20 (金)	09:55	04:04	22:00	15:00
	65cm	47cm	87cm	53cm
長潮 出 03:38 入 19:08 出 - 入 12:58

コイセボイ（北海道）2025年06月20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
6/20 00:00	66.3	↓-1.2
6/20 00:10	65.2	↓-1.1
6/20 00:20	64.0	↓-1.2
6/20 00:30	62.8	↓-1.2
6/20 00:40	61.6	↓-1.2
6/20 00:50	60.5	↓-1.1
6/20 01:00	59.3	↓-1.2
6/20 01:10	58.1	↓-1.2
6/20 01:20	57.0	↓-1.1
6/20 01:30	55.9	↓-1.1
6/20 01:40	54.9	↓-1.0
6/20 01:50	53.9	↓-1.0
6/20 02:00	52.9	↓-1.0
6/20 02:10	52.0	↓-0.9
6/20 02:20	51.2	↓-0.8
6/20 02:30	50.4	↓-0.8
6/20 02:40	49.7	↓-0.7
6/20 02:50	49.1	↓-0.6
6/20 03:00	48.5	↓-0.6
6/20 03:10	48.1	↓-0.4
6/20 03:20	47.7	↓-0.4
6/20 03:30	47.4	↓-0.3
6/20 03:40	47.1	↓-0.3
6/20 03:50	47.0	↓-0.1
6/20 04:00	46.9	↓-0.1	干潮
6/20 04:10	46.9	0
6/20 04:20	47.0	↑0.1
6/20 04:30	47.2	↑0.2
6/20 04:40	47.5	↑0.3
6/20 04:50	47.8	↑0.3
6/20 05:00	48.2	↑0.4
6/20 05:10	48.6	↑0.4
6/20 05:20	49.1	↑0.5
6/20 05:30	49.7	↑0.6
6/20 05:40	50.3	↑0.6
6/20 05:50	51.0	↑0.7
6/20 06:00	51.7	↑0.7
6/20 06:10	52.4	↑0.7
6/20 06:20	53.1	↑0.7
6/20 06:30	53.9	↑0.8
6/20 06:40	54.7	↑0.8
6/20 06:50	55.5	↑0.8
6/20 07:00	56.3	↑0.8
6/20 07:10	57.1	↑0.8
6/20 07:20	57.9	↑0.8
6/20 07:30	58.6	↑0.7
6/20 07:40	59.4	↑0.8
6/20 07:50	60.1	↑0.7
6/20 08:00	60.7	↑0.6
6/20 08:10	61.4	↑0.7
6/20 08:20	62.0	↑0.6
6/20 08:30	62.5	↑0.5
6/20 08:40	63.0	↑0.5
6/20 08:50	63.4	↑0.4
6/20 09:00	63.8	↑0.4
6/20 09:10	64.1	↑0.3
6/20 09:20	64.4	↑0.3
6/20 09:30	64.6	↑0.2
6/20 09:40	64.7	↑0.1
6/20 09:50	64.8	↑0.1	満潮
6/20 10:00	64.7	↓-0.1
6/20 10:10	64.7	0
6/20 10:20	64.5	↓-0.2
6/20 10:30	64.3	↓-0.2
6/20 10:40	64.1	↓-0.2
6/20 10:50	63.8	↓-0.3
6/20 11:00	63.4	↓-0.4
6/20 11:10	63.0	↓-0.4
6/20 11:20	62.5	↓-0.5
6/20 11:30	62.0	↓-0.5
6/20 11:40	61.5	↓-0.5
6/20 11:50	60.9	↓-0.6
6/20 12:00	60.3	↓-0.6
6/20 12:10	59.7	↓-0.6
6/20 12:20	59.1	↓-0.6
6/20 12:30	58.5	↓-0.6
6/20 12:40	57.8	↓-0.7
6/20 12:50	57.2	↓-0.6
6/20 13:00	56.6	↓-0.6
6/20 13:10	56.0	↓-0.6
6/20 13:20	55.4	↓-0.6
6/20 13:30	54.9	↓-0.5
6/20 13:40	54.4	↓-0.5
6/20 13:50	53.9	↓-0.5
6/20 14:00	53.5	↓-0.4
6/20 14:10	53.1	↓-0.4
6/20 14:20	52.8	↓-0.3
6/20 14:30	52.6	↓-0.2
6/20 14:40	52.4	↓-0.2
6/20 14:50	52.3	↓-0.1	干潮
6/20 15:00	52.3	0	干潮
6/20 15:10	52.3	0
6/20 15:20	52.4	↑0.1
6/20 15:30	52.6	↑0.2
6/20 15:40	52.9	↑0.3
6/20 15:50	53.3	↑0.4
6/20 16:00	53.7	↑0.4
6/20 16:10	54.3	↑0.6
6/20 16:20	54.9	↑0.6
6/20 16:30	55.6	↑0.7
6/20 16:40	56.3	↑0.7
6/20 16:50	57.2	↑0.9
6/20 17:00	58.1	↑0.9
6/20 17:10	59.1	↑1.0
6/20 17:20	60.1	↑1.0
6/20 17:30	61.2	↑1.1
6/20 17:40	62.3	↑1.1
6/20 17:50	63.5	↑1.2
6/20 18:00	64.7	↑1.2
6/20 18:10	66.0	↑1.3
6/20 18:20	67.2	↑1.2
6/20 18:30	68.5	↑1.3
6/20 18:40	69.8	↑1.3
6/20 18:50	71.1	↑1.3
6/20 19:00	72.5	↑1.4	最大潮位差
6/20 19:10	73.7	↑1.2
6/20 19:20	75.0	↑1.3
6/20 19:30	76.2	↑1.2
6/20 19:40	77.4	↑1.2
6/20 19:50	78.6	↑1.2
6/20 20:00	79.7	↑1.1
6/20 20:10	80.8	↑1.1
6/20 20:20	81.8	↑1.0
6/20 20:30	82.7	↑0.9
6/20 20:40	83.5	↑0.8
6/20 20:50	84.3	↑0.8
6/20 21:00	84.9	↑0.6
6/20 21:10	85.5	↑0.6
6/20 21:20	86.0	↑0.5
6/20 21:30	86.3	↑0.3
6/20 21:40	86.6	↑0.3
6/20 21:50	86.8	↑0.2	満潮
6/20 22:00	86.8	0	満潮
6/20 22:10	86.7	↓-0.1
6/20 22:20	86.6	↓-0.1
6/20 22:30	86.3	↓-0.3
6/20 22:40	85.9	↓-0.4
6/20 22:50	85.4	↓-0.5
6/20 23:00	84.8	↓-0.6
6/20 23:10	84.0	↓-0.8
6/20 23:20	83.2	↓-0.8
6/20 23:30	82.3	↓-0.9
6/20 23:40	81.3	↓-1.0
6/20 23:50	80.1	↓-1.2