0.8
10/11 18:00	128.8	↓-1.2
10/11 18:10	127.3	↓-1.5
10/11 18:20	125.5	↓-1.8
10/11 18:30	123.4	↓-2.1
10/11 18:40	121.0	↓-2.4
10/11 18:50	118.4	↓-2.6
10/11 19:00	115.5	↓-2.9
10/11 19:10	112.3	↓-3.2
10/11 19:20	108.9	↓-3.4
10/11 19:30	105.2	↓-3.7
10/11 19:40	101.4	↓-3.8
10/11 19:50	97.4	↓-4.0
10/11 20:00	93.3	↓-4.1
10/11 20:10	89.0	↓-4.3
10/11 20:20	84.7	↓-4.3
10/11 20:30	80.3	↓-4.4
10/11 20:40	75.8	↓-4.5	最大潮位差
10/11 20:50	71.4	↓-4.4
10/11 21:00	67.0	↓-4.4
10/11 21:10	62.6	↓-4.4
10/11 21:20	58.4	↓-4.2
10/11 21:30	54.2	↓-4.2
10/11 21:40	50.2	↓-4.0
10/11 21:50	46.4	↓-3.8
10/11 22:00	42.7	↓-3.7
10/11 22:10	39.3	↓-3.4
10/11 22:20	36.1	↓-3.2
10/11 22:30	33.2	↓-2.9
10/11 22:40	30.6	↓-2.6
10/11 22:50	28.3	↓-2.3
10/11 23:00	26.2	↓-2.1
10/11 23:10	24.5	↓-1.7
10/11 23:20	23.1	↓-1.4
10/11 23:30	22.1	↓-1.0
10/11 23:40	21.3	↓-0.8
10/11 23:50	21.0	↓-0.3	干潮