31 (金)	02:34	05:00	12:27	20:31
	69cm	67cm	115cm	27cm
大潮 出 06:56 入 15:53 出 14:00 入 03:53

コイセボイ（北海道）2055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	60.1	↑1.1
12/31 00:10	61.1	↑1.0
12/31 00:20	62.1	↑1.0
12/31 00:30	63.0	↑0.9
12/31 00:40	63.9	↑0.9
12/31 00:50	64.6	↑0.7
12/31 01:00	65.3	↑0.7
12/31 01:10	65.9	↑0.6
12/31 01:20	66.5	↑0.6
12/31 01:30	66.9	↑0.4
12/31 01:40	67.3	↑0.4
12/31 01:50	67.6	↑0.3
12/31 02:00	67.8	↑0.2
12/31 02:10	68.0	↑0.2
12/31 02:20	68.1	↑0.1
12/31 02:30	68.1	0	満潮
12/31 02:40	68.1	0
12/31 02:50	68.1	0
12/31 03:00	68.0	↓-0.1
12/31 03:10	67.8	↓-0.2
12/31 03:20	67.7	↓-0.1
12/31 03:30	67.5	↓-0.2
12/31 03:40	67.3	↓-0.2
12/31 03:50	67.1	↓-0.2
12/31 04:00	66.9	↓-0.2
12/31 04:10	66.7	↓-0.2
12/31 04:20	66.5	↓-0.2
12/31 04:30	66.3	↓-0.2
12/31 04:40	66.2	↓-0.1
12/31 04:50	66.2	0	干潮
12/31 05:00	66.1	↓-0.1	干潮
12/31 05:10	66.2	↑0.1
12/31 05:20	66.3	↑0.1
12/31 05:30	66.5	↑0.2
12/31 05:40	66.7	↑0.2
12/31 05:50	67.0	↑0.3
12/31 06:00	67.4	↑0.4
12/31 06:10	67.9	↑0.5
12/31 06:20	68.5	↑0.6
12/31 06:30	69.2	↑0.7
12/31 06:40	69.9	↑0.7
12/31 06:50	70.8	↑0.9
12/31 07:00	71.8	↑1.0
12/31 07:10	72.8	↑1.0
12/31 07:20	73.9	↑1.1
12/31 07:30	75.2	↑1.3
12/31 07:40	76.5	↑1.3
12/31 07:50	77.9	↑1.4
12/31 08:00	79.3	↑1.4
12/31 08:10	80.9	↑1.6
12/31 08:20	82.5	↑1.6
12/31 08:30	84.1	↑1.6
12/31 08:40	85.8	↑1.7
12/31 08:50	87.5	↑1.7
12/31 09:00	89.3	↑1.8
12/31 09:10	91.1	↑1.8
12/31 09:20	92.9	↑1.8
12/31 09:30	94.7	↑1.8
12/31 09:40	96.4	↑1.7
12/31 09:50	98.2	↑1.8
12/31 10:00	99.9	↑1.7
12/31 10:10	101.6	↑1.7
12/31 10:20	103.2	↑1.6
12/31 10:30	104.8	↑1.6
12/31 10:40	106.3	↑1.5
12/31 10:50	107.6	↑1.3
12/31 11:00	108.9	↑1.3
12/31 11:10	110.1	↑1.2
12/31 11:20	111.2	↑1.1
12/31 11:30	112.1	↑0.9
12/31 11:40	112.9	↑0.8
12/31 11:50	113.6	↑0.7
12/31 12:00	114.1	↑0.5
12/31 12:10	114.4	↑0.3
12/31 12:20	114.6	↑0.2	満潮
12/31 12:30	114.6	0
12/31 12:40	114.5	↓-0.1
12/31 12:50	114.1	↓-0.4
12/31 13:00	113.6	↓-0.5
12/31 13:10	112.9	↓-0.7
12/31 13:20	112.1	↓-0.8
12/31 13:30	111.1	↓-1.0
12/31 13:40	109.9	↓-1.2
12/31 13:50	108.5	↓-1.4
12/31 14:00	107.0	↓-1.5
12/31 14:10	105.3	↓-1.7
12/31 14:20	103.4	↓-1.9
12/31 14:30	101.4	↓-2.0
12/31 14:40	99.3	↓-2.1
12/31 14:50	97.0	↓-2.3
12/31 15:00	94.6	↓-2.4
12/31 15:10	92.1	↓-2.5
12/31 15:20	89.5	↓-2.6
12/31 15:30	86.9	↓-2.6
12/31 15:40	84.1	↓-2.8
12/31 15:50	81.3	↓-2.8
12/31 16:00	78.4	↓-2.9
12/31 16:10	75.5	↓-2.9
12/31 16:20	72.6	↓-2.9
12/31 16:30	69.6	↓-3.0	最大潮位差
12/31 16:40	66.7	↓-2.9
12/31 16:50	63.8	↓-2.9
12/31 17:00	60.9	↓-2.9
12/31 17:10	58.1	↓-2.8
12/31 17:20	55.3	↓-2.8
12/31 17:30	52.6	↓-2.7
12/31 17:40	49.9	↓-2.7
12/31 17:50	47.4	↓-2.5
12/31 18:00	45.0	↓-2.4
12/31 18:10	42.6	↓-2.4
12/31 18:20	40.4	↓-2.2
12/31 18:30	38.4	↓-2.0
12/31 18:40	36.5	↓-1.9
12/31 18:50	34.7	↓-1.8
12/31 19:00	33.1	↓-1.6
12/31 19:10	31.6	↓-1.5
12/31 19:20	30.3	↓-1.3
12/31 19:30	29.2	↓-1.1
12/31 19:40	28.3	↓-0.9
12/31 19:50	27.5	↓-0.8
12/31 20:00	26.9	↓-0.6
12/31 20:10	26.5	↓-0.4
12/31 20:20	26.2	↓-0.3
12/31 20:30	26.1	↓-0.1	干潮
12/31 20:40	26.2	↑0.1
12/31 20:50	26.4	↑0.2
12/31 21:00	26.8	↑0.4
12/31 21:10	27.4	↑0.6
12/31 21:20	28.0	↑0.6
12/31 21:30	28.9	↑0.9
12/31 21:40	29.8	↑0.9
12/31 21:50	30.9	↑1.1
12/31 22:00	32.0	↑1.1
12/31 22:10	33.3	↑1.3
12/31 22:20	34.6	↑1.3
12/31 22:30	36.1	↑1.5
12/31 22:40	37.6	↑1.5
12/31 22:50	39.1	↑1.5
12/31 23:00	40.7	↑1.6
12/31 23:10	42.3	↑1.6
12/31 23:20	43.9	↑1.6
12/31 23:30	45.6	↑1.7
12/31 23:40	47.2	↑1.6
12/31 23:50	48.8	↑1.6