12 (金)	03:50	09:27	14:57	21:55
	76cm	34cm	86cm	5cm
大潮 出 05:55 入 17:42 出 05:43 入 16:19

函館（北海道）2021年03月12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
3/12 00:00	33.8	↑3.0
3/12 00:10	36.8	↑3.0
3/12 00:20	39.7	↑2.9
3/12 00:30	42.7	↑3.0
3/12 00:40	45.6	↑2.9
3/12 00:50	48.4	↑2.8
3/12 01:00	51.2	↑2.8
3/12 01:10	53.8	↑2.6
3/12 01:20	56.4	↑2.6
3/12 01:30	58.8	↑2.4
3/12 01:40	61.0	↑2.2
3/12 01:50	63.1	↑2.1
3/12 02:00	65.0	↑1.9
3/12 02:10	66.8	↑1.8
3/12 02:20	68.4	↑1.6
3/12 02:30	69.9	↑1.5
3/12 02:40	71.1	↑1.2
3/12 02:50	72.2	↑1.1
3/12 03:00	73.2	↑1.0
3/12 03:10	73.9	↑0.7
3/12 03:20	74.5	↑0.6
3/12 03:30	74.9	↑0.4
3/12 03:40	75.2	↑0.3	満潮
3/12 03:50	75.2	0	満潮
3/12 04:00	75.1	↓-0.1
3/12 04:10	74.8	↓-0.3
3/12 04:20	74.4	↓-0.4
3/12 04:30	73.8	↓-0.6
3/12 04:40	73.0	↓-0.8
3/12 04:50	72.1	↓-0.9
3/12 05:00	71.1	↓-1.0
3/12 05:10	69.9	↓-1.2
3/12 05:20	68.5	↓-1.4
3/12 05:30	67.1	↓-1.4
3/12 05:40	65.5	↓-1.6
3/12 05:50	63.8	↓-1.7
3/12 06:00	62.1	↓-1.7
3/12 06:10	60.3	↓-1.8
3/12 06:20	58.4	↓-1.9
3/12 06:30	56.5	↓-1.9
3/12 06:40	54.6	↓-1.9
3/12 06:50	52.7	↓-1.9
3/12 07:00	50.7	↓-2.0
3/12 07:10	48.8	↓-1.9
3/12 07:20	47.0	↓-1.8
3/12 07:30	45.2	↓-1.8
3/12 07:40	43.5	↓-1.7
3/12 07:50	41.8	↓-1.7
3/12 08:00	40.3	↓-1.5
3/12 08:10	38.9	↓-1.4
3/12 08:20	37.6	↓-1.3
3/12 08:30	36.5	↓-1.1
3/12 08:40	35.5	↓-1.0
3/12 08:50	34.7	↓-0.8
3/12 09:00	34.1	↓-0.6
3/12 09:10	33.7	↓-0.4
3/12 09:20	33.5	↓-0.2	干潮
3/12 09:30	33.5	0
3/12 09:40	33.7	↑0.2
3/12 09:50	34.1	↑0.4
3/12 10:00	34.7	↑0.6
3/12 10:10	35.6	↑0.9
3/12 10:20	36.7	↑1.1
3/12 10:30	38.0	↑1.3
3/12 10:40	39.5	↑1.5
3/12 10:50	41.2	↑1.7
3/12 11:00	43.1	↑1.9
3/12 11:10	45.2	↑2.1
3/12 11:20	47.4	↑2.2
3/12 11:30	49.7	↑2.3
3/12 11:40	52.1	↑2.4
3/12 11:50	54.6	↑2.5
3/12 12:00	57.2	↑2.6
3/12 12:10	59.7	↑2.5
3/12 12:20	62.3	↑2.6
3/12 12:30	64.8	↑2.5
3/12 12:40	67.3	↑2.5
3/12 12:50	69.7	↑2.4
3/12 13:00	72.0	↑2.3
3/12 13:10	74.2	↑2.2
3/12 13:20	76.2	↑2.0
3/12 13:30	78.0	↑1.8
3/12 13:40	79.7	↑1.7
3/12 13:50	81.2	↑1.5
3/12 14:00	82.5	↑1.3
3/12 14:10	83.5	↑1.0
3/12 14:20	84.4	↑0.9
3/12 14:30	85.1	↑0.7
3/12 14:40	85.5	↑0.4
3/12 14:50	85.7	↑0.2	満潮
3/12 15:00	85.8	↑0.1
3/12 15:10	85.6	↓-0.2
3/12 15:20	85.2	↓-0.4
3/12 15:30	84.6	↓-0.6
3/12 15:40	83.8	↓-0.8
3/12 15:50	82.8	↓-1.0
3/12 16:00	81.7	↓-1.1
3/12 16:10	80.3	↓-1.4
3/12 16:20	78.8	↓-1.5
3/12 16:30	77.1	↓-1.7
3/12 16:40	75.3	↓-1.8
3/12 16:50	73.3	↓-2.0
3/12 17:00	71.1	↓-2.2
3/12 17:10	68.8	↓-2.3
3/12 17:20	66.4	↓-2.4
3/12 17:30	63.8	↓-2.6
3/12 17:40	61.1	↓-2.7
3/12 17:50	58.3	↓-2.8
3/12 18:00	55.5	↓-2.8
3/12 18:10	52.5	↓-3.0
3/12 18:20	49.5	↓-3.0
3/12 18:30	46.5	↓-3.0
3/12 18:40	43.5	↓-3.0
3/12 18:50	40.4	↓-3.1	最大潮位差
3/12 19:00	37.4	↓-3.0
3/12 19:10	34.4	↓-3.0
3/12 19:20	31.4	↓-3.0
3/12 19:30	28.5	↓-2.9
3/12 19:40	25.8	↓-2.7
3/12 19:50	23.1	↓-2.7
3/12 20:00	20.5	↓-2.6
3/12 20:10	18.1	↓-2.4
3/12 20:20	15.9	↓-2.2
3/12 20:30	13.8	↓-2.1
3/12 20:40	11.9	↓-1.9
3/12 20:50	10.2	↓-1.7
3/12 21:00	8.7	↓-1.5
3/12 21:10	7.5	↓-1.2
3/12 21:20	6.5	↓-1.0
3/12 21:30	5.7	↓-0.8
3/12 21:40	5.2	↓-0.5
3/12 21:50	5.0	↓-0.2	干潮
3/12 22:00	5.0	0
3/12 22:10	5.3	↑0.3
3/12 22:20	5.9	↑0.6
3/12 22:30	6.7	↑0.8
3/12 22:40	7.9	↑1.2
3/12 22:50	9.3	↑1.4
3/12 23:00	10.9	↑1.6
3/12 23:10	12.8	↑1.9
3/12 23:20	15.0	↑2.2
3/12 23:30	17.3	↑2.3
3/12 23:40	19.9	↑2.6
3/12 23:50	22.6	↑2.7