21 (日)	11:11	05:16	22:17	14:20
	56cm	41cm	97cm	54cm
若潮 出 03:38 入 19:09 出 13:33 入 23:57

コイセボイ（北海道）2048年06月21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
6/21 00:00	75.6	↓-1.4
6/21 00:10	74.1	↓-1.5
6/21 00:20	72.6	↓-1.5
6/21 00:30	71.0	↓-1.6
6/21 00:40	69.5	↓-1.5
6/21 00:50	67.9	↓-1.6
6/21 01:00	66.2	↓-1.7	最大潮位差
6/21 01:10	64.6	↓-1.6
6/21 01:20	63.0	↓-1.6
6/21 01:30	61.4	↓-1.6
6/21 01:40	59.8	↓-1.6
6/21 01:50	58.2	↓-1.6
6/21 02:00	56.7	↓-1.5
6/21 02:10	55.2	↓-1.5
6/21 02:20	53.8	↓-1.4
6/21 02:30	52.4	↓-1.4
6/21 02:40	51.0	↓-1.4
6/21 02:50	49.8	↓-1.2
6/21 03:00	48.5	↓-1.3
6/21 03:10	47.4	↓-1.1
6/21 03:20	46.4	↓-1.0
6/21 03:30	45.4	↓-1.0
6/21 03:40	44.5	↓-0.9
6/21 03:50	43.7	↓-0.8
6/21 04:00	43.0	↓-0.7
6/21 04:10	42.4	↓-0.6
6/21 04:20	41.9	↓-0.5
6/21 04:30	41.4	↓-0.5
6/21 04:40	41.1	↓-0.3
6/21 04:50	40.8	↓-0.3
6/21 05:00	40.6	↓-0.2
6/21 05:10	40.5	↓-0.1	干潮
6/21 05:20	40.5	0
6/21 05:30	40.6	↑0.1
6/21 05:40	40.8	↑0.2
6/21 05:50	41.0	↑0.2
6/21 06:00	41.3	↑0.3
6/21 06:10	41.6	↑0.3
6/21 06:20	42.1	↑0.5
6/21 06:30	42.5	↑0.4
6/21 06:40	43.1	↑0.6
6/21 06:50	43.6	↑0.5
6/21 07:00	44.2	↑0.6
6/21 07:10	44.8	↑0.6
6/21 07:20	45.5	↑0.7
6/21 07:30	46.2	↑0.7
6/21 07:40	46.8	↑0.6
6/21 07:50	47.5	↑0.7
6/21 08:00	48.2	↑0.7
6/21 08:10	48.9	↑0.7
6/21 08:20	49.6	↑0.7
6/21 08:30	50.2	↑0.6
6/21 08:40	50.9	↑0.7
6/21 08:50	51.5	↑0.6
6/21 09:00	52.1	↑0.6
6/21 09:10	52.6	↑0.5
6/21 09:20	53.1	↑0.5
6/21 09:30	53.6	↑0.5
6/21 09:40	54.1	↑0.5
6/21 09:50	54.5	↑0.4
6/21 10:00	54.8	↑0.3
6/21 10:10	55.1	↑0.3
6/21 10:20	55.4	↑0.3
6/21 10:30	55.6	↑0.2
6/21 10:40	55.7	↑0.1
6/21 10:50	55.8	↑0.1
6/21 11:00	55.9	↑0.1
6/21 11:10	55.9	0	満潮
6/21 11:20	55.9	0
6/21 11:30	55.8	↓-0.1
6/21 11:40	55.7	↓-0.1
6/21 11:50	55.6	↓-0.1
6/21 12:00	55.5	↓-0.1
6/21 12:10	55.3	↓-0.2
6/21 12:20	55.1	↓-0.2
6/21 12:30	54.9	↓-0.2
6/21 12:40	54.7	↓-0.2
6/21 12:50	54.5	↓-0.2
6/21 13:00	54.2	↓-0.3
6/21 13:10	54.0	↓-0.2
6/21 13:20	53.8	↓-0.2
6/21 13:30	53.6	↓-0.2
6/21 13:40	53.5	↓-0.1
6/21 13:50	53.3	↓-0.2
6/21 14:00	53.2	↓-0.1
6/21 14:10	53.2	0	干潮
6/21 14:20	53.2	0	干潮
6/21 14:30	53.2	0
6/21 14:40	53.3	↑0.1
6/21 14:50	53.4	↑0.1
6/21 15:00	53.6	↑0.2
6/21 15:10	53.9	↑0.3
6/21 15:20	54.2	↑0.3
6/21 15:30	54.6	↑0.4
6/21 15:40	55.1	↑0.5
6/21 15:50	55.6	↑0.5
6/21 16:00	56.2	↑0.6
6/21 16:10	56.9	↑0.7
6/21 16:20	57.7	↑0.8
6/21 16:30	58.5	↑0.8
6/21 16:40	59.4	↑0.9
6/21 16:50	60.4	↑1.0
6/21 17:00	61.4	↑1.0
6/21 17:10	62.5	↑1.1
6/21 17:20	63.7	↑1.2
6/21 17:30	64.9	↑1.2
6/21 17:40	66.2	↑1.3
6/21 17:50	67.5	↑1.3
6/21 18:00	68.9	↑1.4
6/21 18:10	70.3	↑1.4
6/21 18:20	71.7	↑1.4
6/21 18:30	73.2	↑1.5
6/21 18:40	74.6	↑1.4
6/21 18:50	76.1	↑1.5
6/21 19:00	77.6	↑1.5
6/21 19:10	79.0	↑1.4
6/21 19:20	80.5	↑1.5
6/21 19:30	81.9	↑1.4
6/21 19:40	83.4	↑1.5
6/21 19:50	84.7	↑1.3
6/21 20:00	86.0	↑1.3
6/21 20:10	87.3	↑1.3
6/21 20:20	88.5	↑1.2
6/21 20:30	89.7	↑1.2
6/21 20:40	90.7	↑1.0
6/21 20:50	91.7	↑1.0
6/21 21:00	92.6	↑0.9
6/21 21:10	93.4	↑0.8
6/21 21:20	94.1	↑0.7
6/21 21:30	94.7	↑0.6
6/21 21:40	95.2	↑0.5
6/21 21:50	95.6	↑0.4
6/21 22:00	95.9	↑0.3
6/21 22:10	96.0	↑0.1	満潮
6/21 22:20	96.0	0
6/21 22:30	95.9	↓-0.1
6/21 22:40	95.7	↓-0.2
6/21 22:50	95.3	↓-0.4
6/21 23:00	94.8	↓-0.5
6/21 23:10	94.2	↓-0.6
6/21 23:20	93.5	↓-0.7
6/21 23:30	92.6	↓-0.9
6/21 23:40	91.7	↓-0.9
6/21 23:50	90.6	↓-1.1