20 (水)	07:59	02:06	20:35	14:00
	83cm	42cm	91cm	40cm
小潮 出 04:21 入 19:08 出 23:01 入 11:31

函館（北海道）2022年07月20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
7/20 00:00	55.1	↓-2.0
7/20 00:10	53.2	↓-1.9
7/20 00:20	51.5	↓-1.7
7/20 00:30	49.8	↓-1.7
7/20 00:40	48.3	↓-1.5
7/20 00:50	46.9	↓-1.4
7/20 01:00	45.6	↓-1.3
7/20 01:10	44.6	↓-1.0
7/20 01:20	43.7	↓-0.9
7/20 01:30	42.9	↓-0.8
7/20 01:40	42.4	↓-0.5
7/20 01:50	42.0	↓-0.4
7/20 02:00	41.9	↓-0.1	干潮
7/20 02:10	41.9	0
7/20 02:20	42.0	↑0.1
7/20 02:30	42.4	↑0.4
7/20 02:40	42.9	↑0.5
7/20 02:50	43.6	↑0.7
7/20 03:00	44.4	↑0.8
7/20 03:10	45.3	↑0.9
7/20 03:20	46.4	↑1.1
7/20 03:30	47.6	↑1.2
7/20 03:40	48.9	↑1.3
7/20 03:50	50.3	↑1.4
7/20 04:00	51.8	↑1.5
7/20 04:10	53.3	↑1.5
7/20 04:20	55.0	↑1.7
7/20 04:30	56.6	↑1.6
7/20 04:40	58.4	↑1.8
7/20 04:50	60.1	↑1.7
7/20 05:00	61.9	↑1.8
7/20 05:10	63.7	↑1.8
7/20 05:20	65.4	↑1.7
7/20 05:30	67.2	↑1.8
7/20 05:40	68.9	↑1.7
7/20 05:50	70.5	↑1.6
7/20 06:00	72.1	↑1.6
7/20 06:10	73.6	↑1.5
7/20 06:20	75.1	↑1.5
7/20 06:30	76.4	↑1.3
7/20 06:40	77.6	↑1.2
7/20 06:50	78.7	↑1.1
7/20 07:00	79.6	↑0.9
7/20 07:10	80.5	↑0.9
7/20 07:20	81.1	↑0.6
7/20 07:30	81.6	↑0.5
7/20 07:40	82.0	↑0.4
7/20 07:50	82.2	↑0.2	満潮
7/20 08:00	82.2	0
7/20 08:10	82.1	↓-0.1
7/20 08:20	81.8	↓-0.3
7/20 08:30	81.4	↓-0.4
7/20 08:40	80.9	↓-0.5
7/20 08:50	80.2	↓-0.7
7/20 09:00	79.3	↓-0.9
7/20 09:10	78.4	↓-0.9
7/20 09:20	77.3	↓-1.1
7/20 09:30	76.1	↓-1.2
7/20 09:40	74.8	↓-1.3
7/20 09:50	73.4	↓-1.4
7/20 10:00	71.9	↓-1.5
7/20 10:10	70.3	↓-1.6
7/20 10:20	68.7	↓-1.6
7/20 10:30	67.0	↓-1.7
7/20 10:40	65.3	↓-1.7
7/20 10:50	63.5	↓-1.8
7/20 11:00	61.6	↓-1.9
7/20 11:10	59.8	↓-1.8
7/20 11:20	57.9	↓-1.9
7/20 11:30	56.1	↓-1.8
7/20 11:40	54.2	↓-1.9
7/20 11:50	52.4	↓-1.8
7/20 12:00	50.7	↓-1.7
7/20 12:10	49.0	↓-1.7
7/20 12:20	47.4	↓-1.6
7/20 12:30	46.0	↓-1.4
7/20 12:40	44.6	↓-1.4
7/20 12:50	43.4	↓-1.2
7/20 13:00	42.3	↓-1.1
7/20 13:10	41.3	↓-1.0
7/20 13:20	40.6	↓-0.7
7/20 13:30	39.9	↓-0.7
7/20 13:40	39.5	↓-0.4
7/20 13:50	39.3	↓-0.2	干潮
7/20 14:00	39.2	↓-0.1	干潮
7/20 14:10	39.3	↑0.1
7/20 14:20	39.6	↑0.3
7/20 14:30	40.0	↑0.4
7/20 14:40	40.6	↑0.6
7/20 14:50	41.4	↑0.8
7/20 15:00	42.3	↑0.9
7/20 15:10	43.4	↑1.1
7/20 15:20	44.6	↑1.2
7/20 15:30	45.9	↑1.3
7/20 15:40	47.3	↑1.4
7/20 15:50	48.9	↑1.6
7/20 16:00	50.5	↑1.6
7/20 16:10	52.2	↑1.7
7/20 16:20	53.9	↑1.7
7/20 16:30	55.8	↑1.9
7/20 16:40	57.6	↑1.8
7/20 16:50	59.6	↑2.0
7/20 17:00	61.5	↑1.9
7/20 17:10	63.5	↑2.0
7/20 17:20	65.5	↑2.0
7/20 17:30	67.5	↑2.0
7/20 17:40	69.4	↑1.9
7/20 17:50	71.4	↑2.0
7/20 18:00	73.3	↑1.9
7/20 18:10	75.2	↑1.9
7/20 18:20	77.0	↑1.8
7/20 18:30	78.8	↑1.8
7/20 18:40	80.5	↑1.7
7/20 18:50	82.0	↑1.5
7/20 19:00	83.5	↑1.5
7/20 19:10	84.8	↑1.3
7/20 19:20	86.1	↑1.3
7/20 19:30	87.2	↑1.1
7/20 19:40	88.1	↑0.9
7/20 19:50	88.9	↑0.8
7/20 20:00	89.5	↑0.6
7/20 20:10	90.0	↑0.5
7/20 20:20	90.3	↑0.3
7/20 20:30	90.4	↑0.1	満潮
7/20 20:40	90.4	0
7/20 20:50	90.3	↓-0.1
7/20 21:00	89.9	↓-0.4
7/20 21:10	89.5	↓-0.4
7/20 21:20	88.8	↓-0.7
7/20 21:30	88.1	↓-0.7
7/20 21:40	87.1	↓-1.0
7/20 21:50	86.1	↓-1.0
7/20 22:00	84.9	↓-1.2
7/20 22:10	83.6	↓-1.3
7/20 22:20	82.2	↓-1.4
7/20 22:30	80.7	↓-1.5
7/20 22:40	79.1	↓-1.6
7/20 22:50	77.3	↓-1.8
7/20 23:00	75.5	↓-1.8
7/20 23:10	73.7	↓-1.8
7/20 23:20	71.7	↓-2.0
7/20 23:30	69.7	↓-2.0
7/20 23:40	67.7	↓-2.0
7/20 23:50	65.6	↓-2.1	最大潮位差