20 (月)	05:09	12:54	20:05	22:51
	51cm	20cm	39cm	37cm
中潮 出 05:24 入 17:42 出 19:22 入 09:44

江差／桧山（北海道）2027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	37.8	↑0.2
9/20 00:10	38.1	↑0.3
9/20 00:20	38.3	↑0.2
9/20 00:30	38.7	↑0.4
9/20 00:40	39.0	↑0.3
9/20 00:50	39.4	↑0.4
9/20 01:00	39.8	↑0.4
9/20 01:10	40.3	↑0.5
9/20 01:20	40.8	↑0.5
9/20 01:30	41.3	↑0.5
9/20 01:40	41.8	↑0.5
9/20 01:50	42.4	↑0.6
9/20 02:00	42.9	↑0.5
9/20 02:10	43.5	↑0.6
9/20 02:20	44.1	↑0.6
9/20 02:30	44.7	↑0.6
9/20 02:40	45.3	↑0.6
9/20 02:50	45.8	↑0.5
9/20 03:00	46.4	↑0.6
9/20 03:10	46.9	↑0.5
9/20 03:20	47.4	↑0.5
9/20 03:30	47.9	↑0.5
9/20 03:40	48.4	↑0.5
9/20 03:50	48.8	↑0.4
9/20 04:00	49.2	↑0.4
9/20 04:10	49.5	↑0.3
9/20 04:20	49.8	↑0.3
9/20 04:30	50.1	↑0.3
9/20 04:40	50.3	↑0.2
9/20 04:50	50.4	↑0.1
9/20 05:00	50.5	↑0.1	満潮
9/20 05:10	50.5	0
9/20 05:20	50.5	0
9/20 05:30	50.4	↓-0.1
9/20 05:40	50.2	↓-0.2
9/20 05:50	49.9	↓-0.3
9/20 06:00	49.6	↓-0.3
9/20 06:10	49.3	↓-0.3
9/20 06:20	48.8	↓-0.5
9/20 06:30	48.3	↓-0.5
9/20 06:40	47.8	↓-0.5
9/20 06:50	47.2	↓-0.6
9/20 07:00	46.5	↓-0.7
9/20 07:10	45.8	↓-0.7
9/20 07:20	45.0	↓-0.8
9/20 07:30	44.1	↓-0.9
9/20 07:40	43.3	↓-0.8
9/20 07:50	42.4	↓-0.9
9/20 08:00	41.4	↓-1.0
9/20 08:10	40.4	↓-1.0
9/20 08:20	39.4	↓-1.0
9/20 08:30	38.4	↓-1.0
9/20 08:40	37.3	↓-1.1	最大潮位差
9/20 08:50	36.3	↓-1.0
9/20 09:00	35.2	↓-1.1	最大潮位差
9/20 09:10	34.1	↓-1.1	最大潮位差
9/20 09:20	33.1	↓-1.0
9/20 09:30	32.0	↓-1.1	最大潮位差
9/20 09:40	31.0	↓-1.0
9/20 09:50	29.9	↓-1.1	最大潮位差
9/20 10:00	28.9	↓-1.0
9/20 10:10	28.0	↓-0.9
9/20 10:20	27.0	↓-1.0
9/20 10:30	26.1	↓-0.9
9/20 10:40	25.3	↓-0.8
9/20 10:50	24.5	↓-0.8
9/20 11:00	23.7	↓-0.8
9/20 11:10	23.0	↓-0.7
9/20 11:20	22.4	↓-0.6
9/20 11:30	21.8	↓-0.6
9/20 11:40	21.3	↓-0.5
9/20 11:50	20.8	↓-0.5
9/20 12:00	20.4	↓-0.4
9/20 12:10	20.1	↓-0.3
9/20 12:20	19.8	↓-0.3
9/20 12:30	19.7	↓-0.1
9/20 12:40	19.5	↓-0.2
9/20 12:50	19.5	0	干潮
9/20 13:00	19.5	0
9/20 13:10	19.6	↑0.1
9/20 13:20	19.7	↑0.1
9/20 13:30	19.9	↑0.2
9/20 13:40	20.2	↑0.3
9/20 13:50	20.5	↑0.3
9/20 14:00	20.9	↑0.4
9/20 14:10	21.3	↑0.4
9/20 14:20	21.8	↑0.5
9/20 14:30	22.3	↑0.5
9/20 14:40	22.8	↑0.5
9/20 14:50	23.4	↑0.6
9/20 15:00	24.0	↑0.6
9/20 15:10	24.7	↑0.7
9/20 15:20	25.4	↑0.7
9/20 15:30	26.0	↑0.6
9/20 15:40	26.7	↑0.7
9/20 15:50	27.4	↑0.7
9/20 16:00	28.1	↑0.7
9/20 16:10	28.9	↑0.8
9/20 16:20	29.6	↑0.7
9/20 16:30	30.2	↑0.6
9/20 16:40	30.9	↑0.7
9/20 16:50	31.6	↑0.7
9/20 17:00	32.2	↑0.6
9/20 17:10	32.9	↑0.7
9/20 17:20	33.4	↑0.5
9/20 17:30	34.0	↑0.6
9/20 17:40	34.5	↑0.5
9/20 17:50	35.0	↑0.5
9/20 18:00	35.5	↑0.5
9/20 18:10	35.9	↑0.4
9/20 18:20	36.3	↑0.4
9/20 18:30	36.7	↑0.4
9/20 18:40	37.0	↑0.3
9/20 18:50	37.3	↑0.3
9/20 19:00	37.5	↑0.2
9/20 19:10	37.7	↑0.2
9/20 19:20	37.8	↑0.1
9/20 19:30	38.0	↑0.2
9/20 19:40	38.1	↑0.1
9/20 19:50	38.1	0
9/20 20:00	38.1	0	満潮
9/20 20:10	38.1	0
9/20 20:20	38.1	0
9/20 20:30	38.1	0
9/20 20:40	38.0	↓-0.1
9/20 20:50	37.9	↓-0.1
9/20 21:00	37.8	↓-0.1
9/20 21:10	37.7	↓-0.1
9/20 21:20	37.6	↓-0.1
9/20 21:30	37.5	↓-0.1
9/20 21:40	37.4	↓-0.1
9/20 21:50	37.3	↓-0.1
9/20 22:00	37.2	↓-0.1
9/20 22:10	37.1	↓-0.1
9/20 22:20	37.0	↓-0.1
9/20 22:30	36.9	↓-0.1
9/20 22:40	36.9	0
9/20 22:50	36.9	0	干潮
9/20 23:00	36.9	0
9/20 23:10	36.9	0
9/20 23:20	37.0	↑0.1
9/20 23:30	37.1	↑0.1
9/20 23:40	37.3	↑0.2
9/20 23:50	37.4	↑0.1