12 (日)	05:35	12:35	19:05	-
	93cm	1cm	71cm	-
中潮 出 05:03 入 18:16 出 23:18 入 07:51 潮干狩り ◎ 10:26～14:51

函館（北海道）2020年04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
4/12 00:00	32.8	↑0.2
4/12 00:10	33.2	↑0.4
4/12 00:20	33.9	↑0.7
4/12 00:30	34.7	↑0.8
4/12 00:40	35.8	↑1.1
4/12 00:50	37.1	↑1.3
4/12 01:00	38.6	↑1.5
4/12 01:10	40.3	↑1.7
4/12 01:20	42.2	↑1.9
4/12 01:30	44.2	↑2.0
4/12 01:40	46.4	↑2.2
4/12 01:50	48.7	↑2.3
4/12 02:00	51.1	↑2.4
4/12 02:10	53.7	↑2.6
4/12 02:20	56.3	↑2.6
4/12 02:30	58.9	↑2.6
4/12 02:40	61.6	↑2.7
4/12 02:50	64.3	↑2.7
4/12 03:00	67.1	↑2.8
4/12 03:10	69.7	↑2.6
4/12 03:20	72.4	↑2.7
4/12 03:30	74.9	↑2.5
4/12 03:40	77.4	↑2.5
4/12 03:50	79.8	↑2.4
4/12 04:00	82.0	↑2.2
4/12 04:10	84.1	↑2.1
4/12 04:20	86.0	↑1.9
4/12 04:30	87.7	↑1.7
4/12 04:40	89.1	↑1.4
4/12 04:50	90.4	↑1.3
4/12 05:00	91.4	↑1.0
4/12 05:10	92.2	↑0.8
4/12 05:20	92.7	↑0.5
4/12 05:30	92.9	↑0.2	満潮
4/12 05:40	92.9	0
4/12 05:50	92.6	↓-0.3
4/12 06:00	92.1	↓-0.5
4/12 06:10	91.3	↓-0.8
4/12 06:20	90.2	↓-1.1
4/12 06:30	89.0	↓-1.2
4/12 06:40	87.4	↓-1.6
4/12 06:50	85.7	↓-1.7
4/12 07:00	83.8	↓-1.9
4/12 07:10	81.6	↓-2.2
4/12 07:20	79.3	↓-2.3
4/12 07:30	76.9	↓-2.4
4/12 07:40	74.3	↓-2.6
4/12 07:50	71.5	↓-2.8
4/12 08:00	68.6	↓-2.9
4/12 08:10	65.6	↓-3.0
4/12 08:20	62.6	↓-3.0
4/12 08:30	59.4	↓-3.2
4/12 08:40	56.2	↓-3.2
4/12 08:50	52.9	↓-3.3
4/12 09:00	49.5	↓-3.4	最大潮位差
4/12 09:10	46.2	↓-3.3
4/12 09:20	42.8	↓-3.4	最大潮位差
4/12 09:30	39.5	↓-3.3
4/12 09:40	36.1	↓-3.4	最大潮位差
4/12 09:50	32.8	↓-3.3
4/12 10:00	29.6	↓-3.2
4/12 10:10	26.4	↓-3.2
4/12 10:20	23.3	↓-3.1
4/12 10:30	20.4	↓-2.9
4/12 10:40	17.6	↓-2.8
4/12 10:50	15.0	↓-2.6
4/12 11:00	12.5	↓-2.5
4/12 11:10	10.2	↓-2.3
4/12 11:20	8.2	↓-2.0
4/12 11:30	6.4	↓-1.8
4/12 11:40	4.8	↓-1.6
4/12 11:50	3.4	↓-1.4
4/12 12:00	2.4	↓-1.0
4/12 12:10	1.6	↓-0.8
4/12 12:20	1.1	↓-0.5
4/12 12:30	0.8	↓-0.3	干潮
4/12 12:40	0.8	0
4/12 12:50	1.1	↑0.3
4/12 13:00	1.6	↑0.5
4/12 13:10	2.4	↑0.8
4/12 13:20	3.5	↑1.1
4/12 13:30	4.7	↑1.2
4/12 13:40	6.2	↑1.5
4/12 13:50	7.9	↑1.7
4/12 14:00	9.8	↑1.9
4/12 14:10	11.8	↑2.0
4/12 14:20	14.0	↑2.2
4/12 14:30	16.4	↑2.4
4/12 14:40	18.9	↑2.5
4/12 14:50	21.5	↑2.6
4/12 15:00	24.2	↑2.7
4/12 15:10	26.9	↑2.7
4/12 15:20	29.7	↑2.8
4/12 15:30	32.6	↑2.9
4/12 15:40	35.4	↑2.8
4/12 15:50	38.3	↑2.9
4/12 16:00	41.1	↑2.8
4/12 16:10	43.9	↑2.8
4/12 16:20	46.7	↑2.8
4/12 16:30	49.3	↑2.6
4/12 16:40	51.9	↑2.6
4/12 16:50	54.3	↑2.4
4/12 17:00	56.6	↑2.3
4/12 17:10	58.8	↑2.2
4/12 17:20	60.8	↑2.0
4/12 17:30	62.6	↑1.8
4/12 17:40	64.2	↑1.6
4/12 17:50	65.7	↑1.5
4/12 18:00	67.0	↑1.3
4/12 18:10	68.1	↑1.1
4/12 18:20	69.0	↑0.9
4/12 18:30	69.7	↑0.7
4/12 18:40	70.2	↑0.5
4/12 18:50	70.5	↑0.3
4/12 19:00	70.6	↑0.1	満潮
4/12 19:10	70.6	0
4/12 19:20	70.5	↓-0.1
4/12 19:30	70.1	↓-0.4
4/12 19:40	69.7	↓-0.4
4/12 19:50	69.1	↓-0.6
4/12 20:00	68.3	↓-0.8
4/12 20:10	67.5	↓-0.8
4/12 20:20	66.5	↓-1.0
4/12 20:30	65.5	↓-1.0
4/12 20:40	64.3	↓-1.2
4/12 20:50	63.1	↓-1.2
4/12 21:00	61.8	↓-1.3
4/12 21:10	60.4	↓-1.4
4/12 21:20	59.0	↓-1.4
4/12 21:30	57.6	↓-1.4
4/12 21:40	56.1	↓-1.5
4/12 21:50	54.5	↓-1.6
4/12 22:00	53.0	↓-1.5
4/12 22:10	51.5	↓-1.5
4/12 22:20	50.0	↓-1.5
4/12 22:30	48.5	↓-1.5
4/12 22:40	47.1	↓-1.4
4/12 22:50	45.7	↓-1.4
4/12 23:00	44.4	↓-1.3
4/12 23:10	43.3	↓-1.1
4/12 23:20	42.2	↓-1.1
4/12 23:30	41.3	↓-0.9
4/12 23:40	40.6	↓-0.7
4/12 23:50	39.9	↓-0.7