20 (土)	02:23	06:15	12:35	19:48
	67cm	61cm	88cm	37cm
中潮 出 04:19 入 18:03 出 14:17 入 02:57

内保湾（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	59.0	↑1.1
4/20 00:10	60.0	↑1.0
4/20 00:20	61.0	↑1.0
4/20 00:30	61.9	↑0.9
4/20 00:40	62.7	↑0.8
4/20 00:50	63.5	↑0.8
4/20 01:00	64.2	↑0.7
4/20 01:10	64.7	↑0.5
4/20 01:20	65.3	↑0.6
4/20 01:30	65.7	↑0.4
4/20 01:40	66.0	↑0.3
4/20 01:50	66.3	↑0.3
4/20 02:00	66.5	↑0.2
4/20 02:10	66.6	↑0.1
4/20 02:20	66.7	↑0.1	満潮
4/20 02:30	66.7	0
4/20 02:40	66.6	↓-0.1
4/20 02:50	66.4	↓-0.2
4/20 03:00	66.2	↓-0.2
4/20 03:10	66.0	↓-0.2
4/20 03:20	65.7	↓-0.3
4/20 03:30	65.3	↓-0.4
4/20 03:40	65.0	↓-0.3
4/20 03:50	64.6	↓-0.4
4/20 04:00	64.1	↓-0.5
4/20 04:10	63.7	↓-0.4
4/20 04:20	63.3	↓-0.4
4/20 04:30	62.8	↓-0.5
4/20 04:40	62.4	↓-0.4
4/20 04:50	62.0	↓-0.4
4/20 05:00	61.6	↓-0.4
4/20 05:10	61.3	↓-0.3
4/20 05:20	61.0	↓-0.3
4/20 05:30	60.7	↓-0.3
4/20 05:40	60.4	↓-0.3
4/20 05:50	60.3	↓-0.1
4/20 06:00	60.1	↓-0.2
4/20 06:10	60.1	0	干潮
4/20 06:20	60.1	0
4/20 06:30	60.2	↑0.1
4/20 06:40	60.3	↑0.1
4/20 06:50	60.5	↑0.2
4/20 07:00	60.8	↑0.3
4/20 07:10	61.2	↑0.4
4/20 07:20	61.7	↑0.5
4/20 07:30	62.2	↑0.5
4/20 07:40	62.8	↑0.6
4/20 07:50	63.4	↑0.6
4/20 08:00	64.2	↑0.8
4/20 08:10	65.0	↑0.8
4/20 08:20	65.8	↑0.8
4/20 08:30	66.8	↑1.0
4/20 08:40	67.7	↑0.9
4/20 08:50	68.8	↑1.1
4/20 09:00	69.8	↑1.0
4/20 09:10	70.9	↑1.1
4/20 09:20	72.0	↑1.1
4/20 09:30	73.2	↑1.2
4/20 09:40	74.3	↑1.1
4/20 09:50	75.5	↑1.2
4/20 10:00	76.6	↑1.1
4/20 10:10	77.7	↑1.1
4/20 10:20	78.8	↑1.1
4/20 10:30	79.9	↑1.1
4/20 10:40	80.9	↑1.0
4/20 10:50	81.9	↑1.0
4/20 11:00	82.9	↑1.0
4/20 11:10	83.7	↑0.8
4/20 11:20	84.5	↑0.8
4/20 11:30	85.2	↑0.7
4/20 11:40	85.9	↑0.7
4/20 11:50	86.4	↑0.5
4/20 12:00	86.8	↑0.4
4/20 12:10	87.2	↑0.4
4/20 12:20	87.4	↑0.2
4/20 12:30	87.5	↑0.1	満潮
4/20 12:40	87.5	0
4/20 12:50	87.4	↓-0.1
4/20 13:00	87.1	↓-0.3
4/20 13:10	86.8	↓-0.3
4/20 13:20	86.3	↓-0.5
4/20 13:30	85.7	↓-0.6
4/20 13:40	84.9	↓-0.8
4/20 13:50	84.1	↓-0.8
4/20 14:00	83.1	↓-1.0
4/20 14:10	82.0	↓-1.1
4/20 14:20	80.8	↓-1.2
4/20 14:30	79.5	↓-1.3
4/20 14:40	78.2	↓-1.3
4/20 14:50	76.7	↓-1.5
4/20 15:00	75.1	↓-1.6
4/20 15:10	73.5	↓-1.6
4/20 15:20	71.8	↓-1.7
4/20 15:30	70.0	↓-1.8
4/20 15:40	68.2	↓-1.8
4/20 15:50	66.4	↓-1.8
4/20 16:00	64.5	↓-1.9	最大潮位差
4/20 16:10	62.6	↓-1.9	最大潮位差
4/20 16:20	60.7	↓-1.9	最大潮位差
4/20 16:30	58.8	↓-1.9	最大潮位差
4/20 16:40	57.0	↓-1.8
4/20 16:50	55.1	↓-1.9	最大潮位差
4/20 17:00	53.3	↓-1.8
4/20 17:10	51.5	↓-1.8
4/20 17:20	49.8	↓-1.7
4/20 17:30	48.1	↓-1.7
4/20 17:40	46.6	↓-1.5
4/20 17:50	45.1	↓-1.5
4/20 18:00	43.7	↓-1.4
4/20 18:10	42.4	↓-1.3
4/20 18:20	41.2	↓-1.2
4/20 18:30	40.1	↓-1.1
4/20 18:40	39.1	↓-1.0
4/20 18:50	38.3	↓-0.8
4/20 19:00	37.6	↓-0.7
4/20 19:10	37.0	↓-0.6
4/20 19:20	36.6	↓-0.4
4/20 19:30	36.3	↓-0.3
4/20 19:40	36.1	↓-0.2	干潮
4/20 19:50	36.1	0
4/20 20:00	36.2	↑0.1
4/20 20:10	36.4	↑0.2
4/20 20:20	36.8	↑0.4
4/20 20:30	37.3	↑0.5
4/20 20:40	37.9	↑0.6
4/20 20:50	38.7	↑0.8
4/20 21:00	39.5	↑0.8
4/20 21:10	40.5	↑1.0
4/20 21:20	41.6	↑1.1
4/20 21:30	42.7	↑1.1
4/20 21:40	43.9	↑1.2
4/20 21:50	45.2	↑1.3
4/20 22:00	46.6	↑1.4
4/20 22:10	48.0	↑1.4
4/20 22:20	49.5	↑1.5
4/20 22:30	50.9	↑1.4
4/20 22:40	52.4	↑1.5
4/20 22:50	54.0	↑1.6
4/20 23:00	55.5	↑1.5
4/20 23:10	57.0	↑1.5
4/20 23:20	58.4	↑1.4
4/20 23:30	59.9	↑1.5
4/20 23:40	61.3	↑1.4
4/20 23:50	62.6	↑1.3