3 (日)	00:27	07:58	14:32	20:26
	81cm	26cm	82cm	54cm
中潮 出 05:36 入 17:18 出 01:22 入 16:01

函館（北海道）2021年10月3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
10/3 00:00	80.1	↑0.4
10/3 00:10	80.4	↑0.3
10/3 00:20	80.5	↑0.1	満潮
10/3 00:30	80.5	0
10/3 00:40	80.4	↓-0.1
10/3 00:50	80.2	↓-0.2
10/3 01:00	79.8	↓-0.4
10/3 01:10	79.4	↓-0.4
10/3 01:20	78.8	↓-0.6
10/3 01:30	78.0	↓-0.8
10/3 01:40	77.2	↓-0.8
10/3 01:50	76.3	↓-0.9
10/3 02:00	75.2	↓-1.1
10/3 02:10	74.1	↓-1.1
10/3 02:20	72.9	↓-1.2
10/3 02:30	71.6	↓-1.3
10/3 02:40	70.2	↓-1.4
10/3 02:50	68.7	↓-1.5
10/3 03:00	67.1	↓-1.6
10/3 03:10	65.5	↓-1.6
10/3 03:20	63.8	↓-1.7
10/3 03:30	62.1	↓-1.7
10/3 03:40	60.3	↓-1.8
10/3 03:50	58.4	↓-1.9
10/3 04:00	56.6	↓-1.8
10/3 04:10	54.7	↓-1.9
10/3 04:20	52.8	↓-1.9
10/3 04:30	50.9	↓-1.9
10/3 04:40	48.9	↓-2.0
10/3 04:50	47.1	↓-1.8
10/3 05:00	45.2	↓-1.9
10/3 05:10	43.4	↓-1.8
10/3 05:20	41.6	↓-1.8
10/3 05:30	39.9	↓-1.7
10/3 05:40	38.2	↓-1.7
10/3 05:50	36.6	↓-1.6
10/3 06:00	35.1	↓-1.5
10/3 06:10	33.6	↓-1.5
10/3 06:20	32.3	↓-1.3
10/3 06:30	31.0	↓-1.3
10/3 06:40	29.9	↓-1.1
10/3 06:50	28.8	↓-1.1
10/3 07:00	27.9	↓-0.9
10/3 07:10	27.2	↓-0.7
10/3 07:20	26.5	↓-0.7
10/3 07:30	26.0	↓-0.5
10/3 07:40	25.6	↓-0.4
10/3 07:50	25.4	↓-0.2	干潮
10/3 08:00	25.4	0
10/3 08:10	25.5	↑0.1
10/3 08:20	25.8	↑0.3
10/3 08:30	26.3	↑0.5
10/3 08:40	27.0	↑0.7
10/3 08:50	27.8	↑0.8
10/3 09:00	28.9	↑1.1
10/3 09:10	30.1	↑1.2
10/3 09:20	31.5	↑1.4
10/3 09:30	33.1	↑1.6
10/3 09:40	34.8	↑1.7
10/3 09:50	36.7	↑1.9
10/3 10:00	38.7	↑2.0
10/3 10:10	40.8	↑2.1
10/3 10:20	43.0	↑2.2
10/3 10:30	45.4	↑2.4
10/3 10:40	47.7	↑2.3
10/3 10:50	50.1	↑2.4
10/3 11:00	52.6	↑2.5	最大潮位差
10/3 11:10	55.0	↑2.4
10/3 11:20	57.4	↑2.4
10/3 11:30	59.7	↑2.3
10/3 11:40	62.0	↑2.3
10/3 11:50	64.2	↑2.2
10/3 12:00	66.3	↑2.1
10/3 12:10	68.3	↑2.0
10/3 12:20	70.2	↑1.9
10/3 12:30	72.0	↑1.8
10/3 12:40	73.6	↑1.6
10/3 12:50	75.0	↑1.4
10/3 13:00	76.4	↑1.4
10/3 13:10	77.5	↑1.1
10/3 13:20	78.6	↑1.1
10/3 13:30	79.4	↑0.8
10/3 13:40	80.2	↑0.8
10/3 13:50	80.8	↑0.6
10/3 14:00	81.3	↑0.5
10/3 14:10	81.6	↑0.3
10/3 14:20	81.8	↑0.2
10/3 14:30	81.9	↑0.1	満潮
10/3 14:40	81.8	↓-0.1
10/3 14:50	81.7	↓-0.1
10/3 15:00	81.4	↓-0.3
10/3 15:10	81.0	↓-0.4
10/3 15:20	80.5	↓-0.5
10/3 15:30	79.9	↓-0.6
10/3 15:40	79.2	↓-0.7
10/3 15:50	78.5	↓-0.7
10/3 16:00	77.6	↓-0.9
10/3 16:10	76.7	↓-0.9
10/3 16:20	75.7	↓-1.0
10/3 16:30	74.6	↓-1.1
10/3 16:40	73.5	↓-1.1
10/3 16:50	72.3	↓-1.2
10/3 17:00	71.1	↓-1.2
10/3 17:10	69.9	↓-1.2
10/3 17:20	68.7	↓-1.2
10/3 17:30	67.4	↓-1.3
10/3 17:40	66.2	↓-1.2
10/3 17:50	64.9	↓-1.3
10/3 18:00	63.7	↓-1.2
10/3 18:10	62.5	↓-1.2
10/3 18:20	61.4	↓-1.1
10/3 18:30	60.3	↓-1.1
10/3 18:40	59.2	↓-1.1
10/3 18:50	58.2	↓-1.0
10/3 19:00	57.3	↓-0.9
10/3 19:10	56.5	↓-0.8
10/3 19:20	55.7	↓-0.8
10/3 19:30	55.0	↓-0.7
10/3 19:40	54.4	↓-0.6
10/3 19:50	53.9	↓-0.5
10/3 20:00	53.6	↓-0.3
10/3 20:10	53.3	↓-0.3
10/3 20:20	53.2	↓-0.1	干潮
10/3 20:30	53.2	0
10/3 20:40	53.3	↑0.1
10/3 20:50	53.6	↑0.3
10/3 21:00	54.1	↑0.5
10/3 21:10	54.6	↑0.5
10/3 21:20	55.4	↑0.8
10/3 21:30	56.3	↑0.9
10/3 21:40	57.3	↑1.0
10/3 21:50	58.4	↑1.1
10/3 22:00	59.7	↑1.3
10/3 22:10	61.1	↑1.4
10/3 22:20	62.6	↑1.5
10/3 22:30	64.2	↑1.6
10/3 22:40	65.9	↑1.7
10/3 22:50	67.6	↑1.7
10/3 23:00	69.3	↑1.7
10/3 23:10	71.1	↑1.8
10/3 23:20	72.8	↑1.7
10/3 23:30	74.5	↑1.7
10/3 23:40	76.2	↑1.7
10/3 23:50	77.8	↑1.6