20 (月)	04:35	06:47	13:44	21:56
	31cm	30cm	45cm	10cm
大潮 出 04:05 入 19:17 出 02:56 入 17:59

江差／桧山（北海道）2039年06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
6/20 00:00	19.8	↑0.6
6/20 00:10	20.5	↑0.7
6/20 00:20	21.2	↑0.7
6/20 00:30	21.8	↑0.6
6/20 00:40	22.5	↑0.7
6/20 00:50	23.1	↑0.6
6/20 01:00	23.7	↑0.6
6/20 01:10	24.3	↑0.6
6/20 01:20	24.9	↑0.6
6/20 01:30	25.5	↑0.6
6/20 01:40	26.0	↑0.5
6/20 01:50	26.6	↑0.6
6/20 02:00	27.0	↑0.4
6/20 02:10	27.5	↑0.5
6/20 02:20	27.9	↑0.4
6/20 02:30	28.3	↑0.4
6/20 02:40	28.7	↑0.4
6/20 02:50	29.0	↑0.3
6/20 03:00	29.3	↑0.3
6/20 03:10	29.5	↑0.2
6/20 03:20	29.7	↑0.2
6/20 03:30	29.9	↑0.2
6/20 03:40	30.1	↑0.2
6/20 03:50	30.2	↑0.1
6/20 04:00	30.3	↑0.1
6/20 04:10	30.4	↑0.1
6/20 04:20	30.4	0
6/20 04:30	30.4	0	満潮
6/20 04:40	30.4	0
6/20 04:50	30.4	0
6/20 05:00	30.4	0
6/20 05:10	30.3	↓-0.1
6/20 05:20	30.3	0
6/20 05:30	30.2	↓-0.1
6/20 05:40	30.1	↓-0.1
6/20 05:50	30.1	0
6/20 06:00	30.0	↓-0.1
6/20 06:10	29.9	↓-0.1
6/20 06:20	29.9	0
6/20 06:30	29.9	0
6/20 06:40	29.8	↓-0.1	干潮
6/20 06:50	29.8	0
6/20 07:00	29.9	↑0.1
6/20 07:10	29.9	0
6/20 07:20	30.0	↑0.1
6/20 07:30	30.1	↑0.1
6/20 07:40	30.2	↑0.1
6/20 07:50	30.3	↑0.1
6/20 08:00	30.5	↑0.2
6/20 08:10	30.7	↑0.2
6/20 08:20	31.0	↑0.3
6/20 08:30	31.2	↑0.2
6/20 08:40	31.6	↑0.4
6/20 08:50	31.9	↑0.3
6/20 09:00	32.3	↑0.4
6/20 09:10	32.7	↑0.4
6/20 09:20	33.1	↑0.4
6/20 09:30	33.5	↑0.4
6/20 09:40	34.0	↑0.5
6/20 09:50	34.5	↑0.5
6/20 10:00	35.0	↑0.5
6/20 10:10	35.6	↑0.6
6/20 10:20	36.1	↑0.5
6/20 10:30	36.7	↑0.6
6/20 10:40	37.2	↑0.5
6/20 10:50	37.8	↑0.6
6/20 11:00	38.4	↑0.6
6/20 11:10	39.0	↑0.6
6/20 11:20	39.5	↑0.5
6/20 11:30	40.1	↑0.6
6/20 11:40	40.6	↑0.5
6/20 11:50	41.1	↑0.5
6/20 12:00	41.6	↑0.5
6/20 12:10	42.1	↑0.5
6/20 12:20	42.5	↑0.4
6/20 12:30	42.9	↑0.4
6/20 12:40	43.2	↑0.3
6/20 12:50	43.5	↑0.3
6/20 13:00	43.8	↑0.3
6/20 13:10	44.0	↑0.2
6/20 13:20	44.2	↑0.2
6/20 13:30	44.3	↑0.1
6/20 13:40	44.3	0	満潮
6/20 13:50	44.3	0
6/20 14:00	44.2	↓-0.1
6/20 14:10	44.1	↓-0.1
6/20 14:20	43.9	↓-0.2
6/20 14:30	43.6	↓-0.3
6/20 14:40	43.3	↓-0.3
6/20 14:50	42.9	↓-0.4
6/20 15:00	42.5	↓-0.4
6/20 15:10	42.0	↓-0.5
6/20 15:20	41.4	↓-0.6
6/20 15:30	40.7	↓-0.7
6/20 15:40	40.0	↓-0.7
6/20 15:50	39.3	↓-0.7
6/20 16:00	38.5	↓-0.8
6/20 16:10	37.6	↓-0.9
6/20 16:20	36.7	↓-0.9
6/20 16:30	35.8	↓-0.9
6/20 16:40	34.8	↓-1.0
6/20 16:50	33.8	↓-1.0
6/20 17:00	32.7	↓-1.1
6/20 17:10	31.7	↓-1.0
6/20 17:20	30.6	↓-1.1
6/20 17:30	29.4	↓-1.2	最大潮位差
6/20 17:40	28.3	↓-1.1
6/20 17:50	27.2	↓-1.1
6/20 18:00	26.1	↓-1.1
6/20 18:10	24.9	↓-1.2	最大潮位差
6/20 18:20	23.8	↓-1.1
6/20 18:30	22.7	↓-1.1
6/20 18:40	21.6	↓-1.1
6/20 18:50	20.5	↓-1.1
6/20 19:00	19.5	↓-1.0
6/20 19:10	18.5	↓-1.0
6/20 19:20	17.5	↓-1.0
6/20 19:30	16.6	↓-0.9
6/20 19:40	15.7	↓-0.9
6/20 19:50	14.9	↓-0.8
6/20 20:00	14.1	↓-0.8
6/20 20:10	13.4	↓-0.7
6/20 20:20	12.7	↓-0.7
6/20 20:30	12.1	↓-0.6
6/20 20:40	11.6	↓-0.5
6/20 20:50	11.1	↓-0.5
6/20 21:00	10.7	↓-0.4
6/20 21:10	10.4	↓-0.3
6/20 21:20	10.1	↓-0.3
6/20 21:30	9.9	↓-0.2
6/20 21:40	9.8	↓-0.1
6/20 21:50	9.7	↓-0.1	干潮
6/20 22:00	9.7	0
6/20 22:10	9.8	↑0.1
6/20 22:20	9.9	↑0.1
6/20 22:30	10.1	↑0.2
6/20 22:40	10.3	↑0.2
6/20 22:50	10.6	↑0.3
6/20 23:00	11.0	↑0.4
6/20 23:10	11.4	↑0.4
6/20 23:20	11.9	↑0.5
6/20 23:30	12.4	↑0.5
6/20 23:40	12.9	↑0.5
6/20 23:50	13.5	↑0.6