31 (木)	10:13	03:21	21:37	15:56
	306cm	7cm	271cm	114cm
大潮 出 07:18 入 17:17 出 18:15 入 08:09

姫島（大分）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	151.7	↓-11.0
12/31 00:10	140.5	↓-11.2
12/31 00:20	129.3	↓-11.2
12/31 00:30	118.2	↓-11.1
12/31 00:40	107.2	↓-11.0
12/31 00:50	96.4	↓-10.8
12/31 01:00	86.0	↓-10.4
12/31 01:10	75.9	↓-10.1
12/31 01:20	66.2	↓-9.7
12/31 01:30	57.2	↓-9.0
12/31 01:40	48.7	↓-8.5
12/31 01:50	40.9	↓-7.8
12/31 02:00	33.8	↓-7.1
12/31 02:10	27.4	↓-6.4
12/31 02:20	21.9	↓-5.5
12/31 02:30	17.1	↓-4.8
12/31 02:40	13.3	↓-3.8
12/31 02:50	10.2	↓-3.1
12/31 03:00	8.1	↓-2.1
12/31 03:10	6.8	↓-1.3
12/31 03:20	6.3	↓-0.5	干潮
12/31 03:30	6.7	↑0.4
12/31 03:40	8.0	↑1.3
12/31 03:50	10.0	↑2.0
12/31 04:00	12.9	↑2.9
12/31 04:10	16.6	↑3.7
12/31 04:20	21.0	↑4.4
12/31 04:30	26.1	↑5.1
12/31 04:40	32.0	↑5.9
12/31 04:50	38.5	↑6.5
12/31 05:00	45.7	↑7.2
12/31 05:10	53.5	↑7.8
12/31 05:20	61.9	↑8.4
12/31 05:30	70.8	↑8.9
12/31 05:40	80.3	↑9.5
12/31 05:50	90.1	↑9.8
12/31 06:00	100.4	↑10.3
12/31 06:10	111.1	↑10.7
12/31 06:20	122.0	↑10.9
12/31 06:30	133.2	↑11.2
12/31 06:40	144.6	↑11.4
12/31 06:50	156.0	↑11.4
12/31 07:00	167.5	↑11.5	最大潮位差
12/31 07:10	179.0	↑11.5	最大潮位差
12/31 07:20	190.4	↑11.4
12/31 07:30	201.6	↑11.2
12/31 07:40	212.5	↑10.9
12/31 07:50	223.2	↑10.7
12/31 08:00	233.4	↑10.2
12/31 08:10	243.2	↑9.8
12/31 08:20	252.4	↑9.2
12/31 08:30	261.1	↑8.7
12/31 08:40	269.2	↑8.1
12/31 08:50	276.5	↑7.3
12/31 09:00	283.1	↑6.6
12/31 09:10	288.9	↑5.8
12/31 09:20	294.0	↑5.1
12/31 09:30	298.1	↑4.1
12/31 09:40	301.4	↑3.3
12/31 09:50	303.8	↑2.4
12/31 10:00	305.3	↑1.5
12/31 10:10	306.0	↑0.7	満潮
12/31 10:20	305.7	↓-0.3
12/31 10:30	304.5	↓-1.2
12/31 10:40	302.4	↓-2.1
12/31 10:50	299.5	↓-2.9
12/31 11:00	295.8	↓-3.7
12/31 11:10	291.3	↓-4.5
12/31 11:20	286.0	↓-5.3
12/31 11:30	280.1	↓-5.9
12/31 11:40	273.5	↓-6.6
12/31 11:50	266.4	↓-7.1
12/31 12:00	258.7	↓-7.7
12/31 12:10	250.7	↓-8.0
12/31 12:20	242.2	↓-8.5
12/31 12:30	233.5	↓-8.7
12/31 12:40	224.7	↓-8.8
12/31 12:50	215.7	↓-9.0
12/31 13:00	206.7	↓-9.0
12/31 13:10	197.8	↓-8.9
12/31 13:20	189.0	↓-8.8
12/31 13:30	180.4	↓-8.6
12/31 13:40	172.2	↓-8.2
12/31 13:50	164.3	↓-7.9
12/31 14:00	156.9	↓-7.4
12/31 14:10	149.9	↓-7.0
12/31 14:20	143.4	↓-6.5
12/31 14:30	137.6	↓-5.8
12/31 14:40	132.3	↓-5.3
12/31 14:50	127.7	↓-4.6
12/31 15:00	123.7	↓-4.0
12/31 15:10	120.4	↓-3.3
12/31 15:20	117.8	↓-2.6
12/31 15:30	115.8	↓-2.0
12/31 15:40	114.5	↓-1.3
12/31 15:50	113.8	↓-0.7	干潮
12/31 16:00	113.8	0
12/31 16:10	114.4	↑0.6
12/31 16:20	115.6	↑1.2
12/31 16:30	117.4	↑1.8
12/31 16:40	119.7	↑2.3
12/31 16:50	122.6	↑2.9
12/31 17:00	126.0	↑3.4
12/31 17:10	130.0	↑4.0
12/31 17:20	134.3	↑4.3
12/31 17:30	139.2	↑4.9
12/31 17:40	144.4	↑5.2
12/31 17:50	150.0	↑5.6
12/31 18:00	156.0	↑6.0
12/31 18:10	162.3	↑6.3
12/31 18:20	168.8	↑6.5
12/31 18:30	175.6	↑6.8
12/31 18:40	182.5	↑6.9
12/31 18:50	189.6	↑7.1
12/31 19:00	196.7	↑7.1
12/31 19:10	203.9	↑7.2
12/31 19:20	211.0	↑7.1
12/31 19:30	218.0	↑7.0
12/31 19:40	224.8	↑6.8
12/31 19:50	231.3	↑6.5
12/31 20:00	237.5	↑6.2
12/31 20:10	243.4	↑5.9
12/31 20:20	248.8	↑5.4
12/31 20:30	253.8	↑5.0
12/31 20:40	258.1	↑4.3
12/31 20:50	261.9	↑3.8
12/31 21:00	265.0	↑3.1
12/31 21:10	267.4	↑2.4
12/31 21:20	269.1	↑1.7
12/31 21:30	270.0	↑0.9	満潮
12/31 21:40	270.1	↑0.1
12/31 21:50	269.4	↓-0.7
12/31 22:00	267.9	↓-1.5
12/31 22:10	265.5	↓-2.4
12/31 22:20	262.3	↓-3.2
12/31 22:30	258.3	↓-4.0
12/31 22:40	253.4	↓-4.9
12/31 22:50	247.8	↓-5.6
12/31 23:00	241.3	↓-6.5
12/31 23:10	234.2	↓-7.1
12/31 23:20	226.4	↓-7.8
12/31 23:30	217.9	↓-8.5
12/31 23:40	208.8	↓-9.1
12/31 23:50	199.1	↓-9.7