30 (土)	12:35	04:21	22:20	18:34
	71cm	32cm	71cm	66cm
長潮 出 06:07 入 16:37 出 - 入 14:00

函館（北海道）2021年10月30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
10/30 00:00	56.6	↓-1.4
10/30 00:10	55.2	↓-1.4
10/30 00:20	53.8	↓-1.4
10/30 00:30	52.4	↓-1.4
10/30 00:40	51.0	↓-1.4
10/30 00:50	49.5	↓-1.5	最大潮位差
10/30 01:00	48.1	↓-1.4
10/30 01:10	46.7	↓-1.4
10/30 01:20	45.3	↓-1.4
10/30 01:30	44.0	↓-1.3
10/30 01:40	42.7	↓-1.3
10/30 01:50	41.4	↓-1.3
10/30 02:00	40.2	↓-1.2
10/30 02:10	39.0	↓-1.2
10/30 02:20	37.9	↓-1.1
10/30 02:30	36.9	↓-1.0
10/30 02:40	36.0	↓-0.9
10/30 02:50	35.1	↓-0.9
10/30 03:00	34.3	↓-0.8
10/30 03:10	33.7	↓-0.6
10/30 03:20	33.1	↓-0.6
10/30 03:30	32.6	↓-0.5
10/30 03:40	32.2	↓-0.4
10/30 03:50	31.9	↓-0.3
10/30 04:00	31.7	↓-0.2
10/30 04:10	31.5	↓-0.2
10/30 04:20	31.5	0	干潮
10/30 04:30	31.5	0
10/30 04:40	31.6	↑0.1
10/30 04:50	31.8	↑0.2
10/30 05:00	32.1	↑0.3
10/30 05:10	32.4	↑0.3
10/30 05:20	32.8	↑0.4
10/30 05:30	33.2	↑0.4
10/30 05:40	33.7	↑0.5
10/30 05:50	34.2	↑0.5
10/30 06:00	34.9	↑0.7
10/30 06:10	35.5	↑0.6
10/30 06:20	36.3	↑0.8
10/30 06:30	37.1	↑0.8
10/30 06:40	37.9	↑0.8
10/30 06:50	38.8	↑0.9
10/30 07:00	39.8	↑1.0
10/30 07:10	40.9	↑1.1
10/30 07:20	42.0	↑1.1
10/30 07:30	43.2	↑1.2
10/30 07:40	44.4	↑1.2
10/30 07:50	45.7	↑1.3
10/30 08:00	47.0	↑1.3
10/30 08:10	48.4	↑1.4
10/30 08:20	49.8	↑1.4
10/30 08:30	51.2	↑1.4
10/30 08:40	52.7	↑1.5	最大潮位差
10/30 08:50	54.1	↑1.4
10/30 09:00	55.5	↑1.4
10/30 09:10	56.9	↑1.4
10/30 09:20	58.2	↑1.3
10/30 09:30	59.5	↑1.3
10/30 09:40	60.8	↑1.3
10/30 09:50	62.0	↑1.2
10/30 10:00	63.1	↑1.1
10/30 10:10	64.1	↑1.0
10/30 10:20	65.1	↑1.0
10/30 10:30	66.0	↑0.9
10/30 10:40	66.8	↑0.8
10/30 10:50	67.5	↑0.7
10/30 11:00	68.2	↑0.7
10/30 11:10	68.8	↑0.6
10/30 11:20	69.3	↑0.5
10/30 11:30	69.7	↑0.4
10/30 11:40	70.0	↑0.3
10/30 11:50	70.3	↑0.3
10/30 12:00	70.6	↑0.3
10/30 12:10	70.7	↑0.1
10/30 12:20	70.8	↑0.1
10/30 12:30	70.9	↑0.1	満潮
10/30 12:40	70.9	0
10/30 12:50	70.8	↓-0.1
10/30 13:00	70.7	↓-0.1
10/30 13:10	70.6	↓-0.1
10/30 13:20	70.4	↓-0.2
10/30 13:30	70.2	↓-0.2
10/30 13:40	69.9	↓-0.3
10/30 13:50	69.7	↓-0.2
10/30 14:00	69.4	↓-0.3
10/30 14:10	69.1	↓-0.3
10/30 14:20	68.8	↓-0.3
10/30 14:30	68.5	↓-0.3
10/30 14:40	68.2	↓-0.3
10/30 14:50	67.9	↓-0.3
10/30 15:00	67.6	↓-0.3
10/30 15:10	67.3	↓-0.3
10/30 15:20	67.1	↓-0.2
10/30 15:30	66.8	↓-0.3
10/30 15:40	66.6	↓-0.2
10/30 15:50	66.4	↓-0.2
10/30 16:00	66.3	↓-0.1
10/30 16:10	66.1	↓-0.2
10/30 16:20	66.0	↓-0.1
10/30 16:30	65.9	↓-0.1
10/30 16:40	65.8	↓-0.1
10/30 16:50	65.8	0
10/30 17:00	65.7	↓-0.1
10/30 17:10	65.6	↓-0.1
10/30 17:20	65.6	0
10/30 17:30	65.5	↓-0.1
10/30 17:40	65.5	0
10/30 17:50	65.4	↓-0.1
10/30 18:00	65.4	0
10/30 18:10	65.4	0
10/30 18:20	65.3	↓-0.1
10/30 18:30	65.3	0	干潮
10/30 18:40	65.3	0
10/30 18:50	65.4	↑0.1
10/30 19:00	65.4	0
10/30 19:10	65.5	↑0.1
10/30 19:20	65.6	↑0.1
10/30 19:30	65.8	↑0.2
10/30 19:40	66.0	↑0.2
10/30 19:50	66.2	↑0.2
10/30 20:00	66.5	↑0.3
10/30 20:10	66.8	↑0.3
10/30 20:20	67.1	↑0.3
10/30 20:30	67.4	↑0.3
10/30 20:40	67.8	↑0.4
10/30 20:50	68.2	↑0.4
10/30 21:00	68.6	↑0.4
10/30 21:10	69.0	↑0.4
10/30 21:20	69.3	↑0.3
10/30 21:30	69.6	↑0.3
10/30 21:40	69.9	↑0.3
10/30 21:50	70.1	↑0.2
10/30 22:00	70.3	↑0.2
10/30 22:10	70.4	↑0.1	満潮
10/30 22:20	70.4	0	満潮
10/30 22:30	70.4	0
10/30 22:40	70.3	↓-0.1
10/30 22:50	70.0	↓-0.3
10/30 23:00	69.7	↓-0.3
10/30 23:10	69.4	↓-0.3
10/30 23:20	68.9	↓-0.5
10/30 23:30	68.3	↓-0.6
10/30 23:40	67.7	↓-0.6
10/30 23:50	66.9	↓-0.8