20 (日)	03:27	05:30	13:35	21:29
	34cm	33cm	53cm	26cm
中潮 出 05:25 入 17:41 出 16:19 入 02:58

江差／桧山（北海道）2048年09月20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
9/20 00:00	28.9	↑0.4
9/20 00:10	29.2	↑0.3
9/20 00:20	29.6	↑0.4
9/20 00:30	30.0	↑0.4
9/20 00:40	30.3	↑0.3
9/20 00:50	30.6	↑0.3
9/20 01:00	30.9	↑0.3
9/20 01:10	31.2	↑0.3
9/20 01:20	31.5	↑0.3
9/20 01:30	31.7	↑0.2
9/20 01:40	32.0	↑0.3
9/20 01:50	32.2	↑0.2
9/20 02:00	32.4	↑0.2
9/20 02:10	32.5	↑0.1
9/20 02:20	32.7	↑0.2
9/20 02:30	32.8	↑0.1
9/20 02:40	32.9	↑0.1
9/20 02:50	32.9	0
9/20 03:00	33.0	↑0.1
9/20 03:10	33.0	0
9/20 03:20	33.0	0	満潮
9/20 03:30	33.0	0
9/20 03:40	33.0	0
9/20 03:50	33.0	0
9/20 04:00	33.0	0
9/20 04:10	32.9	↓-0.1
9/20 04:20	32.9	0
9/20 04:30	32.8	↓-0.1
9/20 04:40	32.8	0
9/20 04:50	32.8	0
9/20 05:00	32.7	↓-0.1
9/20 05:10	32.7	0
9/20 05:20	32.7	0	干潮
9/20 05:30	32.7	0	干潮
9/20 05:40	32.7	0
9/20 05:50	32.7	0
9/20 06:00	32.8	↑0.1
9/20 06:10	32.8	0
9/20 06:20	32.9	↑0.1
9/20 06:30	33.0	↑0.1
9/20 06:40	33.2	↑0.2
9/20 06:50	33.4	↑0.2
9/20 07:00	33.6	↑0.2
9/20 07:10	33.8	↑0.2
9/20 07:20	34.1	↑0.3
9/20 07:30	34.4	↑0.3
9/20 07:40	34.7	↑0.3
9/20 07:50	35.1	↑0.4
9/20 08:00	35.5	↑0.4
9/20 08:10	35.9	↑0.4
9/20 08:20	36.4	↑0.5
9/20 08:30	36.9	↑0.5
9/20 08:40	37.4	↑0.5
9/20 08:50	38.0	↑0.6
9/20 09:00	38.5	↑0.5
9/20 09:10	39.1	↑0.6
9/20 09:20	39.7	↑0.6
9/20 09:30	40.4	↑0.7
9/20 09:40	41.0	↑0.6
9/20 09:50	41.7	↑0.7
9/20 10:00	42.3	↑0.6
9/20 10:10	43.0	↑0.7
9/20 10:20	43.7	↑0.7
9/20 10:30	44.4	↑0.7
9/20 10:40	45.0	↑0.6
9/20 10:50	45.7	↑0.7
9/20 11:00	46.3	↑0.6
9/20 11:10	46.9	↑0.6
9/20 11:20	47.5	↑0.6
9/20 11:30	48.1	↑0.6
9/20 11:40	48.7	↑0.6
9/20 11:50	49.2	↑0.5
9/20 12:00	49.7	↑0.5
9/20 12:10	50.1	↑0.4
9/20 12:20	50.5	↑0.4
9/20 12:30	50.9	↑0.4
9/20 12:40	51.2	↑0.3
9/20 12:50	51.5	↑0.3
9/20 13:00	51.7	↑0.2
9/20 13:10	51.9	↑0.2
9/20 13:20	52.0	↑0.1
9/20 13:30	52.0	0	満潮
9/20 13:40	52.0	0
9/20 13:50	52.0	0
9/20 14:00	51.8	↓-0.2
9/20 14:10	51.7	↓-0.1
9/20 14:20	51.4	↓-0.3
9/20 14:30	51.1	↓-0.3
9/20 14:40	50.8	↓-0.3
9/20 14:50	50.4	↓-0.4
9/20 15:00	49.9	↓-0.5
9/20 15:10	49.4	↓-0.5
9/20 15:20	48.9	↓-0.5
9/20 15:30	48.3	↓-0.6
9/20 15:40	47.6	↓-0.7
9/20 15:50	46.9	↓-0.7
9/20 16:00	46.2	↓-0.7
9/20 16:10	45.4	↓-0.8
9/20 16:20	44.6	↓-0.8
9/20 16:30	43.8	↓-0.8
9/20 16:40	43.0	↓-0.8
9/20 16:50	42.1	↓-0.9	最大潮位差
9/20 17:00	41.2	↓-0.9	最大潮位差
9/20 17:10	40.3	↓-0.9	最大潮位差
9/20 17:20	39.5	↓-0.8
9/20 17:30	38.6	↓-0.9	最大潮位差
9/20 17:40	37.7	↓-0.9	最大潮位差
9/20 17:50	36.8	↓-0.9	最大潮位差
9/20 18:00	35.9	↓-0.9	最大潮位差
9/20 18:10	35.0	↓-0.9	最大潮位差
9/20 18:20	34.2	↓-0.8
9/20 18:30	33.4	↓-0.8
9/20 18:40	32.6	↓-0.8
9/20 18:50	31.8	↓-0.8
9/20 19:00	31.1	↓-0.7
9/20 19:10	30.4	↓-0.7
9/20 19:20	29.8	↓-0.6
9/20 19:30	29.1	↓-0.7
9/20 19:40	28.6	↓-0.5
9/20 19:50	28.1	↓-0.5
9/20 20:00	27.6	↓-0.5
9/20 20:10	27.2	↓-0.4
9/20 20:20	26.8	↓-0.4
9/20 20:30	26.5	↓-0.3
9/20 20:40	26.2	↓-0.3
9/20 20:50	26.0	↓-0.2
9/20 21:00	25.8	↓-0.2
9/20 21:10	25.7	↓-0.1
9/20 21:20	25.7	0	干潮
9/20 21:30	25.6	↓-0.1
9/20 21:40	25.7	↑0.1
9/20 21:50	25.8	↑0.1
9/20 22:00	25.9	↑0.1
9/20 22:10	26.0	↑0.1
9/20 22:20	26.2	↑0.2
9/20 22:30	26.5	↑0.3
9/20 22:40	26.7	↑0.2
9/20 22:50	27.0	↑0.3
9/20 23:00	27.3	↑0.3
9/20 23:10	27.7	↑0.4
9/20 23:20	28.1	↑0.4
9/20 23:30	28.4	↑0.3
9/20 23:40	28.8	↑0.4
9/20 23:50	29.2	↑0.4