15 (土)	01:42	03:33	10:12	18:38
	58cm	58cm	68cm	16cm
長潮 出 04:59 入 18:18 出 02:40 入 12:17 潮干狩り ○ 16:37～18:18

函館（北海道）2023年04月15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
4/15 00:00	55.6	↑0.4
4/15 00:10	56.1	↑0.5
4/15 00:20	56.4	↑0.3
4/15 00:30	56.8	↑0.4
4/15 00:40	57.0	↑0.2
4/15 00:50	57.2	↑0.2
4/15 01:00	57.4	↑0.2
4/15 01:10	57.6	↑0.2
4/15 01:20	57.6	0
4/15 01:30	57.7	↑0.1
4/15 01:40	57.7	0	満潮
4/15 01:50	57.7	0
4/15 02:00	57.7	0
4/15 02:10	57.6	↓-0.1
4/15 02:20	57.5	↓-0.1
4/15 02:30	57.5	0
4/15 02:40	57.4	↓-0.1
4/15 02:50	57.3	↓-0.1
4/15 03:00	57.3	0
4/15 03:10	57.2	↓-0.1
4/15 03:20	57.2	0
4/15 03:30	57.2	0	干潮
4/15 03:40	57.2	0
4/15 03:50	57.2	0
4/15 04:00	57.3	↑0.1
4/15 04:10	57.3	0
4/15 04:20	57.4	↑0.1
4/15 04:30	57.5	↑0.1
4/15 04:40	57.6	↑0.1
4/15 04:50	57.8	↑0.2
4/15 05:00	57.9	↑0.1
4/15 05:10	58.1	↑0.2
4/15 05:20	58.2	↑0.1
4/15 05:30	58.4	↑0.2
4/15 05:40	58.6	↑0.2
4/15 05:50	58.8	↑0.2
4/15 06:00	58.9	↑0.1
4/15 06:10	59.1	↑0.2
4/15 06:20	59.3	↑0.2
4/15 06:30	59.5	↑0.2
4/15 06:40	59.8	↑0.3
4/15 06:50	60.0	↑0.2
4/15 07:00	60.3	↑0.3
4/15 07:10	60.6	↑0.3
4/15 07:20	61.0	↑0.4
4/15 07:30	61.3	↑0.3
4/15 07:40	61.7	↑0.4
4/15 07:50	62.2	↑0.5
4/15 08:00	62.6	↑0.4
4/15 08:10	63.1	↑0.5
4/15 08:20	63.6	↑0.5
4/15 08:30	64.1	↑0.5
4/15 08:40	64.6	↑0.5
4/15 08:50	65.1	↑0.5
4/15 09:00	65.6	↑0.5
4/15 09:10	66.0	↑0.4
4/15 09:20	66.4	↑0.4
4/15 09:30	66.8	↑0.4
4/15 09:40	67.0	↑0.2
4/15 09:50	67.3	↑0.3
4/15 10:00	67.4	↑0.1
4/15 10:10	67.5	↑0.1	満潮
4/15 10:20	67.4	↓-0.1
4/15 10:30	67.3	↓-0.1
4/15 10:40	67.0	↓-0.3
4/15 10:50	66.7	↓-0.3
4/15 11:00	66.3	↓-0.4
4/15 11:10	65.7	↓-0.6
4/15 11:20	65.1	↓-0.6
4/15 11:30	64.3	↓-0.8
4/15 11:40	63.5	↓-0.8
4/15 11:50	62.5	↓-1.0
4/15 12:00	61.5	↓-1.0
4/15 12:10	60.4	↓-1.1
4/15 12:20	59.2	↓-1.2
4/15 12:30	58.0	↓-1.2
4/15 12:40	56.7	↓-1.3
4/15 12:50	55.3	↓-1.4
4/15 13:00	53.9	↓-1.4
4/15 13:10	52.4	↓-1.5
4/15 13:20	50.8	↓-1.6
4/15 13:30	49.3	↓-1.5
4/15 13:40	47.7	↓-1.6
4/15 13:50	46.1	↓-1.6
4/15 14:00	44.4	↓-1.7
4/15 14:10	42.8	↓-1.6
4/15 14:20	41.1	↓-1.7
4/15 14:30	39.4	↓-1.7
4/15 14:40	37.8	↓-1.6
4/15 14:50	36.2	↓-1.6
4/15 15:00	34.6	↓-1.6
4/15 15:10	33.0	↓-1.6
4/15 15:20	31.5	↓-1.5
4/15 15:30	30.0	↓-1.5
4/15 15:40	28.6	↓-1.4
4/15 15:50	27.2	↓-1.4
4/15 16:00	25.9	↓-1.3
4/15 16:10	24.7	↓-1.2
4/15 16:20	23.5	↓-1.2
4/15 16:30	22.4	↓-1.1
4/15 16:40	21.4	↓-1.0
4/15 16:50	20.5	↓-0.9
4/15 17:00	19.6	↓-0.9
4/15 17:10	18.9	↓-0.7
4/15 17:20	18.1	↓-0.8
4/15 17:30	17.5	↓-0.6
4/15 17:40	17.0	↓-0.5
4/15 17:50	16.5	↓-0.5
4/15 18:00	16.1	↓-0.4
4/15 18:10	15.8	↓-0.3
4/15 18:20	15.6	↓-0.2
4/15 18:30	15.5	↓-0.1	干潮
4/15 18:40	15.4	↓-0.1
4/15 18:50	15.5	↑0.1
4/15 19:00	15.7	↑0.2
4/15 19:10	16.0	↑0.3
4/15 19:20	16.4	↑0.4
4/15 19:30	17.0	↑0.6
4/15 19:40	17.6	↑0.6
4/15 19:50	18.4	↑0.8
4/15 20:00	19.3	↑0.9
4/15 20:10	20.4	↑1.1
4/15 20:20	21.5	↑1.1
4/15 20:30	22.8	↑1.3
4/15 20:40	24.2	↑1.4
4/15 20:50	25.7	↑1.5
4/15 21:00	27.2	↑1.5
4/15 21:10	28.9	↑1.7
4/15 21:20	30.6	↑1.7
4/15 21:30	32.4	↑1.8
4/15 21:40	34.2	↑1.8
4/15 21:50	36.0	↑1.8
4/15 22:00	37.8	↑1.8
4/15 22:10	39.7	↑1.9	最大潮位差
4/15 22:20	41.5	↑1.8
4/15 22:30	43.2	↑1.7
4/15 22:40	44.9	↑1.7
4/15 22:50	46.6	↑1.7
4/15 23:00	48.2	↑1.6
4/15 23:10	49.7	↑1.5
4/15 23:20	51.2	↑1.5
4/15 23:30	52.5	↑1.3
4/15 23:40	53.8	↑1.3
4/15 23:50	55.0	↑1.2