20 (金)	05:54	08:39	16:02	23:53
	64cm	60cm	126cm	24cm
中潮 出 06:52 入 15:46 出 09:13 入 19:37

コイセボイ（北海道）2047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	19.4	↑0.7
12/20 00:10	20.3	↑0.9
12/20 00:20	21.3	↑1.0
12/20 00:30	22.4	↑1.1
12/20 00:40	23.7	↑1.3
12/20 00:50	25.1	↑1.4
12/20 01:00	26.7	↑1.6
12/20 01:10	28.3	↑1.6
12/20 01:20	30.0	↑1.7
12/20 01:30	31.7	↑1.7
12/20 01:40	33.6	↑1.9
12/20 01:50	35.4	↑1.8
12/20 02:00	37.3	↑1.9
12/20 02:10	39.2	↑1.9
12/20 02:20	41.1	↑1.9
12/20 02:30	43.0	↑1.9
12/20 02:40	44.8	↑1.8
12/20 02:50	46.6	↑1.8
12/20 03:00	48.4	↑1.8
12/20 03:10	50.1	↑1.7
12/20 03:20	51.7	↑1.6
12/20 03:30	53.2	↑1.5
12/20 03:40	54.7	↑1.5
12/20 03:50	56.1	↑1.4
12/20 04:00	57.3	↑1.2
12/20 04:10	58.5	↑1.2
12/20 04:20	59.5	↑1.0
12/20 04:30	60.4	↑0.9
12/20 04:40	61.3	↑0.9
12/20 04:50	62.0	↑0.7
12/20 05:00	62.5	↑0.5
12/20 05:10	63.0	↑0.5
12/20 05:20	63.4	↑0.4
12/20 05:30	63.7	↑0.3
12/20 05:40	63.8	↑0.1
12/20 05:50	63.9	↑0.1	満潮
12/20 06:00	63.9	0
12/20 06:10	63.8	↓-0.1
12/20 06:20	63.6	↓-0.2
12/20 06:30	63.4	↓-0.2
12/20 06:40	63.1	↓-0.3
12/20 06:50	62.8	↓-0.3
12/20 07:00	62.5	↓-0.3
12/20 07:10	62.1	↓-0.4
12/20 07:20	61.7	↓-0.4
12/20 07:30	61.4	↓-0.3
12/20 07:40	61.0	↓-0.4
12/20 07:50	60.7	↓-0.3
12/20 08:00	60.4	↓-0.3
12/20 08:10	60.2	↓-0.2
12/20 08:20	60.0	↓-0.2
12/20 08:30	59.9	↓-0.1	干潮
12/20 08:40	59.9	0
12/20 08:50	59.9	0
12/20 09:00	60.1	↑0.2
12/20 09:10	60.3	↑0.2
12/20 09:20	60.7	↑0.4
12/20 09:30	61.2	↑0.5
12/20 09:40	61.8	↑0.6
12/20 09:50	62.6	↑0.8
12/20 10:00	63.4	↑0.8
12/20 10:10	64.4	↑1.0
12/20 10:20	65.6	↑1.2
12/20 10:30	66.8	↑1.2
12/20 10:40	68.2	↑1.4
12/20 10:50	69.8	↑1.6
12/20 11:00	71.4	↑1.6
12/20 11:10	73.2	↑1.8
12/20 11:20	75.0	↑1.8
12/20 11:30	77.0	↑2.0
12/20 11:40	79.1	↑2.1
12/20 11:50	81.3	↑2.2
12/20 12:00	83.5	↑2.2
12/20 12:10	85.8	↑2.3
12/20 12:20	88.2	↑2.4
12/20 12:30	90.6	↑2.4
12/20 12:40	93.0	↑2.4
12/20 12:50	95.4	↑2.4
12/20 13:00	97.9	↑2.5
12/20 13:10	100.3	↑2.4
12/20 13:20	102.7	↑2.4
12/20 13:30	105.1	↑2.4
12/20 13:40	107.4	↑2.3
12/20 13:50	109.6	↑2.2
12/20 14:00	111.7	↑2.1
12/20 14:10	113.8	↑2.1
12/20 14:20	115.7	↑1.9
12/20 14:30	117.5	↑1.8
12/20 14:40	119.1	↑1.6
12/20 14:50	120.6	↑1.5
12/20 15:00	121.9	↑1.3
12/20 15:10	123.1	↑1.2
12/20 15:20	124.0	↑0.9
12/20 15:30	124.8	↑0.8
12/20 15:40	125.4	↑0.6
12/20 15:50	125.7	↑0.3
12/20 16:00	125.9	↑0.2	満潮
12/20 16:10	125.8	↓-0.1
12/20 16:20	125.5	↓-0.3
12/20 16:30	124.9	↓-0.6
12/20 16:40	124.2	↓-0.7
12/20 16:50	123.2	↓-1.0
12/20 17:00	122.0	↓-1.2
12/20 17:10	120.6	↓-1.4
12/20 17:20	118.9	↓-1.7
12/20 17:30	117.1	↓-1.8
12/20 17:40	115.1	↓-2.0
12/20 17:50	112.8	↓-2.3
12/20 18:00	110.4	↓-2.4
12/20 18:10	107.9	↓-2.5
12/20 18:20	105.1	↓-2.8
12/20 18:30	102.3	↓-2.8
12/20 18:40	99.2	↓-3.1
12/20 18:50	96.1	↓-3.1
12/20 19:00	92.9	↓-3.2
12/20 19:10	89.6	↓-3.3
12/20 19:20	86.2	↓-3.4
12/20 19:30	82.8	↓-3.4
12/20 19:40	79.3	↓-3.5	最大潮位差
12/20 19:50	75.8	↓-3.5	最大潮位差
12/20 20:00	72.3	↓-3.5	最大潮位差
12/20 20:10	68.8	↓-3.5	最大潮位差
12/20 20:20	65.4	↓-3.4
12/20 20:30	61.9	↓-3.5	最大潮位差
12/20 20:40	58.6	↓-3.3
12/20 20:50	55.3	↓-3.3
12/20 21:00	52.2	↓-3.1
12/20 21:10	49.1	↓-3.1
12/20 21:20	46.2	↓-2.9
12/20 21:30	43.4	↓-2.8
12/20 21:40	40.7	↓-2.7
12/20 21:50	38.3	↓-2.4
12/20 22:00	35.9	↓-2.4
12/20 22:10	33.8	↓-2.1
12/20 22:20	31.8	↓-2.0
12/20 22:30	30.1	↓-1.7
12/20 22:40	28.5	↓-1.6
12/20 22:50	27.2	↓-1.3
12/20 23:00	26.0	↓-1.2
12/20 23:10	25.0	↓-1.0
12/20 23:20	24.3	↓-0.7
12/20 23:30	23.8	↓-0.5
12/20 23:40	23.4	↓-0.4
12/20 23:50	23.3	↓-0.1	干潮