13 (水)	09:46	02:06	19:14	12:56
	72cm	23cm	96cm	68cm
小潮 出 05:47 入 17:01 出 13:25 入 22:24

函館（北海道）2021年10月13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
10/13 00:00	37.2	↓-2.2	最大潮位差
10/13 00:10	35.2	↓-2.0
10/13 00:20	33.2	↓-2.0
10/13 00:30	31.4	↓-1.8
10/13 00:40	29.7	↓-1.7
10/13 00:50	28.3	↓-1.4
10/13 01:00	26.9	↓-1.4
10/13 01:10	25.8	↓-1.1
10/13 01:20	24.9	↓-0.9
10/13 01:30	24.1	↓-0.8
10/13 01:40	23.6	↓-0.5
10/13 01:50	23.2	↓-0.4
10/13 02:00	23.0	↓-0.2	干潮
10/13 02:10	23.0	0
10/13 02:20	23.2	↑0.2
10/13 02:30	23.5	↑0.3
10/13 02:40	24.1	↑0.6
10/13 02:50	24.7	↑0.6
10/13 03:00	25.5	↑0.8
10/13 03:10	26.5	↑1.0
10/13 03:20	27.5	↑1.0
10/13 03:30	28.7	↑1.2
10/13 03:40	29.9	↑1.2
10/13 03:50	31.2	↑1.3
10/13 04:00	32.6	↑1.4
10/13 04:10	34.1	↑1.5
10/13 04:20	35.6	↑1.5
10/13 04:30	37.2	↑1.6
10/13 04:40	38.8	↑1.6
10/13 04:50	40.5	↑1.7
10/13 05:00	42.1	↑1.6
10/13 05:10	43.8	↑1.7
10/13 05:20	45.5	↑1.7
10/13 05:30	47.2	↑1.7
10/13 05:40	48.9	↑1.7
10/13 05:50	50.5	↑1.6
10/13 06:00	52.2	↑1.7
10/13 06:10	53.8	↑1.6
10/13 06:20	55.4	↑1.6
10/13 06:30	56.9	↑1.5
10/13 06:40	58.4	↑1.5
10/13 06:50	59.8	↑1.4
10/13 07:00	61.2	↑1.4
10/13 07:10	62.5	↑1.3
10/13 07:20	63.7	↑1.2
10/13 07:30	64.8	↑1.1
10/13 07:40	65.8	↑1.0
10/13 07:50	66.8	↑1.0
10/13 08:00	67.6	↑0.8
10/13 08:10	68.3	↑0.7
10/13 08:20	69.0	↑0.7
10/13 08:30	69.6	↑0.6
10/13 08:40	70.0	↑0.4
10/13 08:50	70.4	↑0.4
10/13 09:00	70.8	↑0.4
10/13 09:10	71.0	↑0.2
10/13 09:20	71.2	↑0.2
10/13 09:30	71.3	↑0.1
10/13 09:40	71.3	0	満潮
10/13 09:50	71.3	0
10/13 10:00	71.3	0
10/13 10:10	71.2	↓-0.1
10/13 10:20	71.1	↓-0.1
10/13 10:30	70.9	↓-0.2
10/13 10:40	70.7	↓-0.2
10/13 10:50	70.5	↓-0.2
10/13 11:00	70.2	↓-0.3
10/13 11:10	70.0	↓-0.2
10/13 11:20	69.7	↓-0.3
10/13 11:30	69.4	↓-0.3
10/13 11:40	69.1	↓-0.3
10/13 11:50	68.8	↓-0.3
10/13 12:00	68.5	↓-0.3
10/13 12:10	68.3	↓-0.2
10/13 12:20	68.1	↓-0.2
10/13 12:30	67.9	↓-0.2
10/13 12:40	67.8	↓-0.1
10/13 12:50	67.7	↓-0.1	干潮
10/13 13:00	67.7	0
10/13 13:10	67.8	↑0.1
10/13 13:20	68.0	↑0.2
10/13 13:30	68.2	↑0.2
10/13 13:40	68.5	↑0.3
10/13 13:50	68.9	↑0.4
10/13 14:00	69.4	↑0.5
10/13 14:10	70.0	↑0.6
10/13 14:20	70.7	↑0.7
10/13 14:30	71.5	↑0.8
10/13 14:40	72.4	↑0.9
10/13 14:50	73.3	↑0.9
10/13 15:00	74.3	↑1.0
10/13 15:10	75.3	↑1.0
10/13 15:20	76.4	↑1.1
10/13 15:30	77.5	↑1.1
10/13 15:40	78.7	↑1.2
10/13 15:50	79.8	↑1.1
10/13 16:00	81.0	↑1.2
10/13 16:10	82.1	↑1.1
10/13 16:20	83.3	↑1.2
10/13 16:30	84.4	↑1.1
10/13 16:40	85.5	↑1.1
10/13 16:50	86.6	↑1.1
10/13 17:00	87.6	↑1.0
10/13 17:10	88.6	↑1.0
10/13 17:20	89.5	↑0.9
10/13 17:30	90.4	↑0.9
10/13 17:40	91.3	↑0.9
10/13 17:50	92.0	↑0.7
10/13 18:00	92.7	↑0.7
10/13 18:10	93.4	↑0.7
10/13 18:20	93.9	↑0.5
10/13 18:30	94.4	↑0.5
10/13 18:40	94.8	↑0.4
10/13 18:50	95.1	↑0.3
10/13 19:00	95.3	↑0.2
10/13 19:10	95.4	↑0.1	満潮
10/13 19:20	95.4	0
10/13 19:30	95.2	↓-0.2
10/13 19:40	95.0	↓-0.2
10/13 19:50	94.6	↓-0.4
10/13 20:00	94.1	↓-0.5
10/13 20:10	93.4	↓-0.7
10/13 20:20	92.7	↓-0.7
10/13 20:30	91.8	↓-0.9
10/13 20:40	90.7	↓-1.1
10/13 20:50	89.6	↓-1.1
10/13 21:00	88.3	↓-1.3
10/13 21:10	86.9	↓-1.4
10/13 21:20	85.4	↓-1.5
10/13 21:30	83.8	↓-1.6
10/13 21:40	82.2	↓-1.6
10/13 21:50	80.4	↓-1.8
10/13 22:00	78.5	↓-1.9
10/13 22:10	76.6	↓-1.9
10/13 22:20	74.7	↓-1.9
10/13 22:30	72.7	↓-2.0
10/13 22:40	70.6	↓-2.1
10/13 22:50	68.5	↓-2.1
10/13 23:00	66.4	↓-2.1
10/13 23:10	64.2	↓-2.2	最大潮位差
10/13 23:20	62.1	↓-2.1
10/13 23:30	59.9	↓-2.2	最大潮位差
10/13 23:40	57.8	↓-2.1
10/13 23:50	55.6	↓-2.2	最大潮位差