9 (土)	05:18	11:07	16:51	23:43
	95cm	41cm	107cm	12cm
中潮 出 05:43 入 17:08 出 08:44 入 18:51

函館（北海道）2021年10月9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
10/9 00:00	17.1	↑1.5
10/9 00:10	18.9	↑1.8
10/9 00:20	20.9	↑2.0
10/9 00:30	23.1	↑2.2
10/9 00:40	25.6	↑2.5
10/9 00:50	28.2	↑2.6
10/9 01:00	31.1	↑2.9
10/9 01:10	34.1	↑3.0
10/9 01:20	37.2	↑3.1
10/9 01:30	40.5	↑3.3
10/9 01:40	43.9	↑3.4
10/9 01:50	47.3	↑3.4
10/9 02:00	50.8	↑3.5
10/9 02:10	54.3	↑3.5
10/9 02:20	57.8	↑3.5
10/9 02:30	61.3	↑3.5
10/9 02:40	64.7	↑3.4
10/9 02:50	68.1	↑3.4
10/9 03:00	71.3	↑3.2
10/9 03:10	74.4	↑3.1
10/9 03:20	77.3	↑2.9
10/9 03:30	80.0	↑2.7
10/9 03:40	82.6	↑2.6
10/9 03:50	84.9	↑2.3
10/9 04:00	87.0	↑2.1
10/9 04:10	88.9	↑1.9
10/9 04:20	90.5	↑1.6
10/9 04:30	91.8	↑1.3
10/9 04:40	92.9	↑1.1
10/9 04:50	93.7	↑0.8
10/9 05:00	94.2	↑0.5
10/9 05:10	94.5	↑0.3	満潮
10/9 05:20	94.6	↑0.1
10/9 05:30	94.4	↓-0.2
10/9 05:40	94.0	↓-0.4
10/9 05:50	93.3	↓-0.7
10/9 06:00	92.5	↓-0.8
10/9 06:10	91.5	↓-1.0
10/9 06:20	90.2	↓-1.3
10/9 06:30	88.9	↓-1.3
10/9 06:40	87.3	↓-1.6
10/9 06:50	85.7	↓-1.6
10/9 07:00	83.9	↓-1.8
10/9 07:10	82.0	↓-1.9
10/9 07:20	80.0	↓-2.0
10/9 07:30	77.9	↓-2.1
10/9 07:40	75.7	↓-2.2
10/9 07:50	73.5	↓-2.2
10/9 08:00	71.2	↓-2.3
10/9 08:10	68.9	↓-2.3
10/9 08:20	66.6	↓-2.3
10/9 08:30	64.2	↓-2.4
10/9 08:40	61.9	↓-2.3
10/9 08:50	59.6	↓-2.3
10/9 09:00	57.4	↓-2.2
10/9 09:10	55.2	↓-2.2
10/9 09:20	53.1	↓-2.1
10/9 09:30	51.1	↓-2.0
10/9 09:40	49.2	↓-1.9
10/9 09:50	47.5	↓-1.7
10/9 10:00	46.0	↓-1.5
10/9 10:10	44.6	↓-1.4
10/9 10:20	43.4	↓-1.2
10/9 10:30	42.4	↓-1.0
10/9 10:40	41.7	↓-0.7
10/9 10:50	41.2	↓-0.5
10/9 11:00	40.9	↓-0.3	干潮
10/9 11:10	40.9	0
10/9 11:20	41.1	↑0.2
10/9 11:30	41.6	↑0.5
10/9 11:40	42.3	↑0.7
10/9 11:50	43.3	↑1.0
10/9 12:00	44.5	↑1.2
10/9 12:10	45.9	↑1.4
10/9 12:20	47.6	↑1.7
10/9 12:30	49.4	↑1.8
10/9 12:40	51.5	↑2.1
10/9 12:50	53.7	↑2.2
10/9 13:00	56.1	↑2.4
10/9 13:10	58.7	↑2.6
10/9 13:20	61.4	↑2.7
10/9 13:30	64.1	↑2.7
10/9 13:40	67.0	↑2.9
10/9 13:50	69.9	↑2.9
10/9 14:00	72.9	↑3.0
10/9 14:10	75.9	↑3.0
10/9 14:20	78.8	↑2.9
10/9 14:30	81.8	↑3.0
10/9 14:40	84.7	↑2.9
10/9 14:50	87.5	↑2.8
10/9 15:00	90.1	↑2.6
10/9 15:10	92.7	↑2.6
10/9 15:20	95.1	↑2.4
10/9 15:30	97.3	↑2.2
10/9 15:40	99.3	↑2.0
10/9 15:50	101.1	↑1.8
10/9 16:00	102.6	↑1.5
10/9 16:10	103.9	↑1.3
10/9 16:20	104.9	↑1.0
10/9 16:30	105.6	↑0.7
10/9 16:40	106.1	↑0.5
10/9 16:50	106.2	↑0.1	満潮
10/9 17:00	106.1	↓-0.1
10/9 17:10	105.6	↓-0.5
10/9 17:20	104.9	↓-0.7
10/9 17:30	103.9	↓-1.0
10/9 17:40	102.6	↓-1.3
10/9 17:50	101.1	↓-1.5
10/9 18:00	99.3	↓-1.8
10/9 18:10	97.3	↓-2.0
10/9 18:20	95.1	↓-2.2
10/9 18:30	92.7	↓-2.4
10/9 18:40	90.1	↓-2.6
10/9 18:50	87.3	↓-2.8
10/9 19:00	84.4	↓-2.9
10/9 19:10	81.4	↓-3.0
10/9 19:20	78.2	↓-3.2
10/9 19:30	75.0	↓-3.2
10/9 19:40	71.6	↓-3.4
10/9 19:50	68.2	↓-3.4
10/9 20:00	64.8	↓-3.4
10/9 20:10	61.3	↓-3.5
10/9 20:20	57.7	↓-3.6	最大潮位差
10/9 20:30	54.2	↓-3.5
10/9 20:40	50.7	↓-3.5
10/9 20:50	47.3	↓-3.4
10/9 21:00	43.8	↓-3.5
10/9 21:10	40.5	↓-3.3
10/9 21:20	37.2	↓-3.3
10/9 21:30	34.0	↓-3.2
10/9 21:40	31.0	↓-3.0
10/9 21:50	28.1	↓-2.9
10/9 22:00	25.4	↓-2.7
10/9 22:10	22.9	↓-2.5
10/9 22:20	20.5	↓-2.4
10/9 22:30	18.4	↓-2.1
10/9 22:40	16.6	↓-1.8
10/9 22:50	14.9	↓-1.7
10/9 23:00	13.6	↓-1.3
10/9 23:10	12.5	↓-1.1
10/9 23:20	11.7	↓-0.8
10/9 23:30	11.2	↓-0.5
10/9 23:40	11.0	↓-0.2	干潮
10/9 23:50	11.1	↑0.1