20 (木)	07:49	01:32	19:22	13:15
	80cm	45cm	87cm	59cm
小潮 出 06:52 入 15:46 出 23:29 入 10:44

コイセボイ（北海道）2046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	50.3	↓-1.2
12/20 00:10	49.1	↓-1.2
12/20 00:20	48.1	↓-1.0
12/20 00:30	47.2	↓-0.9
12/20 00:40	46.4	↓-0.8
12/20 00:50	45.8	↓-0.6
12/20 01:00	45.3	↓-0.5
12/20 01:10	45.0	↓-0.3
12/20 01:20	44.7	↓-0.3
12/20 01:30	44.7	0	干潮
12/20 01:40	44.7	0
12/20 01:50	44.9	↑0.2
12/20 02:00	45.2	↑0.3
12/20 02:10	45.7	↑0.5
12/20 02:20	46.3	↑0.6
12/20 02:30	47.0	↑0.7
12/20 02:40	47.8	↑0.8
12/20 02:50	48.7	↑0.9
12/20 03:00	49.7	↑1.0
12/20 03:10	50.7	↑1.0
12/20 03:20	51.9	↑1.2
12/20 03:30	53.1	↑1.2
12/20 03:40	54.4	↑1.3
12/20 03:50	55.8	↑1.4
12/20 04:00	57.2	↑1.4
12/20 04:10	58.6	↑1.4
12/20 04:20	60.0	↑1.4
12/20 04:30	61.4	↑1.4
12/20 04:40	62.9	↑1.5	最大潮位差
12/20 04:50	64.3	↑1.4
12/20 05:00	65.7	↑1.4
12/20 05:10	67.1	↑1.4
12/20 05:20	68.5	↑1.4
12/20 05:30	69.8	↑1.3
12/20 05:40	71.0	↑1.2
12/20 05:50	72.2	↑1.2
12/20 06:00	73.3	↑1.1
12/20 06:10	74.3	↑1.0
12/20 06:20	75.3	↑1.0
12/20 06:30	76.1	↑0.8
12/20 06:40	76.9	↑0.8
12/20 06:50	77.5	↑0.6
12/20 07:00	78.1	↑0.6
12/20 07:10	78.6	↑0.5
12/20 07:20	78.9	↑0.3
12/20 07:30	79.2	↑0.3
12/20 07:40	79.3	↑0.1	満潮
12/20 07:50	79.3	0
12/20 08:00	79.3	0
12/20 08:10	79.1	↓-0.2
12/20 08:20	78.8	↓-0.3
12/20 08:30	78.5	↓-0.3
12/20 08:40	78.0	↓-0.5
12/20 08:50	77.5	↓-0.5
12/20 09:00	76.9	↓-0.6
12/20 09:10	76.2	↓-0.7
12/20 09:20	75.4	↓-0.8
12/20 09:30	74.6	↓-0.8
12/20 09:40	73.8	↓-0.8
12/20 09:50	72.9	↓-0.9
12/20 10:00	72.0	↓-0.9
12/20 10:10	71.0	↓-1.0
12/20 10:20	70.0	↓-1.0
12/20 10:30	69.0	↓-1.0
12/20 10:40	68.1	↓-0.9
12/20 10:50	67.1	↓-1.0
12/20 11:00	66.1	↓-1.0
12/20 11:10	65.2	↓-0.9
12/20 11:20	64.3	↓-0.9
12/20 11:30	63.5	↓-0.8
12/20 11:40	62.7	↓-0.8
12/20 11:50	62.0	↓-0.7
12/20 12:00	61.3	↓-0.7
12/20 12:10	60.7	↓-0.6
12/20 12:20	60.2	↓-0.5
12/20 12:30	59.7	↓-0.5
12/20 12:40	59.4	↓-0.3
12/20 12:50	59.1	↓-0.3
12/20 13:00	58.9	↓-0.2
12/20 13:10	58.8	↓-0.1	干潮
12/20 13:20	58.8	0
12/20 13:30	58.9	↑0.1
12/20 13:40	59.1	↑0.2
12/20 13:50	59.4	↑0.3
12/20 14:00	59.8	↑0.4
12/20 14:10	60.3	↑0.5
12/20 14:20	60.9	↑0.6
12/20 14:30	61.5	↑0.6
12/20 14:40	62.3	↑0.8
12/20 14:50	63.1	↑0.8
12/20 15:00	64.0	↑0.9
12/20 15:10	64.9	↑0.9
12/20 15:20	65.9	↑1.0
12/20 15:30	67.0	↑1.1
12/20 15:40	68.1	↑1.1
12/20 15:50	69.2	↑1.1
12/20 16:00	70.3	↑1.1
12/20 16:10	71.5	↑1.2
12/20 16:20	72.7	↑1.2
12/20 16:30	73.9	↑1.2
12/20 16:40	75.1	↑1.2
12/20 16:50	76.2	↑1.1
12/20 17:00	77.4	↑1.2
12/20 17:10	78.5	↑1.1
12/20 17:20	79.6	↑1.1
12/20 17:30	80.6	↑1.0
12/20 17:40	81.5	↑0.9
12/20 17:50	82.4	↑0.9
12/20 18:00	83.2	↑0.8
12/20 18:10	84.0	↑0.8
12/20 18:20	84.6	↑0.6
12/20 18:30	85.2	↑0.6
12/20 18:40	85.7	↑0.5
12/20 18:50	86.1	↑0.4
12/20 19:00	86.4	↑0.3
12/20 19:10	86.5	↑0.1
12/20 19:20	86.6	↑0.1	満潮
12/20 19:30	86.6	0
12/20 19:40	86.4	↓-0.2
12/20 19:50	86.2	↓-0.2
12/20 20:00	85.8	↓-0.4
12/20 20:10	85.3	↓-0.5
12/20 20:20	84.8	↓-0.5
12/20 20:30	84.1	↓-0.7
12/20 20:40	83.3	↓-0.8
12/20 20:50	82.5	↓-0.8
12/20 21:00	81.5	↓-1.0
12/20 21:10	80.5	↓-1.0
12/20 21:20	79.4	↓-1.1
12/20 21:30	78.3	↓-1.1
12/20 21:40	77.0	↓-1.3
12/20 21:50	75.8	↓-1.2
12/20 22:00	74.5	↓-1.3
12/20 22:10	73.1	↓-1.4
12/20 22:20	71.7	↓-1.4
12/20 22:30	70.3	↓-1.4
12/20 22:40	68.9	↓-1.4
12/20 22:50	67.5	↓-1.4
12/20 23:00	66.2	↓-1.3
12/20 23:10	64.8	↓-1.4
12/20 23:20	63.4	↓-1.4
12/20 23:30	62.1	↓-1.3
12/20 23:40	60.9	↓-1.2
12/20 23:50	59.7	↓-1.2