31 (金)	02:28	05:55	11:37	19:43
	112cm	104cm	141cm	16cm
中潮 出 06:50 入 15:53 出 03:40 入 13:17

花咲（北海道）2021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	96.8	↑2.1
12/31 00:10	98.8	↑2.0
12/31 00:20	100.7	↑1.9
12/31 00:30	102.4	↑1.7
12/31 00:40	104.0	↑1.6
12/31 00:50	105.4	↑1.4
12/31 01:00	106.8	↑1.4
12/31 01:10	107.9	↑1.1
12/31 01:20	108.9	↑1.0
12/31 01:30	109.8	↑0.9
12/31 01:40	110.5	↑0.7
12/31 01:50	111.0	↑0.5
12/31 02:00	111.5	↑0.5
12/31 02:10	111.7	↑0.2
12/31 02:20	111.9	↑0.2	満潮
12/31 02:30	111.9	0
12/31 02:40	111.8	↓-0.1
12/31 02:50	111.6	↓-0.2
12/31 03:00	111.3	↓-0.3
12/31 03:10	111.0	↓-0.3
12/31 03:20	110.5	↓-0.5
12/31 03:30	110.0	↓-0.5
12/31 03:40	109.4	↓-0.6
12/31 03:50	108.9	↓-0.5
12/31 04:00	108.2	↓-0.7
12/31 04:10	107.6	↓-0.6
12/31 04:20	107.0	↓-0.6
12/31 04:30	106.4	↓-0.6
12/31 04:40	105.8	↓-0.6
12/31 04:50	105.3	↓-0.5
12/31 05:00	104.8	↓-0.5
12/31 05:10	104.3	↓-0.5
12/31 05:20	104.0	↓-0.3
12/31 05:30	103.7	↓-0.3
12/31 05:40	103.5	↓-0.2
12/31 05:50	103.4	↓-0.1	干潮
12/31 06:00	103.4	0
12/31 06:10	103.6	↑0.2
12/31 06:20	103.8	↑0.2
12/31 06:30	104.2	↑0.4
12/31 06:40	104.6	↑0.4
12/31 06:50	105.3	↑0.7
12/31 07:00	106.0	↑0.7
12/31 07:10	106.8	↑0.8
12/31 07:20	107.8	↑1.0
12/31 07:30	108.9	↑1.1
12/31 07:40	110.1	↑1.2
12/31 07:50	111.5	↑1.4
12/31 08:00	112.9	↑1.4
12/31 08:10	114.4	↑1.5
12/31 08:20	116.0	↑1.6
12/31 08:30	117.6	↑1.6
12/31 08:40	119.3	↑1.7
12/31 08:50	121.0	↑1.7
12/31 09:00	122.8	↑1.8
12/31 09:10	124.6	↑1.8
12/31 09:20	126.3	↑1.7
12/31 09:30	128.0	↑1.7
12/31 09:40	129.7	↑1.7
12/31 09:50	131.3	↑1.6
12/31 10:00	132.9	↑1.6
12/31 10:10	134.3	↑1.4
12/31 10:20	135.7	↑1.4
12/31 10:30	136.9	↑1.2
12/31 10:40	138.0	↑1.1
12/31 10:50	138.9	↑0.9
12/31 11:00	139.7	↑0.8
12/31 11:10	140.3	↑0.6
12/31 11:20	140.7	↑0.4
12/31 11:30	141.0	↑0.3	満潮
12/31 11:40	141.0	0
12/31 11:50	140.8	↓-0.2
12/31 12:00	140.4	↓-0.4
12/31 12:10	139.8	↓-0.6
12/31 12:20	138.9	↓-0.9
12/31 12:30	137.9	↓-1.0
12/31 12:40	136.6	↓-1.3
12/31 12:50	135.1	↓-1.5
12/31 13:00	133.3	↓-1.8
12/31 13:10	131.4	↓-1.9
12/31 13:20	129.2	↓-2.2
12/31 13:30	126.8	↓-2.4
12/31 13:40	124.2	↓-2.6
12/31 13:50	121.4	↓-2.8
12/31 14:00	118.4	↓-3.0
12/31 14:10	115.2	↓-3.2
12/31 14:20	111.9	↓-3.3
12/31 14:30	108.4	↓-3.5
12/31 14:40	104.7	↓-3.7
12/31 14:50	100.9	↓-3.8
12/31 15:00	97.1	↓-3.8
12/31 15:10	93.1	↓-4.0
12/31 15:20	89.1	↓-4.0
12/31 15:30	85.0	↓-4.1
12/31 15:40	80.9	↓-4.1
12/31 15:50	76.7	↓-4.2	最大潮位差
12/31 16:00	72.6	↓-4.1
12/31 16:10	68.4	↓-4.2	最大潮位差
12/31 16:20	64.4	↓-4.0
12/31 16:30	60.3	↓-4.1
12/31 16:40	56.4	↓-3.9
12/31 16:50	52.5	↓-3.9
12/31 17:00	48.8	↓-3.7
12/31 17:10	45.2	↓-3.6
12/31 17:20	41.7	↓-3.5
12/31 17:30	38.4	↓-3.3
12/31 17:40	35.2	↓-3.2
12/31 17:50	32.3	↓-2.9
12/31 18:00	29.6	↓-2.7
12/31 18:10	27.0	↓-2.6
12/31 18:20	24.7	↓-2.3
12/31 18:30	22.7	↓-2.0
12/31 18:40	20.8	↓-1.9
12/31 18:50	19.3	↓-1.5
12/31 19:00	18.0	↓-1.3
12/31 19:10	16.9	↓-1.1
12/31 19:20	16.2	↓-0.7
12/31 19:30	15.7	↓-0.5
12/31 19:40	15.5	↓-0.2	干潮
12/31 19:50	15.6	↑0.1
12/31 20:00	16.0	↑0.4
12/31 20:10	16.6	↑0.6
12/31 20:20	17.5	↑0.9
12/31 20:30	18.7	↑1.2
12/31 20:40	20.1	↑1.4
12/31 20:50	21.8	↑1.7
12/31 21:00	23.7	↑1.9
12/31 21:10	25.9	↑2.2
12/31 21:20	28.2	↑2.3
12/31 21:30	30.8	↑2.6
12/31 21:40	33.5	↑2.7
12/31 21:50	36.4	↑2.9
12/31 22:00	39.5	↑3.1
12/31 22:10	42.6	↑3.1
12/31 22:20	45.9	↑3.3
12/31 22:30	49.3	↑3.4
12/31 22:40	52.8	↑3.5
12/31 22:50	56.3	↑3.5
12/31 23:00	59.8	↑3.5
12/31 23:10	63.4	↑3.6
12/31 23:20	67.0	↑3.6
12/31 23:30	70.5	↑3.5
12/31 23:40	74.1	↑3.6
12/31 23:50	77.5	↑3.4