21 (木)	09:04	03:10	22:11	15:21
	74cm	47cm	82cm	35cm
小潮 出 04:04 入 19:16 出 12:17 入 00:05

函館（北海道）2018年06月21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
6/21 00:00	65.7	↓-1.5
6/21 00:10	64.2	↓-1.5
6/21 00:20	62.7	↓-1.5
6/21 00:30	61.1	↓-1.6
6/21 00:40	59.6	↓-1.5
6/21 00:50	58.1	↓-1.5
6/21 01:00	56.7	↓-1.4
6/21 01:10	55.3	↓-1.4
6/21 01:20	54.0	↓-1.3
6/21 01:30	52.8	↓-1.2
6/21 01:40	51.7	↓-1.1
6/21 01:50	50.7	↓-1.0
6/21 02:00	49.8	↓-0.9
6/21 02:10	49.0	↓-0.8
6/21 02:20	48.3	↓-0.7
6/21 02:30	47.8	↓-0.5
6/21 02:40	47.4	↓-0.4
6/21 02:50	47.1	↓-0.3
6/21 03:00	47.0	↓-0.1	干潮
6/21 03:10	46.9	↓-0.1	干潮
6/21 03:20	47.0	↑0.1
6/21 03:30	47.2	↑0.2
6/21 03:40	47.5	↑0.3
6/21 03:50	47.8	↑0.3
6/21 04:00	48.3	↑0.5
6/21 04:10	48.8	↑0.5
6/21 04:20	49.4	↑0.6
6/21 04:30	50.1	↑0.7
6/21 04:40	50.8	↑0.7
6/21 04:50	51.6	↑0.8
6/21 05:00	52.5	↑0.9
6/21 05:10	53.4	↑0.9
6/21 05:20	54.3	↑0.9
6/21 05:30	55.3	↑1.0
6/21 05:40	56.3	↑1.0
6/21 05:50	57.4	↑1.1
6/21 06:00	58.5	↑1.1
6/21 06:10	59.6	↑1.1
6/21 06:20	60.7	↑1.1
6/21 06:30	61.8	↑1.1
6/21 06:40	62.9	↑1.1
6/21 06:50	64.1	↑1.2
6/21 07:00	65.2	↑1.1
6/21 07:10	66.2	↑1.0
6/21 07:20	67.3	↑1.1
6/21 07:30	68.2	↑0.9
6/21 07:40	69.1	↑0.9
6/21 07:50	70.0	↑0.9
6/21 08:00	70.7	↑0.7
6/21 08:10	71.4	↑0.7
6/21 08:20	72.0	↑0.6
6/21 08:30	72.4	↑0.4
6/21 08:40	72.7	↑0.3
6/21 08:50	73.0	↑0.3
6/21 09:00	73.1	↑0.1	満潮
6/21 09:10	73.0	↓-0.1
6/21 09:20	72.9	↓-0.1
6/21 09:30	72.6	↓-0.3
6/21 09:40	72.2	↓-0.4
6/21 09:50	71.8	↓-0.4
6/21 10:00	71.1	↓-0.7
6/21 10:10	70.4	↓-0.7
6/21 10:20	69.6	↓-0.8
6/21 10:30	68.7	↓-0.9
6/21 10:40	67.7	↓-1.0
6/21 10:50	66.6	↓-1.1
6/21 11:00	65.4	↓-1.2
6/21 11:10	64.1	↓-1.3
6/21 11:20	62.7	↓-1.4
6/21 11:30	61.3	↓-1.4
6/21 11:40	59.9	↓-1.4
6/21 11:50	58.4	↓-1.5
6/21 12:00	56.8	↓-1.6
6/21 12:10	55.2	↓-1.6
6/21 12:20	53.6	↓-1.6
6/21 12:30	52.0	↓-1.6
6/21 12:40	50.3	↓-1.7
6/21 12:50	48.7	↓-1.6
6/21 13:00	47.1	↓-1.6
6/21 13:10	45.6	↓-1.5
6/21 13:20	44.1	↓-1.5
6/21 13:30	42.7	↓-1.4
6/21 13:40	41.3	↓-1.4
6/21 13:50	40.1	↓-1.2
6/21 14:00	38.9	↓-1.2
6/21 14:10	37.9	↓-1.0
6/21 14:20	37.0	↓-0.9
6/21 14:30	36.2	↓-0.8
6/21 14:40	35.6	↓-0.6
6/21 14:50	35.1	↓-0.5
6/21 15:00	34.7	↓-0.4
6/21 15:10	34.5	↓-0.2
6/21 15:20	34.5	0	干潮
6/21 15:30	34.5	0
6/21 15:40	34.8	↑0.3
6/21 15:50	35.1	↑0.3
6/21 16:00	35.5	↑0.4
6/21 16:10	36.1	↑0.6
6/21 16:20	36.8	↑0.7
6/21 16:30	37.6	↑0.8
6/21 16:40	38.5	↑0.9
6/21 16:50	39.5	↑1.0
6/21 17:00	40.6	↑1.1
6/21 17:10	41.7	↑1.1
6/21 17:20	43.0	↑1.3
6/21 17:30	44.3	↑1.3
6/21 17:40	45.7	↑1.4
6/21 17:50	47.2	↑1.5
6/21 18:00	48.7	↑1.5
6/21 18:10	50.3	↑1.6
6/21 18:20	52.0	↑1.7
6/21 18:30	53.7	↑1.7
6/21 18:40	55.4	↑1.7
6/21 18:50	57.2	↑1.8	最大潮位差
6/21 19:00	59.0	↑1.8	最大潮位差
6/21 19:10	60.8	↑1.8	最大潮位差
6/21 19:20	62.6	↑1.8	最大潮位差
6/21 19:30	64.4	↑1.8	最大潮位差
6/21 19:40	66.2	↑1.8	最大潮位差
6/21 19:50	67.9	↑1.7
6/21 20:00	69.6	↑1.7
6/21 20:10	71.2	↑1.6
6/21 20:20	72.7	↑1.5
6/21 20:30	74.1	↑1.4
6/21 20:40	75.4	↑1.3
6/21 20:50	76.6	↑1.2
6/21 21:00	77.7	↑1.1
6/21 21:10	78.6	↑0.9
6/21 21:20	79.4	↑0.8
6/21 21:30	80.1	↑0.7
6/21 21:40	80.6	↑0.5
6/21 21:50	81.0	↑0.4
6/21 22:00	81.2	↑0.2
6/21 22:10	81.3	↑0.1	満潮
6/21 22:20	81.2	↓-0.1
6/21 22:30	81.0	↓-0.2
6/21 22:40	80.7	↓-0.3
6/21 22:50	80.2	↓-0.5
6/21 23:00	79.6	↓-0.6
6/21 23:10	78.9	↓-0.7
6/21 23:20	78.1	↓-0.8
6/21 23:30	77.1	↓-1.0
6/21 23:40	76.1	↓-1.0
6/21 23:50	75.0	↓-1.1