1 (水)	05:08	11:06	16:55	23:15
	143cm	57cm	130cm	28cm
中潮 出 05:33 入 17:23 出 18:27 入 07:20

那珂湊（茨城）2042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	48.2	↑2.5
10/1 00:10	51.1	↑2.9
10/1 00:20	54.1	↑3.0
10/1 00:30	57.4	↑3.3
10/1 00:40	60.9	↑3.5
10/1 00:50	64.5	↑3.6
10/1 01:00	68.4	↑3.9
10/1 01:10	72.3	↑3.9
10/1 01:20	76.4	↑4.1
10/1 01:30	80.5	↑4.1
10/1 01:40	84.7	↑4.2
10/1 01:50	88.9	↑4.2
10/1 02:00	93.1	↑4.2
10/1 02:10	97.3	↑4.2
10/1 02:20	101.5	↑4.2
10/1 02:30	105.5	↑4.0
10/1 02:40	109.5	↑4.0
10/1 02:50	113.3	↑3.8
10/1 03:00	117.0	↑3.7
10/1 03:10	120.5	↑3.5
10/1 03:20	123.8	↑3.3
10/1 03:30	126.9	↑3.1
10/1 03:40	129.8	↑2.9
10/1 03:50	132.4	↑2.6
10/1 04:00	134.7	↑2.3
10/1 04:10	136.7	↑2.0
10/1 04:20	138.4	↑1.7
10/1 04:30	139.8	↑1.4
10/1 04:40	140.9	↑1.1
10/1 04:50	141.7	↑0.8
10/1 05:00	142.1	↑0.4	満潮
10/1 05:10	142.1	0
10/1 05:20	141.9	↓-0.2
10/1 05:30	141.3	↓-0.6
10/1 05:40	140.3	↓-1.0
10/1 05:50	139.1	↓-1.2
10/1 06:00	137.5	↓-1.6
10/1 06:10	135.6	↓-1.9
10/1 06:20	133.4	↓-2.2
10/1 06:30	131.0	↓-2.4
10/1 06:40	128.3	↓-2.7
10/1 06:50	125.4	↓-2.9
10/1 07:00	122.3	↓-3.1
10/1 07:10	119.0	↓-3.3
10/1 07:20	115.5	↓-3.5
10/1 07:30	112.0	↓-3.5
10/1 07:40	108.3	↓-3.7
10/1 07:50	104.5	↓-3.8
10/1 08:00	100.8	↓-3.7
10/1 08:10	97.0	↓-3.8
10/1 08:20	93.2	↓-3.8
10/1 08:30	89.5	↓-3.7
10/1 08:40	85.8	↓-3.7
10/1 08:50	82.3	↓-3.5
10/1 09:00	78.9	↓-3.4
10/1 09:10	75.7	↓-3.2
10/1 09:20	72.7	↓-3.0
10/1 09:30	69.8	↓-2.9
10/1 09:40	67.2	↓-2.6
10/1 09:50	64.9	↓-2.3
10/1 10:00	62.8	↓-2.1
10/1 10:10	61.0	↓-1.8
10/1 10:20	59.4	↓-1.6
10/1 10:30	58.2	↓-1.2
10/1 10:40	57.3	↓-0.9
10/1 10:50	56.6	↓-0.7
10/1 11:00	56.3	↓-0.3	干潮
10/1 11:10	56.3	0
10/1 11:20	56.6	↑0.3
10/1 11:30	57.2	↑0.6
10/1 11:40	58.1	↑0.9
10/1 11:50	59.3	↑1.2
10/1 12:00	60.7	↑1.4
10/1 12:10	62.4	↑1.7
10/1 12:20	64.4	↑2.0
10/1 12:30	66.5	↑2.1
10/1 12:40	68.9	↑2.4
10/1 12:50	71.4	↑2.5
10/1 13:00	74.2	↑2.8
10/1 13:10	77.0	↑2.8
10/1 13:20	80.0	↑3.0
10/1 13:30	83.1	↑3.1
10/1 13:40	86.2	↑3.1
10/1 13:50	89.5	↑3.3
10/1 14:00	92.7	↑3.2
10/1 14:10	95.9	↑3.2
10/1 14:20	99.1	↑3.2
10/1 14:30	102.3	↑3.2
10/1 14:40	105.4	↑3.1
10/1 14:50	108.4	↑3.0
10/1 15:00	111.3	↑2.9
10/1 15:10	114.0	↑2.7
10/1 15:20	116.6	↑2.6
10/1 15:30	119.0	↑2.4
10/1 15:40	121.2	↑2.2
10/1 15:50	123.1	↑1.9
10/1 16:00	124.9	↑1.8
10/1 16:10	126.3	↑1.4
10/1 16:20	127.5	↑1.2
10/1 16:30	128.4	↑0.9
10/1 16:40	129.0	↑0.6
10/1 16:50	129.3	↑0.3	満潮
10/1 17:00	129.3	0
10/1 17:10	128.9	↓-0.4
10/1 17:20	128.3	↓-0.6
10/1 17:30	127.3	↓-1.0
10/1 17:40	126.0	↓-1.3
10/1 17:50	124.4	↓-1.6
10/1 18:00	122.4	↓-2.0
10/1 18:10	120.2	↓-2.2
10/1 18:20	117.7	↓-2.5
10/1 18:30	114.9	↓-2.8
10/1 18:40	111.9	↓-3.0
10/1 18:50	108.6	↓-3.3
10/1 19:00	105.1	↓-3.5
10/1 19:10	101.4	↓-3.7
10/1 19:20	97.5	↓-3.9
10/1 19:30	93.5	↓-4.0
10/1 19:40	89.4	↓-4.1
10/1 19:50	85.2	↓-4.2
10/1 20:00	81.0	↓-4.2
10/1 20:10	76.7	↓-4.3	最大潮位差
10/1 20:20	72.5	↓-4.2
10/1 20:30	68.2	↓-4.3	最大潮位差
10/1 20:40	64.1	↓-4.1
10/1 20:50	60.0	↓-4.1
10/1 21:00	56.1	↓-3.9
10/1 21:10	52.3	↓-3.8
10/1 21:20	48.7	↓-3.6
10/1 21:30	45.4	↓-3.3
10/1 21:40	42.2	↓-3.2
10/1 21:50	39.3	↓-2.9
10/1 22:00	36.7	↓-2.6
10/1 22:10	34.4	↓-2.3
10/1 22:20	32.4	↓-2.0
10/1 22:30	30.8	↓-1.6
10/1 22:40	29.4	↓-1.4
10/1 22:50	28.4	↓-1.0
10/1 23:00	27.8	↓-0.6
10/1 23:10	27.5	↓-0.3	干潮
10/1 23:20	27.5	0
10/1 23:30	27.9	↑0.4
10/1 23:40	28.7	↑0.8
10/1 23:50	29.7	↑1.0