31 (水)	04:25	12:26	20:06	21:34
	48cm	11cm	32cm	31cm
中潮 出 06:10 入 16:36 出 09:31 入 18:57

江差／桧山（北海道）2057年10月31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
10/31 00:00	34.6	↑0.4
10/31 00:10	35.1	↑0.5
10/31 00:20	35.6	↑0.5
10/31 00:30	36.2	↑0.6
10/31 00:40	36.8	↑0.6
10/31 00:50	37.4	↑0.6
10/31 01:00	38.0	↑0.6
10/31 01:10	38.6	↑0.6
10/31 01:20	39.2	↑0.6
10/31 01:30	39.9	↑0.7
10/31 01:40	40.5	↑0.6
10/31 01:50	41.2	↑0.7
10/31 02:00	41.8	↑0.6
10/31 02:10	42.5	↑0.7
10/31 02:20	43.1	↑0.6
10/31 02:30	43.6	↑0.5
10/31 02:40	44.2	↑0.6
10/31 02:50	44.7	↑0.5
10/31 03:00	45.2	↑0.5
10/31 03:10	45.7	↑0.5
10/31 03:20	46.1	↑0.4
10/31 03:30	46.4	↑0.3
10/31 03:40	46.7	↑0.3
10/31 03:50	47.0	↑0.3
10/31 04:00	47.2	↑0.2
10/31 04:10	47.3	↑0.1
10/31 04:20	47.4	↑0.1	満潮
10/31 04:30	47.4	0
10/31 04:40	47.3	↓-0.1
10/31 04:50	47.1	↓-0.2
10/31 05:00	46.9	↓-0.2
10/31 05:10	46.6	↓-0.3
10/31 05:20	46.3	↓-0.3
10/31 05:30	45.8	↓-0.5
10/31 05:40	45.3	↓-0.5
10/31 05:50	44.8	↓-0.5
10/31 06:00	44.1	↓-0.7
10/31 06:10	43.4	↓-0.7
10/31 06:20	42.7	↓-0.7
10/31 06:30	41.8	↓-0.9
10/31 06:40	40.9	↓-0.9
10/31 06:50	40.0	↓-0.9
10/31 07:00	39.0	↓-1.0
10/31 07:10	38.0	↓-1.0
10/31 07:20	36.9	↓-1.1
10/31 07:30	35.8	↓-1.1
10/31 07:40	34.6	↓-1.2
10/31 07:50	33.5	↓-1.1
10/31 08:00	32.3	↓-1.2
10/31 08:10	31.1	↓-1.2
10/31 08:20	29.8	↓-1.3	最大潮位差
10/31 08:30	28.6	↓-1.2
10/31 08:40	27.4	↓-1.2
10/31 08:50	26.2	↓-1.2
10/31 09:00	25.0	↓-1.2
10/31 09:10	23.8	↓-1.2
10/31 09:20	22.6	↓-1.2
10/31 09:30	21.5	↓-1.1
10/31 09:40	20.4	↓-1.1
10/31 09:50	19.4	↓-1.0
10/31 10:00	18.4	↓-1.0
10/31 10:10	17.4	↓-1.0
10/31 10:20	16.5	↓-0.9
10/31 10:30	15.7	↓-0.8
10/31 10:40	14.9	↓-0.8
10/31 10:50	14.2	↓-0.7
10/31 11:00	13.5	↓-0.7
10/31 11:10	12.9	↓-0.6
10/31 11:20	12.4	↓-0.5
10/31 11:30	12.0	↓-0.4
10/31 11:40	11.6	↓-0.4
10/31 11:50	11.3	↓-0.3
10/31 12:00	11.1	↓-0.2
10/31 12:10	11.0	↓-0.1
10/31 12:20	10.9	↓-0.1	干潮
10/31 12:30	10.9	0
10/31 12:40	11.0	↑0.1
10/31 12:50	11.1	↑0.1
10/31 13:00	11.3	↑0.2
10/31 13:10	11.6	↑0.3
10/31 13:20	11.9	↑0.3
10/31 13:30	12.3	↑0.4
10/31 13:40	12.7	↑0.4
10/31 13:50	13.2	↑0.5
10/31 14:00	13.7	↑0.5
10/31 14:10	14.3	↑0.6
10/31 14:20	14.9	↑0.6
10/31 14:30	15.6	↑0.7
10/31 14:40	16.2	↑0.6
10/31 14:50	16.9	↑0.7
10/31 15:00	17.7	↑0.8
10/31 15:10	18.4	↑0.7
10/31 15:20	19.1	↑0.7
10/31 15:30	19.9	↑0.8
10/31 15:40	20.6	↑0.7
10/31 15:50	21.4	↑0.8
10/31 16:00	22.1	↑0.7
10/31 16:10	22.8	↑0.7
10/31 16:20	23.5	↑0.7
10/31 16:30	24.2	↑0.7
10/31 16:40	24.9	↑0.7
10/31 16:50	25.5	↑0.6
10/31 17:00	26.1	↑0.6
10/31 17:10	26.7	↑0.6
10/31 17:20	27.3	↑0.6
10/31 17:30	27.8	↑0.5
10/31 17:40	28.2	↑0.4
10/31 17:50	28.7	↑0.5
10/31 18:00	29.1	↑0.4
10/31 18:10	29.4	↑0.3
10/31 18:20	29.8	↑0.4
10/31 18:30	30.0	↑0.2
10/31 18:40	30.3	↑0.3
10/31 18:50	30.5	↑0.2
10/31 19:00	30.7	↑0.2
10/31 19:10	30.8	↑0.1
10/31 19:20	30.9	↑0.1
10/31 19:30	31.0	↑0.1
10/31 19:40	31.1	↑0.1
10/31 19:50	31.1	0
10/31 20:00	31.1	0	満潮
10/31 20:10	31.1	0
10/31 20:20	31.1	0
10/31 20:30	31.1	0
10/31 20:40	31.1	0
10/31 20:50	31.0	↓-0.1
10/31 21:00	31.0	0
10/31 21:10	31.0	0
10/31 21:20	30.9	↓-0.1
10/31 21:30	30.9	0	干潮
10/31 21:40	30.9	0
10/31 21:50	31.0	↑0.1
10/31 22:00	31.0	0
10/31 22:10	31.1	↑0.1
10/31 22:20	31.1	0
10/31 22:30	31.3	↑0.2
10/31 22:40	31.4	↑0.1
10/31 22:50	31.6	↑0.2
10/31 23:00	31.8	↑0.2
10/31 23:10	32.0	↑0.2
10/31 23:20	32.3	↑0.3
10/31 23:30	32.6	↑0.3
10/31 23:40	33.0	↑0.4
10/31 23:50	33.4	↑0.4