21 (水)	08:00	01:49	21:50	15:04
	80cm	57cm	75cm	43cm
小潮 出 03:38 入 19:09 出 11:38 入 -

コイセボイ（北海道）2056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	60.2	↓-0.5
6/21 00:10	59.6	↓-0.6
6/21 00:20	59.1	↓-0.5
6/21 00:30	58.7	↓-0.4
6/21 00:40	58.2	↓-0.5
6/21 00:50	57.9	↓-0.3
6/21 01:00	57.5	↓-0.4
6/21 01:10	57.3	↓-0.2
6/21 01:20	57.1	↓-0.2
6/21 01:30	56.9	↓-0.2
6/21 01:40	56.8	↓-0.1	干潮
6/21 01:50	56.8	0
6/21 02:00	56.9	↑0.1
6/21 02:10	57.0	↑0.1
6/21 02:20	57.2	↑0.2
6/21 02:30	57.4	↑0.2
6/21 02:40	57.8	↑0.4
6/21 02:50	58.2	↑0.4
6/21 03:00	58.6	↑0.4
6/21 03:10	59.2	↑0.6
6/21 03:20	59.8	↑0.6
6/21 03:30	60.4	↑0.6
6/21 03:40	61.1	↑0.7
6/21 03:50	61.9	↑0.8
6/21 04:00	62.7	↑0.8
6/21 04:10	63.5	↑0.8
6/21 04:20	64.4	↑0.9
6/21 04:30	65.3	↑0.9
6/21 04:40	66.2	↑0.9
6/21 04:50	67.1	↑0.9
6/21 05:00	68.1	↑1.0
6/21 05:10	69.0	↑0.9
6/21 05:20	70.0	↑1.0
6/21 05:30	70.9	↑0.9
6/21 05:40	71.8	↑0.9
6/21 05:50	72.7	↑0.9
6/21 06:00	73.6	↑0.9
6/21 06:10	74.4	↑0.8
6/21 06:20	75.2	↑0.8
6/21 06:30	75.9	↑0.7
6/21 06:40	76.6	↑0.7
6/21 06:50	77.2	↑0.6
6/21 07:00	77.7	↑0.5
6/21 07:10	78.2	↑0.5
6/21 07:20	78.5	↑0.3
6/21 07:30	78.8	↑0.3
6/21 07:40	79.0	↑0.2
6/21 07:50	79.2	↑0.2	満潮
6/21 08:00	79.2	0	満潮
6/21 08:10	79.1	↓-0.1
6/21 08:20	79.0	↓-0.1
6/21 08:30	78.7	↓-0.3
6/21 08:40	78.4	↓-0.3
6/21 08:50	78.0	↓-0.4
6/21 09:00	77.5	↓-0.5
6/21 09:10	76.8	↓-0.7
6/21 09:20	76.1	↓-0.7
6/21 09:30	75.4	↓-0.7
6/21 09:40	74.5	↓-0.9
6/21 09:50	73.6	↓-0.9
6/21 10:00	72.5	↓-1.1
6/21 10:10	71.5	↓-1.0
6/21 10:20	70.3	↓-1.2
6/21 10:30	69.1	↓-1.2
6/21 10:40	67.9	↓-1.2
6/21 10:50	66.6	↓-1.3
6/21 11:00	65.3	↓-1.3
6/21 11:10	63.9	↓-1.4	最大潮位差
6/21 11:20	62.6	↓-1.3
6/21 11:30	61.2	↓-1.4	最大潮位差
6/21 11:40	59.8	↓-1.4	最大潮位差
6/21 11:50	58.5	↓-1.3
6/21 12:00	57.1	↓-1.4	最大潮位差
6/21 12:10	55.7	↓-1.4	最大潮位差
6/21 12:20	54.4	↓-1.3
6/21 12:30	53.1	↓-1.3
6/21 12:40	51.9	↓-1.2
6/21 12:50	50.7	↓-1.2
6/21 13:00	49.6	↓-1.1
6/21 13:10	48.5	↓-1.1
6/21 13:20	47.5	↓-1.0
6/21 13:30	46.6	↓-0.9
6/21 13:40	45.7	↓-0.9
6/21 13:50	45.0	↓-0.7
6/21 14:00	44.3	↓-0.7
6/21 14:10	43.7	↓-0.6
6/21 14:20	43.2	↓-0.5
6/21 14:30	42.8	↓-0.4
6/21 14:40	42.6	↓-0.2
6/21 14:50	42.4	↓-0.2
6/21 15:00	42.3	↓-0.1	干潮
6/21 15:10	42.3	0
6/21 15:20	42.4	↑0.1
6/21 15:30	42.6	↑0.2
6/21 15:40	43.0	↑0.4
6/21 15:50	43.4	↑0.4
6/21 16:00	43.9	↑0.5
6/21 16:10	44.5	↑0.6
6/21 16:20	45.2	↑0.7
6/21 16:30	45.9	↑0.7
6/21 16:40	46.8	↑0.9
6/21 16:50	47.7	↑0.9
6/21 17:00	48.7	↑1.0
6/21 17:10	49.7	↑1.0
6/21 17:20	50.8	↑1.1
6/21 17:30	51.9	↑1.1
6/21 17:40	53.1	↑1.2
6/21 17:50	54.3	↑1.2
6/21 18:00	55.5	↑1.2
6/21 18:10	56.8	↑1.3
6/21 18:20	58.0	↑1.2
6/21 18:30	59.3	↑1.3
6/21 18:40	60.5	↑1.2
6/21 18:50	61.7	↑1.2
6/21 19:00	62.9	↑1.2
6/21 19:10	64.1	↑1.2
6/21 19:20	65.2	↑1.1
6/21 19:30	66.3	↑1.1
6/21 19:40	67.4	↑1.1
6/21 19:50	68.4	↑1.0
6/21 20:00	69.3	↑0.9
6/21 20:10	70.2	↑0.9
6/21 20:20	71.0	↑0.8
6/21 20:30	71.7	↑0.7
6/21 20:40	72.3	↑0.6
6/21 20:50	72.9	↑0.6
6/21 21:00	73.3	↑0.4
6/21 21:10	73.7	↑0.4
6/21 21:20	74.0	↑0.3
6/21 21:30	74.2	↑0.2
6/21 21:40	74.4	↑0.2	満潮
6/21 21:50	74.4	0	満潮
6/21 22:00	74.4	0
6/21 22:10	74.2	↓-0.2
6/21 22:20	74.0	↓-0.2
6/21 22:30	73.7	↓-0.3
6/21 22:40	73.3	↓-0.4
6/21 22:50	72.9	↓-0.4
6/21 23:00	72.4	↓-0.5
6/21 23:10	71.8	↓-0.6
6/21 23:20	71.1	↓-0.7
6/21 23:30	70.4	↓-0.7
6/21 23:40	69.7	↓-0.7
6/21 23:50	68.9	↓-0.8