31 (金)	08:21	01:22	19:51	13:58
	317cm	33cm	296cm	120cm
中潮 出 07:15 入 17:11 出 04:10 入 14:35

波止浜（愛媛）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	62.2	↓-7.6
12/31 00:10	55.5	↓-6.7
12/31 00:20	49.5	↓-6.0
12/31 00:30	44.4	↓-5.1
12/31 00:40	40.2	↓-4.2
12/31 00:50	36.9	↓-3.3
12/31 01:00	34.5	↓-2.4
12/31 01:10	33.1	↓-1.4
12/31 01:20	32.5	↓-0.6	干潮
12/31 01:30	32.9	↑0.4
12/31 01:40	34.2	↑1.3
12/31 01:50	36.4	↑2.2
12/31 02:00	39.5	↑3.1
12/31 02:10	43.4	↑3.9
12/31 02:20	48.1	↑4.7
12/31 02:30	53.5	↑5.4
12/31 02:40	59.7	↑6.2
12/31 02:50	66.5	↑6.8
12/31 03:00	73.9	↑7.4
12/31 03:10	81.9	↑8.0
12/31 03:20	90.4	↑8.5
12/31 03:30	99.3	↑8.9
12/31 03:40	108.6	↑9.3
12/31 03:50	118.3	↑9.7
12/31 04:00	128.3	↑10.0
12/31 04:10	138.5	↑10.2
12/31 04:20	148.8	↑10.3
12/31 04:30	159.3	↑10.5
12/31 04:40	169.8	↑10.5
12/31 04:50	180.3	↑10.5
12/31 05:00	190.8	↑10.5
12/31 05:10	201.1	↑10.3
12/31 05:20	211.3	↑10.2
12/31 05:30	221.2	↑9.9
12/31 05:40	230.9	↑9.7
12/31 05:50	240.2	↑9.3
12/31 06:00	249.2	↑9.0
12/31 06:10	257.8	↑8.6
12/31 06:20	265.9	↑8.1
12/31 06:30	273.6	↑7.7
12/31 06:40	280.7	↑7.1
12/31 06:50	287.3	↑6.6
12/31 07:00	293.3	↑6.0
12/31 07:10	298.7	↑5.4
12/31 07:20	303.4	↑4.7
12/31 07:30	307.5	↑4.1
12/31 07:40	310.9	↑3.4
12/31 07:50	313.5	↑2.6
12/31 08:00	315.4	↑1.9
12/31 08:10	316.6	↑1.2
12/31 08:20	317.0	↑0.4	満潮
12/31 08:30	316.6	↓-0.4
12/31 08:40	315.4	↓-1.2
12/31 08:50	313.4	↓-2.0
12/31 09:00	310.6	↓-2.8
12/31 09:10	307.1	↓-3.5
12/31 09:20	302.8	↓-4.3
12/31 09:30	297.7	↓-5.1
12/31 09:40	291.9	↓-5.8
12/31 09:50	285.5	↓-6.4
12/31 10:00	278.4	↓-7.1
12/31 10:10	270.8	↓-7.6
12/31 10:20	262.7	↓-8.1
12/31 10:30	254.1	↓-8.6
12/31 10:40	245.2	↓-8.9
12/31 10:50	236.0	↓-9.2
12/31 11:00	226.7	↓-9.3
12/31 11:10	217.3	↓-9.4
12/31 11:20	207.9	↓-9.4
12/31 11:30	198.5	↓-9.4
12/31 11:40	189.4	↓-9.1
12/31 11:50	180.6	↓-8.8
12/31 12:00	172.1	↓-8.5
12/31 12:10	164.1	↓-8.0
12/31 12:20	156.5	↓-7.6
12/31 12:30	149.6	↓-6.9
12/31 12:40	143.3	↓-6.3
12/31 12:50	137.7	↓-5.6
12/31 13:00	132.8	↓-4.9
12/31 13:10	128.7	↓-4.1
12/31 13:20	125.4	↓-3.3
12/31 13:30	122.9	↓-2.5
12/31 13:40	121.1	↓-1.8
12/31 13:50	120.2	↓-0.9	干潮
12/31 14:00	120.0	↓-0.2
12/31 14:10	120.6	↑0.6
12/31 14:20	122.0	↑1.4
12/31 14:30	124.1	↑2.1
12/31 14:40	126.8	↑2.7
12/31 14:50	130.2	↑3.4
12/31 15:00	134.3	↑4.1
12/31 15:10	138.9	↑4.6
12/31 15:20	144.0	↑5.1
12/31 15:30	149.6	↑5.6
12/31 15:40	155.7	↑6.1
12/31 15:50	162.1	↑6.4
12/31 16:00	168.8	↑6.7
12/31 16:10	175.9	↑7.1
12/31 16:20	183.1	↑7.2
12/31 16:30	190.6	↑7.5
12/31 16:40	198.1	↑7.5
12/31 16:50	205.7	↑7.6
12/31 17:00	213.3	↑7.6
12/31 17:10	220.9	↑7.6
12/31 17:20	228.4	↑7.5
12/31 17:30	235.7	↑7.3
12/31 17:40	242.8	↑7.1
12/31 17:50	249.6	↑6.8
12/31 18:00	256.2	↑6.6
12/31 18:10	262.3	↑6.1
12/31 18:20	268.1	↑5.8
12/31 18:30	273.4	↑5.3
12/31 18:40	278.2	↑4.8
12/31 18:50	282.5	↑4.3
12/31 19:00	286.2	↑3.7
12/31 19:10	289.3	↑3.1
12/31 19:20	291.8	↑2.5
12/31 19:30	293.6	↑1.8
12/31 19:40	294.7	↑1.1
12/31 19:50	295.1	↑0.4	満潮
12/31 20:00	294.8	↓-0.3
12/31 20:10	293.7	↓-1.1
12/31 20:20	291.8	↓-1.9
12/31 20:30	289.1	↓-2.7
12/31 20:40	285.6	↓-3.5
12/31 20:50	281.3	↓-4.3
12/31 21:00	276.2	↓-5.1
12/31 21:10	270.3	↓-5.9
12/31 21:20	263.6	↓-6.7
12/31 21:30	256.2	↓-7.4
12/31 21:40	248.0	↓-8.2
12/31 21:50	239.0	↓-9.0
12/31 22:00	229.5	↓-9.5
12/31 22:10	219.3	↓-10.2
12/31 22:20	208.5	↓-10.8
12/31 22:30	197.3	↓-11.2
12/31 22:40	185.7	↓-11.6
12/31 22:50	173.7	↓-12.0
12/31 23:00	161.5	↓-12.2
12/31 23:10	149.1	↓-12.4	最大潮位差
12/31 23:20	136.7	↓-12.4	最大潮位差
12/31 23:30	124.4	↓-12.3
12/31 23:40	112.2	↓-12.2
12/31 23:50	100.3	↓-11.9