20 (水)	08:45	02:20	19:55	13:33
	75cm	45cm	88cm	63cm
小潮 出 06:52 入 15:46 出 11:44 入 -

コイセボイ（北海道）2023年12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
12/20 00:00	56.0	↓-1.6	最大潮位差
12/20 00:10	54.5	↓-1.5
12/20 00:20	53.1	↓-1.4
12/20 00:30	51.7	↓-1.4
12/20 00:40	50.5	↓-1.2
12/20 00:50	49.4	↓-1.1
12/20 01:00	48.4	↓-1.0
12/20 01:10	47.5	↓-0.9
12/20 01:20	46.7	↓-0.8
12/20 01:30	46.0	↓-0.7
12/20 01:40	45.5	↓-0.5
12/20 01:50	45.1	↓-0.4
12/20 02:00	44.8	↓-0.3
12/20 02:10	44.6	↓-0.2	干潮
12/20 02:20	44.5	↓-0.1	干潮
12/20 02:30	44.6	↑0.1
12/20 02:40	44.8	↑0.2
12/20 02:50	45.1	↑0.3
12/20 03:00	45.5	↑0.4
12/20 03:10	46.0	↑0.5
12/20 03:20	46.6	↑0.6
12/20 03:30	47.3	↑0.7
12/20 03:40	48.1	↑0.8
12/20 03:50	49.0	↑0.9
12/20 04:00	49.9	↑0.9
12/20 04:10	50.9	↑1.0
12/20 04:20	52.0	↑1.1
12/20 04:30	53.1	↑1.1
12/20 04:40	54.2	↑1.1
12/20 04:50	55.4	↑1.2
12/20 05:00	56.6	↑1.2
12/20 05:10	57.8	↑1.2
12/20 05:20	59.0	↑1.2
12/20 05:30	60.2	↑1.2
12/20 05:40	61.4	↑1.2
12/20 05:50	62.6	↑1.2
12/20 06:00	63.8	↑1.2
12/20 06:10	64.9	↑1.1
12/20 06:20	66.0	↑1.1
12/20 06:30	67.0	↑1.0
12/20 06:40	68.0	↑1.0
12/20 06:50	68.9	↑0.9
12/20 07:00	69.8	↑0.9
12/20 07:10	70.6	↑0.8
12/20 07:20	71.3	↑0.7
12/20 07:30	72.0	↑0.7
12/20 07:40	72.5	↑0.5
12/20 07:50	73.0	↑0.5
12/20 08:00	73.4	↑0.4
12/20 08:10	73.7	↑0.3
12/20 08:20	74.0	↑0.3
12/20 08:30	74.1	↑0.1
12/20 08:40	74.2	↑0.1	満潮
12/20 08:50	74.2	0
12/20 09:00	74.1	↓-0.1
12/20 09:10	74.0	↓-0.1
12/20 09:20	73.7	↓-0.3
12/20 09:30	73.4	↓-0.3
12/20 09:40	73.1	↓-0.3
12/20 09:50	72.7	↓-0.4
12/20 10:00	72.2	↓-0.5
12/20 10:10	71.7	↓-0.5
12/20 10:20	71.2	↓-0.5
12/20 10:30	70.6	↓-0.6
12/20 10:40	70.0	↓-0.6
12/20 10:50	69.4	↓-0.6
12/20 11:00	68.8	↓-0.6
12/20 11:10	68.1	↓-0.7
12/20 11:20	67.5	↓-0.6
12/20 11:30	66.9	↓-0.6
12/20 11:40	66.3	↓-0.6
12/20 11:50	65.7	↓-0.6
12/20 12:00	65.1	↓-0.6
12/20 12:10	64.6	↓-0.5
12/20 12:20	64.1	↓-0.5
12/20 12:30	63.7	↓-0.4
12/20 12:40	63.3	↓-0.4
12/20 12:50	63.0	↓-0.3
12/20 13:00	62.8	↓-0.2
12/20 13:10	62.6	↓-0.2
12/20 13:20	62.4	↓-0.2
12/20 13:30	62.4	0	干潮
12/20 13:40	62.4	0
12/20 13:50	62.5	↑0.1
12/20 14:00	62.7	↑0.2
12/20 14:10	62.9	↑0.2
12/20 14:20	63.2	↑0.3
12/20 14:30	63.6	↑0.4
12/20 14:40	64.1	↑0.5
12/20 14:50	64.6	↑0.5
12/20 15:00	65.3	↑0.7
12/20 15:10	65.9	↑0.6
12/20 15:20	66.7	↑0.8
12/20 15:30	67.5	↑0.8
12/20 15:40	68.3	↑0.8
12/20 15:50	69.2	↑0.9
12/20 16:00	70.1	↑0.9
12/20 16:10	71.1	↑1.0
12/20 16:20	72.1	↑1.0
12/20 16:30	73.1	↑1.0
12/20 16:40	74.2	↑1.1
12/20 16:50	75.2	↑1.0
12/20 17:00	76.3	↑1.1
12/20 17:10	77.3	↑1.0
12/20 17:20	78.4	↑1.1
12/20 17:30	79.4	↑1.0
12/20 17:40	80.4	↑1.0
12/20 17:50	81.3	↑0.9
12/20 18:00	82.2	↑0.9
12/20 18:10	83.1	↑0.9
12/20 18:20	83.9	↑0.8
12/20 18:30	84.6	↑0.7
12/20 18:40	85.3	↑0.7
12/20 18:50	85.9	↑0.6
12/20 19:00	86.5	↑0.6
12/20 19:10	86.9	↑0.4
12/20 19:20	87.3	↑0.4
12/20 19:30	87.5	↑0.2
12/20 19:40	87.7	↑0.2
12/20 19:50	87.8	↑0.1	満潮
12/20 20:00	87.8	0
12/20 20:10	87.7	↓-0.1
12/20 20:20	87.5	↓-0.2
12/20 20:30	87.2	↓-0.3
12/20 20:40	86.8	↓-0.4
12/20 20:50	86.3	↓-0.5
12/20 21:00	85.7	↓-0.6
12/20 21:10	85.1	↓-0.6
12/20 21:20	84.3	↓-0.8
12/20 21:30	83.5	↓-0.8
12/20 21:40	82.6	↓-0.9
12/20 21:50	81.6	↓-1.0
12/20 22:00	80.5	↓-1.1
12/20 22:10	79.4	↓-1.1
12/20 22:20	78.2	↓-1.2
12/20 22:30	77.0	↓-1.2
12/20 22:40	75.7	↓-1.3
12/20 22:50	74.4	↓-1.3
12/20 23:00	73.1	↓-1.3
12/20 23:10	71.8	↓-1.3
12/20 23:20	70.4	↓-1.4
12/20 23:30	69.1	↓-1.3
12/20 23:40	67.7	↓-1.4
12/20 23:50	66.4	↓-1.3