15 (金)	13:26	05:18	22:47	18:30
	77cm	34cm	81cm	71cm
長潮 出 05:50 入 16:58 出 14:50 入 -

函館（北海道）2021年10月15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
10/15 00:00	67.9	↓-1.6
10/15 00:10	66.3	↓-1.6
10/15 00:20	64.7	↓-1.6
10/15 00:30	63.1	↓-1.6
10/15 00:40	61.4	↓-1.7	最大潮位差
10/15 00:50	59.7	↓-1.7	最大潮位差
10/15 01:00	58.0	↓-1.7	最大潮位差
10/15 01:10	56.3	↓-1.7	最大潮位差
10/15 01:20	54.6	↓-1.7	最大潮位差
10/15 01:30	53.0	↓-1.6
10/15 01:40	51.3	↓-1.7	最大潮位差
10/15 01:50	49.7	↓-1.6
10/15 02:00	48.2	↓-1.5
10/15 02:10	46.7	↓-1.5
10/15 02:20	45.2	↓-1.5
10/15 02:30	43.8	↓-1.4
10/15 02:40	42.5	↓-1.3
10/15 02:50	41.3	↓-1.2
10/15 03:00	40.2	↓-1.1
10/15 03:10	39.1	↓-1.1
10/15 03:20	38.1	↓-1.0
10/15 03:30	37.3	↓-0.8
10/15 03:40	36.5	↓-0.8
10/15 03:50	35.8	↓-0.7
10/15 04:00	35.2	↓-0.6
10/15 04:10	34.6	↓-0.6
10/15 04:20	34.2	↓-0.4
10/15 04:30	33.8	↓-0.4
10/15 04:40	33.5	↓-0.3
10/15 04:50	33.3	↓-0.2
10/15 05:00	33.1	↓-0.2
10/15 05:10	33.1	0	干潮
10/15 05:20	33.1	0
10/15 05:30	33.1	0
10/15 05:40	33.2	↑0.1
10/15 05:50	33.5	↑0.3
10/15 06:00	33.7	↑0.2
10/15 06:10	34.1	↑0.4
10/15 06:20	34.6	↑0.5
10/15 06:30	35.1	↑0.5
10/15 06:40	35.7	↑0.6
10/15 06:50	36.4	↑0.7
10/15 07:00	37.3	↑0.9
10/15 07:10	38.2	↑0.9
10/15 07:20	39.2	↑1.0
10/15 07:30	40.3	↑1.1
10/15 07:40	41.4	↑1.1
10/15 07:50	42.7	↑1.3
10/15 08:00	44.0	↑1.3
10/15 08:10	45.4	↑1.4
10/15 08:20	46.8	↑1.4
10/15 08:30	48.3	↑1.5
10/15 08:40	49.9	↑1.6
10/15 08:50	51.4	↑1.5
10/15 09:00	53.0	↑1.6
10/15 09:10	54.5	↑1.5
10/15 09:20	56.1	↑1.6
10/15 09:30	57.6	↑1.5
10/15 09:40	59.1	↑1.5
10/15 09:50	60.6	↑1.5
10/15 10:00	62.0	↑1.4
10/15 10:10	63.4	↑1.4
10/15 10:20	64.7	↑1.3
10/15 10:30	65.9	↑1.2
10/15 10:40	67.1	↑1.2
10/15 10:50	68.3	↑1.2
10/15 11:00	69.3	↑1.0
10/15 11:10	70.3	↑1.0
10/15 11:20	71.2	↑0.9
10/15 11:30	72.1	↑0.9
10/15 11:40	72.9	↑0.8
10/15 11:50	73.6	↑0.7
10/15 12:00	74.2	↑0.6
10/15 12:10	74.8	↑0.6
10/15 12:20	75.3	↑0.5
10/15 12:30	75.7	↑0.4
10/15 12:40	76.0	↑0.3
10/15 12:50	76.3	↑0.3
10/15 13:00	76.5	↑0.2
10/15 13:10	76.6	↑0.1
10/15 13:20	76.7	↑0.1	満潮
10/15 13:30	76.7	0
10/15 13:40	76.6	↓-0.1
10/15 13:50	76.5	↓-0.1
10/15 14:00	76.4	↓-0.1
10/15 14:10	76.1	↓-0.3
10/15 14:20	75.9	↓-0.2
10/15 14:30	75.6	↓-0.3
10/15 14:40	75.4	↓-0.2
10/15 14:50	75.1	↓-0.3
10/15 15:00	74.7	↓-0.4
10/15 15:10	74.4	↓-0.3
10/15 15:20	74.1	↓-0.3
10/15 15:30	73.8	↓-0.3
10/15 15:40	73.5	↓-0.3
10/15 15:50	73.2	↓-0.3
10/15 16:00	72.9	↓-0.3
10/15 16:10	72.6	↓-0.3
10/15 16:20	72.3	↓-0.3
10/15 16:30	72.1	↓-0.2
10/15 16:40	71.9	↓-0.2
10/15 16:50	71.6	↓-0.3
10/15 17:00	71.4	↓-0.2
10/15 17:10	71.2	↓-0.2
10/15 17:20	71.0	↓-0.2
10/15 17:30	70.8	↓-0.2
10/15 17:40	70.7	↓-0.1
10/15 17:50	70.5	↓-0.2
10/15 18:00	70.4	↓-0.1
10/15 18:10	70.3	↓-0.1
10/15 18:20	70.3	0	干潮
10/15 18:30	70.2	↓-0.1	干潮
10/15 18:40	70.3	↑0.1
10/15 18:50	70.3	0
10/15 19:00	70.5	↑0.2
10/15 19:10	70.6	↑0.1
10/15 19:20	70.9	↑0.3
10/15 19:30	71.2	↑0.3
10/15 19:40	71.6	↑0.4
10/15 19:50	72.0	↑0.4
10/15 20:00	72.5	↑0.5
10/15 20:10	73.0	↑0.5
10/15 20:20	73.6	↑0.6
10/15 20:30	74.2	↑0.6
10/15 20:40	74.8	↑0.6
10/15 20:50	75.4	↑0.6
10/15 21:00	76.1	↑0.7
10/15 21:10	76.7	↑0.6
10/15 21:20	77.3	↑0.6
10/15 21:30	77.9	↑0.6
10/15 21:40	78.5	↑0.6
10/15 21:50	79.0	↑0.5
10/15 22:00	79.4	↑0.4
10/15 22:10	79.7	↑0.3
10/15 22:20	80.0	↑0.3
10/15 22:30	80.2	↑0.2
10/15 22:40	80.3	↑0.1	満潮
10/15 22:50	80.3	0
10/15 23:00	80.2	↓-0.1
10/15 23:10	80.0	↓-0.2
10/15 23:20	79.7	↓-0.3
10/15 23:30	79.4	↓-0.3
10/15 23:40	78.9	↓-0.5
10/15 23:50	78.3	↓-0.6