18 (火)	11:14	03:27	21:06	14:29
	73cm	41cm	87cm	69cm
小潮 出 05:21 入 17:44 出 13:48 入 23:26

函館（北海道）2018年09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
9/18 00:00	63.1	↓-1.9	最大潮位差
9/18 00:10	61.3	↓-1.8
9/18 00:20	59.5	↓-1.8
9/18 00:30	57.7	↓-1.8
9/18 00:40	55.9	↓-1.8
9/18 00:50	54.2	↓-1.7
9/18 01:00	52.5	↓-1.7
9/18 01:10	51.0	↓-1.5
9/18 01:20	49.5	↓-1.5
9/18 01:30	48.0	↓-1.5
9/18 01:40	46.7	↓-1.3
9/18 01:50	45.5	↓-1.2
9/18 02:00	44.4	↓-1.1
9/18 02:10	43.5	↓-0.9
9/18 02:20	42.6	↓-0.9
9/18 02:30	41.9	↓-0.7
9/18 02:40	41.3	↓-0.6
9/18 02:50	40.8	↓-0.5
9/18 03:00	40.5	↓-0.3
9/18 03:10	40.3	↓-0.2
9/18 03:20	40.1	↓-0.2	干潮
9/18 03:30	40.1	0
9/18 03:40	40.2	↑0.1
9/18 03:50	40.4	↑0.2
9/18 04:00	40.7	↑0.3
9/18 04:10	41.0	↑0.3
9/18 04:20	41.5	↑0.5
9/18 04:30	41.9	↑0.4
9/18 04:40	42.5	↑0.6
9/18 04:50	43.1	↑0.6
9/18 05:00	43.7	↑0.6
9/18 05:10	44.4	↑0.7
9/18 05:20	45.2	↑0.8
9/18 05:30	46.0	↑0.8
9/18 05:40	46.8	↑0.8
9/18 05:50	47.7	↑0.9
9/18 06:00	48.6	↑0.9
9/18 06:10	49.6	↑1.0
9/18 06:20	50.6	↑1.0
9/18 06:30	51.6	↑1.0
9/18 06:40	52.7	↑1.1
9/18 06:50	53.8	↑1.1
9/18 07:00	54.9	↑1.1
9/18 07:10	56.0	↑1.1
9/18 07:20	57.2	↑1.2
9/18 07:30	58.3	↑1.1
9/18 07:40	59.5	↑1.2
9/18 07:50	60.6	↑1.1
9/18 08:00	61.7	↑1.1
9/18 08:10	62.8	↑1.1
9/18 08:20	63.9	↑1.1
9/18 08:30	64.8	↑0.9
9/18 08:40	65.8	↑1.0
9/18 08:50	66.7	↑0.9
9/18 09:00	67.5	↑0.8
9/18 09:10	68.3	↑0.8
9/18 09:20	69.0	↑0.7
9/18 09:30	69.6	↑0.6
9/18 09:40	70.2	↑0.6
9/18 09:50	70.6	↑0.4
9/18 10:00	71.1	↑0.5
9/18 10:10	71.4	↑0.3
9/18 10:20	71.7	↑0.3
9/18 10:30	72.0	↑0.3
9/18 10:40	72.1	↑0.1
9/18 10:50	72.3	↑0.2
9/18 11:00	72.4	↑0.1
9/18 11:10	72.4	0	満潮
9/18 11:20	72.4	0
9/18 11:30	72.3	↓-0.1
9/18 11:40	72.2	↓-0.1
9/18 11:50	72.1	↓-0.1
9/18 12:00	71.9	↓-0.2
9/18 12:10	71.7	↓-0.2
9/18 12:20	71.5	↓-0.2
9/18 12:30	71.3	↓-0.2
9/18 12:40	71.0	↓-0.3
9/18 12:50	70.7	↓-0.3
9/18 13:00	70.5	↓-0.2
9/18 13:10	70.2	↓-0.3
9/18 13:20	69.9	↓-0.3
9/18 13:30	69.6	↓-0.3
9/18 13:40	69.4	↓-0.2
9/18 13:50	69.2	↓-0.2
9/18 14:00	69.0	↓-0.2
9/18 14:10	68.9	↓-0.1
9/18 14:20	68.8	↓-0.1	干潮
9/18 14:30	68.8	0
9/18 14:40	68.9	↑0.1
9/18 14:50	69.0	↑0.1
9/18 15:00	69.1	↑0.1
9/18 15:10	69.3	↑0.2
9/18 15:20	69.6	↑0.3
9/18 15:30	69.9	↑0.3
9/18 15:40	70.3	↑0.4
9/18 15:50	70.7	↑0.4
9/18 16:00	71.2	↑0.5
9/18 16:10	71.7	↑0.5
9/18 16:20	72.2	↑0.5
9/18 16:30	72.7	↑0.5
9/18 16:40	73.3	↑0.6
9/18 16:50	73.9	↑0.6
9/18 17:00	74.4	↑0.5
9/18 17:10	75.0	↑0.6
9/18 17:20	75.6	↑0.6
9/18 17:30	76.2	↑0.6
9/18 17:40	76.7	↑0.5
9/18 17:50	77.3	↑0.6
9/18 18:00	77.9	↑0.6
9/18 18:10	78.5	↑0.6
9/18 18:20	79.0	↑0.5
9/18 18:30	79.6	↑0.6
9/18 18:40	80.2	↑0.6
9/18 18:50	80.8	↑0.6
9/18 19:00	81.4	↑0.6
9/18 19:10	82.0	↑0.6
9/18 19:20	82.5	↑0.5
9/18 19:30	83.1	↑0.6
9/18 19:40	83.6	↑0.5
9/18 19:50	84.1	↑0.5
9/18 20:00	84.6	↑0.5
9/18 20:10	85.0	↑0.4
9/18 20:20	85.4	↑0.4
9/18 20:30	85.8	↑0.4
9/18 20:40	86.0	↑0.2
9/18 20:50	86.2	↑0.2
9/18 21:00	86.3	↑0.1	満潮
9/18 21:10	86.3	0
9/18 21:20	86.2	↓-0.1
9/18 21:30	86.0	↓-0.2
9/18 21:40	85.7	↓-0.3
9/18 21:50	85.3	↓-0.4
9/18 22:00	84.8	↓-0.5
9/18 22:10	84.2	↓-0.6
9/18 22:20	83.6	↓-0.6
9/18 22:30	82.8	↓-0.8
9/18 22:40	81.9	↓-0.9
9/18 22:50	81.0	↓-0.9
9/18 23:00	80.0	↓-1.0
9/18 23:10	78.9	↓-1.1
9/18 23:20	77.8	↓-1.1
9/18 23:30	76.5	↓-1.3
9/18 23:40	75.3	↓-1.2
9/18 23:50	74.0	↓-1.3