23 (水)	07:44	01:14	18:51	12:48
	82cm	22cm	104cm	57cm
小潮 出 05:26 入 17:34 出 12:07 入 21:29

函館（北海道）2020年09月23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
9/23 00:00	28.4	↓-1.8
9/23 00:10	26.8	↓-1.6
9/23 00:20	25.4	↓-1.4
9/23 00:30	24.2	↓-1.2
9/23 00:40	23.3	↓-0.9
9/23 00:50	22.6	↓-0.7
9/23 01:00	22.2	↓-0.4
9/23 01:10	22.0	↓-0.2	干潮
9/23 01:20	22.0	0
9/23 01:30	22.3	↑0.3
9/23 01:40	22.8	↑0.5
9/23 01:50	23.6	↑0.8
9/23 02:00	24.5	↑0.9
9/23 02:10	25.7	↑1.2
9/23 02:20	27.0	↑1.3
9/23 02:30	28.5	↑1.5
9/23 02:40	30.1	↑1.6
9/23 02:50	31.9	↑1.8
9/23 03:00	33.9	↑2.0
9/23 03:10	35.9	↑2.0
9/23 03:20	38.0	↑2.1
9/23 03:30	40.2	↑2.2
9/23 03:40	42.5	↑2.3
9/23 03:50	44.8	↑2.3
9/23 04:00	47.2	↑2.4
9/23 04:10	49.6	↑2.4
9/23 04:20	52.0	↑2.4
9/23 04:30	54.4	↑2.4
9/23 04:40	56.7	↑2.3
9/23 04:50	59.1	↑2.4
9/23 05:00	61.3	↑2.2
9/23 05:10	63.5	↑2.2
9/23 05:20	65.7	↑2.2
9/23 05:30	67.7	↑2.0
9/23 05:40	69.7	↑2.0
9/23 05:50	71.5	↑1.8
9/23 06:00	73.2	↑1.7
9/23 06:10	74.7	↑1.5
9/23 06:20	76.1	↑1.4
9/23 06:30	77.3	↑1.2
9/23 06:40	78.4	↑1.1
9/23 06:50	79.4	↑1.0
9/23 07:00	80.1	↑0.7
9/23 07:10	80.7	↑0.6
9/23 07:20	81.1	↑0.4
9/23 07:30	81.4	↑0.3
9/23 07:40	81.5	↑0.1	満潮
9/23 07:50	81.5	0
9/23 08:00	81.3	↓-0.2
9/23 08:10	81.0	↓-0.3
9/23 08:20	80.6	↓-0.4
9/23 08:30	80.1	↓-0.5
9/23 08:40	79.4	↓-0.7
9/23 08:50	78.7	↓-0.7
9/23 09:00	77.9	↓-0.8
9/23 09:10	77.0	↓-0.9
9/23 09:20	76.0	↓-1.0
9/23 09:30	74.9	↓-1.1
9/23 09:40	73.8	↓-1.1
9/23 09:50	72.7	↓-1.1
9/23 10:00	71.5	↓-1.2
9/23 10:10	70.3	↓-1.2
9/23 10:20	69.1	↓-1.2
9/23 10:30	67.8	↓-1.3
9/23 10:40	66.6	↓-1.2
9/23 10:50	65.4	↓-1.2
9/23 11:00	64.2	↓-1.2
9/23 11:10	63.0	↓-1.2
9/23 11:20	61.9	↓-1.1
9/23 11:30	60.8	↓-1.1
9/23 11:40	59.9	↓-0.9
9/23 11:50	59.0	↓-0.9
9/23 12:00	58.3	↓-0.7
9/23 12:10	57.6	↓-0.7
9/23 12:20	57.1	↓-0.5
9/23 12:30	56.8	↓-0.3
9/23 12:40	56.6	↓-0.2	干潮
9/23 12:50	56.5	↓-0.1
9/23 13:00	56.6	↑0.1
9/23 13:10	56.9	↑0.3
9/23 13:20	57.4	↑0.5
9/23 13:30	58.1	↑0.7
9/23 13:40	58.9	↑0.8
9/23 13:50	59.8	↑0.9
9/23 14:00	61.0	↑1.2
9/23 14:10	62.2	↑1.2
9/23 14:20	63.6	↑1.4
9/23 14:30	65.2	↑1.6
9/23 14:40	66.8	↑1.6
9/23 14:50	68.5	↑1.7
9/23 15:00	70.3	↑1.8
9/23 15:10	72.2	↑1.9
9/23 15:20	74.1	↑1.9
9/23 15:30	76.1	↑2.0
9/23 15:40	78.1	↑2.0
9/23 15:50	80.1	↑2.0
9/23 16:00	82.1	↑2.0
9/23 16:10	84.1	↑2.0
9/23 16:20	86.0	↑1.9
9/23 16:30	87.9	↑1.9
9/23 16:40	89.8	↑1.9
9/23 16:50	91.6	↑1.8
9/23 17:00	93.3	↑1.7
9/23 17:10	94.9	↑1.6
9/23 17:20	96.4	↑1.5
9/23 17:30	97.8	↑1.4
9/23 17:40	99.1	↑1.3
9/23 17:50	100.3	↑1.2
9/23 18:00	101.2	↑0.9
9/23 18:10	102.1	↑0.9
9/23 18:20	102.7	↑0.6
9/23 18:30	103.2	↑0.5
9/23 18:40	103.5	↑0.3
9/23 18:50	103.6	↑0.1	満潮
9/23 19:00	103.5	↓-0.1
9/23 19:10	103.2	↓-0.3
9/23 19:20	102.7	↓-0.5
9/23 19:30	102.0	↓-0.7
9/23 19:40	101.1	↓-0.9
9/23 19:50	100.0	↓-1.1
9/23 20:00	98.8	↓-1.2
9/23 20:10	97.4	↓-1.4
9/23 20:20	95.8	↓-1.6
9/23 20:30	94.0	↓-1.8
9/23 20:40	92.1	↓-1.9
9/23 20:50	90.1	↓-2.0
9/23 21:00	87.9	↓-2.2
9/23 21:10	85.7	↓-2.2
9/23 21:20	83.3	↓-2.4
9/23 21:30	80.8	↓-2.5
9/23 21:40	78.3	↓-2.5
9/23 21:50	75.7	↓-2.6
9/23 22:00	73.1	↓-2.6
9/23 22:10	70.4	↓-2.7
9/23 22:20	67.7	↓-2.7
9/23 22:30	65.0	↓-2.7
9/23 22:40	62.3	↓-2.7
9/23 22:50	59.5	↓-2.8	最大潮位差
9/23 23:00	56.8	↓-2.7
9/23 23:10	54.1	↓-2.7
9/23 23:20	51.5	↓-2.6
9/23 23:30	48.9	↓-2.6
9/23 23:40	46.5	↓-2.4
9/23 23:50	44.0	↓-2.5