1 (木)	01:44	07:34	14:05	20:18
	71cm	35cm	87cm	40cm
出 05:03 入 17:49 出 03:57 入 16:33

コイセボイ（北海道）2049年04月1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
4/1 00:00	63.5	↑1.2
4/1 00:10	64.7	↑1.2
4/1 00:20	65.8	↑1.1
4/1 00:30	66.8	↑1.0
4/1 00:40	67.7	↑0.9
4/1 00:50	68.4	↑0.7
4/1 01:00	69.1	↑0.7
4/1 01:10	69.6	↑0.5
4/1 01:20	70.0	↑0.4
4/1 01:30	70.2	↑0.2
4/1 01:40	70.3	↑0.1	満潮
4/1 01:50	70.3	0
4/1 02:00	70.1	↓-0.2
4/1 02:10	69.8	↓-0.3
4/1 02:20	69.3	↓-0.5
4/1 02:30	68.8	↓-0.5
4/1 02:40	68.1	↓-0.7
4/1 02:50	67.2	↓-0.9
4/1 03:00	66.3	↓-0.9
4/1 03:10	65.2	↓-1.1
4/1 03:20	64.1	↓-1.1
4/1 03:30	62.8	↓-1.3
4/1 03:40	61.5	↓-1.3
4/1 03:50	60.1	↓-1.4
4/1 04:00	58.6	↓-1.5
4/1 04:10	57.1	↓-1.5
4/1 04:20	55.6	↓-1.5
4/1 04:30	54.0	↓-1.6
4/1 04:40	52.4	↓-1.6
4/1 04:50	50.8	↓-1.6
4/1 05:00	49.2	↓-1.6
4/1 05:10	47.6	↓-1.6
4/1 05:20	46.1	↓-1.5
4/1 05:30	44.6	↓-1.5
4/1 05:40	43.2	↓-1.4
4/1 05:50	41.8	↓-1.4
4/1 06:00	40.6	↓-1.2
4/1 06:10	39.4	↓-1.2
4/1 06:20	38.3	↓-1.1
4/1 06:30	37.4	↓-0.9
4/1 06:40	36.5	↓-0.9
4/1 06:50	35.8	↓-0.7
4/1 07:00	35.3	↓-0.5
4/1 07:10	34.8	↓-0.5
4/1 07:20	34.6	↓-0.2
4/1 07:30	34.4	↓-0.2	干潮
4/1 07:40	34.5	↑0.1
4/1 07:50	34.7	↑0.2
4/1 08:00	35.0	↑0.3
4/1 08:10	35.5	↑0.5
4/1 08:20	36.2	↑0.7
4/1 08:30	37.0	↑0.8
4/1 08:40	37.9	↑0.9
4/1 08:50	39.0	↑1.1
4/1 09:00	40.3	↑1.3
4/1 09:10	41.6	↑1.3
4/1 09:20	43.1	↑1.5
4/1 09:30	44.7	↑1.6
4/1 09:40	46.4	↑1.7
4/1 09:50	48.2	↑1.8
4/1 10:00	50.1	↑1.9
4/1 10:10	52.0	↑1.9
4/1 10:20	54.0	↑2.0
4/1 10:30	56.0	↑2.0
4/1 10:40	58.1	↑2.1	最大潮位差
4/1 10:50	60.2	↑2.1	最大潮位差
4/1 11:00	62.3	↑2.1	最大潮位差
4/1 11:10	64.4	↑2.1	最大潮位差
4/1 11:20	66.4	↑2.0
4/1 11:30	68.4	↑2.0
4/1 11:40	70.4	↑2.0
4/1 11:50	72.3	↑1.9
4/1 12:00	74.1	↑1.8
4/1 12:10	75.9	↑1.8
4/1 12:20	77.5	↑1.6
4/1 12:30	79.0	↑1.5
4/1 12:40	80.4	↑1.4
4/1 12:50	81.7	↑1.3
4/1 13:00	82.8	↑1.1
4/1 13:10	83.8	↑1.0
4/1 13:20	84.6	↑0.8
4/1 13:30	85.3	↑0.7
4/1 13:40	85.7	↑0.4
4/1 13:50	86.1	↑0.4
4/1 14:00	86.2	↑0.1	満潮
4/1 14:10	86.2	0
4/1 14:20	86.0	↓-0.2
4/1 14:30	85.7	↓-0.3
4/1 14:40	85.2	↓-0.5
4/1 14:50	84.5	↓-0.7
4/1 15:00	83.7	↓-0.8
4/1 15:10	82.7	↓-1.0
4/1 15:20	81.6	↓-1.1
4/1 15:30	80.3	↓-1.3
4/1 15:40	78.9	↓-1.4
4/1 15:50	77.4	↓-1.5
4/1 16:00	75.8	↓-1.6
4/1 16:10	74.1	↓-1.7
4/1 16:20	72.3	↓-1.8
4/1 16:30	70.5	↓-1.8
4/1 16:40	68.5	↓-2.0
4/1 16:50	66.6	↓-1.9
4/1 17:00	64.6	↓-2.0
4/1 17:10	62.6	↓-2.0
4/1 17:20	60.6	↓-2.0
4/1 17:30	58.7	↓-1.9
4/1 17:40	56.7	↓-2.0
4/1 17:50	54.8	↓-1.9
4/1 18:00	53.0	↓-1.8
4/1 18:10	51.2	↓-1.8
4/1 18:20	49.5	↓-1.7
4/1 18:30	47.9	↓-1.6
4/1 18:40	46.4	↓-1.5
4/1 18:50	45.0	↓-1.4
4/1 19:00	43.8	↓-1.2
4/1 19:10	42.7	↓-1.1
4/1 19:20	41.7	↓-1.0
4/1 19:30	40.9	↓-0.8
4/1 19:40	40.2	↓-0.7
4/1 19:50	39.7	↓-0.5
4/1 20:00	39.3	↓-0.4
4/1 20:10	39.1	↓-0.2	干潮
4/1 20:20	39.1	0
4/1 20:30	39.2	↑0.1
4/1 20:40	39.5	↑0.3
4/1 20:50	39.9	↑0.4
4/1 21:00	40.5	↑0.6
4/1 21:10	41.3	↑0.8
4/1 21:20	42.2	↑0.9
4/1 21:30	43.2	↑1.0
4/1 21:40	44.4	↑1.2
4/1 21:50	45.7	↑1.3
4/1 22:00	47.0	↑1.3
4/1 22:10	48.5	↑1.5
4/1 22:20	50.1	↑1.6
4/1 22:30	51.7	↑1.6
4/1 22:40	53.4	↑1.7
4/1 22:50	55.1	↑1.7
4/1 23:00	56.9	↑1.8
4/1 23:10	58.7	↑1.8
4/1 23:20	60.5	↑1.8
4/1 23:30	62.3	↑1.8
4/1 23:40	64.0	↑1.7
4/1 23:50	65.7	↑1.7