28 (日)	08:10	02:18	21:32	14:45
	78cm	48cm	80cm	29cm
小潮 出 04:07 入 19:17 出 11:23 入 23:58

函館（北海道）2020年06月28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
6/28 00:00	59.0	↓-1.5
6/28 00:10	57.6	↓-1.4
6/28 00:20	56.2	↓-1.4
6/28 00:30	54.9	↓-1.3
6/28 00:40	53.6	↓-1.3
6/28 00:50	52.4	↓-1.2
6/28 01:00	51.3	↓-1.1
6/28 01:10	50.4	↓-0.9
6/28 01:20	49.5	↓-0.9
6/28 01:30	48.8	↓-0.7
6/28 01:40	48.2	↓-0.6
6/28 01:50	47.7	↓-0.5
6/28 02:00	47.4	↓-0.3
6/28 02:10	47.2	↓-0.2	干潮
6/28 02:20	47.2	0
6/28 02:30	47.3	↑0.1
6/28 02:40	47.6	↑0.3
6/28 02:50	47.9	↑0.3
6/28 03:00	48.5	↑0.6
6/28 03:10	49.1	↑0.6
6/28 03:20	49.8	↑0.7
6/28 03:30	50.6	↑0.8
6/28 03:40	51.6	↑1.0
6/28 03:50	52.6	↑1.0
6/28 04:00	53.6	↑1.0
6/28 04:10	54.7	↑1.1
6/28 04:20	55.9	↑1.2
6/28 04:30	57.1	↑1.2
6/28 04:40	58.4	↑1.3
6/28 04:50	59.6	↑1.2
6/28 05:00	60.9	↑1.3
6/28 05:10	62.2	↑1.3
6/28 05:20	63.5	↑1.3
6/28 05:30	64.7	↑1.2
6/28 05:40	66.0	↑1.3
6/28 05:50	67.2	↑1.2
6/28 06:00	68.5	↑1.3
6/28 06:10	69.7	↑1.2
6/28 06:20	70.8	↑1.1
6/28 06:30	71.9	↑1.1
6/28 06:40	72.9	↑1.0
6/28 06:50	73.9	↑1.0
6/28 07:00	74.7	↑0.8
6/28 07:10	75.5	↑0.8
6/28 07:20	76.2	↑0.7
6/28 07:30	76.8	↑0.6
6/28 07:40	77.2	↑0.4
6/28 07:50	77.6	↑0.4
6/28 08:00	77.7	↑0.1	満潮
6/28 08:10	77.8	↑0.1	満潮
6/28 08:20	77.7	↓-0.1
6/28 08:30	77.5	↓-0.2
6/28 08:40	77.1	↓-0.4
6/28 08:50	76.6	↓-0.5
6/28 09:00	76.0	↓-0.6
6/28 09:10	75.2	↓-0.8
6/28 09:20	74.3	↓-0.9
6/28 09:30	73.3	↓-1.0
6/28 09:40	72.1	↓-1.2
6/28 09:50	70.8	↓-1.3
6/28 10:00	69.5	↓-1.3
6/28 10:10	68.0	↓-1.5
6/28 10:20	66.5	↓-1.5
6/28 10:30	64.8	↓-1.7
6/28 10:40	63.1	↓-1.7
6/28 10:50	61.4	↓-1.7
6/28 11:00	59.5	↓-1.9
6/28 11:10	57.7	↓-1.8
6/28 11:20	55.8	↓-1.9
6/28 11:30	53.9	↓-1.9
6/28 11:40	51.9	↓-2.0	最大潮位差
6/28 11:50	50.0	↓-1.9
6/28 12:00	48.0	↓-2.0	最大潮位差
6/28 12:10	46.1	↓-1.9
6/28 12:20	44.2	↓-1.9
6/28 12:30	42.4	↓-1.8
6/28 12:40	40.6	↓-1.8
6/28 12:50	38.9	↓-1.7
6/28 13:00	37.2	↓-1.7
6/28 13:10	35.7	↓-1.5
6/28 13:20	34.3	↓-1.4
6/28 13:30	33.0	↓-1.3
6/28 13:40	31.9	↓-1.1
6/28 13:50	30.9	↓-1.0
6/28 14:00	30.0	↓-0.9
6/28 14:10	29.4	↓-0.6
6/28 14:20	28.9	↓-0.5
6/28 14:30	28.6	↓-0.3
6/28 14:40	28.4	↓-0.2	干潮
6/28 14:50	28.4	0
6/28 15:00	28.6	↑0.2
6/28 15:10	29.0	↑0.4
6/28 15:20	29.5	↑0.5
6/28 15:30	30.2	↑0.7
6/28 15:40	31.0	↑0.8
6/28 15:50	31.9	↑0.9
6/28 16:00	33.0	↑1.1
6/28 16:10	34.2	↑1.2
6/28 16:20	35.5	↑1.3
6/28 16:30	36.9	↑1.4
6/28 16:40	38.3	↑1.4
6/28 16:50	39.9	↑1.6
6/28 17:00	41.5	↑1.6
6/28 17:10	43.2	↑1.7
6/28 17:20	45.0	↑1.8
6/28 17:30	46.8	↑1.8
6/28 17:40	48.6	↑1.8
6/28 17:50	50.5	↑1.9
6/28 18:00	52.4	↑1.9
6/28 18:10	54.3	↑1.9
6/28 18:20	56.2	↑1.9
6/28 18:30	58.1	↑1.9
6/28 18:40	60.0	↑1.9
6/28 18:50	61.9	↑1.9
6/28 19:00	63.8	↑1.9
6/28 19:10	65.6	↑1.8
6/28 19:20	67.4	↑1.8
6/28 19:30	69.0	↑1.6
6/28 19:40	70.6	↑1.6
6/28 19:50	72.1	↑1.5
6/28 20:00	73.5	↑1.4
6/28 20:10	74.8	↑1.3
6/28 20:20	75.9	↑1.1
6/28 20:30	76.9	↑1.0
6/28 20:40	77.8	↑0.9
6/28 20:50	78.5	↑0.7
6/28 21:00	79.1	↑0.6
6/28 21:10	79.5	↑0.4
6/28 21:20	79.7	↑0.2
6/28 21:30	79.8	↑0.1	満潮
6/28 21:40	79.7	↓-0.1
6/28 21:50	79.5	↓-0.2
6/28 22:00	79.2	↓-0.3
6/28 22:10	78.7	↓-0.5
6/28 22:20	78.0	↓-0.7
6/28 22:30	77.3	↓-0.7
6/28 22:40	76.4	↓-0.9
6/28 22:50	75.4	↓-1.0
6/28 23:00	74.4	↓-1.0
6/28 23:10	73.2	↓-1.2
6/28 23:20	71.9	↓-1.3
6/28 23:30	70.6	↓-1.3
6/28 23:40	69.2	↓-1.4
6/28 23:50	67.7	↓-1.5