20 (月)	09:18	02:38	20:58	15:19
	318cm	-23cm	287cm	61cm
大潮 出 06:54 入 18:02 出 07:05 入 17:56 潮干狩り ○ 14:33～16:05

徳山（山口）2023年02月20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
2/20 00:00	82.6	↓-11.6
2/20 00:10	71.3	↓-11.3
2/20 00:20	60.3	↓-11.0
2/20 00:30	49.7	↓-10.6
2/20 00:40	39.6	↓-10.1
2/20 00:50	30.1	↓-9.5
2/20 01:00	21.2	↓-8.9
2/20 01:10	12.9	↓-8.3
2/20 01:20	5.4	↓-7.5
2/20 01:30	-1.3	↓-6.7
2/20 01:40	-7.1	↓-5.8
2/20 01:50	-12.1	↓-5.0
2/20 02:00	-16.2	↓-4.1
2/20 02:10	-19.4	↓-3.2
2/20 02:20	-21.6	↓-2.2
2/20 02:30	-22.8	↓-1.2	干潮
2/20 02:40	-23.0	↓-0.2
2/20 02:50	-22.3	↑0.7
2/20 03:00	-20.5	↑1.8
2/20 03:10	-17.8	↑2.7
2/20 03:20	-14.1	↑3.7
2/20 03:30	-9.4	↑4.7
2/20 03:40	-3.8	↑5.6
2/20 03:50	2.7	↑6.5
2/20 04:00	10.1	↑7.4
2/20 04:10	18.4	↑8.3
2/20 04:20	27.4	↑9.0
2/20 04:30	37.3	↑9.9
2/20 04:40	47.8	↑10.5
2/20 04:50	59.1	↑11.3
2/20 05:00	70.9	↑11.8
2/20 05:10	83.2	↑12.3
2/20 05:20	95.9	↑12.7
2/20 05:30	109.0	↑13.1
2/20 05:40	122.4	↑13.4
2/20 05:50	136.0	↑13.6
2/20 06:00	149.6	↑13.6
2/20 06:10	163.3	↑13.7	最大潮位差
2/20 06:20	176.8	↑13.5
2/20 06:30	190.2	↑13.4
2/20 06:40	203.2	↑13.0
2/20 06:50	215.9	↑12.7
2/20 07:00	228.2	↑12.3
2/20 07:10	239.9	↑11.7
2/20 07:20	251.0	↑11.1
2/20 07:30	261.4	↑10.4
2/20 07:40	271.0	↑9.6
2/20 07:50	279.8	↑8.8
2/20 08:00	287.8	↑8.0
2/20 08:10	294.9	↑7.1
2/20 08:20	301.1	↑6.2
2/20 08:30	306.3	↑5.2
2/20 08:40	310.5	↑4.2
2/20 08:50	313.7	↑3.2
2/20 09:00	315.9	↑2.2
2/20 09:10	317.1	↑1.2	満潮
2/20 09:20	317.3	↑0.2
2/20 09:30	316.5	↓-0.8
2/20 09:40	314.8	↓-1.7
2/20 09:50	312.0	↓-2.8
2/20 10:00	308.3	↓-3.7
2/20 10:10	303.7	↓-4.6
2/20 10:20	298.2	↓-5.5
2/20 10:30	291.9	↓-6.3
2/20 10:40	284.8	↓-7.1
2/20 10:50	277.0	↓-7.8
2/20 11:00	268.4	↓-8.6
2/20 11:10	259.3	↓-9.1
2/20 11:20	249.6	↓-9.7
2/20 11:30	239.5	↓-10.1
2/20 11:40	228.9	↓-10.6
2/20 11:50	218.0	↓-10.9
2/20 12:00	207.0	↓-11.0
2/20 12:10	195.7	↓-11.3
2/20 12:20	184.5	↓-11.2
2/20 12:30	173.2	↓-11.3
2/20 12:40	162.1	↓-11.1
2/20 12:50	151.2	↓-10.9
2/20 13:00	140.7	↓-10.5
2/20 13:10	130.5	↓-10.2
2/20 13:20	120.7	↓-9.8
2/20 13:30	111.5	↓-9.2
2/20 13:40	102.9	↓-8.6
2/20 13:50	95.0	↓-7.9
2/20 14:00	87.7	↓-7.3
2/20 14:10	81.3	↓-6.4
2/20 14:20	75.6	↓-5.7
2/20 14:30	70.8	↓-4.8
2/20 14:40	66.9	↓-3.9
2/20 14:50	63.8	↓-3.1
2/20 15:00	61.7	↓-2.1
2/20 15:10	60.4	↓-1.3	干潮
2/20 15:20	60.1	↓-0.3
2/20 15:30	60.7	↑0.6
2/20 15:40	62.3	↑1.6
2/20 15:50	64.7	↑2.4
2/20 16:00	68.1	↑3.4
2/20 16:10	72.3	↑4.2
2/20 16:20	77.3	↑5.0
2/20 16:30	83.2	↑5.9
2/20 16:40	89.8	↑6.6
2/20 16:50	97.1	↑7.3
2/20 17:00	105.1	↑8.0
2/20 17:10	113.7	↑8.6
2/20 17:20	122.8	↑9.1
2/20 17:30	132.3	↑9.5
2/20 17:40	142.3	↑10.0
2/20 17:50	152.5	↑10.2
2/20 18:00	162.9	↑10.4
2/20 18:10	173.5	↑10.6
2/20 18:20	184.0	↑10.5
2/20 18:30	194.5	↑10.5
2/20 18:40	204.8	↑10.3
2/20 18:50	214.9	↑10.1
2/20 19:00	224.5	↑9.6
2/20 19:10	233.7	↑9.2
2/20 19:20	242.4	↑8.7
2/20 19:30	250.5	↑8.1
2/20 19:40	257.9	↑7.4
2/20 19:50	264.5	↑6.6
2/20 20:00	270.3	↑5.8
2/20 20:10	275.3	↑5.0
2/20 20:20	279.4	↑4.1
2/20 20:30	282.5	↑3.1
2/20 20:40	284.7	↑2.2
2/20 20:50	285.9	↑1.2	満潮
2/20 21:00	286.1	↑0.2
2/20 21:10	285.3	↓-0.8
2/20 21:20	283.5	↓-1.8
2/20 21:30	280.8	↓-2.7
2/20 21:40	277.1	↓-3.7
2/20 21:50	272.5	↓-4.6
2/20 22:00	266.9	↓-5.6
2/20 22:10	260.5	↓-6.4
2/20 22:20	253.2	↓-7.3
2/20 22:30	245.2	↓-8.0
2/20 22:40	236.3	↓-8.9
2/20 22:50	226.8	↓-9.5
2/20 23:00	216.6	↓-10.2
2/20 23:10	205.8	↓-10.8
2/20 23:20	194.5	↓-11.3
2/20 23:30	182.8	↓-11.7
2/20 23:40	170.7	↓-12.1
2/20 23:50	158.2	↓-12.5