20 (日)	05:22	11:17	17:38	23:48
	85cm	41cm	94cm	45cm
中潮 出 06:14 入 16:57 出 08:35 入 21:27

コイセボイ（北海道）2056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	40.0	↑0.5
2/20 00:10	40.7	↑0.7
2/20 00:20	41.5	↑0.8
2/20 00:30	42.5	↑1.0
2/20 00:40	43.7	↑1.2
2/20 00:50	45.0	↑1.3
2/20 01:00	46.5	↑1.5
2/20 01:10	48.0	↑1.5
2/20 01:20	49.7	↑1.7
2/20 01:30	51.5	↑1.8
2/20 01:40	53.3	↑1.8
2/20 01:50	55.2	↑1.9
2/20 02:00	57.2	↑2.0
2/20 02:10	59.2	↑2.0
2/20 02:20	61.2	↑2.0
2/20 02:30	63.2	↑2.0
2/20 02:40	65.2	↑2.0
2/20 02:50	67.1	↑1.9
2/20 03:00	69.1	↑2.0
2/20 03:10	70.9	↑1.8
2/20 03:20	72.7	↑1.8
2/20 03:30	74.4	↑1.7
2/20 03:40	76.0	↑1.6
2/20 03:50	77.5	↑1.5
2/20 04:00	78.9	↑1.4
2/20 04:10	80.1	↑1.2
2/20 04:20	81.2	↑1.1
2/20 04:30	82.2	↑1.0
2/20 04:40	82.9	↑0.7
2/20 04:50	83.6	↑0.7
2/20 05:00	84.0	↑0.4
2/20 05:10	84.3	↑0.3
2/20 05:20	84.4	↑0.1	満潮
2/20 05:30	84.3	↓-0.1
2/20 05:40	84.1	↓-0.2
2/20 05:50	83.7	↓-0.4
2/20 06:00	83.1	↓-0.6
2/20 06:10	82.4	↓-0.7
2/20 06:20	81.5	↓-0.9
2/20 06:30	80.4	↓-1.1
2/20 06:40	79.3	↓-1.1
2/20 06:50	77.9	↓-1.4
2/20 07:00	76.5	↓-1.4
2/20 07:10	74.9	↓-1.6
2/20 07:20	73.3	↓-1.6
2/20 07:30	71.6	↓-1.7
2/20 07:40	69.8	↓-1.8
2/20 07:50	67.9	↓-1.9
2/20 08:00	66.0	↓-1.9
2/20 08:10	64.0	↓-2.0
2/20 08:20	62.1	↓-1.9
2/20 08:30	60.1	↓-2.0
2/20 08:40	58.2	↓-1.9
2/20 08:50	56.3	↓-1.9
2/20 09:00	54.4	↓-1.9
2/20 09:10	52.6	↓-1.8
2/20 09:20	50.9	↓-1.7
2/20 09:30	49.3	↓-1.6
2/20 09:40	47.8	↓-1.5
2/20 09:50	46.3	↓-1.5
2/20 10:00	45.0	↓-1.3
2/20 10:10	43.9	↓-1.1
2/20 10:20	42.9	↓-1.0
2/20 10:30	42.0	↓-0.9
2/20 10:40	41.3	↓-0.7
2/20 10:50	40.8	↓-0.5
2/20 11:00	40.4	↓-0.4
2/20 11:10	40.2	↓-0.2	干潮
2/20 11:20	40.2	0
2/20 11:30	40.4	↑0.2
2/20 11:40	40.7	↑0.3
2/20 11:50	41.2	↑0.5
2/20 12:00	41.9	↑0.7
2/20 12:10	42.8	↑0.9
2/20 12:20	43.8	↑1.0
2/20 12:30	45.0	↑1.2
2/20 12:40	46.3	↑1.3
2/20 12:50	47.8	↑1.5
2/20 13:00	49.4	↑1.6
2/20 13:10	51.1	↑1.7
2/20 13:20	52.9	↑1.8
2/20 13:30	54.9	↑2.0
2/20 13:40	56.9	↑2.0
2/20 13:50	59.0	↑2.1
2/20 14:00	61.1	↑2.1
2/20 14:10	63.3	↑2.2	最大潮位差
2/20 14:20	65.5	↑2.2	最大潮位差
2/20 14:30	67.7	↑2.2	最大潮位差
2/20 14:40	69.9	↑2.2	最大潮位差
2/20 14:50	72.1	↑2.2	最大潮位差
2/20 15:00	74.2	↑2.1
2/20 15:10	76.3	↑2.1
2/20 15:20	78.4	↑2.1
2/20 15:30	80.3	↑1.9
2/20 15:40	82.2	↑1.9
2/20 15:50	84.0	↑1.8
2/20 16:00	85.6	↑1.6
2/20 16:10	87.1	↑1.5
2/20 16:20	88.5	↑1.4
2/20 16:30	89.7	↑1.2
2/20 16:40	90.8	↑1.1
2/20 16:50	91.7	↑0.9
2/20 17:00	92.5	↑0.8
2/20 17:10	93.0	↑0.5
2/20 17:20	93.4	↑0.4
2/20 17:30	93.6	↑0.2	満潮
2/20 17:40	93.6	0
2/20 17:50	93.5	↓-0.1
2/20 18:00	93.2	↓-0.3
2/20 18:10	92.7	↓-0.5
2/20 18:20	92.0	↓-0.7
2/20 18:30	91.1	↓-0.9
2/20 18:40	90.1	↓-1.0
2/20 18:50	89.0	↓-1.1
2/20 19:00	87.7	↓-1.3
2/20 19:10	86.2	↓-1.5
2/20 19:20	84.6	↓-1.6
2/20 19:30	83.0	↓-1.6
2/20 19:40	81.2	↓-1.8
2/20 19:50	79.3	↓-1.9
2/20 20:00	77.4	↓-1.9
2/20 20:10	75.4	↓-2.0
2/20 20:20	73.4	↓-2.0
2/20 20:30	71.3	↓-2.1
2/20 20:40	69.2	↓-2.1
2/20 20:50	67.1	↓-2.1
2/20 21:00	65.1	↓-2.0
2/20 21:10	63.0	↓-2.1
2/20 21:20	61.0	↓-2.0
2/20 21:30	59.1	↓-1.9
2/20 21:40	57.2	↓-1.9
2/20 21:50	55.5	↓-1.7
2/20 22:00	53.8	↓-1.7
2/20 22:10	52.2	↓-1.6
2/20 22:20	50.8	↓-1.4
2/20 22:30	49.4	↓-1.4
2/20 22:40	48.3	↓-1.1
2/20 22:50	47.2	↓-1.1
2/20 23:00	46.4	↓-0.8
2/20 23:10	45.6	↓-0.8
2/20 23:20	45.1	↓-0.5
2/20 23:30	44.7	↓-0.4
2/20 23:40	44.5	↓-0.2	干潮
2/20 23:50	44.5	0