19 (金)	07:47	01:25	20:48	14:34
	79cm	34cm	59cm	26cm
小潮 出 06:28 入 17:17 出 10:06 入 -

函館（北海道）2021年02月19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
2/19 00:00	39.1	↓-1.1
2/19 00:10	38.0	↓-1.1
2/19 00:20	37.1	↓-0.9
2/19 00:30	36.2	↓-0.9
2/19 00:40	35.5	↓-0.7
2/19 00:50	34.9	↓-0.6
2/19 01:00	34.4	↓-0.5
2/19 01:10	34.1	↓-0.3
2/19 01:20	34.0	↓-0.1	干潮
2/19 01:30	34.0	0
2/19 01:40	34.2	↑0.2
2/19 01:50	34.5	↑0.3
2/19 02:00	35.0	↑0.5
2/19 02:10	35.7	↑0.7
2/19 02:20	36.5	↑0.8
2/19 02:30	37.5	↑1.0
2/19 02:40	38.6	↑1.1
2/19 02:50	39.8	↑1.2
2/19 03:00	41.1	↑1.3
2/19 03:10	42.5	↑1.4
2/19 03:20	44.1	↑1.6
2/19 03:30	45.6	↑1.5
2/19 03:40	47.3	↑1.7
2/19 03:50	49.0	↑1.7
2/19 04:00	50.7	↑1.7
2/19 04:10	52.5	↑1.8
2/19 04:20	54.2	↑1.7
2/19 04:30	56.0	↑1.8
2/19 04:40	57.8	↑1.8
2/19 04:50	59.5	↑1.7
2/19 05:00	61.2	↑1.7
2/19 05:10	62.9	↑1.7
2/19 05:20	64.5	↑1.6
2/19 05:30	66.1	↑1.6
2/19 05:40	67.6	↑1.5
2/19 05:50	69.1	↑1.5
2/19 06:00	70.4	↑1.3
2/19 06:10	71.7	↑1.3
2/19 06:20	72.9	↑1.2
2/19 06:30	74.0	↑1.1
2/19 06:40	75.0	↑1.0
2/19 06:50	75.8	↑0.8
2/19 07:00	76.6	↑0.8
2/19 07:10	77.2	↑0.6
2/19 07:20	77.6	↑0.4
2/19 07:30	78.0	↑0.4
2/19 07:40	78.1	↑0.1	満潮
2/19 07:50	78.1	0
2/19 08:00	78.0	↓-0.1
2/19 08:10	77.7	↓-0.3
2/19 08:20	77.2	↓-0.5
2/19 08:30	76.6	↓-0.6
2/19 08:40	75.9	↓-0.7
2/19 08:50	75.0	↓-0.9
2/19 09:00	74.0	↓-1.0
2/19 09:10	72.8	↓-1.2
2/19 09:20	71.5	↓-1.3
2/19 09:30	70.1	↓-1.4
2/19 09:40	68.6	↓-1.5
2/19 09:50	67.1	↓-1.5
2/19 10:00	65.4	↓-1.7
2/19 10:10	63.7	↓-1.7
2/19 10:20	61.9	↓-1.8
2/19 10:30	60.0	↓-1.9
2/19 10:40	58.1	↓-1.9
2/19 10:50	56.2	↓-1.9
2/19 11:00	54.2	↓-2.0	最大潮位差
2/19 11:10	52.2	↓-2.0	最大潮位差
2/19 11:20	50.2	↓-2.0	最大潮位差
2/19 11:30	48.2	↓-2.0	最大潮位差
2/19 11:40	46.2	↓-2.0	最大潮位差
2/19 11:50	44.3	↓-1.9
2/19 12:00	42.3	↓-2.0	最大潮位差
2/19 12:10	40.5	↓-1.8
2/19 12:20	38.6	↓-1.9
2/19 12:30	36.9	↓-1.7
2/19 12:40	35.2	↓-1.7
2/19 12:50	33.7	↓-1.5
2/19 13:00	32.2	↓-1.5
2/19 13:10	30.9	↓-1.3
2/19 13:20	29.7	↓-1.2
2/19 13:30	28.6	↓-1.1
2/19 13:40	27.7	↓-0.9
2/19 13:50	26.9	↓-0.8
2/19 14:00	26.3	↓-0.6
2/19 14:10	25.8	↓-0.5
2/19 14:20	25.5	↓-0.3
2/19 14:30	25.4	↓-0.1	干潮
2/19 14:40	25.4	0
2/19 14:50	25.6	↑0.2
2/19 15:00	25.9	↑0.3
2/19 15:10	26.4	↑0.5
2/19 15:20	27.0	↑0.6
2/19 15:30	27.7	↑0.7
2/19 15:40	28.5	↑0.8
2/19 15:50	29.4	↑0.9
2/19 16:00	30.3	↑0.9
2/19 16:10	31.4	↑1.1
2/19 16:20	32.5	↑1.1
2/19 16:30	33.7	↑1.2
2/19 16:40	34.9	↑1.2
2/19 16:50	36.1	↑1.2
2/19 17:00	37.4	↑1.3
2/19 17:10	38.7	↑1.3
2/19 17:20	40.0	↑1.3
2/19 17:30	41.3	↑1.3
2/19 17:40	42.6	↑1.3
2/19 17:50	43.9	↑1.3
2/19 18:00	45.2	↑1.3
2/19 18:10	46.5	↑1.3
2/19 18:20	47.8	↑1.3
2/19 18:30	49.0	↑1.2
2/19 18:40	50.2	↑1.2
2/19 18:50	51.3	↑1.1
2/19 19:00	52.4	↑1.1
2/19 19:10	53.4	↑1.0
2/19 19:20	54.4	↑1.0
2/19 19:30	55.2	↑0.8
2/19 19:40	56.0	↑0.8
2/19 19:50	56.7	↑0.7
2/19 20:00	57.3	↑0.6
2/19 20:10	57.7	↑0.4
2/19 20:20	58.1	↑0.4
2/19 20:30	58.3	↑0.2
2/19 20:40	58.5	↑0.2	満潮
2/19 20:50	58.5	0
2/19 21:00	58.4	↓-0.1
2/19 21:10	58.2	↓-0.2
2/19 21:20	57.9	↓-0.3
2/19 21:30	57.5	↓-0.4
2/19 21:40	57.1	↓-0.4
2/19 21:50	56.5	↓-0.6
2/19 22:00	55.9	↓-0.6
2/19 22:10	55.2	↓-0.7
2/19 22:20	54.5	↓-0.7
2/19 22:30	53.7	↓-0.8
2/19 22:40	52.9	↓-0.8
2/19 22:50	52.0	↓-0.9
2/19 23:00	51.1	↓-0.9
2/19 23:10	50.3	↓-0.8
2/19 23:20	49.4	↓-0.9
2/19 23:30	48.5	↓-0.9
2/19 23:40	47.6	↓-0.9
2/19 23:50	46.7	↓-0.9