31 (木)	05:17	09:20	14:56	22:38
	123cm	104cm	153cm	3cm
大潮 出 06:50 入 15:53 出 16:46 入 07:43

花咲（北海道）2020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	27.8	↑3.5
12/31 00:10	31.5	↑3.7
12/31 00:20	35.4	↑3.9
12/31 00:30	39.5	↑4.1
12/31 00:40	43.6	↑4.1
12/31 00:50	47.9	↑4.3
12/31 01:00	52.2	↑4.3
12/31 01:10	56.6	↑4.4
12/31 01:20	60.9	↑4.3
12/31 01:30	65.3	↑4.4
12/31 01:40	69.7	↑4.4
12/31 01:50	74.0	↑4.3
12/31 02:00	78.2	↑4.2
12/31 02:10	82.3	↑4.1
12/31 02:20	86.3	↑4.0
12/31 02:30	90.1	↑3.8
12/31 02:40	93.8	↑3.7
12/31 02:50	97.3	↑3.5
12/31 03:00	100.6	↑3.3
12/31 03:10	103.7	↑3.1
12/31 03:20	106.6	↑2.9
12/31 03:30	109.2	↑2.6
12/31 03:40	111.6	↑2.4
12/31 03:50	113.8	↑2.2
12/31 04:00	115.7	↑1.9
12/31 04:10	117.3	↑1.6
12/31 04:20	118.7	↑1.4
12/31 04:30	119.8	↑1.1
12/31 04:40	120.7	↑0.9
12/31 04:50	121.4	↑0.7
12/31 05:00	121.8	↑0.4
12/31 05:10	122.0	↑0.2	満潮
12/31 05:20	122.0	0
12/31 05:30	121.9	↓-0.1
12/31 05:40	121.5	↓-0.4
12/31 05:50	121.0	↓-0.5
12/31 06:00	120.4	↓-0.6
12/31 06:10	119.6	↓-0.8
12/31 06:20	118.7	↓-0.9
12/31 06:30	117.8	↓-0.9
12/31 06:40	116.7	↓-1.1
12/31 06:50	115.7	↓-1.0
12/31 07:00	114.5	↓-1.2
12/31 07:10	113.4	↓-1.1
12/31 07:20	112.3	↓-1.1
12/31 07:30	111.2	↓-1.1
12/31 07:40	110.1	↓-1.1
12/31 07:50	109.0	↓-1.1
12/31 08:00	108.0	↓-1.0
12/31 08:10	107.1	↓-0.9
12/31 08:20	106.3	↓-0.8
12/31 08:30	105.6	↓-0.7
12/31 08:40	105.0	↓-0.6
12/31 08:50	104.5	↓-0.5
12/31 09:00	104.1	↓-0.4
12/31 09:10	103.9	↓-0.2	干潮
12/31 09:20	103.8	↓-0.1	干潮
12/31 09:30	103.9	↑0.1
12/31 09:40	104.2	↑0.3
12/31 09:50	104.6	↑0.4
12/31 10:00	105.2	↑0.6
12/31 10:10	105.9	↑0.7
12/31 10:20	106.9	↑1.0
12/31 10:30	108.0	↑1.1
12/31 10:40	109.2	↑1.2
12/31 10:50	110.7	↑1.5
12/31 11:00	112.2	↑1.5
12/31 11:10	113.9	↑1.7
12/31 11:20	115.8	↑1.9
12/31 11:30	117.7	↑1.9
12/31 11:40	119.8	↑2.1
12/31 11:50	121.9	↑2.1
12/31 12:00	124.1	↑2.2
12/31 12:10	126.3	↑2.2
12/31 12:20	128.6	↑2.3
12/31 12:30	130.8	↑2.2
12/31 12:40	133.1	↑2.3
12/31 12:50	135.3	↑2.2
12/31 13:00	137.5	↑2.2
12/31 13:10	139.6	↑2.1
12/31 13:20	141.6	↑2.0
12/31 13:30	143.4	↑1.8
12/31 13:40	145.2	↑1.8
12/31 13:50	146.8	↑1.6
12/31 14:00	148.2	↑1.4
12/31 14:10	149.4	↑1.2
12/31 14:20	150.4	↑1.0
12/31 14:30	151.2	↑0.8
12/31 14:40	151.7	↑0.5
12/31 14:50	152.0	↑0.3	満潮
12/31 15:00	152.0	0
12/31 15:10	151.7	↓-0.3
12/31 15:20	151.2	↓-0.5
12/31 15:30	150.3	↓-0.9
12/31 15:40	149.2	↓-1.1
12/31 15:50	147.7	↓-1.5
12/31 16:00	145.9	↓-1.8
12/31 16:10	143.8	↓-2.1
12/31 16:20	141.4	↓-2.4
12/31 16:30	138.8	↓-2.6
12/31 16:40	135.8	↓-3.0
12/31 16:50	132.5	↓-3.3
12/31 17:00	129.0	↓-3.5
12/31 17:10	125.2	↓-3.8
12/31 17:20	121.2	↓-4.0
12/31 17:30	117.0	↓-4.2
12/31 17:40	112.5	↓-4.5
12/31 17:50	107.9	↓-4.6
12/31 18:00	103.1	↓-4.8
12/31 18:10	98.2	↓-4.9
12/31 18:20	93.2	↓-5.0
12/31 18:30	88.1	↓-5.1
12/31 18:40	83.0	↓-5.1
12/31 18:50	77.8	↓-5.2	最大潮位差
12/31 19:00	72.6	↓-5.2	最大潮位差
12/31 19:10	67.5	↓-5.1
12/31 19:20	62.4	↓-5.1
12/31 19:30	57.3	↓-5.1
12/31 19:40	52.4	↓-4.9
12/31 19:50	47.5	↓-4.9
12/31 20:00	42.8	↓-4.7
12/31 20:10	38.3	↓-4.5
12/31 20:20	33.9	↓-4.4
12/31 20:30	29.8	↓-4.1
12/31 20:40	25.9	↓-3.9
12/31 20:50	22.2	↓-3.7
12/31 21:00	18.8	↓-3.4
12/31 21:10	15.6	↓-3.2
12/31 21:20	12.8	↓-2.8
12/31 21:30	10.3	↓-2.5
12/31 21:40	8.1	↓-2.2
12/31 21:50	6.2	↓-1.9
12/31 22:00	4.7	↓-1.5
12/31 22:10	3.5	↓-1.2
12/31 22:20	2.7	↓-0.8
12/31 22:30	2.3	↓-0.4	干潮
12/31 22:40	2.2	↓-0.1
12/31 22:50	2.6	↑0.4
12/31 23:00	3.2	↑0.6
12/31 23:10	4.3	↑1.1
12/31 23:20	5.6	↑1.3
12/31 23:30	7.3	↑1.7
12/31 23:40	9.4	↑2.1
12/31 23:50	11.8	↑2.4