23 (火)	06:22	00:26	22:13	14:31
	33cm	26cm	29cm	13cm
小潮 出 05:22 入 17:32 出 12:01 入 21:32

留萌（北海道）2031年09月23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
9/23 00:00	26.0	↓-0.1
9/23 00:10	26.0	0
9/23 00:20	25.9	↓-0.1	干潮
9/23 00:30	25.9	0
9/23 00:40	26.0	↑0.1
9/23 00:50	26.0	0
9/23 01:00	26.1	↑0.1
9/23 01:10	26.2	↑0.1
9/23 01:20	26.3	↑0.1
9/23 01:30	26.5	↑0.2
9/23 01:40	26.7	↑0.2
9/23 01:50	26.9	↑0.2
9/23 02:00	27.1	↑0.2
9/23 02:10	27.3	↑0.2
9/23 02:20	27.5	↑0.2
9/23 02:30	27.8	↑0.3
9/23 02:40	28.0	↑0.2
9/23 02:50	28.3	↑0.3
9/23 03:00	28.6	↑0.3
9/23 03:10	28.8	↑0.2
9/23 03:20	29.1	↑0.3
9/23 03:30	29.4	↑0.3
9/23 03:40	29.7	↑0.3
9/23 03:50	29.9	↑0.2
9/23 04:00	30.2	↑0.3
9/23 04:10	30.5	↑0.3
9/23 04:20	30.7	↑0.2
9/23 04:30	31.0	↑0.3
9/23 04:40	31.2	↑0.2
9/23 04:50	31.5	↑0.3
9/23 05:00	31.7	↑0.2
9/23 05:10	31.9	↑0.2
9/23 05:20	32.1	↑0.2
9/23 05:30	32.3	↑0.2
9/23 05:40	32.4	↑0.1
9/23 05:50	32.5	↑0.1
9/23 06:00	32.6	↑0.1
9/23 06:10	32.7	↑0.1
9/23 06:20	32.7	0	満潮
9/23 06:30	32.7	0
9/23 06:40	32.6	↓-0.1
9/23 06:50	32.5	↓-0.1
9/23 07:00	32.4	↓-0.1
9/23 07:10	32.2	↓-0.2
9/23 07:20	32.0	↓-0.2
9/23 07:30	31.7	↓-0.3
9/23 07:40	31.5	↓-0.2
9/23 07:50	31.1	↓-0.4
9/23 08:00	30.8	↓-0.3
9/23 08:10	30.3	↓-0.5
9/23 08:20	29.9	↓-0.4
9/23 08:30	29.4	↓-0.5
9/23 08:40	28.9	↓-0.5
9/23 08:50	28.4	↓-0.5
9/23 09:00	27.8	↓-0.6
9/23 09:10	27.2	↓-0.6
9/23 09:20	26.6	↓-0.6
9/23 09:30	26.0	↓-0.6
9/23 09:40	25.3	↓-0.7	最大潮位差
9/23 09:50	24.6	↓-0.7	最大潮位差
9/23 10:00	24.0	↓-0.6
9/23 10:10	23.3	↓-0.7	最大潮位差
9/23 10:20	22.6	↓-0.7	最大潮位差
9/23 10:30	21.9	↓-0.7	最大潮位差
9/23 10:40	21.2	↓-0.7	最大潮位差
9/23 10:50	20.5	↓-0.7	最大潮位差
9/23 11:00	19.8	↓-0.7	最大潮位差
9/23 11:10	19.2	↓-0.6
9/23 11:20	18.5	↓-0.7	最大潮位差
9/23 11:30	17.9	↓-0.6
9/23 11:40	17.3	↓-0.6
9/23 11:50	16.7	↓-0.6
9/23 12:00	16.2	↓-0.5
9/23 12:10	15.7	↓-0.5
9/23 12:20	15.2	↓-0.5
9/23 12:30	14.8	↓-0.4
9/23 12:40	14.3	↓-0.5
9/23 12:50	14.0	↓-0.3
9/23 13:00	13.6	↓-0.4
9/23 13:10	13.3	↓-0.3
9/23 13:20	13.1	↓-0.2
9/23 13:30	12.8	↓-0.3
9/23 13:40	12.6	↓-0.2
9/23 13:50	12.5	↓-0.1
9/23 14:00	12.4	↓-0.1
9/23 14:10	12.3	↓-0.1
9/23 14:20	12.2	↓-0.1
9/23 14:30	12.2	0	干潮
9/23 14:40	12.2	0
9/23 14:50	12.3	↑0.1
9/23 15:00	12.4	↑0.1
9/23 15:10	12.5	↑0.1
9/23 15:20	12.7	↑0.2
9/23 15:30	12.9	↑0.2
9/23 15:40	13.1	↑0.2
9/23 15:50	13.4	↑0.3
9/23 16:00	13.7	↑0.3
9/23 16:10	14.0	↑0.3
9/23 16:20	14.4	↑0.4
9/23 16:30	14.8	↑0.4
9/23 16:40	15.2	↑0.4
9/23 16:50	15.7	↑0.5
9/23 17:00	16.1	↑0.4
9/23 17:10	16.7	↑0.6
9/23 17:20	17.2	↑0.5
9/23 17:30	17.8	↑0.6
9/23 17:40	18.3	↑0.5
9/23 17:50	18.9	↑0.6
9/23 18:00	19.5	↑0.6
9/23 18:10	20.1	↑0.6
9/23 18:20	20.7	↑0.6
9/23 18:30	21.3	↑0.6
9/23 18:40	21.9	↑0.6
9/23 18:50	22.5	↑0.6
9/23 19:00	23.0	↑0.5
9/23 19:10	23.6	↑0.6
9/23 19:20	24.1	↑0.5
9/23 19:30	24.6	↑0.5
9/23 19:40	25.1	↑0.5
9/23 19:50	25.5	↑0.4
9/23 20:00	25.9	↑0.4
9/23 20:10	26.3	↑0.4
9/23 20:20	26.7	↑0.4
9/23 20:30	27.0	↑0.3
9/23 20:40	27.3	↑0.3
9/23 20:50	27.6	↑0.3
9/23 21:00	27.8	↑0.2
9/23 21:10	28.0	↑0.2
9/23 21:20	28.2	↑0.2
9/23 21:30	28.3	↑0.1
9/23 21:40	28.4	↑0.1
9/23 21:50	28.4	0
9/23 22:00	28.5	↑0.1
9/23 22:10	28.5	0	満潮
9/23 22:20	28.5	0
9/23 22:30	28.5	0
9/23 22:40	28.4	↓-0.1
9/23 22:50	28.4	0
9/23 23:00	28.3	↓-0.1
9/23 23:10	28.2	↓-0.1
9/23 23:20	28.1	↓-0.1
9/23 23:30	28.1	0
9/23 23:40	28.0	↓-0.1
9/23 23:50	27.9	↓-0.1