09 (日)	01:30	07:29	13:55	20:01
	72cm	35cm	82cm	39cm
中潮 出 04:50 入 17:58 出 03:26 入 15:44

コイセボイ（北海道）2051年04月09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	66.1	↑1.1
4/9 00:10	67.2	↑1.1
4/9 00:20	68.1	↑0.9
4/9 00:30	69.0	↑0.9
4/9 00:40	69.7	↑0.7
4/9 00:50	70.3	↑0.6
4/9 01:00	70.7	↑0.4
4/9 01:10	71.1	↑0.4
4/9 01:20	71.3	↑0.2	満潮
4/9 01:30	71.3	0	満潮
4/9 01:40	71.2	↓-0.1
4/9 01:50	71.0	↓-0.2
4/9 02:00	70.7	↓-0.3
4/9 02:10	70.2	↓-0.5
4/9 02:20	69.6	↓-0.6
4/9 02:30	68.8	↓-0.8
4/9 02:40	68.0	↓-0.8
4/9 02:50	67.0	↓-1.0
4/9 03:00	65.9	↓-1.1
4/9 03:10	64.7	↓-1.2
4/9 03:20	63.4	↓-1.3
4/9 03:30	62.1	↓-1.3
4/9 03:40	60.6	↓-1.5
4/9 03:50	59.1	↓-1.5
4/9 04:00	57.6	↓-1.5
4/9 04:10	56.0	↓-1.6
4/9 04:20	54.4	↓-1.6
4/9 04:30	52.8	↓-1.6
4/9 04:40	51.1	↓-1.7
4/9 04:50	49.5	↓-1.6
4/9 05:00	47.9	↓-1.6
4/9 05:10	46.4	↓-1.5
4/9 05:20	44.9	↓-1.5
4/9 05:30	43.4	↓-1.5
4/9 05:40	42.0	↓-1.4
4/9 05:50	40.7	↓-1.3
4/9 06:00	39.5	↓-1.2
4/9 06:10	38.4	↓-1.1
4/9 06:20	37.4	↓-1.0
4/9 06:30	36.5	↓-0.9
4/9 06:40	35.7	↓-0.8
4/9 06:50	35.1	↓-0.6
4/9 07:00	34.6	↓-0.5
4/9 07:10	34.3	↓-0.3
4/9 07:20	34.1	↓-0.2	干潮
4/9 07:30	34.1	0
4/9 07:40	34.2	↑0.1
4/9 07:50	34.4	↑0.2
4/9 08:00	34.8	↑0.4
4/9 08:10	35.4	↑0.6
4/9 08:20	36.1	↑0.7
4/9 08:30	37.0	↑0.9
4/9 08:40	37.9	↑0.9
4/9 08:50	39.1	↑1.2
4/9 09:00	40.3	↑1.2
4/9 09:10	41.7	↑1.4
4/9 09:20	43.1	↑1.4
4/9 09:30	44.7	↑1.6
4/9 09:40	46.4	↑1.7
4/9 09:50	48.1	↑1.7
4/9 10:00	49.9	↑1.8
4/9 10:10	51.8	↑1.9
4/9 10:20	53.7	↑1.9
4/9 10:30	55.7	↑2.0	最大潮位差
4/9 10:40	57.6	↑1.9
4/9 10:50	59.6	↑2.0	最大潮位差
4/9 11:00	61.5	↑1.9
4/9 11:10	63.4	↑1.9
4/9 11:20	65.3	↑1.9
4/9 11:30	67.2	↑1.9
4/9 11:40	69.0	↑1.8
4/9 11:50	70.7	↑1.7
4/9 12:00	72.3	↑1.6
4/9 12:10	73.8	↑1.5
4/9 12:20	75.3	↑1.5
4/9 12:30	76.6	↑1.3
4/9 12:40	77.7	↑1.1
4/9 12:50	78.8	↑1.1
4/9 13:00	79.7	↑0.9
4/9 13:10	80.5	↑0.8
4/9 13:20	81.1	↑0.6
4/9 13:30	81.5	↑0.4
4/9 13:40	81.8	↑0.3
4/9 13:50	82.0	↑0.2	満潮
4/9 14:00	82.0	0
4/9 14:10	81.8	↓-0.2
4/9 14:20	81.4	↓-0.4
4/9 14:30	80.9	↓-0.5
4/9 14:40	80.3	↓-0.6
4/9 14:50	79.5	↓-0.8
4/9 15:00	78.5	↓-1.0
4/9 15:10	77.5	↓-1.0
4/9 15:20	76.3	↓-1.2
4/9 15:30	75.0	↓-1.3
4/9 15:40	73.5	↓-1.5
4/9 15:50	72.0	↓-1.5
4/9 16:00	70.4	↓-1.6
4/9 16:10	68.7	↓-1.7
4/9 16:20	67.0	↓-1.7
4/9 16:30	65.2	↓-1.8
4/9 16:40	63.3	↓-1.9
4/9 16:50	61.5	↓-1.8
4/9 17:00	59.6	↓-1.9
4/9 17:10	57.8	↓-1.8
4/9 17:20	55.9	↓-1.9
4/9 17:30	54.1	↓-1.8
4/9 17:40	52.4	↓-1.7
4/9 17:50	50.7	↓-1.7
4/9 18:00	49.0	↓-1.7
4/9 18:10	47.5	↓-1.5
4/9 18:20	46.0	↓-1.5
4/9 18:30	44.7	↓-1.3
4/9 18:40	43.4	↓-1.3
4/9 18:50	42.3	↓-1.1
4/9 19:00	41.3	↓-1.0
4/9 19:10	40.5	↓-0.8
4/9 19:20	39.8	↓-0.7
4/9 19:30	39.2	↓-0.6
4/9 19:40	38.8	↓-0.4
4/9 19:50	38.6	↓-0.2
4/9 20:00	38.5	↓-0.1	干潮
4/9 20:10	38.6	↑0.1
4/9 20:20	38.8	↑0.2
4/9 20:30	39.2	↑0.4
4/9 20:40	39.7	↑0.5
4/9 20:50	40.4	↑0.7
4/9 21:00	41.2	↑0.8
4/9 21:10	42.2	↑1.0
4/9 21:20	43.3	↑1.1
4/9 21:30	44.5	↑1.2
4/9 21:40	45.8	↑1.3
4/9 21:50	47.3	↑1.5
4/9 22:00	48.8	↑1.5
4/9 22:10	50.4	↑1.6
4/9 22:20	52.1	↑1.7
4/9 22:30	53.8	↑1.7
4/9 22:40	55.6	↑1.8
4/9 22:50	57.3	↑1.7
4/9 23:00	59.1	↑1.8
4/9 23:10	60.9	↑1.8
4/9 23:20	62.7	↑1.8
4/9 23:30	64.5	↑1.8
4/9 23:40	66.2	↑1.7
4/9 23:50	67.9	↑1.7