15 (水)	07:35	01:28	23:13	15:12
	79cm	51cm	59cm	19cm
小潮 出 04:58 入 18:19 出 01:13 入 10:31 潮干狩り ○ 14:06～16:24

函館（北海道）2020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	53.2	↓-0.6
4/15 00:10	52.6	↓-0.6
4/15 00:20	52.1	↓-0.5
4/15 00:30	51.6	↓-0.5
4/15 00:40	51.2	↓-0.4
4/15 00:50	50.8	↓-0.4
4/15 01:00	50.5	↓-0.3
4/15 01:10	50.3	↓-0.2
4/15 01:20	50.2	↓-0.1	干潮
4/15 01:30	50.1	↓-0.1
4/15 01:40	50.2	↑0.1
4/15 01:50	50.4	↑0.2
4/15 02:00	50.7	↑0.3
4/15 02:10	51.1	↑0.4
4/15 02:20	51.6	↑0.5
4/15 02:30	52.2	↑0.6
4/15 02:40	52.9	↑0.7
4/15 02:50	53.7	↑0.8
4/15 03:00	54.5	↑0.8
4/15 03:10	55.5	↑1.0
4/15 03:20	56.5	↑1.0
4/15 03:30	57.5	↑1.0
4/15 03:40	58.6	↑1.1
4/15 03:50	59.7	↑1.1
4/15 04:00	60.9	↑1.2
4/15 04:10	62.0	↑1.1
4/15 04:20	63.2	↑1.2
4/15 04:30	64.4	↑1.2
4/15 04:40	65.6	↑1.2
4/15 04:50	66.7	↑1.1
4/15 05:00	67.9	↑1.2
4/15 05:10	69.0	↑1.1
4/15 05:20	70.1	↑1.1
4/15 05:30	71.1	↑1.0
4/15 05:40	72.1	↑1.0
4/15 05:50	73.1	↑1.0
4/15 06:00	74.0	↑0.9
4/15 06:10	74.9	↑0.9
4/15 06:20	75.7	↑0.8
4/15 06:30	76.4	↑0.7
4/15 06:40	77.0	↑0.6
4/15 06:50	77.5	↑0.5
4/15 07:00	78.0	↑0.5
4/15 07:10	78.3	↑0.3
4/15 07:20	78.6	↑0.3
4/15 07:30	78.7	↑0.1	満潮
4/15 07:40	78.7	0
4/15 07:50	78.5	↓-0.2
4/15 08:00	78.2	↓-0.3
4/15 08:10	77.8	↓-0.4
4/15 08:20	77.3	↓-0.5
4/15 08:30	76.6	↓-0.7
4/15 08:40	75.8	↓-0.8
4/15 08:50	74.8	↓-1.0
4/15 09:00	73.8	↓-1.0
4/15 09:10	72.6	↓-1.2
4/15 09:20	71.3	↓-1.3
4/15 09:30	69.9	↓-1.4
4/15 09:40	68.4	↓-1.5
4/15 09:50	66.8	↓-1.6
4/15 10:00	65.2	↓-1.6
4/15 10:10	63.4	↓-1.8
4/15 10:20	61.6	↓-1.8
4/15 10:30	59.8	↓-1.8
4/15 10:40	57.9	↓-1.9
4/15 10:50	55.9	↓-2.0
4/15 11:00	53.9	↓-2.0
4/15 11:10	51.9	↓-2.0
4/15 11:20	49.8	↓-2.1	最大潮位差
4/15 11:30	47.8	↓-2.0
4/15 11:40	45.7	↓-2.1	最大潮位差
4/15 11:50	43.7	↓-2.0
4/15 12:00	41.6	↓-2.1	最大潮位差
4/15 12:10	39.6	↓-2.0
4/15 12:20	37.6	↓-2.0
4/15 12:30	35.7	↓-1.9
4/15 12:40	33.8	↓-1.9
4/15 12:50	32.0	↓-1.8
4/15 13:00	30.3	↓-1.7
4/15 13:10	28.7	↓-1.6
4/15 13:20	27.1	↓-1.6
4/15 13:30	25.7	↓-1.4
4/15 13:40	24.4	↓-1.3
4/15 13:50	23.3	↓-1.1
4/15 14:00	22.3	↓-1.0
4/15 14:10	21.4	↓-0.9
4/15 14:20	20.6	↓-0.8
4/15 14:30	20.0	↓-0.6
4/15 14:40	19.6	↓-0.4
4/15 14:50	19.2	↓-0.4
4/15 15:00	19.0	↓-0.2
4/15 15:10	19.0	0	干潮
4/15 15:20	19.0	0
4/15 15:30	19.2	↑0.2
4/15 15:40	19.5	↑0.3
4/15 15:50	19.8	↑0.3
4/15 16:00	20.3	↑0.5
4/15 16:10	20.8	↑0.5
4/15 16:20	21.5	↑0.7
4/15 16:30	22.2	↑0.7
4/15 16:40	22.9	↑0.7
4/15 16:50	23.8	↑0.9
4/15 17:00	24.6	↑0.8
4/15 17:10	25.6	↑1.0
4/15 17:20	26.6	↑1.0
4/15 17:30	27.6	↑1.0
4/15 17:40	28.7	↑1.1
4/15 17:50	29.9	↑1.2
4/15 18:00	31.0	↑1.1
4/15 18:10	32.3	↑1.3
4/15 18:20	33.5	↑1.2
4/15 18:30	34.8	↑1.3
4/15 18:40	36.1	↑1.3
4/15 18:50	37.5	↑1.4
4/15 19:00	38.8	↑1.3
4/15 19:10	40.2	↑1.4
4/15 19:20	41.5	↑1.3
4/15 19:30	42.9	↑1.4
4/15 19:40	44.2	↑1.3
4/15 19:50	45.5	↑1.3
4/15 20:00	46.7	↑1.2
4/15 20:10	47.9	↑1.2
4/15 20:20	49.1	↑1.2
4/15 20:30	50.1	↑1.0
4/15 20:40	51.2	↑1.1
4/15 20:50	52.1	↑0.9
4/15 21:00	53.0	↑0.9
4/15 21:10	53.8	↑0.8
4/15 21:20	54.6	↑0.8
4/15 21:30	55.2	↑0.6
4/15 21:40	55.8	↑0.6
4/15 21:50	56.4	↑0.6
4/15 22:00	56.8	↑0.4
4/15 22:10	57.2	↑0.4
4/15 22:20	57.5	↑0.3
4/15 22:30	57.8	↑0.3
4/15 22:40	58.0	↑0.2
4/15 22:50	58.1	↑0.1
4/15 23:00	58.2	↑0.1
4/15 23:10	58.3	↑0.1	満潮
4/15 23:20	58.2	↓-0.1
4/15 23:30	58.2	0
4/15 23:40	58.1	↓-0.1
4/15 23:50	57.9	↓-0.2