31 (土)	09:48	02:51	22:27	16:32
	79cm	34cm	63cm	36cm
小潮 出 07:04 入 16:18 出 12:02 入 00:18

函館（北海道）2022年12月31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
12/31 00:00	50.4	↓-1.5
12/31 00:10	48.9	↓-1.5
12/31 00:20	47.4	↓-1.5
12/31 00:30	45.9	↓-1.5
12/31 00:40	44.4	↓-1.5
12/31 00:50	43.0	↓-1.4
12/31 01:00	41.6	↓-1.4
12/31 01:10	40.3	↓-1.3
12/31 01:20	39.1	↓-1.2
12/31 01:30	38.0	↓-1.1
12/31 01:40	37.0	↓-1.0
12/31 01:50	36.1	↓-0.9
12/31 02:00	35.4	↓-0.7
12/31 02:10	34.8	↓-0.6
12/31 02:20	34.3	↓-0.5
12/31 02:30	33.9	↓-0.4
12/31 02:40	33.7	↓-0.2
12/31 02:50	33.6	↓-0.1	干潮
12/31 03:00	33.7	↑0.1
12/31 03:10	33.9	↑0.2
12/31 03:20	34.2	↑0.3
12/31 03:30	34.7	↑0.5
12/31 03:40	35.2	↑0.5
12/31 03:50	35.9	↑0.7
12/31 04:00	36.7	↑0.8
12/31 04:10	37.6	↑0.9
12/31 04:20	38.6	↑1.0
12/31 04:30	39.7	↑1.1
12/31 04:40	40.8	↑1.1
12/31 04:50	42.0	↑1.2
12/31 05:00	43.3	↑1.3
12/31 05:10	44.7	↑1.4
12/31 05:20	46.1	↑1.4
12/31 05:30	47.5	↑1.4
12/31 05:40	49.0	↑1.5
12/31 05:50	50.5	↑1.5
12/31 06:00	52.1	↑1.6
12/31 06:10	53.7	↑1.6
12/31 06:20	55.4	↑1.7
12/31 06:30	57.0	↑1.6
12/31 06:40	58.7	↑1.7
12/31 06:50	60.4	↑1.7
12/31 07:00	62.0	↑1.6
12/31 07:10	63.7	↑1.7
12/31 07:20	65.3	↑1.6
12/31 07:30	66.8	↑1.5
12/31 07:40	68.3	↑1.5
12/31 07:50	69.8	↑1.5
12/31 08:00	71.2	↑1.4
12/31 08:10	72.5	↑1.3
12/31 08:20	73.6	↑1.1
12/31 08:30	74.7	↑1.1
12/31 08:40	75.7	↑1.0
12/31 08:50	76.5	↑0.8
12/31 09:00	77.3	↑0.8
12/31 09:10	77.8	↑0.5
12/31 09:20	78.3	↑0.5
12/31 09:30	78.6	↑0.3
12/31 09:40	78.8	↑0.2	満潮
12/31 09:50	78.8	0
12/31 10:00	78.7	↓-0.1
12/31 10:10	78.4	↓-0.3
12/31 10:20	78.0	↓-0.4
12/31 10:30	77.5	↓-0.5
12/31 10:40	76.9	↓-0.6
12/31 10:50	76.2	↓-0.7
12/31 11:00	75.3	↓-0.9
12/31 11:10	74.3	↓-1.0
12/31 11:20	73.2	↓-1.1
12/31 11:30	72.0	↓-1.2
12/31 11:40	70.7	↓-1.3
12/31 11:50	69.3	↓-1.4
12/31 12:00	67.9	↓-1.4
12/31 12:10	66.3	↓-1.6
12/31 12:20	64.7	↓-1.6
12/31 12:30	63.1	↓-1.6
12/31 12:40	61.4	↓-1.7
12/31 12:50	59.7	↓-1.7
12/31 13:00	57.9	↓-1.8	最大潮位差
12/31 13:10	56.2	↓-1.7
12/31 13:20	54.5	↓-1.7
12/31 13:30	52.7	↓-1.8	最大潮位差
12/31 13:40	51.0	↓-1.7
12/31 13:50	49.4	↓-1.6
12/31 14:00	47.8	↓-1.6
12/31 14:10	46.3	↓-1.5
12/31 14:20	44.9	↓-1.4
12/31 14:30	43.6	↓-1.3
12/31 14:40	42.3	↓-1.3
12/31 14:50	41.2	↓-1.1
12/31 15:00	40.2	↓-1.0
12/31 15:10	39.2	↓-1.0
12/31 15:20	38.4	↓-0.8
12/31 15:30	37.7	↓-0.7
12/31 15:40	37.2	↓-0.5
12/31 15:50	36.7	↓-0.5
12/31 16:00	36.3	↓-0.4
12/31 16:10	36.1	↓-0.2
12/31 16:20	35.9	↓-0.2
12/31 16:30	35.9	0	干潮
12/31 16:40	35.9	0
12/31 16:50	36.1	↑0.2
12/31 17:00	36.3	↑0.2
12/31 17:10	36.6	↑0.3
12/31 17:20	37.0	↑0.4
12/31 17:30	37.4	↑0.4
12/31 17:40	38.0	↑0.6
12/31 17:50	38.6	↑0.6
12/31 18:00	39.3	↑0.7
12/31 18:10	40.1	↑0.8
12/31 18:20	40.9	↑0.8
12/31 18:30	41.8	↑0.9
12/31 18:40	42.8	↑1.0
12/31 18:50	43.8	↑1.0
12/31 19:00	44.9	↑1.1
12/31 19:10	46.0	↑1.1
12/31 19:20	47.2	↑1.2
12/31 19:30	48.4	↑1.2
12/31 19:40	49.6	↑1.2
12/31 19:50	50.8	↑1.2
12/31 20:00	52.0	↑1.2
12/31 20:10	53.2	↑1.2
12/31 20:20	54.3	↑1.1
12/31 20:30	55.4	↑1.1
12/31 20:40	56.5	↑1.1
12/31 20:50	57.4	↑0.9
12/31 21:00	58.3	↑0.9
12/31 21:10	59.2	↑0.9
12/31 21:20	59.9	↑0.7
12/31 21:30	60.5	↑0.6
12/31 21:40	61.1	↑0.6
12/31 21:50	61.5	↑0.4
12/31 22:00	61.8	↑0.3
12/31 22:10	62.0	↑0.2
12/31 22:20	62.2	↑0.2	満潮
12/31 22:30	62.2	0
12/31 22:40	62.1	↓-0.1
12/31 22:50	61.9	↓-0.2
12/31 23:00	61.6	↓-0.3
12/31 23:10	61.2	↓-0.4
12/31 23:20	60.8	↓-0.4
12/31 23:30	60.3	↓-0.5
12/31 23:40	59.7	↓-0.6
12/31 23:50	59.0	↓-0.7