10 (土)	02:11	07:09	13:41	20:29
	64cm	43cm	90cm	31cm
出 04:47 入 18:00 出 04:24 入 15:58

コイセボイ（北海道）2021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	53.5	↑1.4
4/10 00:10	54.8	↑1.3
4/10 00:20	56.0	↑1.2
4/10 00:30	57.2	↑1.2
4/10 00:40	58.3	↑1.1
4/10 00:50	59.3	↑1.0
4/10 01:00	60.1	↑0.8
4/10 01:10	60.9	↑0.8
4/10 01:20	61.5	↑0.6
4/10 01:30	62.1	↑0.6
4/10 01:40	62.5	↑0.4
4/10 01:50	62.8	↑0.3
4/10 02:00	63.0	↑0.2
4/10 02:10	63.0	0	満潮
4/10 02:20	63.0	0
4/10 02:30	62.8	↓-0.2
4/10 02:40	62.5	↓-0.3
4/10 02:50	62.1	↓-0.4
4/10 03:00	61.6	↓-0.5
4/10 03:10	61.0	↓-0.6
4/10 03:20	60.4	↓-0.6
4/10 03:30	59.6	↓-0.8
4/10 03:40	58.8	↓-0.8
4/10 03:50	57.9	↓-0.9
4/10 04:00	56.9	↓-1.0
4/10 04:10	55.9	↓-1.0
4/10 04:20	54.9	↓-1.0
4/10 04:30	53.9	↓-1.0
4/10 04:40	52.8	↓-1.1
4/10 04:50	51.7	↓-1.1
4/10 05:00	50.7	↓-1.0
4/10 05:10	49.6	↓-1.1
4/10 05:20	48.6	↓-1.0
4/10 05:30	47.7	↓-0.9
4/10 05:40	46.8	↓-0.9
4/10 05:50	45.9	↓-0.9
4/10 06:00	45.2	↓-0.7
4/10 06:10	44.5	↓-0.7
4/10 06:20	43.9	↓-0.6
4/10 06:30	43.4	↓-0.5
4/10 06:40	43.0	↓-0.4
4/10 06:50	42.7	↓-0.3
4/10 07:00	42.5	↓-0.2	干潮
4/10 07:10	42.5	0
4/10 07:20	42.6	↑0.1
4/10 07:30	42.8	↑0.2
4/10 07:40	43.2	↑0.4
4/10 07:50	43.6	↑0.4
4/10 08:00	44.2	↑0.6
4/10 08:10	45.0	↑0.8
4/10 08:20	45.9	↑0.9
4/10 08:30	46.8	↑0.9
4/10 08:40	48.0	↑1.2
4/10 08:50	49.2	↑1.2
4/10 09:00	50.5	↑1.3
4/10 09:10	52.0	↑1.5
4/10 09:20	53.5	↑1.5
4/10 09:30	55.1	↑1.6
4/10 09:40	56.8	↑1.7
4/10 09:50	58.6	↑1.8
4/10 10:00	60.4	↑1.8
4/10 10:10	62.3	↑1.9
4/10 10:20	64.1	↑1.8
4/10 10:30	66.1	↑2.0
4/10 10:40	68.0	↑1.9
4/10 10:50	69.9	↑1.9
4/10 11:00	71.8	↑1.9
4/10 11:10	73.6	↑1.8
4/10 11:20	75.4	↑1.8
4/10 11:30	77.2	↑1.8
4/10 11:40	78.9	↑1.7
4/10 11:50	80.5	↑1.6
4/10 12:00	82.0	↑1.5
4/10 12:10	83.4	↑1.4
4/10 12:20	84.6	↑1.2
4/10 12:30	85.8	↑1.2
4/10 12:40	86.8	↑1.0
4/10 12:50	87.7	↑0.9
4/10 13:00	88.5	↑0.8
4/10 13:10	89.0	↑0.5
4/10 13:20	89.5	↑0.5
4/10 13:30	89.7	↑0.2
4/10 13:40	89.8	↑0.1	満潮
4/10 13:50	89.7	↓-0.1
4/10 14:00	89.5	↓-0.2
4/10 14:10	89.0	↓-0.5
4/10 14:20	88.4	↓-0.6
4/10 14:30	87.7	↓-0.7
4/10 14:40	86.8	↓-0.9
4/10 14:50	85.7	↓-1.1
4/10 15:00	84.4	↓-1.3
4/10 15:10	83.1	↓-1.3
4/10 15:20	81.5	↓-1.6
4/10 15:30	79.9	↓-1.6
4/10 15:40	78.1	↓-1.8
4/10 15:50	76.2	↓-1.9
4/10 16:00	74.3	↓-1.9
4/10 16:10	72.2	↓-2.1
4/10 16:20	70.0	↓-2.2
4/10 16:30	67.8	↓-2.2
4/10 16:40	65.6	↓-2.2
4/10 16:50	63.3	↓-2.3	最大潮位差
4/10 17:00	61.0	↓-2.3	最大潮位差
4/10 17:10	58.7	↓-2.3	最大潮位差
4/10 17:20	56.4	↓-2.3	最大潮位差
4/10 17:30	54.1	↓-2.3	最大潮位差
4/10 17:40	51.9	↓-2.2
4/10 17:50	49.7	↓-2.2
4/10 18:00	47.6	↓-2.1
4/10 18:10	45.6	↓-2.0
4/10 18:20	43.6	↓-2.0
4/10 18:30	41.8	↓-1.8
4/10 18:40	40.0	↓-1.8
4/10 18:50	38.4	↓-1.6
4/10 19:00	36.9	↓-1.5
4/10 19:10	35.6	↓-1.3
4/10 19:20	34.4	↓-1.2
4/10 19:30	33.3	↓-1.1
4/10 19:40	32.4	↓-0.9
4/10 19:50	31.7	↓-0.7
4/10 20:00	31.2	↓-0.5
4/10 20:10	30.8	↓-0.4
4/10 20:20	30.6	↓-0.2	干潮
4/10 20:30	30.5	↓-0.1
4/10 20:40	30.6	↑0.1
4/10 20:50	30.9	↑0.3
4/10 21:00	31.4	↑0.5
4/10 21:10	32.0	↑0.6
4/10 21:20	32.7	↑0.7
4/10 21:30	33.6	↑0.9
4/10 21:40	34.6	↑1.0
4/10 21:50	35.8	↑1.2
4/10 22:00	37.1	↑1.3
4/10 22:10	38.4	↑1.3
4/10 22:20	39.9	↑1.5
4/10 22:30	41.4	↑1.5
4/10 22:40	43.1	↑1.7
4/10 22:50	44.7	↑1.6
4/10 23:00	46.4	↑1.7
4/10 23:10	48.2	↑1.8
4/10 23:20	49.9	↑1.7
4/10 23:30	51.7	↑1.8
4/10 23:40	53.4	↑1.7
4/10 23:50	55.1	↑1.7