20 (金)	12:32	21:37	-	-
	58cm	20cm	-	-
中潮 出 04:53 入 18:33 出 17:31 入 01:37

江差／桧山（北海道）2021年08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
8/20 00:00	27.4	↑0.5
8/20 00:10	28.0	↑0.6
8/20 00:20	28.5	↑0.5
8/20 00:30	29.0	↑0.5
8/20 00:40	29.5	↑0.5
8/20 00:50	30.0	↑0.5
8/20 01:00	30.5	↑0.5
8/20 01:10	31.0	↑0.5
8/20 01:20	31.4	↑0.4
8/20 01:30	31.9	↑0.5
8/20 01:40	32.3	↑0.4
8/20 01:50	32.8	↑0.5
8/20 02:00	33.2	↑0.4
8/20 02:10	33.6	↑0.4
8/20 02:20	34.0	↑0.4
8/20 02:30	34.4	↑0.4
8/20 02:40	34.7	↑0.3
8/20 02:50	35.1	↑0.4
8/20 03:00	35.4	↑0.3
8/20 03:10	35.7	↑0.3
8/20 03:20	36.1	↑0.4
8/20 03:30	36.4	↑0.3
8/20 03:40	36.7	↑0.3
8/20 03:50	37.0	↑0.3
8/20 04:00	37.2	↑0.2
8/20 04:10	37.5	↑0.3
8/20 04:20	37.8	↑0.3
8/20 04:30	38.1	↑0.3
8/20 04:40	38.4	↑0.3
8/20 04:50	38.6	↑0.2
8/20 05:00	38.9	↑0.3
8/20 05:10	39.2	↑0.3
8/20 05:20	39.5	↑0.3
8/20 05:30	39.8	↑0.3
8/20 05:40	40.1	↑0.3
8/20 05:50	40.4	↑0.3
8/20 06:00	40.7	↑0.3
8/20 06:10	41.1	↑0.4
8/20 06:20	41.4	↑0.3
8/20 06:30	41.8	↑0.4
8/20 06:40	42.2	↑0.4
8/20 06:50	42.6	↑0.4
8/20 07:00	43.0	↑0.4
8/20 07:10	43.5	↑0.5
8/20 07:20	43.9	↑0.4
8/20 07:30	44.4	↑0.5
8/20 07:40	44.8	↑0.4
8/20 07:50	45.3	↑0.5
8/20 08:00	45.9	↑0.6
8/20 08:10	46.4	↑0.5
8/20 08:20	46.9	↑0.5
8/20 08:30	47.4	↑0.5
8/20 08:40	48.0	↑0.6
8/20 08:50	48.6	↑0.6
8/20 09:00	49.1	↑0.5
8/20 09:10	49.7	↑0.6
8/20 09:20	50.2	↑0.5
8/20 09:30	50.8	↑0.6
8/20 09:40	51.4	↑0.6
8/20 09:50	51.9	↑0.5
8/20 10:00	52.4	↑0.5
8/20 10:10	53.0	↑0.6
8/20 10:20	53.5	↑0.5
8/20 10:30	53.9	↑0.4
8/20 10:40	54.4	↑0.5
8/20 10:50	54.8	↑0.4
8/20 11:00	55.3	↑0.5
8/20 11:10	55.6	↑0.3
8/20 11:20	56.0	↑0.4
8/20 11:30	56.3	↑0.3
8/20 11:40	56.5	↑0.2
8/20 11:50	56.8	↑0.3
8/20 12:00	56.9	↑0.1
8/20 12:10	57.1	↑0.2
8/20 12:20	57.1	0
8/20 12:30	57.2	↑0.1	満潮
8/20 12:40	57.2	0
8/20 12:50	57.1	↓-0.1
8/20 13:00	56.9	↓-0.2
8/20 13:10	56.8	↓-0.1
8/20 13:20	56.5	↓-0.3
8/20 13:30	56.2	↓-0.3
8/20 13:40	55.8	↓-0.4
8/20 13:50	55.4	↓-0.4
8/20 14:00	55.0	↓-0.4
8/20 14:10	54.4	↓-0.6
8/20 14:20	53.8	↓-0.6
8/20 14:30	53.2	↓-0.6
8/20 14:40	52.5	↓-0.7
8/20 14:50	51.8	↓-0.7
8/20 15:00	51.0	↓-0.8
8/20 15:10	50.1	↓-0.9
8/20 15:20	49.3	↓-0.8
8/20 15:30	48.3	↓-1.0
8/20 15:40	47.4	↓-0.9
8/20 15:50	46.4	↓-1.0
8/20 16:00	45.4	↓-1.0
8/20 16:10	44.3	↓-1.1
8/20 16:20	43.3	↓-1.0
8/20 16:30	42.2	↓-1.1
8/20 16:40	41.1	↓-1.1
8/20 16:50	40.0	↓-1.1
8/20 17:00	38.8	↓-1.2	最大潮位差
8/20 17:10	37.7	↓-1.1
8/20 17:20	36.6	↓-1.1
8/20 17:30	35.5	↓-1.1
8/20 17:40	34.4	↓-1.1
8/20 17:50	33.3	↓-1.1
8/20 18:00	32.2	↓-1.1
8/20 18:10	31.2	↓-1.0
8/20 18:20	30.2	↓-1.0
8/20 18:30	29.2	↓-1.0
8/20 18:40	28.2	↓-1.0
8/20 18:50	27.3	↓-0.9
8/20 19:00	26.4	↓-0.9
8/20 19:10	25.6	↓-0.8
8/20 19:20	24.8	↓-0.8
8/20 19:30	24.1	↓-0.7
8/20 19:40	23.4	↓-0.7
8/20 19:50	22.7	↓-0.7
8/20 20:00	22.2	↓-0.5
8/20 20:10	21.6	↓-0.6
8/20 20:20	21.2	↓-0.4
8/20 20:30	20.8	↓-0.4
8/20 20:40	20.4	↓-0.4
8/20 20:50	20.1	↓-0.3
8/20 21:00	19.9	↓-0.2
8/20 21:10	19.7	↓-0.2
8/20 21:20	19.6	↓-0.1
8/20 21:30	19.5	↓-0.1	干潮
8/20 21:40	19.5	0
8/20 21:50	19.6	↑0.1
8/20 22:00	19.7	↑0.1
8/20 22:10	19.8	↑0.1
8/20 22:20	20.0	↑0.2
8/20 22:30	20.2	↑0.2
8/20 22:40	20.5	↑0.3
8/20 22:50	20.8	↑0.3
8/20 23:00	21.2	↑0.4
8/20 23:10	21.6	↑0.4
8/20 23:20	22.0	↑0.4
8/20 23:30	22.5	↑0.5
8/20 23:40	22.9	↑0.4
8/20 23:50	23.4	↑0.5