12 (日)	09:40	02:51	20:06	13:25
	71cm	42cm	90cm	66cm
小潮 出 06:47 入 15:44 出 12:29 入 -

コイセボイ（北海道）2021年12月12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
12/12 00:00	57.7	↓-1.8	最大潮位差
12/12 00:10	56.0	↓-1.7
12/12 00:20	54.3	↓-1.7
12/12 00:30	52.8	↓-1.5
12/12 00:40	51.3	↓-1.5
12/12 00:50	49.9	↓-1.4
12/12 01:00	48.6	↓-1.3
12/12 01:10	47.4	↓-1.2
12/12 01:20	46.3	↓-1.1
12/12 01:30	45.3	↓-1.0
12/12 01:40	44.5	↓-0.8
12/12 01:50	43.7	↓-0.8
12/12 02:00	43.1	↓-0.6
12/12 02:10	42.6	↓-0.5
12/12 02:20	42.2	↓-0.4
12/12 02:30	41.9	↓-0.3
12/12 02:40	41.7	↓-0.2
12/12 02:50	41.6	↓-0.1	干潮
12/12 03:00	41.7	↑0.1
12/12 03:10	41.9	↑0.2
12/12 03:20	42.1	↑0.2
12/12 03:30	42.5	↑0.4
12/12 03:40	43.0	↑0.5
12/12 03:50	43.5	↑0.5
12/12 04:00	44.2	↑0.7
12/12 04:10	44.9	↑0.7
12/12 04:20	45.7	↑0.8
12/12 04:30	46.5	↑0.8
12/12 04:40	47.4	↑0.9
12/12 04:50	48.4	↑1.0
12/12 05:00	49.4	↑1.0
12/12 05:10	50.5	↑1.1
12/12 05:20	51.6	↑1.1
12/12 05:30	52.7	↑1.1
12/12 05:40	53.8	↑1.1
12/12 05:50	54.9	↑1.1
12/12 06:00	56.0	↑1.1
12/12 06:10	57.2	↑1.2
12/12 06:20	58.3	↑1.1
12/12 06:30	59.4	↑1.1
12/12 06:40	60.4	↑1.0
12/12 06:50	61.4	↑1.0
12/12 07:00	62.4	↑1.0
12/12 07:10	63.4	↑1.0
12/12 07:20	64.3	↑0.9
12/12 07:30	65.1	↑0.8
12/12 07:40	65.9	↑0.8
12/12 07:50	66.6	↑0.7
12/12 08:00	67.3	↑0.7
12/12 08:10	67.9	↑0.6
12/12 08:20	68.4	↑0.5
12/12 08:30	68.9	↑0.5
12/12 08:40	69.3	↑0.4
12/12 08:50	69.7	↑0.4
12/12 09:00	69.9	↑0.2
12/12 09:10	70.1	↑0.2
12/12 09:20	70.3	↑0.2
12/12 09:30	70.4	↑0.1	満潮
12/12 09:40	70.4	0	満潮
12/12 09:50	70.3	↓-0.1
12/12 10:00	70.3	0
12/12 10:10	70.1	↓-0.2
12/12 10:20	70.0	↓-0.1
12/12 10:30	69.7	↓-0.3
12/12 10:40	69.5	↓-0.2
12/12 10:50	69.2	↓-0.3
12/12 11:00	68.9	↓-0.3
12/12 11:10	68.6	↓-0.3
12/12 11:20	68.3	↓-0.3
12/12 11:30	68.0	↓-0.3
12/12 11:40	67.6	↓-0.4
12/12 11:50	67.3	↓-0.3
12/12 12:00	67.0	↓-0.3
12/12 12:10	66.7	↓-0.3
12/12 12:20	66.4	↓-0.3
12/12 12:30	66.2	↓-0.2
12/12 12:40	65.9	↓-0.3
12/12 12:50	65.8	↓-0.1
12/12 13:00	65.6	↓-0.2
12/12 13:10	65.5	↓-0.1
12/12 13:20	65.5	0	干潮
12/12 13:30	65.5	0
12/12 13:40	65.5	0
12/12 13:50	65.7	↑0.2
12/12 14:00	65.8	↑0.1
12/12 14:10	66.1	↑0.3
12/12 14:20	66.4	↑0.3
12/12 14:30	66.7	↑0.3
12/12 14:40	67.1	↑0.4
12/12 14:50	67.6	↑0.5
12/12 15:00	68.2	↑0.6
12/12 15:10	68.8	↑0.6
12/12 15:20	69.4	↑0.6
12/12 15:30	70.1	↑0.7
12/12 15:40	70.8	↑0.7
12/12 15:50	71.6	↑0.8
12/12 16:00	72.5	↑0.9
12/12 16:10	73.3	↑0.8
12/12 16:20	74.2	↑0.9
12/12 16:30	75.2	↑1.0
12/12 16:40	76.1	↑0.9
12/12 16:50	77.1	↑1.0
12/12 17:00	78.0	↑0.9
12/12 17:10	79.0	↑1.0
12/12 17:20	79.9	↑0.9
12/12 17:30	80.9	↑1.0
12/12 17:40	81.8	↑0.9
12/12 17:50	82.7	↑0.9
12/12 18:00	83.6	↑0.9
12/12 18:10	84.4	↑0.8
12/12 18:20	85.2	↑0.8
12/12 18:30	86.0	↑0.8
12/12 18:40	86.7	↑0.7
12/12 18:50	87.3	↑0.6
12/12 19:00	87.9	↑0.6
12/12 19:10	88.4	↑0.5
12/12 19:20	88.8	↑0.4
12/12 19:30	89.1	↑0.3
12/12 19:40	89.4	↑0.3
12/12 19:50	89.6	↑0.2
12/12 20:00	89.7	↑0.1	満潮
12/12 20:10	89.7	0
12/12 20:20	89.6	↓-0.1
12/12 20:30	89.4	↓-0.2
12/12 20:40	89.1	↓-0.3
12/12 20:50	88.7	↓-0.4
12/12 21:00	88.3	↓-0.4
12/12 21:10	87.7	↓-0.6
12/12 21:20	87.0	↓-0.7
12/12 21:30	86.3	↓-0.7
12/12 21:40	85.5	↓-0.8
12/12 21:50	84.6	↓-0.9
12/12 22:00	83.6	↓-1.0
12/12 22:10	82.6	↓-1.0
12/12 22:20	81.4	↓-1.2
12/12 22:30	80.3	↓-1.1
12/12 22:40	79.0	↓-1.3
12/12 22:50	77.7	↓-1.3
12/12 23:00	76.4	↓-1.3
12/12 23:10	75.0	↓-1.4
12/12 23:20	73.6	↓-1.4
12/12 23:30	72.2	↓-1.4
12/12 23:40	70.8	↓-1.4
12/12 23:50	69.3	↓-1.5