31 (木)	11:52	04:13	23:09	16:59
	347cm	-1cm	298cm	116cm
大潮 出 07:15 入 17:11 出 18:09 入 08:06

小島（愛媛）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	256.8	↓-8.5
12/31 00:10	247.3	↓-9.5
12/31 00:20	236.9	↓-10.4
12/31 00:30	225.6	↓-11.3
12/31 00:40	213.6	↓-12.0
12/31 00:50	200.8	↓-12.8
12/31 01:00	187.4	↓-13.4
12/31 01:10	173.6	↓-13.8
12/31 01:20	159.4	↓-14.2
12/31 01:30	145.0	↓-14.4	最大潮位差
12/31 01:40	130.6	↓-14.4	最大潮位差
12/31 01:50	116.3	↓-14.3
12/31 02:00	102.2	↓-14.1
12/31 02:10	88.6	↓-13.6
12/31 02:20	75.5	↓-13.1
12/31 02:30	63.1	↓-12.4
12/31 02:40	51.5	↓-11.6
12/31 02:50	41.0	↓-10.5
12/31 03:00	31.4	↓-9.6
12/31 03:10	23.0	↓-8.4
12/31 03:20	15.9	↓-7.1
12/31 03:30	9.9	↓-6.0
12/31 03:40	5.3	↓-4.6
12/31 03:50	1.9	↓-3.4
12/31 04:00	-0.2	↓-2.1
12/31 04:10	-1.0	↓-0.8	干潮
12/31 04:20	-0.7	↑0.3
12/31 04:30	0.8	↑1.5
12/31 04:40	3.3	↑2.5
12/31 04:50	6.7	↑3.4
12/31 05:00	11.0	↑4.3
12/31 05:10	16.1	↑5.1
12/31 05:20	21.9	↑5.8
12/31 05:30	28.3	↑6.4
12/31 05:40	35.2	↑6.9
12/31 05:50	42.5	↑7.3
12/31 06:00	50.2	↑7.7
12/31 06:10	58.3	↑8.1
12/31 06:20	66.6	↑8.3
12/31 06:30	75.1	↑8.5
12/31 06:40	83.8	↑8.7
12/31 06:50	92.7	↑8.9
12/31 07:00	101.8	↑9.1
12/31 07:10	111.1	↑9.3
12/31 07:20	120.5	↑9.4
12/31 07:30	130.1	↑9.6
12/31 07:40	139.9	↑9.8
12/31 07:50	149.9	↑10.0
12/31 08:00	160.0	↑10.1
12/31 08:10	170.4	↑10.4
12/31 08:20	180.8	↑10.4
12/31 08:30	191.4	↑10.6
12/31 08:40	202.1	↑10.7
12/31 08:50	212.9	↑10.8
12/31 09:00	223.7	↑10.8
12/31 09:10	234.5	↑10.8
12/31 09:20	245.2	↑10.7
12/31 09:30	255.8	↑10.6
12/31 09:40	266.1	↑10.3
12/31 09:50	276.2	↑10.1
12/31 10:00	285.9	↑9.7
12/31 10:10	295.2	↑9.3
12/31 10:20	304.0	↑8.8
12/31 10:30	312.2	↑8.2
12/31 10:40	319.6	↑7.4
12/31 10:50	326.4	↑6.8
12/31 11:00	332.3	↑5.9
12/31 11:10	337.2	↑4.9
12/31 11:20	341.2	↑4.0
12/31 11:30	344.2	↑3.0
12/31 11:40	346.1	↑1.9
12/31 11:50	346.8	↑0.7	満潮
12/31 12:00	346.4	↓-0.4
12/31 12:10	344.8	↓-1.6
12/31 12:20	342.0	↓-2.8
12/31 12:30	338.1	↓-3.9
12/31 12:40	332.9	↓-5.2
12/31 12:50	326.6	↓-6.3
12/31 13:00	319.2	↓-7.4
12/31 13:10	310.8	↓-8.4
12/31 13:20	301.5	↓-9.3
12/31 13:30	291.4	↓-10.1
12/31 13:40	280.5	↓-10.9
12/31 13:50	269.0	↓-11.5
12/31 14:00	257.1	↓-11.9
12/31 14:10	244.9	↓-12.2
12/31 14:20	232.6	↓-12.3
12/31 14:30	220.2	↓-12.4
12/31 14:40	208.0	↓-12.2
12/31 14:50	196.1	↓-11.9
12/31 15:00	184.7	↓-11.4
12/31 15:10	173.8	↓-10.9
12/31 15:20	163.7	↓-10.1
12/31 15:30	154.3	↓-9.4
12/31 15:40	145.9	↓-8.4
12/31 15:50	138.4	↓-7.5
12/31 16:00	131.9	↓-6.5
12/31 16:10	126.6	↓-5.3
12/31 16:20	122.2	↓-4.4
12/31 16:30	119.0	↓-3.2
12/31 16:40	116.7	↓-2.3
12/31 16:50	115.5	↓-1.2	干潮
12/31 17:00	115.2	↓-0.3
12/31 17:10	115.8	↑0.6
12/31 17:20	117.2	↑1.4
12/31 17:30	119.4	↑2.2
12/31 17:40	122.2	↑2.8
12/31 17:50	125.6	↑3.4
12/31 18:00	129.6	↑4.0
12/31 18:10	134.0	↑4.4
12/31 18:20	138.8	↑4.8
12/31 18:30	143.9	↑5.1
12/31 18:40	149.4	↑5.5
12/31 18:50	155.1	↑5.7
12/31 19:00	161.0	↑5.9
12/31 19:10	167.1	↑6.1
12/31 19:20	173.4	↑6.3
12/31 19:30	179.9	↑6.5
12/31 19:40	186.5	↑6.6
12/31 19:50	193.2	↑6.7
12/31 20:00	200.0	↑6.8
12/31 20:10	206.9	↑6.9
12/31 20:20	213.9	↑7.0
12/31 20:30	221.0	↑7.1
12/31 20:40	228.0	↑7.0
12/31 20:50	235.0	↑7.0
12/31 21:00	241.9	↑6.9
12/31 21:10	248.7	↑6.8
12/31 21:20	255.4	↑6.7
12/31 21:30	261.8	↑6.4
12/31 21:40	267.8	↑6.0
12/31 21:50	273.5	↑5.7
12/31 22:00	278.8	↑5.3
12/31 22:10	283.5	↑4.7
12/31 22:20	287.7	↑4.2
12/31 22:30	291.2	↑3.5
12/31 22:40	294.0	↑2.8
12/31 22:50	296.0	↑2.0
12/31 23:00	297.1	↑1.1	満潮
12/31 23:10	297.4	↑0.3
12/31 23:20	296.7	↓-0.7
12/31 23:30	295.0	↓-1.7
12/31 23:40	292.3	↓-2.7
12/31 23:50	288.5	↓-3.8