20 (水)	05:23	14:05	-	-
	54cm	14cm	-	-
中潮 出 05:56 入 16:53 出 19:50 入 10:56

江差／桧山（北海道）2027年10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
10/20 00:00	35.3	↑0.5
10/20 00:10	35.8	↑0.5
10/20 00:20	36.3	↑0.5
10/20 00:30	36.9	↑0.6
10/20 00:40	37.5	↑0.6
10/20 00:50	38.2	↑0.7
10/20 01:00	38.8	↑0.6
10/20 01:10	39.5	↑0.7
10/20 01:20	40.2	↑0.7
10/20 01:30	41.0	↑0.8
10/20 01:40	41.7	↑0.7
10/20 01:50	42.4	↑0.7
10/20 02:00	43.2	↑0.8
10/20 02:10	44.0	↑0.8
10/20 02:20	44.7	↑0.7
10/20 02:30	45.5	↑0.8
10/20 02:40	46.2	↑0.7
10/20 02:50	46.9	↑0.7
10/20 03:00	47.6	↑0.7
10/20 03:10	48.3	↑0.7
10/20 03:20	49.0	↑0.7
10/20 03:30	49.6	↑0.6
10/20 03:40	50.2	↑0.6
10/20 03:50	50.8	↑0.6
10/20 04:00	51.3	↑0.5
10/20 04:10	51.8	↑0.5
10/20 04:20	52.2	↑0.4
10/20 04:30	52.5	↑0.3
10/20 04:40	52.8	↑0.3
10/20 04:50	53.1	↑0.3
10/20 05:00	53.2	↑0.1
10/20 05:10	53.4	↑0.2
10/20 05:20	53.4	0	満潮
10/20 05:30	53.4	0
10/20 05:40	53.3	↓-0.1
10/20 05:50	53.1	↓-0.2
10/20 06:00	52.9	↓-0.2
10/20 06:10	52.6	↓-0.3
10/20 06:20	52.2	↓-0.4
10/20 06:30	51.8	↓-0.4
10/20 06:40	51.2	↓-0.6
10/20 06:50	50.6	↓-0.6
10/20 07:00	50.0	↓-0.6
10/20 07:10	49.3	↓-0.7
10/20 07:20	48.5	↓-0.8
10/20 07:30	47.6	↓-0.9
10/20 07:40	46.7	↓-0.9
10/20 07:50	45.8	↓-0.9
10/20 08:00	44.8	↓-1.0
10/20 08:10	43.7	↓-1.1
10/20 08:20	42.7	↓-1.0
10/20 08:30	41.5	↓-1.2
10/20 08:40	40.4	↓-1.1
10/20 08:50	39.2	↓-1.2
10/20 09:00	38.0	↓-1.2
10/20 09:10	36.8	↓-1.2
10/20 09:20	35.5	↓-1.3	最大潮位差
10/20 09:30	34.3	↓-1.2
10/20 09:40	33.0	↓-1.3	最大潮位差
10/20 09:50	31.8	↓-1.2
10/20 10:00	30.6	↓-1.2
10/20 10:10	29.3	↓-1.3	最大潮位差
10/20 10:20	28.1	↓-1.2
10/20 10:30	27.0	↓-1.1
10/20 10:40	25.8	↓-1.2
10/20 10:50	24.7	↓-1.1
10/20 11:00	23.6	↓-1.1
10/20 11:10	22.5	↓-1.1
10/20 11:20	21.5	↓-1.0
10/20 11:30	20.6	↓-0.9
10/20 11:40	19.7	↓-0.9
10/20 11:50	18.8	↓-0.9
10/20 12:00	18.0	↓-0.8
10/20 12:10	17.3	↓-0.7
10/20 12:20	16.6	↓-0.7
10/20 12:30	16.0	↓-0.6
10/20 12:40	15.5	↓-0.5
10/20 12:50	15.0	↓-0.5
10/20 13:00	14.6	↓-0.4
10/20 13:10	14.2	↓-0.4
10/20 13:20	13.9	↓-0.3
10/20 13:30	13.7	↓-0.2
10/20 13:40	13.5	↓-0.2
10/20 13:50	13.4	↓-0.1
10/20 14:00	13.3	↓-0.1	干潮
10/20 14:10	13.3	0
10/20 14:20	13.4	↑0.1
10/20 14:30	13.5	↑0.1
10/20 14:40	13.7	↑0.2
10/20 14:50	13.9	↑0.2
10/20 15:00	14.1	↑0.2
10/20 15:10	14.4	↑0.3
10/20 15:20	14.7	↑0.3
10/20 15:30	15.1	↑0.4
10/20 15:40	15.5	↑0.4
10/20 15:50	15.9	↑0.4
10/20 16:00	16.4	↑0.5
10/20 16:10	16.8	↑0.4
10/20 16:20	17.3	↑0.5
10/20 16:30	17.8	↑0.5
10/20 16:40	18.3	↑0.5
10/20 16:50	18.8	↑0.5
10/20 17:00	19.4	↑0.6
10/20 17:10	19.9	↑0.5
10/20 17:20	20.4	↑0.5
10/20 17:30	20.9	↑0.5
10/20 17:40	21.4	↑0.5
10/20 17:50	21.9	↑0.5
10/20 18:00	22.3	↑0.4
10/20 18:10	22.8	↑0.5
10/20 18:20	23.2	↑0.4
10/20 18:30	23.7	↑0.5
10/20 18:40	24.1	↑0.4
10/20 18:50	24.5	↑0.4
10/20 19:00	24.8	↑0.3
10/20 19:10	25.2	↑0.4
10/20 19:20	25.5	↑0.3
10/20 19:30	25.8	↑0.3
10/20 19:40	26.1	↑0.3
10/20 19:50	26.4	↑0.3
10/20 20:00	26.6	↑0.2
10/20 20:10	26.9	↑0.3
10/20 20:20	27.1	↑0.2
10/20 20:30	27.3	↑0.2
10/20 20:40	27.5	↑0.2
10/20 20:50	27.7	↑0.2
10/20 21:00	27.9	↑0.2
10/20 21:10	28.1	↑0.2
10/20 21:20	28.2	↑0.1
10/20 21:30	28.4	↑0.2
10/20 21:40	28.6	↑0.2
10/20 21:50	28.8	↑0.2
10/20 22:00	29.0	↑0.2
10/20 22:10	29.2	↑0.2
10/20 22:20	29.4	↑0.2
10/20 22:30	29.6	↑0.2
10/20 22:40	29.9	↑0.3
10/20 22:50	30.1	↑0.2
10/20 23:00	30.4	↑0.3
10/20 23:10	30.7	↑0.3
10/20 23:20	31.0	↑0.3
10/20 23:30	31.4	↑0.4
10/20 23:40	31.8	↑0.4
10/20 23:50	32.2	↑0.4