11 (月)	08:00	02:42	19:53	11:59
	60cm	44cm	105cm	53cm
小潮 出 04:20 入 18:34 出 22:59 入 13:22

コイセボイ（北海道）2031年08月11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
8/11 00:00	58.2	↓-1.7
8/11 00:10	56.5	↓-1.7
8/11 00:20	54.9	↓-1.6
8/11 00:30	53.5	↓-1.4
8/11 00:40	52.1	↓-1.4
8/11 00:50	50.8	↓-1.3
8/11 01:00	49.6	↓-1.2
8/11 01:10	48.5	↓-1.1
8/11 01:20	47.5	↓-1.0
8/11 01:30	46.7	↓-0.8
8/11 01:40	46.0	↓-0.7
8/11 01:50	45.3	↓-0.7
8/11 02:00	44.8	↓-0.5
8/11 02:10	44.5	↓-0.3
8/11 02:20	44.2	↓-0.3
8/11 02:30	44.0	↓-0.2
8/11 02:40	43.9	↓-0.1	干潮
8/11 02:50	44.0	↑0.1
8/11 03:00	44.1	↑0.1
8/11 03:10	44.3	↑0.2
8/11 03:20	44.6	↑0.3
8/11 03:30	45.0	↑0.4
8/11 03:40	45.5	↑0.5
8/11 03:50	46.0	↑0.5
8/11 04:00	46.6	↑0.6
8/11 04:10	47.2	↑0.6
8/11 04:20	47.9	↑0.7
8/11 04:30	48.6	↑0.7
8/11 04:40	49.4	↑0.8
8/11 04:50	50.1	↑0.7
8/11 05:00	50.9	↑0.8
8/11 05:10	51.7	↑0.8
8/11 05:20	52.5	↑0.8
8/11 05:30	53.2	↑0.7
8/11 05:40	54.0	↑0.8
8/11 05:50	54.7	↑0.7
8/11 06:00	55.4	↑0.7
8/11 06:10	56.0	↑0.6
8/11 06:20	56.6	↑0.6
8/11 06:30	57.2	↑0.6
8/11 06:40	57.7	↑0.5
8/11 06:50	58.2	↑0.5
8/11 07:00	58.6	↑0.4
8/11 07:10	58.9	↑0.3
8/11 07:20	59.2	↑0.3
8/11 07:30	59.4	↑0.2
8/11 07:40	59.5	↑0.1
8/11 07:50	59.6	↑0.1	満潮
8/11 08:00	59.6	0	満潮
8/11 08:10	59.6	0
8/11 08:20	59.5	↓-0.1
8/11 08:30	59.4	↓-0.1
8/11 08:40	59.2	↓-0.2
8/11 08:50	58.9	↓-0.3
8/11 09:00	58.6	↓-0.3
8/11 09:10	58.3	↓-0.3
8/11 09:20	57.9	↓-0.4
8/11 09:30	57.5	↓-0.4
8/11 09:40	57.1	↓-0.4
8/11 09:50	56.7	↓-0.4
8/11 10:00	56.2	↓-0.5
8/11 10:10	55.8	↓-0.4
8/11 10:20	55.3	↓-0.5
8/11 10:30	54.9	↓-0.4
8/11 10:40	54.5	↓-0.4
8/11 10:50	54.1	↓-0.4
8/11 11:00	53.8	↓-0.3
8/11 11:10	53.5	↓-0.3
8/11 11:20	53.2	↓-0.3
8/11 11:30	53.0	↓-0.2
8/11 11:40	52.8	↓-0.2
8/11 11:50	52.7	↓-0.1	干潮
8/11 12:00	52.7	0
8/11 12:10	52.8	↑0.1
8/11 12:20	52.9	↑0.1
8/11 12:30	53.1	↑0.2
8/11 12:40	53.4	↑0.3
8/11 12:50	53.8	↑0.4
8/11 13:00	54.3	↑0.5
8/11 13:10	54.9	↑0.6
8/11 13:20	55.6	↑0.7
8/11 13:30	56.3	↑0.7
8/11 13:40	57.2	↑0.9
8/11 13:50	58.2	↑1.0
8/11 14:00	59.2	↑1.0
8/11 14:10	60.3	↑1.1
8/11 14:20	61.5	↑1.2
8/11 14:30	62.8	↑1.3
8/11 14:40	64.2	↑1.4
8/11 14:50	65.7	↑1.5
8/11 15:00	67.2	↑1.5
8/11 15:10	68.7	↑1.5
8/11 15:20	70.4	↑1.7
8/11 15:30	72.0	↑1.6
8/11 15:40	73.7	↑1.7
8/11 15:50	75.5	↑1.8
8/11 16:00	77.2	↑1.7
8/11 16:10	79.0	↑1.8
8/11 16:20	80.8	↑1.8
8/11 16:30	82.6	↑1.8
8/11 16:40	84.3	↑1.7
8/11 16:50	86.1	↑1.8
8/11 17:00	87.8	↑1.7
8/11 17:10	89.5	↑1.7
8/11 17:20	91.1	↑1.6
8/11 17:30	92.7	↑1.6
8/11 17:40	94.2	↑1.5
8/11 17:50	95.6	↑1.4
8/11 18:00	97.0	↑1.4
8/11 18:10	98.3	↑1.3
8/11 18:20	99.4	↑1.1
8/11 18:30	100.5	↑1.1
8/11 18:40	101.5	↑1.0
8/11 18:50	102.3	↑0.8
8/11 19:00	103.0	↑0.7
8/11 19:10	103.7	↑0.7
8/11 19:20	104.1	↑0.4
8/11 19:30	104.5	↑0.4
8/11 19:40	104.7	↑0.2
8/11 19:50	104.8	↑0.1	満潮
8/11 20:00	104.8	0
8/11 20:10	104.6	↓-0.2
8/11 20:20	104.3	↓-0.3
8/11 20:30	103.9	↓-0.4
8/11 20:40	103.3	↓-0.6
8/11 20:50	102.6	↓-0.7
8/11 21:00	101.8	↓-0.8
8/11 21:10	100.9	↓-0.9
8/11 21:20	99.8	↓-1.1
8/11 21:30	98.6	↓-1.2
8/11 21:40	97.4	↓-1.2
8/11 21:50	96.0	↓-1.4
8/11 22:00	94.5	↓-1.5
8/11 22:10	93.0	↓-1.5
8/11 22:20	91.4	↓-1.6
8/11 22:30	89.7	↓-1.7
8/11 22:40	87.9	↓-1.8
8/11 22:50	86.1	↓-1.8
8/11 23:00	84.3	↓-1.8
8/11 23:10	82.4	↓-1.9
8/11 23:20	80.4	↓-2.0	最大潮位差
8/11 23:30	78.5	↓-1.9
8/11 23:40	76.5	↓-2.0	最大潮位差
8/11 23:50	74.6	↓-1.9