18 (火)	11:47	02:51	19:14	13:14
	71cm	34cm	80cm	71cm
小潮 出 05:53 入 16:54 出 22:51 入 13:41

函館（北海道）2022年10月18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
10/18 00:00	50.1	↓-1.7	最大潮位差
10/18 00:10	48.5	↓-1.6
10/18 00:20	46.9	↓-1.6
10/18 00:30	45.4	↓-1.5
10/18 00:40	43.9	↓-1.5
10/18 00:50	42.5	↓-1.4
10/18 01:00	41.2	↓-1.3
10/18 01:10	40.0	↓-1.2
10/18 01:20	38.9	↓-1.1
10/18 01:30	37.8	↓-1.1
10/18 01:40	36.9	↓-0.9
10/18 01:50	36.1	↓-0.8
10/18 02:00	35.5	↓-0.6
10/18 02:10	34.9	↓-0.6
10/18 02:20	34.5	↓-0.4
10/18 02:30	34.2	↓-0.3
10/18 02:40	34.0	↓-0.2
10/18 02:50	33.9	↓-0.1	干潮
10/18 03:00	34.0	↑0.1
10/18 03:10	34.2	↑0.2
10/18 03:20	34.4	↑0.2
10/18 03:30	34.8	↑0.4
10/18 03:40	35.2	↑0.4
10/18 03:50	35.7	↑0.5
10/18 04:00	36.3	↑0.6
10/18 04:10	37.0	↑0.7
10/18 04:20	37.7	↑0.7
10/18 04:30	38.5	↑0.8
10/18 04:40	39.3	↑0.8
10/18 04:50	40.2	↑0.9
10/18 05:00	41.1	↑0.9
10/18 05:10	42.0	↑0.9
10/18 05:20	43.0	↑1.0
10/18 05:30	44.0	↑1.0
10/18 05:40	45.1	↑1.1
10/18 05:50	46.2	↑1.1
10/18 06:00	47.3	↑1.1
10/18 06:10	48.4	↑1.1
10/18 06:20	49.5	↑1.1
10/18 06:30	50.7	↑1.2
10/18 06:40	51.8	↑1.1
10/18 06:50	53.0	↑1.2
10/18 07:00	54.2	↑1.2
10/18 07:10	55.3	↑1.1
10/18 07:20	56.5	↑1.2
10/18 07:30	57.6	↑1.1
10/18 07:40	58.7	↑1.1
10/18 07:50	59.8	↑1.1
10/18 08:00	60.9	↑1.1
10/18 08:10	61.8	↑0.9
10/18 08:20	62.8	↑1.0
10/18 08:30	63.7	↑0.9
10/18 08:40	64.5	↑0.8
10/18 08:50	65.3	↑0.8
10/18 09:00	66.0	↑0.7
10/18 09:10	66.6	↑0.6
10/18 09:20	67.2	↑0.6
10/18 09:30	67.7	↑0.5
10/18 09:40	68.2	↑0.5
10/18 09:50	68.6	↑0.4
10/18 10:00	69.0	↑0.4
10/18 10:10	69.3	↑0.3
10/18 10:20	69.6	↑0.3
10/18 10:30	69.8	↑0.2
10/18 10:40	70.0	↑0.2
10/18 10:50	70.2	↑0.2
10/18 11:00	70.3	↑0.1
10/18 11:10	70.4	↑0.1
10/18 11:20	70.4	0
10/18 11:30	70.5	↑0.1
10/18 11:40	70.5	0	満潮
10/18 11:50	70.5	0
10/18 12:00	70.5	0
10/18 12:10	70.5	0
10/18 12:20	70.4	↓-0.1
10/18 12:30	70.4	0
10/18 12:40	70.4	0
10/18 12:50	70.3	↓-0.1
10/18 13:00	70.3	0
10/18 13:10	70.3	0	干潮
10/18 13:20	70.3	0
10/18 13:30	70.3	0
10/18 13:40	70.4	↑0.1
10/18 13:50	70.5	↑0.1
10/18 14:00	70.6	↑0.1
10/18 14:10	70.8	↑0.2
10/18 14:20	71.0	↑0.2
10/18 14:30	71.3	↑0.3
10/18 14:40	71.6	↑0.3
10/18 14:50	71.9	↑0.3
10/18 15:00	72.3	↑0.4
10/18 15:10	72.7	↑0.4
10/18 15:20	73.1	↑0.4
10/18 15:30	73.6	↑0.5
10/18 15:40	74.1	↑0.5
10/18 15:50	74.5	↑0.4
10/18 16:00	75.0	↑0.5
10/18 16:10	75.5	↑0.5
10/18 16:20	75.9	↑0.4
10/18 16:30	76.4	↑0.5
10/18 16:40	76.8	↑0.4
10/18 16:50	77.2	↑0.4
10/18 17:00	77.5	↑0.3
10/18 17:10	77.9	↑0.4
10/18 17:20	78.2	↑0.3
10/18 17:30	78.4	↑0.2
10/18 17:40	78.6	↑0.2
10/18 17:50	78.8	↑0.2
10/18 18:00	79.0	↑0.2
10/18 18:10	79.2	↑0.2
10/18 18:20	79.3	↑0.1
10/18 18:30	79.4	↑0.1
10/18 18:40	79.5	↑0.1
10/18 18:50	79.5	0
10/18 19:00	79.6	↑0.1
10/18 19:10	79.6	0	満潮
10/18 19:20	79.6	0
10/18 19:30	79.6	0
10/18 19:40	79.5	↓-0.1
10/18 19:50	79.4	↓-0.1
10/18 20:00	79.3	↓-0.1
10/18 20:10	79.1	↓-0.2
10/18 20:20	78.8	↓-0.3
10/18 20:30	78.6	↓-0.2
10/18 20:40	78.2	↓-0.4
10/18 20:50	77.8	↓-0.4
10/18 21:00	77.3	↓-0.5
10/18 21:10	76.8	↓-0.5
10/18 21:20	76.2	↓-0.6
10/18 21:30	75.5	↓-0.7
10/18 21:40	74.8	↓-0.7
10/18 21:50	74.0	↓-0.8
10/18 22:00	73.2	↓-0.8
10/18 22:10	72.2	↓-1.0
10/18 22:20	71.3	↓-0.9
10/18 22:30	70.3	↓-1.0
10/18 22:40	69.2	↓-1.1
10/18 22:50	68.1	↓-1.1
10/18 23:00	66.9	↓-1.2
10/18 23:10	65.8	↓-1.1
10/18 23:20	64.5	↓-1.3
10/18 23:30	63.3	↓-1.2
10/18 23:40	62.0	↓-1.3
10/18 23:50	60.7	↓-1.3