20 (木)	11:29	05:36	-	17:50
	339cm	55cm	-	16cm
大潮 出 05:30 入 18:42 出 05:28 入 18:50 潮干狩り ○ 05:30～06:40

粟島（香川）2023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	342.2	↓-4.6
4/20 00:10	336.5	↓-5.7
4/20 00:20	329.7	↓-6.8
4/20 00:30	322.0	↓-7.7
4/20 00:40	313.5	↓-8.5
4/20 00:50	304.1	↓-9.4
4/20 01:00	294.2	↓-9.9
4/20 01:10	283.6	↓-10.6
4/20 01:20	272.7	↓-10.9
4/20 01:30	261.4	↓-11.3
4/20 01:40	249.8	↓-11.6
4/20 01:50	238.1	↓-11.7
4/20 02:00	226.3	↓-11.8
4/20 02:10	214.6	↓-11.7
4/20 02:20	202.8	↓-11.8
4/20 02:30	191.2	↓-11.6
4/20 02:40	179.7	↓-11.5
4/20 02:50	168.5	↓-11.2
4/20 03:00	157.4	↓-11.1
4/20 03:10	146.7	↓-10.7
4/20 03:20	136.3	↓-10.4
4/20 03:30	126.3	↓-10.0
4/20 03:40	116.6	↓-9.7
4/20 03:50	107.5	↓-9.1
4/20 04:00	98.9	↓-8.6
4/20 04:10	90.8	↓-8.1
4/20 04:20	83.4	↓-7.4
4/20 04:30	76.7	↓-6.7
4/20 04:40	70.8	↓-5.9
4/20 04:50	65.7	↓-5.1
4/20 05:00	61.5	↓-4.2
4/20 05:10	58.2	↓-3.3
4/20 05:20	56.0	↓-2.2
4/20 05:30	54.9	↓-1.1	干潮
4/20 05:40	54.9	0
4/20 05:50	55.9	↑1.0
4/20 06:00	58.1	↑2.2
4/20 06:10	61.4	↑3.3
4/20 06:20	65.9	↑4.5
4/20 06:30	71.3	↑5.4
4/20 06:40	77.8	↑6.5
4/20 06:50	85.3	↑7.5
4/20 07:00	93.6	↑8.3
4/20 07:10	102.8	↑9.2
4/20 07:20	112.6	↑9.8
4/20 07:30	123.1	↑10.5
4/20 07:40	134.2	↑11.1
4/20 07:50	145.7	↑11.5
4/20 08:00	157.5	↑11.8
4/20 08:10	169.6	↑12.1
4/20 08:20	181.9	↑12.3
4/20 08:30	194.2	↑12.3
4/20 08:40	206.6	↑12.4
4/20 08:50	218.8	↑12.2
4/20 09:00	230.9	↑12.1
4/20 09:10	242.7	↑11.8
4/20 09:20	254.3	↑11.6
4/20 09:30	265.4	↑11.1
4/20 09:40	276.0	↑10.6
4/20 09:50	286.1	↑10.1
4/20 10:00	295.5	↑9.4
4/20 10:10	304.1	↑8.6
4/20 10:20	312.0	↑7.9
4/20 10:30	319.0	↑7.0
4/20 10:40	325.0	↑6.0
4/20 10:50	330.0	↑5.0
4/20 11:00	333.9	↑3.9
4/20 11:10	336.7	↑2.8
4/20 11:20	338.2	↑1.5	満潮
4/20 11:30	338.5	↑0.3
4/20 11:40	337.6	↓-0.9
4/20 11:50	335.4	↓-2.2
4/20 12:00	332.0	↓-3.4
4/20 12:10	327.4	↓-4.6
4/20 12:20	321.6	↓-5.8
4/20 12:30	314.6	↓-7.0
4/20 12:40	306.7	↓-7.9
4/20 12:50	297.8	↓-8.9
4/20 13:00	288.1	↓-9.7
4/20 13:10	277.6	↓-10.5
4/20 13:20	266.4	↓-11.2
4/20 13:30	254.8	↓-11.6
4/20 13:40	242.7	↓-12.1
4/20 13:50	230.2	↓-12.5
4/20 14:00	217.6	↓-12.6
4/20 14:10	204.8	↓-12.8
4/20 14:20	192.0	↓-12.8
4/20 14:30	179.2	↓-12.8
4/20 14:40	166.5	↓-12.7
4/20 14:50	153.9	↓-12.6
4/20 15:00	141.6	↓-12.3
4/20 15:10	129.6	↓-12.0
4/20 15:20	117.9	↓-11.7
4/20 15:30	106.5	↓-11.4
4/20 15:40	95.5	↓-11.0
4/20 15:50	85.0	↓-10.5
4/20 16:00	75.0	↓-10.0
4/20 16:10	65.5	↓-9.5
4/20 16:20	56.7	↓-8.8
4/20 16:30	48.5	↓-8.2
4/20 16:40	41.0	↓-7.5
4/20 16:50	34.4	↓-6.6
4/20 17:00	28.6	↓-5.8
4/20 17:10	23.8	↓-4.8
4/20 17:20	20.0	↓-3.8
4/20 17:30	17.2	↓-2.8
4/20 17:40	15.6	↓-1.6	干潮
4/20 17:50	15.2	↓-0.4	干潮
4/20 18:00	16.0	↑0.8
4/20 18:10	18.0	↑2.0
4/20 18:20	21.3	↑3.3
4/20 18:30	25.8	↑4.5
4/20 18:40	31.6	↑5.8
4/20 18:50	38.5	↑6.9
4/20 19:00	46.6	↑8.1
4/20 19:10	55.8	↑9.2
4/20 19:20	66.0	↑10.2
4/20 19:30	77.0	↑11.0
4/20 19:40	88.9	↑11.9
4/20 19:50	101.5	↑12.6
4/20 20:00	114.7	↑13.2
4/20 20:10	128.4	↑13.7
4/20 20:20	142.5	↑14.1
4/20 20:30	156.8	↑14.3
4/20 20:40	171.3	↑14.5
4/20 20:50	185.9	↑14.6	最大潮位差
4/20 21:00	200.5	↑14.6	最大潮位差
4/20 21:10	215.0	↑14.5
4/20 21:20	229.2	↑14.2
4/20 21:30	243.1	↑13.9
4/20 21:40	256.7	↑13.6
4/20 21:50	269.7	↑13.0
4/20 22:00	282.3	↑12.6
4/20 22:10	294.2	↑11.9
4/20 22:20	305.4	↑11.2
4/20 22:30	315.8	↑10.4
4/20 22:40	325.3	↑9.5
4/20 22:50	333.9	↑8.6
4/20 23:00	341.5	↑7.6
4/20 23:10	348.1	↑6.6
4/20 23:20	353.5	↑5.4
4/20 23:30	357.7	↑4.2
4/20 23:40	360.8	↑3.1
4/20 23:50	362.5	↑1.7