9 (金)	08:34	01:42	18:43	12:45
	73cm	26cm	91cm	63cm
小潮 出 05:43 入 17:07 出 21:38 入 12:25

函館（北海道）2020年10月9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
10/9 00:00	34.7	↓-1.7
10/9 00:10	33.1	↓-1.6
10/9 00:20	31.6	↓-1.5
10/9 00:30	30.3	↓-1.3
10/9 00:40	29.1	↓-1.2
10/9 00:50	28.1	↓-1.0
10/9 01:00	27.3	↓-0.8
10/9 01:10	26.6	↓-0.7
10/9 01:20	26.1	↓-0.5
10/9 01:30	25.8	↓-0.3
10/9 01:40	25.7	↓-0.1	干潮
10/9 01:50	25.8	↑0.1
10/9 02:00	26.1	↑0.3
10/9 02:10	26.5	↑0.4
10/9 02:20	27.1	↑0.6
10/9 02:30	27.8	↑0.7
10/9 02:40	28.8	↑1.0
10/9 02:50	29.8	↑1.0
10/9 03:00	31.0	↑1.2
10/9 03:10	32.3	↑1.3
10/9 03:20	33.6	↑1.3
10/9 03:30	35.1	↑1.5
10/9 03:40	36.7	↑1.6
10/9 03:50	38.3	↑1.6
10/9 04:00	39.9	↑1.6
10/9 04:10	41.6	↑1.7
10/9 04:20	43.3	↑1.7
10/9 04:30	45.0	↑1.7
10/9 04:40	46.8	↑1.8
10/9 04:50	48.5	↑1.7
10/9 05:00	50.3	↑1.8
10/9 05:10	52.0	↑1.7
10/9 05:20	53.7	↑1.7
10/9 05:30	55.3	↑1.6
10/9 05:40	56.9	↑1.6
10/9 05:50	58.5	↑1.6
10/9 06:00	60.0	↑1.5
10/9 06:10	61.5	↑1.5
10/9 06:20	62.9	↑1.4
10/9 06:30	64.2	↑1.3
10/9 06:40	65.4	↑1.2
10/9 06:50	66.6	↑1.2
10/9 07:00	67.6	↑1.0
10/9 07:10	68.6	↑1.0
10/9 07:20	69.4	↑0.8
10/9 07:30	70.1	↑0.7
10/9 07:40	70.8	↑0.7
10/9 07:50	71.3	↑0.5
10/9 08:00	71.7	↑0.4
10/9 08:10	71.9	↑0.2
10/9 08:20	72.1	↑0.2
10/9 08:30	72.2	↑0.1	満潮
10/9 08:40	72.2	0
10/9 08:50	72.1	↓-0.1
10/9 09:00	71.9	↓-0.2
10/9 09:10	71.6	↓-0.3
10/9 09:20	71.3	↓-0.3
10/9 09:30	70.9	↓-0.4
10/9 09:40	70.5	↓-0.4
10/9 09:50	70.0	↓-0.5
10/9 10:00	69.5	↓-0.5
10/9 10:10	68.9	↓-0.6
10/9 10:20	68.4	↓-0.5
10/9 10:30	67.9	↓-0.5
10/9 10:40	67.3	↓-0.6
10/9 10:50	66.7	↓-0.6
10/9 11:00	66.2	↓-0.5
10/9 11:10	65.7	↓-0.5
10/9 11:20	65.2	↓-0.5
10/9 11:30	64.7	↓-0.5
10/9 11:40	64.3	↓-0.4
10/9 11:50	63.9	↓-0.4
10/9 12:00	63.5	↓-0.4
10/9 12:10	63.2	↓-0.3
10/9 12:20	63.0	↓-0.2
10/9 12:30	62.9	↓-0.1
10/9 12:40	62.8	↓-0.1	干潮
10/9 12:50	62.8	0
10/9 13:00	62.9	↑0.1
10/9 13:10	63.1	↑0.2
10/9 13:20	63.4	↑0.3
10/9 13:30	63.8	↑0.4
10/9 13:40	64.3	↑0.5
10/9 13:50	64.9	↑0.6
10/9 14:00	65.6	↑0.7
10/9 14:10	66.4	↑0.8
10/9 14:20	67.3	↑0.9
10/9 14:30	68.3	↑1.0
10/9 14:40	69.3	↑1.0
10/9 14:50	70.5	↑1.2
10/9 15:00	71.7	↑1.2
10/9 15:10	72.9	↑1.2
10/9 15:20	74.2	↑1.3
10/9 15:30	75.4	↑1.2
10/9 15:40	76.7	↑1.3
10/9 15:50	78.0	↑1.3
10/9 16:00	79.2	↑1.2
10/9 16:10	80.5	↑1.3
10/9 16:20	81.7	↑1.2
10/9 16:30	82.8	↑1.1
10/9 16:40	83.9	↑1.1
10/9 16:50	84.9	↑1.0
10/9 17:00	85.8	↑0.9
10/9 17:10	86.7	↑0.9
10/9 17:20	87.5	↑0.8
10/9 17:30	88.2	↑0.7
10/9 17:40	88.8	↑0.6
10/9 17:50	89.4	↑0.6
10/9 18:00	89.8	↑0.4
10/9 18:10	90.2	↑0.4
10/9 18:20	90.5	↑0.3
10/9 18:30	90.7	↑0.2
10/9 18:40	90.7	0	満潮
10/9 18:50	90.7	0
10/9 19:00	90.6	↓-0.1
10/9 19:10	90.3	↓-0.3
10/9 19:20	90.0	↓-0.3
10/9 19:30	89.5	↓-0.5
10/9 19:40	88.9	↓-0.6
10/9 19:50	88.2	↓-0.7
10/9 20:00	87.3	↓-0.9
10/9 20:10	86.4	↓-0.9
10/9 20:20	85.3	↓-1.1
10/9 20:30	84.1	↓-1.2
10/9 20:40	82.8	↓-1.3
10/9 20:50	81.4	↓-1.4
10/9 21:00	79.9	↓-1.5
10/9 21:10	78.3	↓-1.6
10/9 21:20	76.6	↓-1.7
10/9 21:30	74.9	↓-1.7
10/9 21:40	73.0	↓-1.9
10/9 21:50	71.1	↓-1.9
10/9 22:00	69.2	↓-1.9
10/9 22:10	67.2	↓-2.0
10/9 22:20	65.2	↓-2.0
10/9 22:30	63.2	↓-2.0
10/9 22:40	61.2	↓-2.0
10/9 22:50	59.2	↓-2.0
10/9 23:00	57.1	↓-2.1	最大潮位差
10/9 23:10	55.1	↓-2.0
10/9 23:20	53.1	↓-2.0
10/9 23:30	51.1	↓-2.0
10/9 23:40	49.2	↓-1.9
10/9 23:50	47.3	↓-1.9