10 (火)	02:12	07:27	13:59	20:36
	65cm	39cm	90cm	33cm
大潮 出 04:47 入 18:00 出 04:30 入 16:22

コイセボイ（北海道）2040年04月10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
4/10 00:00	54.5	↑1.5
4/10 00:10	55.9	↑1.4
4/10 00:20	57.2	↑1.3
4/10 00:30	58.5	↑1.3
4/10 00:40	59.6	↑1.1
4/10 00:50	60.7	↑1.1
4/10 01:00	61.6	↑0.9
4/10 01:10	62.5	↑0.9
4/10 01:20	63.2	↑0.7
4/10 01:30	63.8	↑0.6
4/10 01:40	64.2	↑0.4
4/10 01:50	64.6	↑0.4
4/10 02:00	64.8	↑0.2
4/10 02:10	64.9	↑0.1	満潮
4/10 02:20	64.8	↓-0.1
4/10 02:30	64.6	↓-0.2
4/10 02:40	64.3	↓-0.3
4/10 02:50	63.9	↓-0.4
4/10 03:00	63.3	↓-0.6
4/10 03:10	62.7	↓-0.6
4/10 03:20	61.9	↓-0.8
4/10 03:30	61.1	↓-0.8
4/10 03:40	60.1	↓-1.0
4/10 03:50	59.1	↓-1.0
4/10 04:00	58.0	↓-1.1
4/10 04:10	56.8	↓-1.2
4/10 04:20	55.6	↓-1.2
4/10 04:30	54.4	↓-1.2
4/10 04:40	53.1	↓-1.3
4/10 04:50	51.8	↓-1.3
4/10 05:00	50.6	↓-1.2
4/10 05:10	49.3	↓-1.3
4/10 05:20	48.0	↓-1.3
4/10 05:30	46.8	↓-1.2
4/10 05:40	45.6	↓-1.2
4/10 05:50	44.5	↓-1.1
4/10 06:00	43.5	↓-1.0
4/10 06:10	42.5	↓-1.0
4/10 06:20	41.7	↓-0.8
4/10 06:30	40.9	↓-0.8
4/10 06:40	40.2	↓-0.7
4/10 06:50	39.7	↓-0.5
4/10 07:00	39.3	↓-0.4
4/10 07:10	39.0	↓-0.3
4/10 07:20	38.8	↓-0.2	干潮
4/10 07:30	38.8	0
4/10 07:40	38.9	↑0.1
4/10 07:50	39.2	↑0.3
4/10 08:00	39.6	↑0.4
4/10 08:10	40.1	↑0.5
4/10 08:20	40.8	↑0.7
4/10 08:30	41.7	↑0.9
4/10 08:40	42.7	↑1.0
4/10 08:50	43.8	↑1.1
4/10 09:00	45.0	↑1.2
4/10 09:10	46.4	↑1.4
4/10 09:20	47.9	↑1.5
4/10 09:30	49.5	↑1.6
4/10 09:40	51.2	↑1.7
4/10 09:50	52.9	↑1.7
4/10 10:00	54.8	↑1.9
4/10 10:10	56.7	↑1.9
4/10 10:20	58.7	↑2.0
4/10 10:30	60.7	↑2.0
4/10 10:40	62.7	↑2.0
4/10 10:50	64.8	↑2.1
4/10 11:00	66.8	↑2.0
4/10 11:10	68.9	↑2.1
4/10 11:20	70.9	↑2.0
4/10 11:30	72.8	↑1.9
4/10 11:40	74.8	↑2.0
4/10 11:50	76.6	↑1.8
4/10 12:00	78.4	↑1.8
4/10 12:10	80.0	↑1.6
4/10 12:20	81.6	↑1.6
4/10 12:30	83.1	↑1.5
4/10 12:40	84.4	↑1.3
4/10 12:50	85.6	↑1.2
4/10 13:00	86.6	↑1.0
4/10 13:10	87.5	↑0.9
4/10 13:20	88.3	↑0.8
4/10 13:30	88.9	↑0.6
4/10 13:40	89.3	↑0.4
4/10 13:50	89.5	↑0.2	満潮
4/10 14:00	89.5	0
4/10 14:10	89.4	↓-0.1
4/10 14:20	89.1	↓-0.3
4/10 14:30	88.6	↓-0.5
4/10 14:40	88.0	↓-0.6
4/10 14:50	87.2	↓-0.8
4/10 15:00	86.2	↓-1.0
4/10 15:10	85.0	↓-1.2
4/10 15:20	83.7	↓-1.3
4/10 15:30	82.3	↓-1.4
4/10 15:40	80.7	↓-1.6
4/10 15:50	79.0	↓-1.7
4/10 16:00	77.2	↓-1.8
4/10 16:10	75.2	↓-2.0
4/10 16:20	73.2	↓-2.0
4/10 16:30	71.1	↓-2.1
4/10 16:40	68.9	↓-2.2
4/10 16:50	66.7	↓-2.2
4/10 17:00	64.5	↓-2.2
4/10 17:10	62.2	↓-2.3	最大潮位差
4/10 17:20	59.9	↓-2.3	最大潮位差
4/10 17:30	57.6	↓-2.3	最大潮位差
4/10 17:40	55.4	↓-2.2
4/10 17:50	53.2	↓-2.2
4/10 18:00	51.0	↓-2.2
4/10 18:10	48.9	↓-2.1
4/10 18:20	46.9	↓-2.0
4/10 18:30	44.9	↓-2.0
4/10 18:40	43.1	↓-1.8
4/10 18:50	41.4	↓-1.7
4/10 19:00	39.8	↓-1.6
4/10 19:10	38.3	↓-1.5
4/10 19:20	37.0	↓-1.3
4/10 19:30	35.8	↓-1.2
4/10 19:40	34.8	↓-1.0
4/10 19:50	34.0	↓-0.8
4/10 20:00	33.3	↓-0.7
4/10 20:10	32.8	↓-0.5
4/10 20:20	32.5	↓-0.3
4/10 20:30	32.3	↓-0.2	干潮
4/10 20:40	32.3	0
4/10 20:50	32.5	↑0.2
4/10 21:00	32.8	↑0.3
4/10 21:10	33.3	↑0.5
4/10 21:20	34.0	↑0.7
4/10 21:30	34.8	↑0.8
4/10 21:40	35.8	↑1.0
4/10 21:50	36.9	↑1.1
4/10 22:00	38.1	↑1.2
4/10 22:10	39.4	↑1.3
4/10 22:20	40.9	↑1.5
4/10 22:30	42.4	↑1.5
4/10 22:40	44.0	↑1.6
4/10 22:50	45.7	↑1.7
4/10 23:00	47.4	↑1.7
4/10 23:10	49.2	↑1.8
4/10 23:20	51.0	↑1.8
4/10 23:30	52.8	↑1.8
4/10 23:40	54.6	↑1.8
4/10 23:50	56.4	↑1.8