20 (金)	08:45	02:42	21:11	14:34
	79cm	44cm	92cm	44cm
小潮 出 04:21 入 19:08 出 12:16 入 23:38

函館（北海道）2018年07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
7/20 00:00	62.3	↓-2.0	最大潮位差
7/20 00:10	60.3	↓-2.0	最大潮位差
7/20 00:20	58.4	↓-1.9
7/20 00:30	56.5	↓-1.9
7/20 00:40	54.7	↓-1.8
7/20 00:50	53.0	↓-1.7
7/20 01:00	51.4	↓-1.6
7/20 01:10	49.9	↓-1.5
7/20 01:20	48.5	↓-1.4
7/20 01:30	47.3	↓-1.2
7/20 01:40	46.3	↓-1.0
7/20 01:50	45.4	↓-0.9
7/20 02:00	44.7	↓-0.7
7/20 02:10	44.1	↓-0.6
7/20 02:20	43.7	↓-0.4
7/20 02:30	43.4	↓-0.3
7/20 02:40	43.4	0	干潮
7/20 02:50	43.4	0
7/20 03:00	43.6	↑0.2
7/20 03:10	44.0	↑0.4
7/20 03:20	44.5	↑0.5
7/20 03:30	45.1	↑0.6
7/20 03:40	45.8	↑0.7
7/20 03:50	46.6	↑0.8
7/20 04:00	47.5	↑0.9
7/20 04:10	48.5	↑1.0
7/20 04:20	49.6	↑1.1
7/20 04:30	50.7	↑1.1
7/20 04:40	51.9	↑1.2
7/20 04:50	53.2	↑1.3
7/20 05:00	54.5	↑1.3
7/20 05:10	55.9	↑1.4
7/20 05:20	57.3	↑1.4
7/20 05:30	58.7	↑1.4
7/20 05:40	60.1	↑1.4
7/20 05:50	61.6	↑1.5
7/20 06:00	63.1	↑1.5
7/20 06:10	64.5	↑1.4
7/20 06:20	66.0	↑1.5
7/20 06:30	67.4	↑1.4
7/20 06:40	68.7	↑1.3
7/20 06:50	70.0	↑1.3
7/20 07:00	71.3	↑1.3
7/20 07:10	72.4	↑1.1
7/20 07:20	73.5	↑1.1
7/20 07:30	74.5	↑1.0
7/20 07:40	75.4	↑0.9
7/20 07:50	76.1	↑0.7
7/20 08:00	76.8	↑0.7
7/20 08:10	77.3	↑0.5
7/20 08:20	77.7	↑0.4
7/20 08:30	77.9	↑0.2
7/20 08:40	78.1	↑0.2	満潮
7/20 08:50	78.1	0
7/20 09:00	77.9	↓-0.2
7/20 09:10	77.7	↓-0.2
7/20 09:20	77.3	↓-0.4
7/20 09:30	76.8	↓-0.5
7/20 09:40	76.2	↓-0.6
7/20 09:50	75.4	↓-0.8
7/20 10:00	74.6	↓-0.8
7/20 10:10	73.7	↓-0.9
7/20 10:20	72.7	↓-1.0
7/20 10:30	71.5	↓-1.2
7/20 10:40	70.4	↓-1.1
7/20 10:50	69.1	↓-1.3
7/20 11:00	67.8	↓-1.3
7/20 11:10	66.4	↓-1.4
7/20 11:20	65.0	↓-1.4
7/20 11:30	63.5	↓-1.5
7/20 11:40	62.0	↓-1.5
7/20 11:50	60.5	↓-1.5
7/20 12:00	58.9	↓-1.6
7/20 12:10	57.4	↓-1.5
7/20 12:20	55.9	↓-1.5
7/20 12:30	54.4	↓-1.5
7/20 12:40	53.0	↓-1.4
7/20 12:50	51.6	↓-1.4
7/20 13:00	50.3	↓-1.3
7/20 13:10	49.1	↓-1.2
7/20 13:20	48.0	↓-1.1
7/20 13:30	47.0	↓-1.0
7/20 13:40	46.1	↓-0.9
7/20 13:50	45.4	↓-0.7
7/20 14:00	44.8	↓-0.6
7/20 14:10	44.4	↓-0.4
7/20 14:20	44.1	↓-0.3
7/20 14:30	44.0	↓-0.1	干潮
7/20 14:40	44.0	0
7/20 14:50	44.2	↑0.2
7/20 15:00	44.5	↑0.3
7/20 15:10	45.0	↑0.5
7/20 15:20	45.6	↑0.6
7/20 15:30	46.4	↑0.8
7/20 15:40	47.3	↑0.9
7/20 15:50	48.3	↑1.0
7/20 16:00	49.4	↑1.1
7/20 16:10	50.6	↑1.2
7/20 16:20	51.9	↑1.3
7/20 16:30	53.3	↑1.4
7/20 16:40	54.7	↑1.4
7/20 16:50	56.3	↑1.6
7/20 17:00	57.9	↑1.6
7/20 17:10	59.5	↑1.6
7/20 17:20	61.2	↑1.7
7/20 17:30	62.9	↑1.7
7/20 17:40	64.7	↑1.8
7/20 17:50	66.5	↑1.8
7/20 18:00	68.3	↑1.8
7/20 18:10	70.1	↑1.8
7/20 18:20	71.9	↑1.8
7/20 18:30	73.7	↑1.8
7/20 18:40	75.5	↑1.8
7/20 18:50	77.2	↑1.7
7/20 19:00	78.9	↑1.7
7/20 19:10	80.5	↑1.6
7/20 19:20	82.1	↑1.6
7/20 19:30	83.6	↑1.5
7/20 19:40	84.9	↑1.3
7/20 19:50	86.2	↑1.3
7/20 20:00	87.3	↑1.1
7/20 20:10	88.3	↑1.0
7/20 20:20	89.2	↑0.9
7/20 20:30	89.9	↑0.7
7/20 20:40	90.5	↑0.6
7/20 20:50	90.9	↑0.4
7/20 21:00	91.1	↑0.2
7/20 21:10	91.2	↑0.1	満潮
7/20 21:20	91.1	↓-0.1
7/20 21:30	90.9	↓-0.2
7/20 21:40	90.5	↓-0.4
7/20 21:50	89.9	↓-0.6
7/20 22:00	89.2	↓-0.7
7/20 22:10	88.4	↓-0.8
7/20 22:20	87.5	↓-0.9
7/20 22:30	86.4	↓-1.1
7/20 22:40	85.2	↓-1.2
7/20 22:50	83.9	↓-1.3
7/20 23:00	82.5	↓-1.4
7/20 23:10	81.0	↓-1.5
7/20 23:20	79.4	↓-1.6
7/20 23:30	77.7	↓-1.7
7/20 23:40	75.9	↓-1.8
7/20 23:50	74.1	↓-1.8