10 (火)	00:23	04:28	10:17	18:19
	57cm	53cm	62cm	24cm
長潮 出 05:07 入 18:13 出 02:06 入 12:08

函館（北海道）2018年04月10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
4/10 00:00	56.7	↑0.2
4/10 00:10	56.8	↑0.1
4/10 00:20	56.8	0	満潮
4/10 00:30	56.8	0
4/10 00:40	56.7	↓-0.1
4/10 00:50	56.6	↓-0.1
4/10 01:00	56.5	↓-0.1
4/10 01:10	56.3	↓-0.2
4/10 01:20	56.1	↓-0.2
4/10 01:30	55.8	↓-0.3
4/10 01:40	55.6	↓-0.2
4/10 01:50	55.3	↓-0.3
4/10 02:00	55.0	↓-0.3
4/10 02:10	54.7	↓-0.3
4/10 02:20	54.4	↓-0.3
4/10 02:30	54.0	↓-0.4
4/10 02:40	53.7	↓-0.3
4/10 02:50	53.5	↓-0.2
4/10 03:00	53.2	↓-0.3
4/10 03:10	53.0	↓-0.2
4/10 03:20	52.7	↓-0.3
4/10 03:30	52.6	↓-0.1
4/10 03:40	52.4	↓-0.2
4/10 03:50	52.3	↓-0.1
4/10 04:00	52.2	↓-0.1
4/10 04:10	52.1	↓-0.1
4/10 04:20	52.1	0	干潮
4/10 04:30	52.1	0
4/10 04:40	52.1	0
4/10 04:50	52.2	↑0.1
4/10 05:00	52.2	0
4/10 05:10	52.3	↑0.1
4/10 05:20	52.4	↑0.1
4/10 05:30	52.4	0
4/10 05:40	52.5	↑0.1
4/10 05:50	52.6	↑0.1
4/10 06:00	52.8	↑0.2
4/10 06:10	52.9	↑0.1
4/10 06:20	53.0	↑0.1
4/10 06:30	53.2	↑0.2
4/10 06:40	53.4	↑0.2
4/10 06:50	53.6	↑0.2
4/10 07:00	53.8	↑0.2
4/10 07:10	54.1	↑0.3
4/10 07:20	54.4	↑0.3
4/10 07:30	54.8	↑0.4
4/10 07:40	55.2	↑0.4
4/10 07:50	55.6	↑0.4
4/10 08:00	56.1	↑0.5
4/10 08:10	56.6	↑0.5
4/10 08:20	57.1	↑0.5
4/10 08:30	57.6	↑0.5
4/10 08:40	58.1	↑0.5
4/10 08:50	58.6	↑0.5
4/10 09:00	59.1	↑0.5
4/10 09:10	59.6	↑0.5
4/10 09:20	60.0	↑0.4
4/10 09:30	60.4	↑0.4
4/10 09:40	60.8	↑0.4
4/10 09:50	61.0	↑0.2
4/10 10:00	61.2	↑0.2
4/10 10:10	61.3	↑0.1	満潮
4/10 10:20	61.3	0
4/10 10:30	61.2	↓-0.1
4/10 10:40	61.0	↓-0.2
4/10 10:50	60.8	↓-0.2
4/10 11:00	60.4	↓-0.4
4/10 11:10	60.0	↓-0.4
4/10 11:20	59.4	↓-0.6
4/10 11:30	58.8	↓-0.6
4/10 11:40	58.1	↓-0.7
4/10 11:50	57.3	↓-0.8
4/10 12:00	56.5	↓-0.8
4/10 12:10	55.6	↓-0.9
4/10 12:20	54.6	↓-1.0
4/10 12:30	53.6	↓-1.0
4/10 12:40	52.5	↓-1.1
4/10 12:50	51.4	↓-1.1
4/10 13:00	50.2	↓-1.2
4/10 13:10	49.1	↓-1.1
4/10 13:20	47.8	↓-1.3
4/10 13:30	46.6	↓-1.2
4/10 13:40	45.3	↓-1.3
4/10 13:50	44.1	↓-1.2
4/10 14:00	42.8	↓-1.3
4/10 14:10	41.5	↓-1.3
4/10 14:20	40.2	↓-1.3
4/10 14:30	39.0	↓-1.2
4/10 14:40	37.7	↓-1.3
4/10 14:50	36.5	↓-1.2
4/10 15:00	35.3	↓-1.2
4/10 15:10	34.2	↓-1.1
4/10 15:20	33.1	↓-1.1
4/10 15:30	32.0	↓-1.1
4/10 15:40	31.0	↓-1.0
4/10 15:50	30.1	↓-0.9
4/10 16:00	29.2	↓-0.9
4/10 16:10	28.4	↓-0.8
4/10 16:20	27.7	↓-0.7
4/10 16:30	27.0	↓-0.7
4/10 16:40	26.4	↓-0.6
4/10 16:50	25.8	↓-0.6
4/10 17:00	25.3	↓-0.5
4/10 17:10	24.9	↓-0.4
4/10 17:20	24.5	↓-0.4
4/10 17:30	24.2	↓-0.3
4/10 17:40	24.0	↓-0.2
4/10 17:50	23.8	↓-0.2
4/10 18:00	23.6	↓-0.2
4/10 18:10	23.5	↓-0.1	干潮
4/10 18:20	23.5	0
4/10 18:30	23.6	↑0.1
4/10 18:40	23.7	↑0.1
4/10 18:50	23.9	↑0.2
4/10 19:00	24.2	↑0.3
4/10 19:10	24.5	↑0.3
4/10 19:20	25.0	↑0.5
4/10 19:30	25.5	↑0.5
4/10 19:40	26.2	↑0.7
4/10 19:50	26.9	↑0.7
4/10 20:00	27.8	↑0.9
4/10 20:10	28.8	↑1.0
4/10 20:20	29.8	↑1.0
4/10 20:30	31.0	↑1.2
4/10 20:40	32.2	↑1.2
4/10 20:50	33.5	↑1.3
4/10 21:00	34.9	↑1.4
4/10 21:10	36.3	↑1.4
4/10 21:20	37.8	↑1.5
4/10 21:30	39.3	↑1.5
4/10 21:40	40.9	↑1.6	最大潮位差
4/10 21:50	42.4	↑1.5
4/10 22:00	43.9	↑1.5
4/10 22:10	45.4	↑1.5
4/10 22:20	46.8	↑1.4
4/10 22:30	48.2	↑1.4
4/10 22:40	49.5	↑1.3
4/10 22:50	50.8	↑1.3
4/10 23:00	52.0	↑1.2
4/10 23:10	53.1	↑1.1
4/10 23:20	54.1	↑1.0
4/10 23:30	55.1	↑1.0
4/10 23:40	56.0	↑0.9
4/10 23:50	56.7	↑0.7