1 (月)	02:23	08:07	13:01	20:22
	65cm	43cm	68cm	16cm
若潮 出 05:22 入 18:03 出 03:40 入 13:56

函館（北海道）2019年04月1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
4/1 00:00	54.8	↑1.4
4/1 00:10	56.2	↑1.4
4/1 00:20	57.4	↑1.2
4/1 00:30	58.6	↑1.2
4/1 00:40	59.7	↑1.1
4/1 00:50	60.7	↑1.0
4/1 01:00	61.5	↑0.8
4/1 01:10	62.3	↑0.8
4/1 01:20	63.0	↑0.7
4/1 01:30	63.6	↑0.6
4/1 01:40	64.0	↑0.4
4/1 01:50	64.4	↑0.4
4/1 02:00	64.7	↑0.3
4/1 02:10	64.9	↑0.2
4/1 02:20	64.9	0	満潮
4/1 02:30	64.9	0
4/1 02:40	64.8	↓-0.1
4/1 02:50	64.6	↓-0.2
4/1 03:00	64.2	↓-0.4
4/1 03:10	63.8	↓-0.4
4/1 03:20	63.4	↓-0.4
4/1 03:30	62.8	↓-0.6
4/1 03:40	62.2	↓-0.6
4/1 03:50	61.5	↓-0.7
4/1 04:00	60.7	↓-0.8
4/1 04:10	59.9	↓-0.8
4/1 04:20	59.0	↓-0.9
4/1 04:30	58.1	↓-0.9
4/1 04:40	57.2	↓-0.9
4/1 04:50	56.2	↓-1.0
4/1 05:00	55.3	↓-0.9
4/1 05:10	54.3	↓-1.0
4/1 05:20	53.3	↓-1.0
4/1 05:30	52.3	↓-1.0
4/1 05:40	51.4	↓-0.9
4/1 05:50	50.4	↓-1.0
4/1 06:00	49.5	↓-0.9
4/1 06:10	48.6	↓-0.9
4/1 06:20	47.7	↓-0.9
4/1 06:30	46.8	↓-0.9
4/1 06:40	46.0	↓-0.8
4/1 06:50	45.3	↓-0.7
4/1 07:00	44.6	↓-0.7
4/1 07:10	44.0	↓-0.6
4/1 07:20	43.5	↓-0.5
4/1 07:30	43.0	↓-0.5
4/1 07:40	42.7	↓-0.3
4/1 07:50	42.5	↓-0.2
4/1 08:00	42.3	↓-0.2	干潮
4/1 08:10	42.3	0
4/1 08:20	42.4	↑0.1
4/1 08:30	42.7	↑0.3
4/1 08:40	43.1	↑0.4
4/1 08:50	43.6	↑0.5
4/1 09:00	44.3	↑0.7
4/1 09:10	45.0	↑0.7
4/1 09:20	45.9	↑0.9
4/1 09:30	47.0	↑1.1
4/1 09:40	48.1	↑1.1
4/1 09:50	49.3	↑1.2
4/1 10:00	50.6	↑1.3
4/1 10:10	51.9	↑1.3
4/1 10:20	53.3	↑1.4
4/1 10:30	54.6	↑1.3
4/1 10:40	56.0	↑1.4
4/1 10:50	57.4	↑1.4
4/1 11:00	58.7	↑1.3
4/1 11:10	60.0	↑1.3
4/1 11:20	61.2	↑1.2
4/1 11:30	62.4	↑1.2
4/1 11:40	63.4	↑1.0
4/1 11:50	64.3	↑0.9
4/1 12:00	65.1	↑0.8
4/1 12:10	65.8	↑0.7
4/1 12:20	66.4	↑0.6
4/1 12:30	66.9	↑0.5
4/1 12:40	67.2	↑0.3
4/1 12:50	67.4	↑0.2
4/1 13:00	67.4	0	満潮
4/1 13:10	67.4	0
4/1 13:20	67.2	↓-0.2
4/1 13:30	66.9	↓-0.3
4/1 13:40	66.5	↓-0.4
4/1 13:50	65.9	↓-0.6
4/1 14:00	65.3	↓-0.6
4/1 14:10	64.5	↓-0.8
4/1 14:20	63.6	↓-0.9
4/1 14:30	62.7	↓-0.9
4/1 14:40	61.6	↓-1.1
4/1 14:50	60.4	↓-1.2
4/1 15:00	59.2	↓-1.2
4/1 15:10	57.8	↓-1.4
4/1 15:20	56.4	↓-1.4
4/1 15:30	54.9	↓-1.5
4/1 15:40	53.4	↓-1.5
4/1 15:50	51.7	↓-1.7
4/1 16:00	50.0	↓-1.7
4/1 16:10	48.3	↓-1.7
4/1 16:20	46.5	↓-1.8
4/1 16:30	44.7	↓-1.8
4/1 16:40	42.9	↓-1.8
4/1 16:50	41.1	↓-1.8
4/1 17:00	39.2	↓-1.9
4/1 17:10	37.4	↓-1.8
4/1 17:20	35.6	↓-1.8
4/1 17:30	33.8	↓-1.8
4/1 17:40	32.1	↓-1.7
4/1 17:50	30.3	↓-1.8
4/1 18:00	28.7	↓-1.6
4/1 18:10	27.1	↓-1.6
4/1 18:20	25.5	↓-1.6
4/1 18:30	24.1	↓-1.4
4/1 18:40	22.7	↓-1.4
4/1 18:50	21.4	↓-1.3
4/1 19:00	20.2	↓-1.2
4/1 19:10	19.1	↓-1.1
4/1 19:20	18.1	↓-1.0
4/1 19:30	17.2	↓-0.9
4/1 19:40	16.5	↓-0.7
4/1 19:50	15.9	↓-0.6
4/1 20:00	15.5	↓-0.4
4/1 20:10	15.2	↓-0.3
4/1 20:20	15.1	↓-0.1	干潮
4/1 20:30	15.2	↑0.1
4/1 20:40	15.4	↑0.2
4/1 20:50	15.9	↑0.5
4/1 21:00	16.5	↑0.6
4/1 21:10	17.4	↑0.9
4/1 21:20	18.4	↑1.0
4/1 21:30	19.6	↑1.2
4/1 21:40	21.0	↑1.4
4/1 21:50	22.6	↑1.6
4/1 22:00	24.3	↑1.7
4/1 22:10	26.2	↑1.9
4/1 22:20	28.2	↑2.0
4/1 22:30	30.3	↑2.1
4/1 22:40	32.4	↑2.1
4/1 22:50	34.7	↑2.3	最大潮位差
4/1 23:00	37.0	↑2.3	最大潮位差
4/1 23:10	39.3	↑2.3	最大潮位差
4/1 23:20	41.6	↑2.3	最大潮位差
4/1 23:30	43.9	↑2.3	最大潮位差
4/1 23:40	46.2	↑2.3	最大潮位差
4/1 23:50	48.4	↑2.2