19 (木)	11:00	04:20	22:35	16:27
	26cm	16cm	29cm	21cm
長潮 出 07:01 入 16:12 出 00:23 入 11:50

江差／桧山（北海道）2030年12月19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
12/19 00:00	23.2	↓-0.3
12/19 00:10	22.8	↓-0.4
12/19 00:20	22.4	↓-0.4
12/19 00:30	22.1	↓-0.3
12/19 00:40	21.7	↓-0.4
12/19 00:50	21.3	↓-0.4
12/19 01:00	20.9	↓-0.4
12/19 01:10	20.5	↓-0.4
12/19 01:20	20.0	↓-0.5	最大潮位差
12/19 01:30	19.6	↓-0.4
12/19 01:40	19.2	↓-0.4
12/19 01:50	18.9	↓-0.3
12/19 02:00	18.5	↓-0.4
12/19 02:10	18.1	↓-0.4
12/19 02:20	17.8	↓-0.3
12/19 02:30	17.5	↓-0.3
12/19 02:40	17.2	↓-0.3
12/19 02:50	16.9	↓-0.3
12/19 03:00	16.6	↓-0.3
12/19 03:10	16.4	↓-0.2
12/19 03:20	16.2	↓-0.2
12/19 03:30	16.0	↓-0.2
12/19 03:40	15.9	↓-0.1
12/19 03:50	15.8	↓-0.1
12/19 04:00	15.7	↓-0.1
12/19 04:10	15.6	↓-0.1	干潮
12/19 04:20	15.6	0	干潮
12/19 04:30	15.6	0
12/19 04:40	15.7	↑0.1
12/19 04:50	15.8	↑0.1
12/19 05:00	15.9	↑0.1
12/19 05:10	16.1	↑0.2
12/19 05:20	16.2	↑0.1
12/19 05:30	16.4	↑0.2
12/19 05:40	16.7	↑0.3
12/19 05:50	16.9	↑0.2
12/19 06:00	17.2	↑0.3
12/19 06:10	17.5	↑0.3
12/19 06:20	17.9	↑0.4
12/19 06:30	18.2	↑0.3
12/19 06:40	18.6	↑0.4
12/19 06:50	19.0	↑0.4
12/19 07:00	19.4	↑0.4
12/19 07:10	19.8	↑0.4
12/19 07:20	20.2	↑0.4
12/19 07:30	20.6	↑0.4
12/19 07:40	21.0	↑0.4
12/19 07:50	21.4	↑0.4
12/19 08:00	21.8	↑0.4
12/19 08:10	22.2	↑0.4
12/19 08:20	22.6	↑0.4
12/19 08:30	22.9	↑0.3
12/19 08:40	23.3	↑0.4
12/19 08:50	23.7	↑0.4
12/19 09:00	24.0	↑0.3
12/19 09:10	24.3	↑0.3
12/19 09:20	24.6	↑0.3
12/19 09:30	24.8	↑0.2
12/19 09:40	25.1	↑0.3
12/19 09:50	25.3	↑0.2
12/19 10:00	25.5	↑0.2
12/19 10:10	25.6	↑0.1
12/19 10:20	25.8	↑0.2
12/19 10:30	25.9	↑0.1
12/19 10:40	25.9	0
12/19 10:50	26.0	↑0.1	満潮
12/19 11:00	26.0	0	満潮
12/19 11:10	26.0	0
12/19 11:20	25.9	↓-0.1
12/19 11:30	25.9	0
12/19 11:40	25.8	↓-0.1
12/19 11:50	25.6	↓-0.2
12/19 12:00	25.5	↓-0.1
12/19 12:10	25.3	↓-0.2
12/19 12:20	25.1	↓-0.2
12/19 12:30	24.9	↓-0.2
12/19 12:40	24.7	↓-0.2
12/19 12:50	24.5	↓-0.2
12/19 13:00	24.2	↓-0.3
12/19 13:10	24.0	↓-0.2
12/19 13:20	23.7	↓-0.3
12/19 13:30	23.4	↓-0.3
12/19 13:40	23.1	↓-0.3
12/19 13:50	22.9	↓-0.2
12/19 14:00	22.6	↓-0.3
12/19 14:10	22.3	↓-0.3
12/19 14:20	22.0	↓-0.3
12/19 14:30	21.8	↓-0.2
12/19 14:40	21.5	↓-0.3
12/19 14:50	21.3	↓-0.2
12/19 15:00	21.1	↓-0.2
12/19 15:10	20.9	↓-0.2
12/19 15:20	20.7	↓-0.2
12/19 15:30	20.6	↓-0.1
12/19 15:40	20.4	↓-0.2
12/19 15:50	20.3	↓-0.1
12/19 16:00	20.3	0
12/19 16:10	20.2	↓-0.1
12/19 16:20	20.2	0	干潮
12/19 16:30	20.2	0
12/19 16:40	20.2	0
12/19 16:50	20.3	↑0.1
12/19 17:00	20.3	0
12/19 17:10	20.4	↑0.1
12/19 17:20	20.6	↑0.2
12/19 17:30	20.7	↑0.1
12/19 17:40	20.9	↑0.2
12/19 17:50	21.2	↑0.3
12/19 18:00	21.4	↑0.2
12/19 18:10	21.7	↑0.3
12/19 18:20	21.9	↑0.2
12/19 18:30	22.2	↑0.3
12/19 18:40	22.6	↑0.4
12/19 18:50	22.9	↑0.3
12/19 19:00	23.2	↑0.3
12/19 19:10	23.6	↑0.4
12/19 19:20	23.9	↑0.3
12/19 19:30	24.3	↑0.4
12/19 19:40	24.7	↑0.4
12/19 19:50	25.0	↑0.3
12/19 20:00	25.4	↑0.4
12/19 20:10	25.8	↑0.4
12/19 20:20	26.1	↑0.3
12/19 20:30	26.5	↑0.4
12/19 20:40	26.8	↑0.3
12/19 20:50	27.1	↑0.3
12/19 21:00	27.4	↑0.3
12/19 21:10	27.7	↑0.3
12/19 21:20	27.9	↑0.2
12/19 21:30	28.1	↑0.2
12/19 21:40	28.3	↑0.2
12/19 21:50	28.5	↑0.2
12/19 22:00	28.6	↑0.1
12/19 22:10	28.7	↑0.1
12/19 22:20	28.8	↑0.1
12/19 22:30	28.8	0	満潮
12/19 22:40	28.8	0
12/19 22:50	28.8	0
12/19 23:00	28.7	↓-0.1
12/19 23:10	28.6	↓-0.1
12/19 23:20	28.4	↓-0.2
12/19 23:30	28.3	↓-0.1
12/19 23:40	28.0	↓-0.3
12/19 23:50	27.8	↓-0.2