30 (火)	10:04	04:22	22:23	15:22
	67cm	51cm	88cm	53cm
長潮 出 03:42 入 19:09 出 13:33 入 00:07

コイセボイ（北海道）2020年06月30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
6/30 00:00	70.8	↓-1.1
6/30 00:10	69.7	↓-1.1
6/30 00:20	68.6	↓-1.1
6/30 00:30	67.5	↓-1.1
6/30 00:40	66.4	↓-1.1
6/30 00:50	65.2	↓-1.2
6/30 01:00	64.1	↓-1.1
6/30 01:10	62.9	↓-1.2
6/30 01:20	61.8	↓-1.1
6/30 01:30	60.7	↓-1.1
6/30 01:40	59.6	↓-1.1
6/30 01:50	58.5	↓-1.1
6/30 02:00	57.5	↓-1.0
6/30 02:10	56.6	↓-0.9
6/30 02:20	55.6	↓-1.0
6/30 02:30	54.8	↓-0.8
6/30 02:40	54.0	↓-0.8
6/30 02:50	53.3	↓-0.7
6/30 03:00	52.6	↓-0.7
6/30 03:10	52.0	↓-0.6
6/30 03:20	51.5	↓-0.5
6/30 03:30	51.0	↓-0.5
6/30 03:40	50.7	↓-0.3
6/30 03:50	50.4	↓-0.3
6/30 04:00	50.2	↓-0.2
6/30 04:10	50.1	↓-0.1
6/30 04:20	50.0	↓-0.1	干潮
6/30 04:30	50.1	↑0.1
6/30 04:40	50.2	↑0.1
6/30 04:50	50.4	↑0.2
6/30 05:00	50.6	↑0.2
6/30 05:10	50.9	↑0.3
6/30 05:20	51.3	↑0.4
6/30 05:30	51.8	↑0.5
6/30 05:40	52.3	↑0.5
6/30 05:50	52.8	↑0.5
6/30 06:00	53.4	↑0.6
6/30 06:10	54.1	↑0.7
6/30 06:20	54.8	↑0.7
6/30 06:30	55.5	↑0.7
6/30 06:40	56.2	↑0.7
6/30 06:50	56.9	↑0.7
6/30 07:00	57.7	↑0.8
6/30 07:10	58.4	↑0.7
6/30 07:20	59.2	↑0.8
6/30 07:30	59.9	↑0.7
6/30 07:40	60.7	↑0.8
6/30 07:50	61.4	↑0.7
6/30 08:00	62.1	↑0.7
6/30 08:10	62.7	↑0.6
6/30 08:20	63.3	↑0.6
6/30 08:30	63.9	↑0.6
6/30 08:40	64.5	↑0.6
6/30 08:50	64.9	↑0.4
6/30 09:00	65.4	↑0.5
6/30 09:10	65.7	↑0.3
6/30 09:20	66.0	↑0.3
6/30 09:30	66.3	↑0.3
6/30 09:40	66.5	↑0.2
6/30 09:50	66.6	↑0.1
6/30 10:00	66.7	↑0.1	満潮
6/30 10:10	66.6	↓-0.1
6/30 10:20	66.6	0
6/30 10:30	66.4	↓-0.2
6/30 10:40	66.2	↓-0.2
6/30 10:50	66.0	↓-0.2
6/30 11:00	65.6	↓-0.4
6/30 11:10	65.3	↓-0.3
6/30 11:20	64.8	↓-0.5
6/30 11:30	64.4	↓-0.4
6/30 11:40	63.8	↓-0.6
6/30 11:50	63.3	↓-0.5
6/30 12:00	62.7	↓-0.6
6/30 12:10	62.1	↓-0.6
6/30 12:20	61.4	↓-0.7
6/30 12:30	60.8	↓-0.6
6/30 12:40	60.1	↓-0.7
6/30 12:50	59.4	↓-0.7
6/30 13:00	58.7	↓-0.7
6/30 13:10	58.1	↓-0.6
6/30 13:20	57.4	↓-0.7
6/30 13:30	56.8	↓-0.6
6/30 13:40	56.2	↓-0.6
6/30 13:50	55.6	↓-0.6
6/30 14:00	55.0	↓-0.6
6/30 14:10	54.6	↓-0.4
6/30 14:20	54.1	↓-0.5
6/30 14:30	53.7	↓-0.4
6/30 14:40	53.4	↓-0.3
6/30 14:50	53.1	↓-0.3
6/30 15:00	53.0	↓-0.1
6/30 15:10	52.8	↓-0.2
6/30 15:20	52.8	0	干潮
6/30 15:30	52.8	0
6/30 15:40	52.9	↑0.1
6/30 15:50	53.1	↑0.2
6/30 16:00	53.4	↑0.3
6/30 16:10	53.8	↑0.4
6/30 16:20	54.2	↑0.4
6/30 16:30	54.8	↑0.6
6/30 16:40	55.4	↑0.6
6/30 16:50	56.1	↑0.7
6/30 17:00	56.8	↑0.7
6/30 17:10	57.7	↑0.9
6/30 17:20	58.6	↑0.9
6/30 17:30	59.6	↑1.0
6/30 17:40	60.6	↑1.0
6/30 17:50	61.7	↑1.1
6/30 18:00	62.9	↑1.2
6/30 18:10	64.1	↑1.2
6/30 18:20	65.3	↑1.2
6/30 18:30	66.6	↑1.3
6/30 18:40	67.9	↑1.3
6/30 18:50	69.2	↑1.3
6/30 19:00	70.5	↑1.3
6/30 19:10	71.8	↑1.3
6/30 19:20	73.1	↑1.3
6/30 19:30	74.5	↑1.4	最大潮位差
6/30 19:40	75.7	↑1.2
6/30 19:50	77.0	↑1.3
6/30 20:00	78.2	↑1.2
6/30 20:10	79.4	↑1.2
6/30 20:20	80.6	↑1.2
6/30 20:30	81.6	↑1.0
6/30 20:40	82.6	↑1.0
6/30 20:50	83.6	↑1.0
6/30 21:00	84.4	↑0.8
6/30 21:10	85.2	↑0.8
6/30 21:20	85.9	↑0.7
6/30 21:30	86.5	↑0.6
6/30 21:40	87.0	↑0.5
6/30 21:50	87.4	↑0.4
6/30 22:00	87.7	↑0.3
6/30 22:10	87.9	↑0.2
6/30 22:20	88.0	↑0.1	満潮
6/30 22:30	87.9	↓-0.1
6/30 22:40	87.8	↓-0.1
6/30 22:50	87.5	↓-0.3
6/30 23:00	87.2	↓-0.3
6/30 23:10	86.7	↓-0.5
6/30 23:20	86.1	↓-0.6
6/30 23:30	85.4	↓-0.7
6/30 23:40	84.6	↓-0.8
6/30 23:50	83.7	↓-0.9