20 (月)	07:00	00:06	20:33	14:45
	101cm	55cm	59cm	41cm
小潮 出 06:14 入 16:57 出 10:05 入 00:22

コイセボイ（北海道）2040年02月20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
2/20 00:00	54.2	↓-0.1	干潮
2/20 00:10	54.2	0
2/20 00:20	54.3	↑0.1
2/20 00:30	54.6	↑0.3
2/20 00:40	54.9	↑0.3
2/20 00:50	55.3	↑0.4
2/20 01:00	55.9	↑0.6
2/20 01:10	56.6	↑0.7
2/20 01:20	57.4	↑0.8
2/20 01:30	58.3	↑0.9
2/20 01:40	59.3	↑1.0
2/20 01:50	60.4	↑1.1
2/20 02:00	61.6	↑1.2
2/20 02:10	62.9	↑1.3
2/20 02:20	64.3	↑1.4
2/20 02:30	65.8	↑1.5
2/20 02:40	67.3	↑1.5
2/20 02:50	68.9	↑1.6
2/20 03:00	70.6	↑1.7
2/20 03:10	72.3	↑1.7
2/20 03:20	74.0	↑1.7
2/20 03:30	75.8	↑1.8
2/20 03:40	77.5	↑1.7
2/20 03:50	79.3	↑1.8
2/20 04:00	81.1	↑1.8
2/20 04:10	82.8	↑1.7
2/20 04:20	84.6	↑1.8
2/20 04:30	86.2	↑1.6
2/20 04:40	87.9	↑1.7
2/20 04:50	89.4	↑1.5
2/20 05:00	90.9	↑1.5
2/20 05:10	92.3	↑1.4
2/20 05:20	93.7	↑1.4
2/20 05:30	94.9	↑1.2
2/20 05:40	96.0	↑1.1
2/20 05:50	97.0	↑1.0
2/20 06:00	97.9	↑0.9
2/20 06:10	98.7	↑0.8
2/20 06:20	99.3	↑0.6
2/20 06:30	99.8	↑0.5
2/20 06:40	100.1	↑0.3
2/20 06:50	100.3	↑0.2	満潮
2/20 07:00	100.4	↑0.1	満潮
2/20 07:10	100.3	↓-0.1
2/20 07:20	100.1	↓-0.2
2/20 07:30	99.7	↓-0.4
2/20 07:40	99.2	↓-0.5
2/20 07:50	98.5	↓-0.7
2/20 08:00	97.7	↓-0.8
2/20 08:10	96.7	↓-1.0
2/20 08:20	95.7	↓-1.0
2/20 08:30	94.4	↓-1.3
2/20 08:40	93.1	↓-1.3
2/20 08:50	91.7	↓-1.4
2/20 09:00	90.1	↓-1.6
2/20 09:10	88.5	↓-1.6
2/20 09:20	86.8	↓-1.7
2/20 09:30	85.0	↓-1.8
2/20 09:40	83.1	↓-1.9
2/20 09:50	81.1	↓-2.0
2/20 10:00	79.1	↓-2.0
2/20 10:10	77.1	↓-2.0
2/20 10:20	75.1	↓-2.0
2/20 10:30	73.0	↓-2.1	最大潮位差
2/20 10:40	70.9	↓-2.1	最大潮位差
2/20 10:50	68.8	↓-2.1	最大潮位差
2/20 11:00	66.7	↓-2.1	最大潮位差
2/20 11:10	64.7	↓-2.0
2/20 11:20	62.7	↓-2.0
2/20 11:30	60.7	↓-2.0
2/20 11:40	58.8	↓-1.9
2/20 11:50	56.9	↓-1.9
2/20 12:00	55.1	↓-1.8
2/20 12:10	53.4	↓-1.7
2/20 12:20	51.8	↓-1.6
2/20 12:30	50.3	↓-1.5
2/20 12:40	48.8	↓-1.5
2/20 12:50	47.5	↓-1.3
2/20 13:00	46.2	↓-1.3
2/20 13:10	45.1	↓-1.1
2/20 13:20	44.1	↓-1.0
2/20 13:30	43.2	↓-0.9
2/20 13:40	42.4	↓-0.8
2/20 13:50	41.8	↓-0.6
2/20 14:00	41.2	↓-0.6
2/20 14:10	40.8	↓-0.4
2/20 14:20	40.5	↓-0.3
2/20 14:30	40.3	↓-0.2
2/20 14:40	40.2	↓-0.1	干潮
2/20 14:50	40.2	0
2/20 15:00	40.3	↑0.1
2/20 15:10	40.5	↑0.2
2/20 15:20	40.8	↑0.3
2/20 15:30	41.2	↑0.4
2/20 15:40	41.6	↑0.4
2/20 15:50	42.2	↑0.6
2/20 16:00	42.8	↑0.6
2/20 16:10	43.4	↑0.6
2/20 16:20	44.2	↑0.8
2/20 16:30	44.9	↑0.7
2/20 16:40	45.7	↑0.8
2/20 16:50	46.5	↑0.8
2/20 17:00	47.4	↑0.9
2/20 17:10	48.2	↑0.8
2/20 17:20	49.1	↑0.9
2/20 17:30	49.9	↑0.8
2/20 17:40	50.8	↑0.9
2/20 17:50	51.6	↑0.8
2/20 18:00	52.4	↑0.8
2/20 18:10	53.2	↑0.8
2/20 18:20	53.9	↑0.7
2/20 18:30	54.6	↑0.7
2/20 18:40	55.3	↑0.7
2/20 18:50	55.9	↑0.6
2/20 19:00	56.4	↑0.5
2/20 19:10	56.9	↑0.5
2/20 19:20	57.4	↑0.5
2/20 19:30	57.8	↑0.4
2/20 19:40	58.1	↑0.3
2/20 19:50	58.4	↑0.3
2/20 20:00	58.6	↑0.2
2/20 20:10	58.7	↑0.1
2/20 20:20	58.8	↑0.1
2/20 20:30	58.9	↑0.1	満潮
2/20 20:40	58.8	↓-0.1
2/20 20:50	58.8	0
2/20 21:00	58.7	↓-0.1
2/20 21:10	58.5	↓-0.2
2/20 21:20	58.3	↓-0.2
2/20 21:30	58.1	↓-0.2
2/20 21:40	57.9	↓-0.2
2/20 21:50	57.6	↓-0.3
2/20 22:00	57.3	↓-0.3
2/20 22:10	57.1	↓-0.2
2/20 22:20	56.8	↓-0.3
2/20 22:30	56.5	↓-0.3
2/20 22:40	56.2	↓-0.3
2/20 22:50	56.0	↓-0.2
2/20 23:00	55.7	↓-0.3
2/20 23:10	55.5	↓-0.2
2/20 23:20	55.4	↓-0.1
2/20 23:30	55.3	↓-0.1
2/20 23:40	55.2	↓-0.1
2/20 23:50	55.2	0