31 (木)	10:52	04:39	22:18	16:11
	128cm	3cm	148cm	41cm
大潮 出 07:22 入 17:20 出 18:19 入 08:13

砂津（福岡）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	107.8	↓-5.0
12/31 00:10	102.6	↓-5.2
12/31 00:20	97.3	↓-5.3
12/31 00:30	91.8	↓-5.5
12/31 00:40	86.3	↓-5.5
12/31 00:50	80.7	↓-5.6	最大潮位差
12/31 01:00	75.2	↓-5.5
12/31 01:10	69.7	↓-5.5
12/31 01:20	64.3	↓-5.4
12/31 01:30	59.0	↓-5.3
12/31 01:40	53.9	↓-5.1
12/31 01:50	48.9	↓-5.0
12/31 02:00	44.1	↓-4.8
12/31 02:10	39.5	↓-4.6
12/31 02:20	35.1	↓-4.4
12/31 02:30	31.0	↓-4.1
12/31 02:40	27.0	↓-4.0
12/31 02:50	23.4	↓-3.6
12/31 03:00	19.9	↓-3.5
12/31 03:10	16.7	↓-3.2
12/31 03:20	13.8	↓-2.9
12/31 03:30	11.2	↓-2.6
12/31 03:40	8.9	↓-2.3
12/31 03:50	6.9	↓-2.0
12/31 04:00	5.2	↓-1.7
12/31 04:10	3.9	↓-1.3
12/31 04:20	3.0	↓-0.9
12/31 04:30	2.4	↓-0.6	干潮
12/31 04:40	2.3	↓-0.1
12/31 04:50	2.7	↑0.4
12/31 05:00	3.4	↑0.7
12/31 05:10	4.6	↑1.2
12/31 05:20	6.3	↑1.7
12/31 05:30	8.3	↑2.0
12/31 05:40	10.8	↑2.5
12/31 05:50	13.7	↑2.9
12/31 06:00	17.0	↑3.3
12/31 06:10	20.6	↑3.6
12/31 06:20	24.6	↑4.0
12/31 06:30	28.8	↑4.2
12/31 06:40	33.3	↑4.5
12/31 06:50	38.0	↑4.7
12/31 07:00	42.8	↑4.8
12/31 07:10	47.8	↑5.0
12/31 07:20	52.8	↑5.0
12/31 07:30	57.9	↑5.1
12/31 07:40	63.1	↑5.2
12/31 07:50	68.2	↑5.1
12/31 08:00	73.2	↑5.0
12/31 08:10	78.2	↑5.0
12/31 08:20	83.1	↑4.9
12/31 08:30	87.9	↑4.8
12/31 08:40	92.5	↑4.6
12/31 08:50	96.9	↑4.4
12/31 09:00	101.2	↑4.3
12/31 09:10	105.2	↑4.0
12/31 09:20	109.0	↑3.8
12/31 09:30	112.5	↑3.5
12/31 09:40	115.7	↑3.2
12/31 09:50	118.5	↑2.8
12/31 10:00	121.0	↑2.5
12/31 10:10	123.1	↑2.1
12/31 10:20	124.8	↑1.7
12/31 10:30	126.0	↑1.2
12/31 10:40	126.8	↑0.8
12/31 10:50	127.1	↑0.3	満潮
12/31 11:00	126.9	↓-0.2
12/31 11:10	126.2	↓-0.7
12/31 11:20	125.0	↓-1.2
12/31 11:30	123.4	↓-1.6
12/31 11:40	121.3	↓-2.1
12/31 11:50	118.7	↓-2.6
12/31 12:00	115.8	↓-2.9
12/31 12:10	112.5	↓-3.3
12/31 12:20	108.9	↓-3.6
12/31 12:30	105.0	↓-3.9
12/31 12:40	100.9	↓-4.1
12/31 12:50	96.7	↓-4.2
12/31 13:00	92.4	↓-4.3
12/31 13:10	88.0	↓-4.4
12/31 13:20	83.7	↓-4.3
12/31 13:30	79.4	↓-4.3
12/31 13:40	75.2	↓-4.2
12/31 13:50	71.1	↓-4.1
12/31 14:00	67.2	↓-3.9
12/31 14:10	63.6	↓-3.6
12/31 14:20	60.1	↓-3.5
12/31 14:30	56.9	↓-3.2
12/31 14:40	53.9	↓-3.0
12/31 14:50	51.3	↓-2.6
12/31 15:00	48.9	↓-2.4
12/31 15:10	46.8	↓-2.1
12/31 15:20	45.0	↓-1.8
12/31 15:30	43.5	↓-1.5
12/31 15:40	42.3	↓-1.2
12/31 15:50	41.5	↓-0.8
12/31 16:00	41.0	↓-0.5
12/31 16:10	40.8	↓-0.2	干潮
12/31 16:20	41.0	↑0.2
12/31 16:30	41.6	↑0.6
12/31 16:40	42.5	↑0.9
12/31 16:50	43.8	↑1.3
12/31 17:00	45.5	↑1.7
12/31 17:10	47.5	↑2.0
12/31 17:20	49.9	↑2.4
12/31 17:30	52.7	↑2.8
12/31 17:40	55.8	↑3.1
12/31 17:50	59.2	↑3.4
12/31 18:00	62.9	↑3.7
12/31 18:10	66.9	↑4.0
12/31 18:20	71.1	↑4.2
12/31 18:30	75.5	↑4.4
12/31 18:40	80.1	↑4.6
12/31 18:50	84.7	↑4.6
12/31 19:00	89.4	↑4.7
12/31 19:10	94.1	↑4.7
12/31 19:20	98.8	↑4.7
12/31 19:30	103.4	↑4.6
12/31 19:40	107.9	↑4.5
12/31 19:50	112.3	↑4.4
12/31 20:00	116.4	↑4.1
12/31 20:10	120.4	↑4.0
12/31 20:20	124.2	↑3.8
12/31 20:30	127.7	↑3.5
12/31 20:40	131.0	↑3.3
12/31 20:50	134.0	↑3.0
12/31 21:00	136.7	↑2.7
12/31 21:10	139.1	↑2.4
12/31 21:20	141.3	↑2.2
12/31 21:30	143.1	↑1.8
12/31 21:40	144.6	↑1.5
12/31 21:50	145.7	↑1.1
12/31 22:00	146.6	↑0.9
12/31 22:10	147.0	↑0.4	満潮
12/31 22:20	147.1	↑0.1
12/31 22:30	146.8	↓-0.3
12/31 22:40	146.1	↓-0.7
12/31 22:50	145.0	↓-1.1
12/31 23:00	143.5	↓-1.5
12/31 23:10	141.5	↓-2.0
12/31 23:20	139.1	↓-2.4
12/31 23:30	136.3	↓-2.8
12/31 23:40	133.1	↓-3.2
12/31 23:50	129.5	↓-3.6