18 (木)	12:15	03:52	21:52	17:07
	74cm	39cm	74cm	68cm
長潮 出 05:53 入 16:54 出 13:54 入 23:58

函館（北海道）2018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	59.7	↓-1.5	最大潮位差
10/18 00:10	58.3	↓-1.4
10/18 00:20	56.8	↓-1.5	最大潮位差
10/18 00:30	55.4	↓-1.4
10/18 00:40	54.0	↓-1.4
10/18 00:50	52.6	↓-1.4
10/18 01:00	51.2	↓-1.4
10/18 01:10	49.8	↓-1.4
10/18 01:20	48.5	↓-1.3
10/18 01:30	47.2	↓-1.3
10/18 01:40	46.0	↓-1.2
10/18 01:50	44.9	↓-1.1
10/18 02:00	43.9	↓-1.0
10/18 02:10	42.9	↓-1.0
10/18 02:20	42.0	↓-0.9
10/18 02:30	41.2	↓-0.8
10/18 02:40	40.5	↓-0.7
10/18 02:50	39.9	↓-0.6
10/18 03:00	39.4	↓-0.5
10/18 03:10	39.0	↓-0.4
10/18 03:20	38.7	↓-0.3
10/18 03:30	38.4	↓-0.3
10/18 03:40	38.3	↓-0.1
10/18 03:50	38.3	0	干潮
10/18 04:00	38.3	0
10/18 04:10	38.4	↑0.1
10/18 04:20	38.5	↑0.1
10/18 04:30	38.8	↑0.3
10/18 04:40	39.0	↑0.2
10/18 04:50	39.4	↑0.4
10/18 05:00	39.8	↑0.4
10/18 05:10	40.2	↑0.4
10/18 05:20	40.7	↑0.5
10/18 05:30	41.2	↑0.5
10/18 05:40	41.7	↑0.5
10/18 05:50	42.4	↑0.7
10/18 06:00	43.0	↑0.6
10/18 06:10	43.7	↑0.7
10/18 06:20	44.5	↑0.8
10/18 06:30	45.3	↑0.8
10/18 06:40	46.2	↑0.9
10/18 06:50	47.1	↑0.9
10/18 07:00	48.1	↑1.0
10/18 07:10	49.2	↑1.1
10/18 07:20	50.2	↑1.0
10/18 07:30	51.4	↑1.2
10/18 07:40	52.5	↑1.1
10/18 07:50	53.7	↑1.2
10/18 08:00	55.0	↑1.3
10/18 08:10	56.2	↑1.2
10/18 08:20	57.4	↑1.2
10/18 08:30	58.7	↑1.3
10/18 08:40	59.9	↑1.2
10/18 08:50	61.1	↑1.2
10/18 09:00	62.2	↑1.1
10/18 09:10	63.3	↑1.1
10/18 09:20	64.4	↑1.1
10/18 09:30	65.4	↑1.0
10/18 09:40	66.4	↑1.0
10/18 09:50	67.3	↑0.9
10/18 10:00	68.1	↑0.8
10/18 10:10	68.9	↑0.8
10/18 10:20	69.6	↑0.7
10/18 10:30	70.2	↑0.6
10/18 10:40	70.8	↑0.6
10/18 10:50	71.3	↑0.5
10/18 11:00	71.8	↑0.5
10/18 11:10	72.2	↑0.4
10/18 11:20	72.5	↑0.3
10/18 11:30	72.8	↑0.3
10/18 11:40	73.0	↑0.2
10/18 11:50	73.2	↑0.2
10/18 12:00	73.3	↑0.1
10/18 12:10	73.3	0	満潮
10/18 12:20	73.3	0
10/18 12:30	73.3	0
10/18 12:40	73.2	↓-0.1
10/18 12:50	73.0	↓-0.2
10/18 13:00	72.8	↓-0.2
10/18 13:10	72.6	↓-0.2
10/18 13:20	72.3	↓-0.3
10/18 13:30	72.0	↓-0.3
10/18 13:40	71.7	↓-0.3
10/18 13:50	71.4	↓-0.3
10/18 14:00	71.0	↓-0.4
10/18 14:10	70.7	↓-0.3
10/18 14:20	70.3	↓-0.4
10/18 14:30	70.0	↓-0.3
10/18 14:40	69.7	↓-0.3
10/18 14:50	69.4	↓-0.3
10/18 15:00	69.1	↓-0.3
10/18 15:10	68.8	↓-0.3
10/18 15:20	68.6	↓-0.2
10/18 15:30	68.4	↓-0.2
10/18 15:40	68.3	↓-0.1
10/18 15:50	68.2	↓-0.1
10/18 16:00	68.0	↓-0.2
10/18 16:10	68.0	0
10/18 16:20	67.9	↓-0.1
10/18 16:30	67.9	0
10/18 16:40	67.8	↓-0.1
10/18 16:50	67.8	0
10/18 17:00	67.8	0	干潮
10/18 17:10	67.8	0
10/18 17:20	67.8	0
10/18 17:30	67.8	0
10/18 17:40	67.8	0
10/18 17:50	67.9	↑0.1
10/18 18:00	67.9	0
10/18 18:10	68.0	↑0.1
10/18 18:20	68.1	↑0.1
10/18 18:30	68.2	↑0.1
10/18 18:40	68.3	↑0.1
10/18 18:50	68.5	↑0.2
10/18 19:00	68.7	↑0.2
10/18 19:10	69.0	↑0.3
10/18 19:20	69.2	↑0.2
10/18 19:30	69.5	↑0.3
10/18 19:40	69.9	↑0.4
10/18 19:50	70.2	↑0.3
10/18 20:00	70.6	↑0.4
10/18 20:10	71.0	↑0.4
10/18 20:20	71.4	↑0.4
10/18 20:30	71.8	↑0.4
10/18 20:40	72.2	↑0.4
10/18 20:50	72.6	↑0.4
10/18 21:00	72.9	↑0.3
10/18 21:10	73.2	↑0.3
10/18 21:20	73.5	↑0.3
10/18 21:30	73.7	↑0.2
10/18 21:40	73.8	↑0.1
10/18 21:50	73.8	0	満潮
10/18 22:00	73.8	0
10/18 22:10	73.7	↓-0.1
10/18 22:20	73.5	↓-0.2
10/18 22:30	73.2	↓-0.3
10/18 22:40	72.9	↓-0.3
10/18 22:50	72.4	↓-0.5
10/18 23:00	71.9	↓-0.5
10/18 23:10	71.3	↓-0.6
10/18 23:20	70.7	↓-0.6
10/18 23:30	69.9	↓-0.8
10/18 23:40	69.2	↓-0.7
10/18 23:50	68.3	↓-0.9