18 (日)	13:45	06:23	23:00	14:15
	56cm	33cm	101cm	56cm
若潮 出 03:38 入 19:08 出 00:03 入 14:31

コイセボイ（北海道）2028年06月18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
6/18 00:00	84.7	↓-1.2
6/18 00:10	83.3	↓-1.4
6/18 00:20	81.9	↓-1.4
6/18 00:30	80.4	↓-1.5
6/18 00:40	78.9	↓-1.5
6/18 00:50	77.2	↓-1.7
6/18 01:00	75.5	↓-1.7
6/18 01:10	73.7	↓-1.8
6/18 01:20	71.9	↓-1.8
6/18 01:30	70.1	↓-1.8
6/18 01:40	68.2	↓-1.9
6/18 01:50	66.2	↓-2.0	最大潮位差
6/18 02:00	64.3	↓-1.9
6/18 02:10	62.4	↓-1.9
6/18 02:20	60.4	↓-2.0	最大潮位差
6/18 02:30	58.5	↓-1.9
6/18 02:40	56.6	↓-1.9
6/18 02:50	54.7	↓-1.9
6/18 03:00	52.9	↓-1.8
6/18 03:10	51.1	↓-1.8
6/18 03:20	49.4	↓-1.7
6/18 03:30	47.7	↓-1.7
6/18 03:40	46.0	↓-1.7
6/18 03:50	44.5	↓-1.5
6/18 04:00	43.0	↓-1.5
6/18 04:10	41.6	↓-1.4
6/18 04:20	40.3	↓-1.3
6/18 04:30	39.1	↓-1.2
6/18 04:40	38.0	↓-1.1
6/18 04:50	37.0	↓-1.0
6/18 05:00	36.1	↓-0.9
6/18 05:10	35.3	↓-0.8
6/18 05:20	34.6	↓-0.7
6/18 05:30	34.0	↓-0.6
6/18 05:40	33.5	↓-0.5
6/18 05:50	33.2	↓-0.3
6/18 06:00	32.9	↓-0.3
6/18 06:10	32.7	↓-0.2
6/18 06:20	32.6	↓-0.1	干潮
6/18 06:30	32.7	↑0.1
6/18 06:40	32.8	↑0.1
6/18 06:50	33.0	↑0.2
6/18 07:00	33.3	↑0.3
6/18 07:10	33.7	↑0.4
6/18 07:20	34.2	↑0.5
6/18 07:30	34.7	↑0.5
6/18 07:40	35.3	↑0.6
6/18 07:50	36.0	↑0.7
6/18 08:00	36.7	↑0.7
6/18 08:10	37.4	↑0.7
6/18 08:20	38.2	↑0.8
6/18 08:30	39.0	↑0.8
6/18 08:40	39.9	↑0.9
6/18 08:50	40.8	↑0.9
6/18 09:00	41.7	↑0.9
6/18 09:10	42.6	↑0.9
6/18 09:20	43.5	↑0.9
6/18 09:30	44.4	↑0.9
6/18 09:40	45.2	↑0.8
6/18 09:50	46.1	↑0.9
6/18 10:00	47.0	↑0.9
6/18 10:10	47.8	↑0.8
6/18 10:20	48.6	↑0.8
6/18 10:30	49.3	↑0.7
6/18 10:40	50.0	↑0.7
6/18 10:50	50.7	↑0.7
6/18 11:00	51.3	↑0.6
6/18 11:10	51.9	↑0.6
6/18 11:20	52.5	↑0.6
6/18 11:30	52.9	↑0.4
6/18 11:40	53.4	↑0.5
6/18 11:50	53.8	↑0.4
6/18 12:00	54.1	↑0.3
6/18 12:10	54.4	↑0.3
6/18 12:20	54.7	↑0.3
6/18 12:30	54.9	↑0.2
6/18 12:40	55.1	↑0.2
6/18 12:50	55.2	↑0.1
6/18 13:00	55.3	↑0.1
6/18 13:10	55.4	↑0.1
6/18 13:20	55.4	0
6/18 13:30	55.4	0
6/18 13:40	55.4	0	満潮
6/18 13:50	55.4	0
6/18 14:00	55.4	0
6/18 14:10	55.4	0	干潮
6/18 14:20	55.4	0
6/18 14:30	55.4	0
6/18 14:40	55.5	↑0.1
6/18 14:50	55.5	0
6/18 15:00	55.6	↑0.1
6/18 15:10	55.7	↑0.1
6/18 15:20	55.9	↑0.2
6/18 15:30	56.1	↑0.2
6/18 15:40	56.3	↑0.2
6/18 15:50	56.6	↑0.3
6/18 16:00	57.0	↑0.4
6/18 16:10	57.4	↑0.4
6/18 16:20	57.9	↑0.5
6/18 16:30	58.4	↑0.5
6/18 16:40	59.0	↑0.6
6/18 16:50	59.7	↑0.7
6/18 17:00	60.4	↑0.7
6/18 17:10	61.2	↑0.8
6/18 17:20	62.1	↑0.9
6/18 17:30	63.1	↑1.0
6/18 17:40	64.1	↑1.0
6/18 17:50	65.2	↑1.1
6/18 18:00	66.4	↑1.2
6/18 18:10	67.6	↑1.2
6/18 18:20	68.9	↑1.3
6/18 18:30	70.2	↑1.3
6/18 18:40	71.6	↑1.4
6/18 18:50	73.0	↑1.4
6/18 19:00	74.5	↑1.5
6/18 19:10	75.9	↑1.4
6/18 19:20	77.5	↑1.6
6/18 19:30	79.0	↑1.5
6/18 19:40	80.5	↑1.5
6/18 19:50	82.0	↑1.5
6/18 20:00	83.6	↑1.6
6/18 20:10	85.1	↑1.5
6/18 20:20	86.6	↑1.5
6/18 20:30	88.0	↑1.4
6/18 20:40	89.5	↑1.5
6/18 20:50	90.8	↑1.3
6/18 21:00	92.1	↑1.3
6/18 21:10	93.4	↑1.3
6/18 21:20	94.6	↑1.2
6/18 21:30	95.7	↑1.1
6/18 21:40	96.7	↑1.0
6/18 21:50	97.6	↑0.9
6/18 22:00	98.4	↑0.8
6/18 22:10	99.0	↑0.6
6/18 22:20	99.6	↑0.6
6/18 22:30	100.1	↑0.5
6/18 22:40	100.4	↑0.3
6/18 22:50	100.6	↑0.2	満潮
6/18 23:00	100.6	0	満潮
6/18 23:10	100.6	0
6/18 23:20	100.3	↓-0.3
6/18 23:30	100.0	↓-0.3
6/18 23:40	99.5	↓-0.5
6/18 23:50	98.8	↓-0.7