31 (火)	02:46	10:15	17:33	21:23
	40cm	9cm	34cm	30cm
大潮 出 06:07 入 16:45 出 18:09 入 08:38

由良（山形）2023年10月31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
10/31 00:00	33.3	↑0.5
10/31 00:10	33.8	↑0.5
10/31 00:20	34.4	↑0.6
10/31 00:30	34.9	↑0.5
10/31 00:40	35.4	↑0.5
10/31 00:50	35.9	↑0.5
10/31 01:00	36.4	↑0.5
10/31 01:10	36.9	↑0.5
10/31 01:20	37.3	↑0.4
10/31 01:30	37.7	↑0.4
10/31 01:40	38.1	↑0.4
10/31 01:50	38.4	↑0.3
10/31 02:00	38.7	↑0.3
10/31 02:10	38.9	↑0.2
10/31 02:20	39.1	↑0.2
10/31 02:30	39.2	↑0.1
10/31 02:40	39.3	↑0.1	満潮
10/31 02:50	39.3	0
10/31 03:00	39.2	↓-0.1
10/31 03:10	39.1	↓-0.1
10/31 03:20	38.9	↓-0.2
10/31 03:30	38.6	↓-0.3
10/31 03:40	38.3	↓-0.3
10/31 03:50	37.9	↓-0.4
10/31 04:00	37.4	↓-0.5
10/31 04:10	36.9	↓-0.5
10/31 04:20	36.3	↓-0.6
10/31 04:30	35.7	↓-0.6
10/31 04:40	35.0	↓-0.7
10/31 04:50	34.2	↓-0.8
10/31 05:00	33.4	↓-0.8
10/31 05:10	32.5	↓-0.9
10/31 05:20	31.6	↓-0.9
10/31 05:30	30.6	↓-1.0
10/31 05:40	29.6	↓-1.0
10/31 05:50	28.6	↓-1.0
10/31 06:00	27.5	↓-1.1
10/31 06:10	26.4	↓-1.1
10/31 06:20	25.4	↓-1.0
10/31 06:30	24.2	↓-1.2	最大潮位差
10/31 06:40	23.1	↓-1.1
10/31 06:50	22.0	↓-1.1
10/31 07:00	20.9	↓-1.1
10/31 07:10	19.9	↓-1.0
10/31 07:20	18.8	↓-1.1
10/31 07:30	17.7	↓-1.1
10/31 07:40	16.7	↓-1.0
10/31 07:50	15.8	↓-0.9
10/31 08:00	14.8	↓-1.0
10/31 08:10	13.9	↓-0.9
10/31 08:20	13.1	↓-0.8
10/31 08:30	12.3	↓-0.8
10/31 08:40	11.6	↓-0.7
10/31 08:50	11.0	↓-0.6
10/31 09:00	10.4	↓-0.6
10/31 09:10	9.8	↓-0.6
10/31 09:20	9.4	↓-0.4
10/31 09:30	9.0	↓-0.4
10/31 09:40	8.7	↓-0.3
10/31 09:50	8.5	↓-0.2
10/31 10:00	8.4	↓-0.1
10/31 10:10	8.3	↓-0.1	干潮
10/31 10:20	8.3	0
10/31 10:30	8.4	↑0.1
10/31 10:40	8.6	↑0.2
10/31 10:50	8.8	↑0.2
10/31 11:00	9.1	↑0.3
10/31 11:10	9.5	↑0.4
10/31 11:20	9.9	↑0.4
10/31 11:30	10.4	↑0.5
10/31 11:40	11.0	↑0.6
10/31 11:50	11.6	↑0.6
10/31 12:00	12.3	↑0.7
10/31 12:10	13.0	↑0.7
10/31 12:20	13.8	↑0.8
10/31 12:30	14.6	↑0.8
10/31 12:40	15.5	↑0.9
10/31 12:50	16.3	↑0.8
10/31 13:00	17.2	↑0.9
10/31 13:10	18.1	↑0.9
10/31 13:20	19.0	↑0.9
10/31 13:30	20.0	↑1.0
10/31 13:40	20.9	↑0.9
10/31 13:50	21.8	↑0.9
10/31 14:00	22.7	↑0.9
10/31 14:10	23.6	↑0.9
10/31 14:20	24.5	↑0.9
10/31 14:30	25.3	↑0.8
10/31 14:40	26.1	↑0.8
10/31 14:50	26.9	↑0.8
10/31 15:00	27.7	↑0.8
10/31 15:10	28.4	↑0.7
10/31 15:20	29.1	↑0.7
10/31 15:30	29.7	↑0.6
10/31 15:40	30.3	↑0.6
10/31 15:50	30.8	↑0.5
10/31 16:00	31.3	↑0.5
10/31 16:10	31.7	↑0.4
10/31 16:20	32.1	↑0.4
10/31 16:30	32.4	↑0.3
10/31 16:40	32.7	↑0.3
10/31 16:50	32.9	↑0.2
10/31 17:00	33.1	↑0.2
10/31 17:10	33.2	↑0.1
10/31 17:20	33.3	↑0.1
10/31 17:30	33.3	0	満潮
10/31 17:40	33.3	0
10/31 17:50	33.2	↓-0.1
10/31 18:00	33.2	0
10/31 18:10	33.0	↓-0.2
10/31 18:20	32.9	↓-0.1
10/31 18:30	32.7	↓-0.2
10/31 18:40	32.5	↓-0.2
10/31 18:50	32.3	↓-0.2
10/31 19:00	32.1	↓-0.2
10/31 19:10	31.8	↓-0.3
10/31 19:20	31.6	↓-0.2
10/31 19:30	31.3	↓-0.3
10/31 19:40	31.1	↓-0.2
10/31 19:50	30.9	↓-0.2
10/31 20:00	30.6	↓-0.3
10/31 20:10	30.4	↓-0.2
10/31 20:20	30.2	↓-0.2
10/31 20:30	30.1	↓-0.1
10/31 20:40	29.9	↓-0.2
10/31 20:50	29.8	↓-0.1
10/31 21:00	29.7	↓-0.1
10/31 21:10	29.6	↓-0.1
10/31 21:20	29.6	0	干潮
10/31 21:30	29.6	0
10/31 21:40	29.7	↑0.1
10/31 21:50	29.8	↑0.1
10/31 22:00	29.9	↑0.1
10/31 22:10	30.1	↑0.2
10/31 22:20	30.3	↑0.2
10/31 22:30	30.5	↑0.2
10/31 22:40	30.8	↑0.3
10/31 22:50	31.1	↑0.3
10/31 23:00	31.4	↑0.3
10/31 23:10	31.8	↑0.4
10/31 23:20	32.2	↑0.4
10/31 23:30	32.7	↑0.5
10/31 23:40	33.1	↑0.4
10/31 23:50	33.6	↑0.5