20 (水)	01:33	07:56	13:10	19:48
	366cm	98cm	319cm	11cm
中潮 出 05:30 入 18:42 出 22:53 入 07:45 潮干狩り ◎ 17:38～18:42

粟島（香川）2022年04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
4/20 00:00	320.5	↑10.2
4/20 00:10	329.7	↑9.2
4/20 00:20	337.9	↑8.2
4/20 00:30	345.0	↑7.1
4/20 00:40	351.1	↑6.1
4/20 00:50	356.1	↑5.0
4/20 01:00	360.1	↑4.0
4/20 01:10	363.0	↑2.9
4/20 01:20	364.8	↑1.8
4/20 01:30	365.5	↑0.7	満潮
4/20 01:40	365.2	↓-0.3
4/20 01:50	363.9	↓-1.3
4/20 02:00	361.5	↓-2.4
4/20 02:10	358.2	↓-3.3
4/20 02:20	353.9	↓-4.3
4/20 02:30	348.6	↓-5.3
4/20 02:40	342.5	↓-6.1
4/20 02:50	335.5	↓-7.0
4/20 03:00	327.7	↓-7.8
4/20 03:10	319.2	↓-8.5
4/20 03:20	310.0	↓-9.2
4/20 03:30	300.3	↓-9.7
4/20 03:40	290.1	↓-10.2
4/20 03:50	279.5	↓-10.6
4/20 04:00	268.6	↓-10.9
4/20 04:10	257.5	↓-11.1
4/20 04:20	246.3	↓-11.2
4/20 04:30	235.1	↓-11.2
4/20 04:40	224.0	↓-11.1
4/20 04:50	213.0	↓-11.0
4/20 05:00	202.3	↓-10.7
4/20 05:10	191.9	↓-10.4
4/20 05:20	181.9	↓-10.0
4/20 05:30	172.3	↓-9.6
4/20 05:40	163.1	↓-9.2
4/20 05:50	154.5	↓-8.6
4/20 06:00	146.3	↓-8.2
4/20 06:10	138.8	↓-7.5
4/20 06:20	131.7	↓-7.1
4/20 06:30	125.3	↓-6.4
4/20 06:40	119.5	↓-5.8
4/20 06:50	114.3	↓-5.2
4/20 07:00	109.8	↓-4.5
4/20 07:10	105.9	↓-3.9
4/20 07:20	102.7	↓-3.2
4/20 07:30	100.3	↓-2.4
4/20 07:40	98.7	↓-1.6
4/20 07:50	97.8	↓-0.9	干潮
4/20 08:00	97.9	↑0.1
4/20 08:10	98.8	↑0.9
4/20 08:20	100.7	↑1.9
4/20 08:30	103.5	↑2.8
4/20 08:40	107.3	↑3.8
4/20 08:50	112.0	↑4.7
4/20 09:00	117.8	↑5.8
4/20 09:10	124.4	↑6.6
4/20 09:20	132.0	↑7.6
4/20 09:30	140.5	↑8.5
4/20 09:40	149.7	↑9.2
4/20 09:50	159.6	↑9.9
4/20 10:00	170.1	↑10.5
4/20 10:10	181.0	↑10.9
4/20 10:20	192.3	↑11.3
4/20 10:30	203.8	↑11.5
4/20 10:40	215.3	↑11.5
4/20 10:50	226.8	↑11.5
4/20 11:00	238.0	↑11.2
4/20 11:10	248.9	↑10.9
4/20 11:20	259.3	↑10.4
4/20 11:30	269.1	↑9.8
4/20 11:40	278.2	↑9.1
4/20 11:50	286.5	↑8.3
4/20 12:00	294.0	↑7.5
4/20 12:10	300.5	↑6.5
4/20 12:20	306.0	↑5.5
4/20 12:30	310.6	↑4.6
4/20 12:40	314.1	↑3.5
4/20 12:50	316.5	↑2.4
4/20 13:00	317.9	↑1.4	満潮
4/20 13:10	318.3	↑0.4	満潮
4/20 13:20	317.7	↓-0.6
4/20 13:30	316.0	↓-1.7
4/20 13:40	313.4	↓-2.6
4/20 13:50	309.8	↓-3.6
4/20 14:00	305.2	↓-4.6
4/20 14:10	299.8	↓-5.4
4/20 14:20	293.5	↓-6.3
4/20 14:30	286.3	↓-7.2
4/20 14:40	278.4	↓-7.9
4/20 14:50	269.7	↓-8.7
4/20 15:00	260.3	↓-9.4
4/20 15:10	250.2	↓-10.1
4/20 15:20	239.6	↓-10.6
4/20 15:30	228.4	↓-11.2
4/20 15:40	216.8	↓-11.6
4/20 15:50	204.8	↓-12.0
4/20 16:00	192.5	↓-12.3
4/20 16:10	180.0	↓-12.5
4/20 16:20	167.5	↓-12.5
4/20 16:30	155.0	↓-12.5
4/20 16:40	142.5	↓-12.5
4/20 16:50	130.3	↓-12.2
4/20 17:00	118.3	↓-12.0
4/20 17:10	106.8	↓-11.5
4/20 17:20	95.6	↓-11.2
4/20 17:30	85.0	↓-10.6
4/20 17:40	75.0	↓-10.0
4/20 17:50	65.5	↓-9.5
4/20 18:00	56.8	↓-8.7
4/20 18:10	48.7	↓-8.1
4/20 18:20	41.4	↓-7.3
4/20 18:30	34.8	↓-6.6
4/20 18:40	29.0	↓-5.8
4/20 18:50	23.9	↓-5.1
4/20 19:00	19.7	↓-4.2
4/20 19:10	16.2	↓-3.5
4/20 19:20	13.5	↓-2.7
4/20 19:30	11.7	↓-1.8
4/20 19:40	10.6	↓-1.1	干潮
4/20 19:50	10.5	↓-0.1
4/20 20:00	11.2	↑0.7
4/20 20:10	12.9	↑1.7
4/20 20:20	15.5	↑2.6
4/20 20:30	19.1	↑3.6
4/20 20:40	23.7	↑4.6
4/20 20:50	29.3	↑5.6
4/20 21:00	36.0	↑6.7
4/20 21:10	43.7	↑7.7
4/20 21:20	52.4	↑8.7
4/20 21:30	62.1	↑9.7
4/20 21:40	72.8	↑10.7
4/20 21:50	84.4	↑11.6
4/20 22:00	96.8	↑12.4
4/20 22:10	109.9	↑13.1
4/20 22:20	123.7	↑13.8
4/20 22:30	138.0	↑14.3
4/20 22:40	152.7	↑14.7
4/20 22:50	167.7	↑15.0
4/20 23:00	182.7	↑15.0
4/20 23:10	197.8	↑15.1	最大潮位差
4/20 23:20	212.7	↑14.9
4/20 23:30	227.2	↑14.5
4/20 23:40	241.4	↑14.2
4/20 23:50	254.9	↑13.5