31 (日)	09:56	03:02	23:00	17:12
	91cm	57cm	71cm	54cm
長潮 出 06:56 入 15:54 出 00:22 入 12:06

コイセボイ（北海道）2056年12月31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
12/31 00:00	67.8	↓-0.9
12/31 00:10	66.8	↓-1.0
12/31 00:20	65.9	↓-0.9
12/31 00:30	65.0	↓-0.9
12/31 00:40	64.1	↓-0.9
12/31 00:50	63.2	↓-0.9
12/31 01:00	62.4	↓-0.8
12/31 01:10	61.6	↓-0.8
12/31 01:20	60.8	↓-0.8
12/31 01:30	60.1	↓-0.7
12/31 01:40	59.4	↓-0.7
12/31 01:50	58.8	↓-0.6
12/31 02:00	58.3	↓-0.5
12/31 02:10	57.8	↓-0.5
12/31 02:20	57.5	↓-0.3
12/31 02:30	57.2	↓-0.3
12/31 02:40	56.9	↓-0.3
12/31 02:50	56.8	↓-0.1
12/31 03:00	56.8	0	干潮
12/31 03:10	56.8	0
12/31 03:20	56.9	↑0.1
12/31 03:30	57.1	↑0.2
12/31 03:40	57.5	↑0.4
12/31 03:50	57.9	↑0.4
12/31 04:00	58.3	↑0.4
12/31 04:10	58.9	↑0.6
12/31 04:20	59.6	↑0.7
12/31 04:30	60.3	↑0.7
12/31 04:40	61.1	↑0.8
12/31 04:50	62.0	↑0.9
12/31 05:00	63.0	↑1.0
12/31 05:10	64.0	↑1.0
12/31 05:20	65.1	↑1.1
12/31 05:30	66.2	↑1.1
12/31 05:40	67.4	↑1.2
12/31 05:50	68.6	↑1.2
12/31 06:00	69.9	↑1.3
12/31 06:10	71.2	↑1.3
12/31 06:20	72.4	↑1.2
12/31 06:30	73.7	↑1.3
12/31 06:40	75.1	↑1.4	最大潮位差
12/31 06:50	76.4	↑1.3
12/31 07:00	77.6	↑1.2
12/31 07:10	78.9	↑1.3
12/31 07:20	80.1	↑1.2
12/31 07:30	81.3	↑1.2
12/31 07:40	82.5	↑1.2
12/31 07:50	83.6	↑1.1
12/31 08:00	84.7	↑1.1
12/31 08:10	85.7	↑1.0
12/31 08:20	86.6	↑0.9
12/31 08:30	87.4	↑0.8
12/31 08:40	88.2	↑0.8
12/31 08:50	88.9	↑0.7
12/31 09:00	89.4	↑0.5
12/31 09:10	89.9	↑0.5
12/31 09:20	90.3	↑0.4
12/31 09:30	90.7	↑0.4
12/31 09:40	90.9	↑0.2
12/31 09:50	91.0	↑0.1	満潮
12/31 10:00	91.0	0
12/31 10:10	90.8	↓-0.2
12/31 10:20	90.6	↓-0.2
12/31 10:30	90.3	↓-0.3
12/31 10:40	89.9	↓-0.4
12/31 10:50	89.4	↓-0.5
12/31 11:00	88.8	↓-0.6
12/31 11:10	88.1	↓-0.7
12/31 11:20	87.4	↓-0.7
12/31 11:30	86.5	↓-0.9
12/31 11:40	85.6	↓-0.9
12/31 11:50	84.5	↓-1.1
12/31 12:00	83.5	↓-1.0
12/31 12:10	82.3	↓-1.2
12/31 12:20	81.1	↓-1.2
12/31 12:30	79.9	↓-1.2
12/31 12:40	78.6	↓-1.3
12/31 12:50	77.3	↓-1.3
12/31 13:00	76.0	↓-1.3
12/31 13:10	74.6	↓-1.4	最大潮位差
12/31 13:20	73.2	↓-1.4	最大潮位差
12/31 13:30	71.9	↓-1.3
12/31 13:40	70.5	↓-1.4	最大潮位差
12/31 13:50	69.2	↓-1.3
12/31 14:00	67.8	↓-1.4	最大潮位差
12/31 14:10	66.5	↓-1.3
12/31 14:20	65.2	↓-1.3
12/31 14:30	64.0	↓-1.2
12/31 14:40	62.8	↓-1.2
12/31 14:50	61.7	↓-1.1
12/31 15:00	60.6	↓-1.1
12/31 15:10	59.6	↓-1.0
12/31 15:20	58.6	↓-1.0
12/31 15:30	57.8	↓-0.8
12/31 15:40	57.0	↓-0.8
12/31 15:50	56.2	↓-0.8
12/31 16:00	55.6	↓-0.6
12/31 16:10	55.0	↓-0.6
12/31 16:20	54.6	↓-0.4
12/31 16:30	54.2	↓-0.4
12/31 16:40	53.9	↓-0.3
12/31 16:50	53.7	↓-0.2
12/31 17:00	53.5	↓-0.2
12/31 17:10	53.5	0	干潮
12/31 17:20	53.5	0
12/31 17:30	53.6	↑0.1
12/31 17:40	53.8	↑0.2
12/31 17:50	54.1	↑0.3
12/31 18:00	54.4	↑0.3
12/31 18:10	54.8	↑0.4
12/31 18:20	55.3	↑0.5
12/31 18:30	55.8	↑0.5
12/31 18:40	56.4	↑0.6
12/31 18:50	57.0	↑0.6
12/31 19:00	57.6	↑0.6
12/31 19:10	58.3	↑0.7
12/31 19:20	59.1	↑0.8
12/31 19:30	59.8	↑0.7
12/31 19:40	60.5	↑0.7
12/31 19:50	61.3	↑0.8
12/31 20:00	62.1	↑0.8
12/31 20:10	62.8	↑0.7
12/31 20:20	63.6	↑0.8
12/31 20:30	64.3	↑0.7
12/31 20:40	65.0	↑0.7
12/31 20:50	65.7	↑0.7
12/31 21:00	66.3	↑0.6
12/31 21:10	67.0	↑0.7
12/31 21:20	67.5	↑0.5
12/31 21:30	68.1	↑0.6
12/31 21:40	68.5	↑0.4
12/31 21:50	69.0	↑0.5
12/31 22:00	69.3	↑0.3
12/31 22:10	69.7	↑0.4
12/31 22:20	69.9	↑0.2
12/31 22:30	70.1	↑0.2
12/31 22:40	70.3	↑0.2
12/31 22:50	70.3	0	満潮
12/31 23:00	70.4	↑0.1	満潮
12/31 23:10	70.3	↓-0.1
12/31 23:20	70.2	↓-0.1
12/31 23:30	70.1	↓-0.1
12/31 23:40	69.9	↓-0.2
12/31 23:50	69.6	↓-0.3