20 (土)	02:51	05:26	11:53	19:35
	65cm	63cm	88cm	27cm
中潮 出 04:16 入 18:02 出 14:14 入 02:56

内岡（北海道）2024年04月20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
4/20 00:00	55.3	↑1.2
4/20 00:10	56.4	↑1.1
4/20 00:20	57.5	↑1.1
4/20 00:30	58.5	↑1.0
4/20 00:40	59.4	↑0.9
4/20 00:50	60.3	↑0.9
4/20 01:00	61.1	↑0.8
4/20 01:10	61.8	↑0.7
4/20 01:20	62.4	↑0.6
4/20 01:30	62.9	↑0.5
4/20 01:40	63.4	↑0.5
4/20 01:50	63.8	↑0.4
4/20 02:00	64.2	↑0.4
4/20 02:10	64.4	↑0.2
4/20 02:20	64.6	↑0.2
4/20 02:30	64.7	↑0.1
4/20 02:40	64.8	↑0.1
4/20 02:50	64.8	0	満潮
4/20 03:00	64.8	0
4/20 03:10	64.8	0
4/20 03:20	64.7	↓-0.1
4/20 03:30	64.5	↓-0.2
4/20 03:40	64.4	↓-0.1
4/20 03:50	64.2	↓-0.2
4/20 04:00	64.0	↓-0.2
4/20 04:10	63.8	↓-0.2
4/20 04:20	63.7	↓-0.1
4/20 04:30	63.5	↓-0.2
4/20 04:40	63.3	↓-0.2
4/20 04:50	63.2	↓-0.1
4/20 05:00	63.1	↓-0.1
4/20 05:10	63.0	↓-0.1
4/20 05:20	63.0	0	干潮
4/20 05:30	63.0	0
4/20 05:40	63.0	0
4/20 05:50	63.1	↑0.1
4/20 06:00	63.3	↑0.2
4/20 06:10	63.5	↑0.2
4/20 06:20	63.7	↑0.2
4/20 06:30	64.1	↑0.4
4/20 06:40	64.4	↑0.3
4/20 06:50	64.9	↑0.5
4/20 07:00	65.4	↑0.5
4/20 07:10	66.0	↑0.6
4/20 07:20	66.6	↑0.6
4/20 07:30	67.3	↑0.7
4/20 07:40	68.0	↑0.7
4/20 07:50	68.8	↑0.8
4/20 08:00	69.6	↑0.8
4/20 08:10	70.5	↑0.9
4/20 08:20	71.4	↑0.9
4/20 08:30	72.4	↑1.0
4/20 08:40	73.4	↑1.0
4/20 08:50	74.3	↑0.9
4/20 09:00	75.3	↑1.0
4/20 09:10	76.4	↑1.1
4/20 09:20	77.4	↑1.0
4/20 09:30	78.4	↑1.0
4/20 09:40	79.3	↑0.9
4/20 09:50	80.3	↑1.0
4/20 10:00	81.2	↑0.9
4/20 10:10	82.1	↑0.9
4/20 10:20	82.9	↑0.8
4/20 10:30	83.7	↑0.8
4/20 10:40	84.4	↑0.7
4/20 10:50	85.1	↑0.7
4/20 11:00	85.6	↑0.5
4/20 11:10	86.1	↑0.5
4/20 11:20	86.5	↑0.4
4/20 11:30	86.8	↑0.3
4/20 11:40	86.9	↑0.1
4/20 11:50	87.0	↑0.1	満潮
4/20 12:00	87.0	0
4/20 12:10	86.8	↓-0.2
4/20 12:20	86.6	↓-0.2
4/20 12:30	86.2	↓-0.4
4/20 12:40	85.7	↓-0.5
4/20 12:50	85.0	↓-0.7
4/20 13:00	84.3	↓-0.7
4/20 13:10	83.4	↓-0.9
4/20 13:20	82.4	↓-1.0
4/20 13:30	81.3	↓-1.1
4/20 13:40	80.1	↓-1.2
4/20 13:50	78.8	↓-1.3
4/20 14:00	77.3	↓-1.5
4/20 14:10	75.8	↓-1.5
4/20 14:20	74.2	↓-1.6
4/20 14:30	72.4	↓-1.8
4/20 14:40	70.6	↓-1.8
4/20 14:50	68.8	↓-1.8
4/20 15:00	66.9	↓-1.9
4/20 15:10	64.9	↓-2.0
4/20 15:20	62.9	↓-2.0
4/20 15:30	60.8	↓-2.1	最大潮位差
4/20 15:40	58.7	↓-2.1	最大潮位差
4/20 15:50	56.6	↓-2.1	最大潮位差
4/20 16:00	54.5	↓-2.1	最大潮位差
4/20 16:10	52.5	↓-2.0
4/20 16:20	50.4	↓-2.1	最大潮位差
4/20 16:30	48.4	↓-2.0
4/20 16:40	46.4	↓-2.0
4/20 16:50	44.4	↓-2.0
4/20 17:00	42.5	↓-1.9
4/20 17:10	40.7	↓-1.8
4/20 17:20	39.0	↓-1.7
4/20 17:30	37.3	↓-1.7
4/20 17:40	35.8	↓-1.5
4/20 17:50	34.3	↓-1.5
4/20 18:00	33.0	↓-1.3
4/20 18:10	31.8	↓-1.2
4/20 18:20	30.7	↓-1.1
4/20 18:30	29.7	↓-1.0
4/20 18:40	28.9	↓-0.8
4/20 18:50	28.2	↓-0.7
4/20 19:00	27.6	↓-0.6
4/20 19:10	27.2	↓-0.4
4/20 19:20	27.0	↓-0.2
4/20 19:30	26.8	↓-0.2	干潮
4/20 19:40	26.9	↑0.1
4/20 19:50	27.0	↑0.1
4/20 20:00	27.3	↑0.3
4/20 20:10	27.8	↑0.5
4/20 20:20	28.3	↑0.5
4/20 20:30	29.0	↑0.7
4/20 20:40	29.8	↑0.8
4/20 20:50	30.8	↑1.0
4/20 21:00	31.8	↑1.0
4/20 21:10	32.9	↑1.1
4/20 21:20	34.2	↑1.3
4/20 21:30	35.5	↑1.3
4/20 21:40	36.9	↑1.4
4/20 21:50	38.3	↑1.4
4/20 22:00	39.8	↑1.5
4/20 22:10	41.4	↑1.6
4/20 22:20	42.9	↑1.5
4/20 22:30	44.5	↑1.6
4/20 22:40	46.2	↑1.7
4/20 22:50	47.8	↑1.6
4/20 23:00	49.4	↑1.6
4/20 23:10	51.0	↑1.6
4/20 23:20	52.5	↑1.5
4/20 23:30	54.1	↑1.6
4/20 23:40	55.5	↑1.4
4/20 23:50	57.0	↑1.5