1 (日)	05:04	11:04	16:56	23:14
	142cm	55cm	131cm	30cm
大潮 出 05:33 入 17:24 出 18:28 入 07:16

那珂湊（茨城）2023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	49.8	↑2.5
10/1 00:10	52.6	↑2.8
10/1 00:20	55.6	↑3.0
10/1 00:30	58.9	↑3.3
10/1 00:40	62.3	↑3.4
10/1 00:50	66.0	↑3.7
10/1 01:00	69.7	↑3.7
10/1 01:10	73.6	↑3.9
10/1 01:20	77.6	↑4.0
10/1 01:30	81.7	↑4.1
10/1 01:40	85.9	↑4.2	最大潮位差
10/1 01:50	90.0	↑4.1
10/1 02:00	94.2	↑4.2	最大潮位差
10/1 02:10	98.3	↑4.1
10/1 02:20	102.4	↑4.1
10/1 02:30	106.4	↑4.0
10/1 02:40	110.3	↑3.9
10/1 02:50	114.0	↑3.7
10/1 03:00	117.6	↑3.6
10/1 03:10	121.0	↑3.4
10/1 03:20	124.3	↑3.3
10/1 03:30	127.2	↑2.9
10/1 03:40	130.0	↑2.8
10/1 03:50	132.5	↑2.5
10/1 04:00	134.7	↑2.2
10/1 04:10	136.6	↑1.9
10/1 04:20	138.2	↑1.6
10/1 04:30	139.5	↑1.3
10/1 04:40	140.4	↑0.9
10/1 04:50	141.1	↑0.7
10/1 05:00	141.3	↑0.2	満潮
10/1 05:10	141.3	0
10/1 05:20	140.9	↓-0.4
10/1 05:30	140.1	↓-0.8
10/1 05:40	139.1	↓-1.0
10/1 05:50	137.7	↓-1.4
10/1 06:00	136.0	↓-1.7
10/1 06:10	134.0	↓-2.0
10/1 06:20	131.7	↓-2.3
10/1 06:30	129.2	↓-2.5
10/1 06:40	126.4	↓-2.8
10/1 06:50	123.4	↓-3.0
10/1 07:00	120.2	↓-3.2
10/1 07:10	116.8	↓-3.4
10/1 07:20	113.3	↓-3.5
10/1 07:30	109.7	↓-3.6
10/1 07:40	105.9	↓-3.8
10/1 07:50	102.2	↓-3.7
10/1 08:00	98.3	↓-3.9
10/1 08:10	94.5	↓-3.8
10/1 08:20	90.8	↓-3.7
10/1 08:30	87.0	↓-3.8
10/1 08:40	83.4	↓-3.6
10/1 08:50	79.9	↓-3.5
10/1 09:00	76.5	↓-3.4
10/1 09:10	73.3	↓-3.2
10/1 09:20	70.3	↓-3.0
10/1 09:30	67.6	↓-2.7
10/1 09:40	65.0	↓-2.6
10/1 09:50	62.7	↓-2.3
10/1 10:00	60.7	↓-2.0
10/1 10:10	58.9	↓-1.8
10/1 10:20	57.4	↓-1.5
10/1 10:30	56.3	↓-1.1
10/1 10:40	55.4	↓-0.9
10/1 10:50	54.9	↓-0.5
10/1 11:00	54.6	↓-0.3	干潮
10/1 11:10	54.7	↑0.1
10/1 11:20	55.1	↑0.4
10/1 11:30	55.8	↑0.7
10/1 11:40	56.7	↑0.9
10/1 11:50	58.0	↑1.3
10/1 12:00	59.5	↑1.5
10/1 12:10	61.3	↑1.8
10/1 12:20	63.3	↑2.0
10/1 12:30	65.5	↑2.2
10/1 12:40	68.0	↑2.5
10/1 12:50	70.6	↑2.6
10/1 13:00	73.4	↑2.8
10/1 13:10	76.4	↑3.0
10/1 13:20	79.4	↑3.0
10/1 13:30	82.6	↑3.2
10/1 13:40	85.9	↑3.3
10/1 13:50	89.2	↑3.3
10/1 14:00	92.5	↑3.3
10/1 14:10	95.8	↑3.3
10/1 14:20	99.1	↑3.3
10/1 14:30	102.4	↑3.3
10/1 14:40	105.5	↑3.1
10/1 14:50	108.6	↑3.1
10/1 15:00	111.6	↑3.0
10/1 15:10	114.4	↑2.8
10/1 15:20	117.1	↑2.7
10/1 15:30	119.5	↑2.4
10/1 15:40	121.8	↑2.3
10/1 15:50	123.8	↑2.0
10/1 16:00	125.6	↑1.8
10/1 16:10	127.1	↑1.5
10/1 16:20	128.3	↑1.2
10/1 16:30	129.3	↑1.0
10/1 16:40	129.9	↑0.6
10/1 16:50	130.2	↑0.3	満潮
10/1 17:00	130.2	0
10/1 17:10	129.9	↓-0.3
10/1 17:20	129.3	↓-0.6
10/1 17:30	128.3	↓-1.0
10/1 17:40	127.0	↓-1.3
10/1 17:50	125.4	↓-1.6
10/1 18:00	123.5	↓-1.9
10/1 18:10	121.3	↓-2.2
10/1 18:20	118.8	↓-2.5
10/1 18:30	116.0	↓-2.8
10/1 18:40	113.0	↓-3.0
10/1 18:50	109.7	↓-3.3
10/1 19:00	106.2	↓-3.5
10/1 19:10	102.6	↓-3.6
10/1 19:20	98.7	↓-3.9
10/1 19:30	94.8	↓-3.9
10/1 19:40	90.7	↓-4.1
10/1 19:50	86.5	↓-4.2	最大潮位差
10/1 20:00	82.3	↓-4.2	最大潮位差
10/1 20:10	78.1	↓-4.2	最大潮位差
10/1 20:20	73.9	↓-4.2	最大潮位差
10/1 20:30	69.7	↓-4.2	最大潮位差
10/1 20:40	65.6	↓-4.1
10/1 20:50	61.6	↓-4.0
10/1 21:00	57.7	↓-3.9
10/1 21:10	54.0	↓-3.7
10/1 21:20	50.5	↓-3.5
10/1 21:30	47.2	↓-3.3
10/1 21:40	44.1	↓-3.1
10/1 21:50	41.3	↓-2.8
10/1 22:00	38.7	↓-2.6
10/1 22:10	36.5	↓-2.2
10/1 22:20	34.5	↓-2.0
10/1 22:30	32.9	↓-1.6
10/1 22:40	31.6	↓-1.3
10/1 22:50	30.6	↓-1.0
10/1 23:00	30.0	↓-0.6
10/1 23:10	29.7	↓-0.3	干潮
10/1 23:20	29.8	↑0.1
10/1 23:30	30.2	↑0.4
10/1 23:40	31.0	↑0.8
10/1 23:50	32.1	↑1.1