31 (火)	07:00	00:09	17:32	11:53
	115cm	26cm	137cm	87cm
中潮 出 06:50 入 15:53 出 10:10 入 20:46

花咲（北海道）2019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	25.3	↓-0.4	干潮
12/31 00:10	25.2	↓-0.1
12/31 00:20	25.4	↑0.2
12/31 00:30	25.9	↑0.5
12/31 00:40	26.7	↑0.8
12/31 00:50	27.8	↑1.1
12/31 01:00	29.2	↑1.4
12/31 01:10	30.8	↑1.6
12/31 01:20	32.6	↑1.8
12/31 01:30	34.7	↑2.1
12/31 01:40	37.0	↑2.3
12/31 01:50	39.6	↑2.6
12/31 02:00	42.3	↑2.7
12/31 02:10	45.1	↑2.8
12/31 02:20	48.1	↑3.0
12/31 02:30	51.3	↑3.2
12/31 02:40	54.5	↑3.2
12/31 02:50	57.8	↑3.3
12/31 03:00	61.2	↑3.4
12/31 03:10	64.7	↑3.5
12/31 03:20	68.1	↑3.4
12/31 03:30	71.6	↑3.5
12/31 03:40	75.0	↑3.4
12/31 03:50	78.4	↑3.4
12/31 04:00	81.8	↑3.4
12/31 04:10	85.0	↑3.2
12/31 04:20	88.2	↑3.2
12/31 04:30	91.2	↑3.0
12/31 04:40	94.1	↑2.9
12/31 04:50	96.8	↑2.7
12/31 05:00	99.4	↑2.6
12/31 05:10	101.8	↑2.4
12/31 05:20	104.0	↑2.2
12/31 05:30	106.0	↑2.0
12/31 05:40	107.8	↑1.8
12/31 05:50	109.4	↑1.6
12/31 06:00	110.8	↑1.4
12/31 06:10	111.9	↑1.1
12/31 06:20	112.9	↑1.0
12/31 06:30	113.6	↑0.7
12/31 06:40	114.1	↑0.5
12/31 06:50	114.3	↑0.2	満潮
12/31 07:00	114.4	↑0.1	満潮
12/31 07:10	114.3	↓-0.1
12/31 07:20	114.0	↓-0.3
12/31 07:30	113.5	↓-0.5
12/31 07:40	112.9	↓-0.6
12/31 07:50	112.1	↓-0.8
12/31 08:00	111.2	↓-0.9
12/31 08:10	110.2	↓-1.0
12/31 08:20	109.1	↓-1.1
12/31 08:30	107.9	↓-1.2
12/31 08:40	106.6	↓-1.3
12/31 08:50	105.3	↓-1.3
12/31 09:00	103.9	↓-1.4
12/31 09:10	102.5	↓-1.4
12/31 09:20	101.0	↓-1.5
12/31 09:30	99.6	↓-1.4
12/31 09:40	98.1	↓-1.5
12/31 09:50	96.7	↓-1.4
12/31 10:00	95.4	↓-1.3
12/31 10:10	94.1	↓-1.3
12/31 10:20	92.8	↓-1.3
12/31 10:30	91.7	↓-1.1
12/31 10:40	90.6	↓-1.1
12/31 10:50	89.6	↓-1.0
12/31 11:00	88.8	↓-0.8
12/31 11:10	88.0	↓-0.8
12/31 11:20	87.4	↓-0.6
12/31 11:30	87.0	↓-0.4
12/31 11:40	86.7	↓-0.3
12/31 11:50	86.6	↓-0.1	干潮
12/31 12:00	86.7	↑0.1
12/31 12:10	86.9	↑0.2
12/31 12:20	87.3	↑0.4
12/31 12:30	87.9	↑0.6
12/31 12:40	88.7	↑0.8
12/31 12:50	89.6	↑0.9
12/31 13:00	90.8	↑1.2
12/31 13:10	92.1	↑1.3
12/31 13:20	93.5	↑1.4
12/31 13:30	95.2	↑1.7
12/31 13:40	96.9	↑1.7
12/31 13:50	98.8	↑1.9
12/31 14:00	100.8	↑2.0
12/31 14:10	102.9	↑2.1
12/31 14:20	105.1	↑2.2
12/31 14:30	107.4	↑2.3
12/31 14:40	109.7	↑2.3
12/31 14:50	112.0	↑2.3
12/31 15:00	114.3	↑2.3
12/31 15:10	116.6	↑2.3
12/31 15:20	118.9	↑2.3
12/31 15:30	121.2	↑2.3
12/31 15:40	123.3	↑2.1
12/31 15:50	125.4	↑2.1
12/31 16:00	127.4	↑2.0
12/31 16:10	129.2	↑1.8
12/31 16:20	130.8	↑1.6
12/31 16:30	132.3	↑1.5
12/31 16:40	133.7	↑1.4
12/31 16:50	134.8	↑1.1
12/31 17:00	135.6	↑0.8
12/31 17:10	136.3	↑0.7
12/31 17:20	136.7	↑0.4
12/31 17:30	136.9	↑0.2	満潮
12/31 17:40	136.8	↓-0.1
12/31 17:50	136.4	↓-0.4
12/31 18:00	135.8	↓-0.6
12/31 18:10	134.9	↓-0.9
12/31 18:20	133.7	↓-1.2
12/31 18:30	132.2	↓-1.5
12/31 18:40	130.5	↓-1.7
12/31 18:50	128.6	↓-1.9
12/31 19:00	126.4	↓-2.2
12/31 19:10	124.0	↓-2.4
12/31 19:20	121.3	↓-2.7
12/31 19:30	118.5	↓-2.8
12/31 19:40	115.5	↓-3.0
12/31 19:50	112.3	↓-3.2
12/31 20:00	109.0	↓-3.3
12/31 20:10	105.6	↓-3.4
12/31 20:20	102.1	↓-3.5
12/31 20:30	98.5	↓-3.6
12/31 20:40	94.8	↓-3.7	最大潮位差
12/31 20:50	91.1	↓-3.7	最大潮位差
12/31 21:00	87.4	↓-3.7	最大潮位差
12/31 21:10	83.7	↓-3.7	最大潮位差
12/31 21:20	80.0	↓-3.7	最大潮位差
12/31 21:30	76.3	↓-3.7	最大潮位差
12/31 21:40	72.7	↓-3.6
12/31 21:50	69.2	↓-3.5
12/31 22:00	65.8	↓-3.4
12/31 22:10	62.5	↓-3.3
12/31 22:20	59.3	↓-3.2
12/31 22:30	56.2	↓-3.1
12/31 22:40	53.3	↓-2.9
12/31 22:50	50.6	↓-2.7
12/31 23:00	48.1	↓-2.5
12/31 23:10	45.7	↓-2.4
12/31 23:20	43.6	↓-2.1
12/31 23:30	41.7	↓-1.9
12/31 23:40	40.0	↓-1.7
12/31 23:50	38.6	↓-1.4