20 (月)	11:56	05:26	23:43	18:12
	362cm	-7cm	315cm	79cm
大潮 出 06:46 入 17:54 出 06:58 入 17:47

粟島（香川）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	274.6	↓-6.4
2/20 00:10	267.2	↓-7.4
2/20 00:20	259.0	↓-8.2
2/20 00:30	249.9	↓-9.1
2/20 00:40	240.2	↓-9.7
2/20 00:50	229.8	↓-10.4
2/20 01:00	219.0	↓-10.8
2/20 01:10	207.7	↓-11.3
2/20 01:20	196.1	↓-11.6
2/20 01:30	184.3	↓-11.8
2/20 01:40	172.4	↓-11.9
2/20 01:50	160.5	↓-11.9
2/20 02:00	148.6	↓-11.9
2/20 02:10	136.8	↓-11.8
2/20 02:20	125.2	↓-11.6
2/20 02:30	113.8	↓-11.4
2/20 02:40	102.7	↓-11.1
2/20 02:50	91.9	↓-10.8
2/20 03:00	81.4	↓-10.5
2/20 03:10	71.2	↓-10.2
2/20 03:20	61.5	↓-9.7
2/20 03:30	52.2	↓-9.3
2/20 03:40	43.4	↓-8.8
2/20 03:50	35.1	↓-8.3
2/20 04:00	27.4	↓-7.7
2/20 04:10	20.3	↓-7.1
2/20 04:20	13.8	↓-6.5
2/20 04:30	8.1	↓-5.7
2/20 04:40	3.2	↓-4.9
2/20 04:50	-0.9	↓-4.1
2/20 05:00	-4.0	↓-3.1
2/20 05:10	-6.2	↓-2.2
2/20 05:20	-7.3	↓-1.1	干潮
2/20 05:30	-7.3	0
2/20 05:40	-6.2	↑1.1
2/20 05:50	-4.0	↑2.2
2/20 06:00	-0.6	↑3.4
2/20 06:10	4.0	↑4.6
2/20 06:20	9.7	↑5.7
2/20 06:30	16.5	↑6.8
2/20 06:40	24.4	↑7.9
2/20 06:50	33.3	↑8.9
2/20 07:00	43.1	↑9.8
2/20 07:10	53.8	↑10.7
2/20 07:20	65.3	↑11.5
2/20 07:30	77.5	↑12.2
2/20 07:40	90.4	↑12.9
2/20 07:50	103.7	↑13.3
2/20 08:00	117.5	↑13.8
2/20 08:10	131.6	↑14.1
2/20 08:20	146.0	↑14.4
2/20 08:30	160.6	↑14.6	最大潮位差
2/20 08:40	175.2	↑14.6	最大潮位差
2/20 08:50	189.8	↑14.6	最大潮位差
2/20 09:00	204.3	↑14.5
2/20 09:10	218.7	↑14.4
2/20 09:20	232.8	↑14.1
2/20 09:30	246.7	↑13.9
2/20 09:40	260.1	↑13.4
2/20 09:50	273.0	↑12.9
2/20 10:00	285.3	↑12.3
2/20 10:10	297.1	↑11.8
2/20 10:20	308.0	↑10.9
2/20 10:30	318.2	↑10.2
2/20 10:40	327.5	↑9.3
2/20 10:50	335.8	↑8.3
2/20 11:00	343.0	↑7.2
2/20 11:10	349.2	↑6.2
2/20 11:20	354.2	↑5.0
2/20 11:30	358.0	↑3.8
2/20 11:40	360.5	↑2.5
2/20 11:50	361.8	↑1.3	満潮
2/20 12:00	361.9	↑0.1
2/20 12:10	360.7	↓-1.2
2/20 12:20	358.3	↓-2.4
2/20 12:30	354.8	↓-3.5
2/20 12:40	350.1	↓-4.7
2/20 12:50	344.5	↓-5.6
2/20 13:00	337.9	↓-6.6
2/20 13:10	330.4	↓-7.5
2/20 13:20	322.2	↓-8.2
2/20 13:30	313.3	↓-8.9
2/20 13:40	303.8	↓-9.5
2/20 13:50	293.9	↓-9.9
2/20 14:00	283.6	↓-10.3
2/20 14:10	273.1	↓-10.5
2/20 14:20	262.3	↓-10.8
2/20 14:30	251.3	↓-11.0
2/20 14:40	240.3	↓-11.0
2/20 14:50	229.3	↓-11.0
2/20 15:00	218.3	↓-11.0
2/20 15:10	207.3	↓-11.0
2/20 15:20	196.5	↓-10.8
2/20 15:30	185.8	↓-10.7
2/20 15:40	175.3	↓-10.5
2/20 15:50	165.1	↓-10.2
2/20 16:00	155.1	↓-10.0
2/20 16:10	145.5	↓-9.6
2/20 16:20	136.2	↓-9.3
2/20 16:30	127.4	↓-8.8
2/20 16:40	119.1	↓-8.3
2/20 16:50	111.3	↓-7.8
2/20 17:00	104.2	↓-7.1
2/20 17:10	97.9	↓-6.3
2/20 17:20	92.3	↓-5.6
2/20 17:30	87.6	↓-4.7
2/20 17:40	83.8	↓-3.8
2/20 17:50	81.0	↓-2.8
2/20 18:00	79.3	↓-1.7
2/20 18:10	78.6	↓-0.7	干潮
2/20 18:20	79.1	↑0.5
2/20 18:30	80.6	↑1.5
2/20 18:40	83.2	↑2.6
2/20 18:50	87.0	↑3.8
2/20 19:00	91.7	↑4.7
2/20 19:10	97.4	↑5.7
2/20 19:20	104.1	↑6.7
2/20 19:30	111.6	↑7.5
2/20 19:40	119.9	↑8.3
2/20 19:50	128.8	↑8.9
2/20 20:00	138.4	↑9.6
2/20 20:10	148.4	↑10.0
2/20 20:20	158.8	↑10.4
2/20 20:30	169.4	↑10.6
2/20 20:40	180.3	↑10.9
2/20 20:50	191.2	↑10.9
2/20 21:00	202.2	↑11.0
2/20 21:10	213.1	↑10.9
2/20 21:20	223.8	↑10.7
2/20 21:30	234.2	↑10.4
2/20 21:40	244.3	↑10.1
2/20 21:50	254.1	↑9.8
2/20 22:00	263.3	↑9.2
2/20 22:10	272.0	↑8.7
2/20 22:20	280.1	↑8.1
2/20 22:30	287.5	↑7.4
2/20 22:40	294.2	↑6.7
2/20 22:50	300.0	↑5.8
2/20 23:00	304.9	↑4.9
2/20 23:10	308.8	↑3.9
2/20 23:20	311.7	↑2.9
2/20 23:30	313.6	↑1.9
2/20 23:40	314.4	↑0.8	満潮
2/20 23:50	314.0	↓-0.4