9 (木)	01:22	03:54	11:16	18:53
	56cm	54cm	83cm	34cm
中潮 出 04:48 入 17:59 出 02:37 入 13:57

コイセボイ（北海道）2048年04月9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
4/9 00:00	53.8	↑0.4
4/9 00:10	54.1	↑0.3
4/9 00:20	54.4	↑0.3
4/9 00:30	54.7	↑0.3
4/9 00:40	54.8	↑0.1
4/9 00:50	55.0	↑0.2
4/9 01:00	55.1	↑0.1
4/9 01:10	55.2	↑0.1
4/9 01:20	55.2	0	満潮
4/9 01:30	55.2	0
4/9 01:40	55.1	↓-0.1
4/9 01:50	55.0	↓-0.1
4/9 02:00	55.0	0
4/9 02:10	54.8	↓-0.2
4/9 02:20	54.7	↓-0.1
4/9 02:30	54.6	↓-0.1
4/9 02:40	54.5	↓-0.1
4/9 02:50	54.3	↓-0.2
4/9 03:00	54.2	↓-0.1
4/9 03:10	54.1	↓-0.1
4/9 03:20	54.0	↓-0.1
4/9 03:30	53.9	↓-0.1
4/9 03:40	53.8	↓-0.1
4/9 03:50	53.8	0	干潮
4/9 04:00	53.8	0
4/9 04:10	53.9	↑0.1
4/9 04:20	53.9	0
4/9 04:30	54.1	↑0.2
4/9 04:40	54.3	↑0.2
4/9 04:50	54.5	↑0.2
4/9 05:00	54.8	↑0.3
4/9 05:10	55.1	↑0.3
4/9 05:20	55.5	↑0.4
4/9 05:30	55.9	↑0.4
4/9 05:40	56.5	↑0.6
4/9 05:50	57.0	↑0.5
4/9 06:00	57.6	↑0.6
4/9 06:10	58.3	↑0.7
4/9 06:20	59.0	↑0.7
4/9 06:30	59.8	↑0.8
4/9 06:40	60.7	↑0.9
4/9 06:50	61.5	↑0.8
4/9 07:00	62.4	↑0.9
4/9 07:10	63.4	↑1.0
4/9 07:20	64.4	↑1.0
4/9 07:30	65.4	↑1.0
4/9 07:40	66.4	↑1.0
4/9 07:50	67.5	↑1.1
4/9 08:00	68.6	↑1.1
4/9 08:10	69.6	↑1.0
4/9 08:20	70.7	↑1.1
4/9 08:30	71.8	↑1.1
4/9 08:40	72.8	↑1.0
4/9 08:50	73.9	↑1.1
4/9 09:00	74.9	↑1.0
4/9 09:10	75.9	↑1.0
4/9 09:20	76.8	↑0.9
4/9 09:30	77.7	↑0.9
4/9 09:40	78.5	↑0.8
4/9 09:50	79.3	↑0.8
4/9 10:00	80.0	↑0.7
4/9 10:10	80.6	↑0.6
4/9 10:20	81.2	↑0.6
4/9 10:30	81.7	↑0.5
4/9 10:40	82.0	↑0.3
4/9 10:50	82.3	↑0.3
4/9 11:00	82.5	↑0.2
4/9 11:10	82.6	↑0.1	満潮
4/9 11:20	82.6	0
4/9 11:30	82.5	↓-0.1
4/9 11:40	82.3	↓-0.2
4/9 11:50	82.0	↓-0.3
4/9 12:00	81.6	↓-0.4
4/9 12:10	81.1	↓-0.5
4/9 12:20	80.5	↓-0.6
4/9 12:30	79.7	↓-0.8
4/9 12:40	78.9	↓-0.8
4/9 12:50	78.0	↓-0.9
4/9 13:00	77.0	↓-1.0
4/9 13:10	75.8	↓-1.2
4/9 13:20	74.6	↓-1.2
4/9 13:30	73.4	↓-1.2
4/9 13:40	72.0	↓-1.4
4/9 13:50	70.6	↓-1.4
4/9 14:00	69.1	↓-1.5
4/9 14:10	67.6	↓-1.5
4/9 14:20	66.0	↓-1.6
4/9 14:30	64.3	↓-1.7	最大潮位差
4/9 14:40	62.7	↓-1.6
4/9 14:50	61.0	↓-1.7	最大潮位差
4/9 15:00	59.3	↓-1.7	最大潮位差
4/9 15:10	57.6	↓-1.7	最大潮位差
4/9 15:20	55.9	↓-1.7	最大潮位差
4/9 15:30	54.2	↓-1.7	最大潮位差
4/9 15:40	52.5	↓-1.7	最大潮位差
4/9 15:50	50.9	↓-1.6
4/9 16:00	49.3	↓-1.6
4/9 16:10	47.7	↓-1.6
4/9 16:20	46.2	↓-1.5
4/9 16:30	44.7	↓-1.5
4/9 16:40	43.4	↓-1.3
4/9 16:50	42.1	↓-1.3
4/9 17:00	40.8	↓-1.3
4/9 17:10	39.7	↓-1.1
4/9 17:20	38.6	↓-1.1
4/9 17:30	37.7	↓-0.9
4/9 17:40	36.8	↓-0.9
4/9 17:50	36.1	↓-0.7
4/9 18:00	35.4	↓-0.7
4/9 18:10	34.9	↓-0.5
4/9 18:20	34.5	↓-0.4
4/9 18:30	34.2	↓-0.3
4/9 18:40	34.0	↓-0.2
4/9 18:50	33.9	↓-0.1	干潮
4/9 19:00	33.9	0
4/9 19:10	34.1	↑0.2
4/9 19:20	34.3	↑0.2
4/9 19:30	34.6	↑0.3
4/9 19:40	35.1	↑0.5
4/9 19:50	35.6	↑0.5
4/9 20:00	36.3	↑0.7
4/9 20:10	37.0	↑0.7
4/9 20:20	37.8	↑0.8
4/9 20:30	38.6	↑0.8
4/9 20:40	39.5	↑0.9
4/9 20:50	40.5	↑1.0
4/9 21:00	41.6	↑1.1
4/9 21:10	42.6	↑1.0
4/9 21:20	43.7	↑1.1
4/9 21:30	44.9	↑1.2
4/9 21:40	46.0	↑1.1
4/9 21:50	47.2	↑1.2
4/9 22:00	48.3	↑1.1
4/9 22:10	49.5	↑1.2
4/9 22:20	50.6	↑1.1
4/9 22:30	51.7	↑1.1
4/9 22:40	52.7	↑1.0
4/9 22:50	53.8	↑1.1
4/9 23:00	54.8	↑1.0
4/9 23:10	55.7	↑0.9
4/9 23:20	56.5	↑0.8
4/9 23:30	57.3	↑0.8
4/9 23:40	58.1	↑0.8
4/9 23:50	58.7	↑0.6