23 (木)	00:15	02:48	10:12	17:51
	55cm	54cm	78cm	36cm
若潮 出 04:25 入 18:16 出 12:16 入 01:17

コイセボイ（北海道）2048年04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
4/23 00:00	54.2	↑0.1
4/23 00:10	54.2	0	満潮
4/23 00:20	54.2	0
4/23 00:30	54.2	0
4/23 00:40	54.2	0
4/23 00:50	54.1	↓-0.1
4/23 01:00	54.0	↓-0.1
4/23 01:10	53.9	↓-0.1
4/23 01:20	53.8	↓-0.1
4/23 01:30	53.7	↓-0.1
4/23 01:40	53.5	↓-0.2
4/23 01:50	53.4	↓-0.1
4/23 02:00	53.3	↓-0.1
4/23 02:10	53.2	↓-0.1
4/23 02:20	53.1	↓-0.1
4/23 02:30	53.1	0
4/23 02:40	53.1	0	干潮
4/23 02:50	53.0	↓-0.1
4/23 03:00	53.1	↑0.1
4/23 03:10	53.1	0
4/23 03:20	53.2	↑0.1
4/23 03:30	53.4	↑0.2
4/23 03:40	53.5	↑0.1
4/23 03:50	53.8	↑0.3
4/23 04:00	54.0	↑0.2
4/23 04:10	54.3	↑0.3
4/23 04:20	54.7	↑0.4
4/23 04:30	55.1	↑0.4
4/23 04:40	55.6	↑0.5
4/23 04:50	56.1	↑0.5
4/23 05:00	56.6	↑0.5
4/23 05:10	57.2	↑0.6
4/23 05:20	57.9	↑0.7
4/23 05:30	58.5	↑0.6
4/23 05:40	59.3	↑0.8
4/23 05:50	60.0	↑0.7
4/23 06:00	60.8	↑0.8
4/23 06:10	61.6	↑0.8
4/23 06:20	62.5	↑0.9
4/23 06:30	63.3	↑0.8
4/23 06:40	64.2	↑0.9
4/23 06:50	65.1	↑0.9
4/23 07:00	66.0	↑0.9
4/23 07:10	66.9	↑0.9
4/23 07:20	67.8	↑0.9
4/23 07:30	68.7	↑0.9
4/23 07:40	69.6	↑0.9
4/23 07:50	70.5	↑0.9
4/23 08:00	71.3	↑0.8
4/23 08:10	72.1	↑0.8
4/23 08:20	72.8	↑0.7
4/23 08:30	73.6	↑0.8
4/23 08:40	74.2	↑0.6
4/23 08:50	74.9	↑0.7
4/23 09:00	75.4	↑0.5
4/23 09:10	75.9	↑0.5
4/23 09:20	76.4	↑0.5
4/23 09:30	76.7	↑0.3
4/23 09:40	77.0	↑0.3
4/23 09:50	77.2	↑0.2
4/23 10:00	77.3	↑0.1
4/23 10:10	77.4	↑0.1	満潮
4/23 10:20	77.4	0
4/23 10:30	77.2	↓-0.2
4/23 10:40	77.0	↓-0.2
4/23 10:50	76.7	↓-0.3
4/23 11:00	76.3	↓-0.4
4/23 11:10	75.9	↓-0.4
4/23 11:20	75.3	↓-0.6
4/23 11:30	74.6	↓-0.7
4/23 11:40	73.9	↓-0.7
4/23 11:50	73.1	↓-0.8
4/23 12:00	72.2	↓-0.9
4/23 12:10	71.2	↓-1.0
4/23 12:20	70.2	↓-1.0
4/23 12:30	69.1	↓-1.1
4/23 12:40	67.9	↓-1.2
4/23 12:50	66.7	↓-1.2
4/23 13:00	65.4	↓-1.3
4/23 13:10	64.1	↓-1.3
4/23 13:20	62.8	↓-1.3
4/23 13:30	61.4	↓-1.4
4/23 13:40	60.0	↓-1.4
4/23 13:50	58.6	↓-1.4
4/23 14:00	57.1	↓-1.5	最大潮位差
4/23 14:10	55.7	↓-1.4
4/23 14:20	54.3	↓-1.4
4/23 14:30	52.8	↓-1.5	最大潮位差
4/23 14:40	51.4	↓-1.4
4/23 14:50	50.0	↓-1.4
4/23 15:00	48.7	↓-1.3
4/23 15:10	47.4	↓-1.3
4/23 15:20	46.1	↓-1.3
4/23 15:30	44.9	↓-1.2
4/23 15:40	43.7	↓-1.2
4/23 15:50	42.6	↓-1.1
4/23 16:00	41.6	↓-1.0
4/23 16:10	40.6	↓-1.0
4/23 16:20	39.8	↓-0.8
4/23 16:30	39.0	↓-0.8
4/23 16:40	38.3	↓-0.7
4/23 16:50	37.7	↓-0.6
4/23 17:00	37.1	↓-0.6
4/23 17:10	36.7	↓-0.4
4/23 17:20	36.4	↓-0.3
4/23 17:30	36.1	↓-0.3
4/23 17:40	36.0	↓-0.1
4/23 17:50	35.9	↓-0.1	干潮
4/23 18:00	36.0	↑0.1
4/23 18:10	36.1	↑0.1
4/23 18:20	36.3	↑0.2
4/23 18:30	36.7	↑0.4
4/23 18:40	37.1	↑0.4
4/23 18:50	37.5	↑0.4
4/23 19:00	38.1	↑0.6
4/23 19:10	38.7	↑0.6
4/23 19:20	39.4	↑0.7
4/23 19:30	40.2	↑0.8
4/23 19:40	41.0	↑0.8
4/23 19:50	41.9	↑0.9
4/23 20:00	42.8	↑0.9
4/23 20:10	43.8	↑1.0
4/23 20:20	44.7	↑0.9
4/23 20:30	45.7	↑1.0
4/23 20:40	46.8	↑1.1
4/23 20:50	47.8	↑1.0
4/23 21:00	48.8	↑1.0
4/23 21:10	49.9	↑1.1
4/23 21:20	50.9	↑1.0
4/23 21:30	51.9	↑1.0
4/23 21:40	52.8	↑0.9
4/23 21:50	53.8	↑1.0
4/23 22:00	54.7	↑0.9
4/23 22:10	55.5	↑0.8
4/23 22:20	56.3	↑0.8
4/23 22:30	57.1	↑0.8
4/23 22:40	57.8	↑0.7
4/23 22:50	58.4	↑0.6
4/23 23:00	59.0	↑0.6
4/23 23:10	59.5	↑0.5
4/23 23:20	59.9	↑0.4
4/23 23:30	60.2	↑0.3
4/23 23:40	60.5	↑0.3
4/23 23:50	60.7	↑0.2