23 (月)	11:52	03:45	21:14	13:58
	70cm	34cm	86cm	69cm
長潮 出 05:25 入 17:36 出 23:28 入 13:54

函館（北海道）2019年09月23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
9/23 00:00	59.9	↓-1.9	最大潮位差
9/23 00:10	58.0	↓-1.9	最大潮位差
9/23 00:20	56.1	↓-1.9	最大潮位差
9/23 00:30	54.3	↓-1.8
9/23 00:40	52.4	↓-1.9	最大潮位差
9/23 00:50	50.6	↓-1.8
9/23 01:00	48.9	↓-1.7
9/23 01:10	47.1	↓-1.8
9/23 01:20	45.5	↓-1.6
9/23 01:30	43.9	↓-1.6
9/23 01:40	42.4	↓-1.5
9/23 01:50	41.0	↓-1.4
9/23 02:00	39.7	↓-1.3
9/23 02:10	38.5	↓-1.2
9/23 02:20	37.4	↓-1.1
9/23 02:30	36.5	↓-0.9
9/23 02:40	35.6	↓-0.9
9/23 02:50	34.9	↓-0.7
9/23 03:00	34.3	↓-0.6
9/23 03:10	33.8	↓-0.5
9/23 03:20	33.4	↓-0.4
9/23 03:30	33.2	↓-0.2
9/23 03:40	33.1	↓-0.1	干潮
9/23 03:50	33.1	0
9/23 04:00	33.2	↑0.1
9/23 04:10	33.4	↑0.2
9/23 04:20	33.7	↑0.3
9/23 04:30	34.1	↑0.4
9/23 04:40	34.6	↑0.5
9/23 04:50	35.2	↑0.6
9/23 05:00	35.8	↑0.6
9/23 05:10	36.5	↑0.7
9/23 05:20	37.2	↑0.7
9/23 05:30	38.0	↑0.8
9/23 05:40	38.8	↑0.8
9/23 05:50	39.6	↑0.8
9/23 06:00	40.5	↑0.9
9/23 06:10	41.5	↑1.0
9/23 06:20	42.5	↑1.0
9/23 06:30	43.5	↑1.0
9/23 06:40	44.6	↑1.1
9/23 06:50	45.7	↑1.1
9/23 07:00	46.8	↑1.1
9/23 07:10	48.0	↑1.2
9/23 07:20	49.2	↑1.2
9/23 07:30	50.4	↑1.2
9/23 07:40	51.6	↑1.2
9/23 07:50	52.9	↑1.3
9/23 08:00	54.1	↑1.2
9/23 08:10	55.4	↑1.3
9/23 08:20	56.7	↑1.3
9/23 08:30	57.9	↑1.2
9/23 08:40	59.1	↑1.2
9/23 08:50	60.3	↑1.2
9/23 09:00	61.4	↑1.1
9/23 09:10	62.4	↑1.0
9/23 09:20	63.4	↑1.0
9/23 09:30	64.3	↑0.9
9/23 09:40	65.2	↑0.9
9/23 09:50	66.0	↑0.8
9/23 10:00	66.7	↑0.7
9/23 10:10	67.3	↑0.6
9/23 10:20	67.8	↑0.5
9/23 10:30	68.3	↑0.5
9/23 10:40	68.7	↑0.4
9/23 10:50	69.0	↑0.3
9/23 11:00	69.2	↑0.2
9/23 11:10	69.4	↑0.2
9/23 11:20	69.6	↑0.2
9/23 11:30	69.7	↑0.1
9/23 11:40	69.7	0
9/23 11:50	69.7	0	満潮
9/23 12:00	69.7	0
9/23 12:10	69.7	0
9/23 12:20	69.6	↓-0.1
9/23 12:30	69.6	0
9/23 12:40	69.5	↓-0.1
9/23 12:50	69.4	↓-0.1
9/23 13:00	69.3	↓-0.1
9/23 13:10	69.2	↓-0.1
9/23 13:20	69.1	↓-0.1
9/23 13:30	69.1	0
9/23 13:40	69.0	↓-0.1
9/23 13:50	69.0	0	干潮
9/23 14:00	69.0	0
9/23 14:10	69.0	0
9/23 14:20	69.1	↑0.1
9/23 14:30	69.2	↑0.1
9/23 14:40	69.3	↑0.1
9/23 14:50	69.5	↑0.2
9/23 15:00	69.8	↑0.3
9/23 15:10	70.1	↑0.3
9/23 15:20	70.4	↑0.3
9/23 15:30	70.8	↑0.4
9/23 15:40	71.3	↑0.5
9/23 15:50	71.8	↑0.5
9/23 16:00	72.3	↑0.5
9/23 16:10	72.9	↑0.6
9/23 16:20	73.4	↑0.5
9/23 16:30	74.1	↑0.7
9/23 16:40	74.7	↑0.6
9/23 16:50	75.3	↑0.6
9/23 17:00	76.0	↑0.7
9/23 17:10	76.6	↑0.6
9/23 17:20	77.2	↑0.6
9/23 17:30	77.8	↑0.6
9/23 17:40	78.4	↑0.6
9/23 17:50	78.9	↑0.5
9/23 18:00	79.4	↑0.5
9/23 18:10	79.9	↑0.5
9/23 18:20	80.4	↑0.5
9/23 18:30	80.9	↑0.5
9/23 18:40	81.3	↑0.4
9/23 18:50	81.7	↑0.4
9/23 19:00	82.1	↑0.4
9/23 19:10	82.5	↑0.4
9/23 19:20	82.9	↑0.4
9/23 19:30	83.2	↑0.3
9/23 19:40	83.6	↑0.4
9/23 19:50	83.9	↑0.3
9/23 20:00	84.2	↑0.3
9/23 20:10	84.5	↑0.3
9/23 20:20	84.8	↑0.3
9/23 20:30	85.1	↑0.3
9/23 20:40	85.3	↑0.2
9/23 20:50	85.5	↑0.2
9/23 21:00	85.6	↑0.1
9/23 21:10	85.6	0	満潮
9/23 21:20	85.6	0
9/23 21:30	85.5	↓-0.1
9/23 21:40	85.3	↓-0.2
9/23 21:50	85.1	↓-0.2
9/23 22:00	84.7	↓-0.4
9/23 22:10	84.2	↓-0.5
9/23 22:20	83.7	↓-0.5
9/23 22:30	83.0	↓-0.7
9/23 22:40	82.2	↓-0.8
9/23 22:50	81.4	↓-0.8
9/23 23:00	80.4	↓-1.0
9/23 23:10	79.3	↓-1.1
9/23 23:20	78.2	↓-1.1
9/23 23:30	77.0	↓-1.2
9/23 23:40	75.7	↓-1.3
9/23 23:50	74.3	↓-1.4