21 (日)	04:13	07:39	15:13	22:49
	33cm	31cm	55cm	26cm
大潮 出 05:25 入 17:40 出 17:46 入 04:12

江差／桧山（北海道）2059年09月21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
9/21 00:00	24.8	↑0.4
9/21 00:10	25.2	↑0.4
9/21 00:20	25.6	↑0.4
9/21 00:30	26.1	↑0.5
9/21 00:40	26.6	↑0.5
9/21 00:50	27.0	↑0.4
9/21 01:00	27.5	↑0.5
9/21 01:10	28.0	↑0.5
9/21 01:20	28.4	↑0.4
9/21 01:30	28.9	↑0.5
9/21 01:40	29.3	↑0.4
9/21 01:50	29.8	↑0.5
9/21 02:00	30.2	↑0.4
9/21 02:10	30.6	↑0.4
9/21 02:20	30.9	↑0.3
9/21 02:30	31.3	↑0.4
9/21 02:40	31.6	↑0.3
9/21 02:50	31.9	↑0.3
9/21 03:00	32.1	↑0.2
9/21 03:10	32.3	↑0.2
9/21 03:20	32.5	↑0.2
9/21 03:30	32.7	↑0.2
9/21 03:40	32.8	↑0.1
9/21 03:50	32.9	↑0.1
9/21 04:00	32.9	0
9/21 04:10	33.0	↑0.1	満潮
9/21 04:20	32.9	↓-0.1
9/21 04:30	32.9	0
9/21 04:40	32.8	↓-0.1
9/21 04:50	32.8	0
9/21 05:00	32.6	↓-0.2
9/21 05:10	32.5	↓-0.1
9/21 05:20	32.4	↓-0.1
9/21 05:30	32.2	↓-0.2
9/21 05:40	32.1	↓-0.1
9/21 05:50	31.9	↓-0.2
9/21 06:00	31.7	↓-0.2
9/21 06:10	31.5	↓-0.2
9/21 06:20	31.4	↓-0.1
9/21 06:30	31.2	↓-0.2
9/21 06:40	31.0	↓-0.2
9/21 06:50	30.9	↓-0.1
9/21 07:00	30.8	↓-0.1
9/21 07:10	30.7	↓-0.1
9/21 07:20	30.6	↓-0.1
9/21 07:30	30.6	0	干潮
9/21 07:40	30.6	0
9/21 07:50	30.6	0
9/21 08:00	30.7	↑0.1
9/21 08:10	30.8	↑0.1
9/21 08:20	30.9	↑0.1
9/21 08:30	31.1	↑0.2
9/21 08:40	31.3	↑0.2
9/21 08:50	31.6	↑0.3
9/21 09:00	31.9	↑0.3
9/21 09:10	32.3	↑0.4
9/21 09:20	32.7	↑0.4
9/21 09:30	33.1	↑0.4
9/21 09:40	33.7	↑0.6
9/21 09:50	34.2	↑0.5
9/21 10:00	34.8	↑0.6
9/21 10:10	35.4	↑0.6
9/21 10:20	36.1	↑0.7
9/21 10:30	36.8	↑0.7
9/21 10:40	37.5	↑0.7
9/21 10:50	38.3	↑0.8
9/21 11:00	39.1	↑0.8
9/21 11:10	39.9	↑0.8
9/21 11:20	40.7	↑0.8
9/21 11:30	41.6	↑0.9
9/21 11:40	42.4	↑0.8
9/21 11:50	43.3	↑0.9
9/21 12:00	44.1	↑0.8
9/21 12:10	45.0	↑0.9
9/21 12:20	45.8	↑0.8
9/21 12:30	46.7	↑0.9
9/21 12:40	47.5	↑0.8
9/21 12:50	48.3	↑0.8
9/21 13:00	49.0	↑0.7
9/21 13:10	49.8	↑0.8
9/21 13:20	50.5	↑0.7
9/21 13:30	51.1	↑0.6
9/21 13:40	51.7	↑0.6
9/21 13:50	52.3	↑0.6
9/21 14:00	52.8	↑0.5
9/21 14:10	53.2	↑0.4
9/21 14:20	53.6	↑0.4
9/21 14:30	53.9	↑0.3
9/21 14:40	54.2	↑0.3
9/21 14:50	54.4	↑0.2
9/21 15:00	54.5	↑0.1
9/21 15:10	54.5	0	満潮
9/21 15:20	54.5	0
9/21 15:30	54.4	↓-0.1
9/21 15:40	54.2	↓-0.2
9/21 15:50	54.0	↓-0.2
9/21 16:00	53.7	↓-0.3
9/21 16:10	53.3	↓-0.4
9/21 16:20	52.9	↓-0.4
9/21 16:30	52.4	↓-0.5
9/21 16:40	51.8	↓-0.6
9/21 16:50	51.2	↓-0.6
9/21 17:00	50.5	↓-0.7
9/21 17:10	49.7	↓-0.8
9/21 17:20	48.9	↓-0.8
9/21 17:30	48.1	↓-0.8
9/21 17:40	47.2	↓-0.9
9/21 17:50	46.3	↓-0.9
9/21 18:00	45.4	↓-0.9
9/21 18:10	44.4	↓-1.0
9/21 18:20	43.4	↓-1.0
9/21 18:30	42.4	↓-1.0
9/21 18:40	41.3	↓-1.1	最大潮位差
9/21 18:50	40.3	↓-1.0
9/21 19:00	39.3	↓-1.0
9/21 19:10	38.3	↓-1.0
9/21 19:20	37.2	↓-1.1	最大潮位差
9/21 19:30	36.2	↓-1.0
9/21 19:40	35.3	↓-0.9
9/21 19:50	34.3	↓-1.0
9/21 20:00	33.4	↓-0.9
9/21 20:10	32.5	↓-0.9
9/21 20:20	31.6	↓-0.9
9/21 20:30	30.8	↓-0.8
9/21 20:40	30.1	↓-0.7
9/21 20:50	29.4	↓-0.7
9/21 21:00	28.7	↓-0.7
9/21 21:10	28.1	↓-0.6
9/21 21:20	27.5	↓-0.6
9/21 21:30	27.0	↓-0.5
9/21 21:40	26.6	↓-0.4
9/21 21:50	26.2	↓-0.4
9/21 22:00	25.9	↓-0.3
9/21 22:10	25.6	↓-0.3
9/21 22:20	25.5	↓-0.1
9/21 22:30	25.3	↓-0.2
9/21 22:40	25.2	↓-0.1	干潮
9/21 22:50	25.2	0
9/21 23:00	25.3	↑0.1
9/21 23:10	25.4	↑0.1
9/21 23:20	25.5	↑0.1
9/21 23:30	25.7	↑0.2
9/21 23:40	25.9	↑0.2
9/21 23:50	26.2	↑0.3