20 (土)	05:39	12:19	19:06	-
	210cm	-26cm	191cm	-
中潮 出 05:02 入 18:17 出 21:00 入 06:10 潮干狩り ◎ 09:53～14:50

姉崎（千葉）2030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	64.2	↑0.3
4/20 00:10	65.1	↑0.9
4/20 00:20	66.7	↑1.6
4/20 00:30	68.8	↑2.1
4/20 00:40	71.5	↑2.7
4/20 00:50	74.8	↑3.3
4/20 01:00	78.6	↑3.8
4/20 01:10	82.9	↑4.3
4/20 01:20	87.7	↑4.8
4/20 01:30	92.8	↑5.1
4/20 01:40	98.3	↑5.5
4/20 01:50	104.1	↑5.8
4/20 02:00	110.1	↑6.0
4/20 02:10	116.3	↑6.2
4/20 02:20	122.7	↑6.4
4/20 02:30	129.2	↑6.5
4/20 02:40	135.7	↑6.5
4/20 02:50	142.3	↑6.6
4/20 03:00	148.7	↑6.4
4/20 03:10	155.1	↑6.4
4/20 03:20	161.3	↑6.2
4/20 03:30	167.3	↑6.0
4/20 03:40	173.0	↑5.7
4/20 03:50	178.5	↑5.5
4/20 04:00	183.6	↑5.1
4/20 04:10	188.4	↑4.8
4/20 04:20	192.8	↑4.4
4/20 04:30	196.7	↑3.9
4/20 04:40	200.2	↑3.5
4/20 04:50	203.2	↑3.0
4/20 05:00	205.6	↑2.4
4/20 05:10	207.5	↑1.9
4/20 05:20	208.9	↑1.4
4/20 05:30	209.7	↑0.8	満潮
4/20 05:40	209.8	↑0.1
4/20 05:50	209.4	↓-0.4
4/20 06:00	208.4	↓-1.0
4/20 06:10	206.7	↓-1.7
4/20 06:20	204.4	↓-2.3
4/20 06:30	201.5	↓-2.9
4/20 06:40	198.0	↓-3.5
4/20 06:50	193.9	↓-4.1
4/20 07:00	189.1	↓-4.8
4/20 07:10	183.8	↓-5.3
4/20 07:20	177.9	↓-5.9
4/20 07:30	171.5	↓-6.4
4/20 07:40	164.6	↓-6.9
4/20 07:50	157.2	↓-7.4
4/20 08:00	149.3	↓-7.9
4/20 08:10	141.1	↓-8.2
4/20 08:20	132.5	↓-8.6
4/20 08:30	123.7	↓-8.8
4/20 08:40	114.5	↓-9.2
4/20 08:50	105.2	↓-9.3
4/20 09:00	95.8	↓-9.4
4/20 09:10	86.3	↓-9.5	最大潮位差
4/20 09:20	76.8	↓-9.5	最大潮位差
4/20 09:30	67.4	↓-9.4
4/20 09:40	58.1	↓-9.3
4/20 09:50	49.0	↓-9.1
4/20 10:00	40.1	↓-8.9
4/20 10:10	31.6	↓-8.5
4/20 10:20	23.5	↓-8.1
4/20 10:30	15.8	↓-7.7
4/20 10:40	8.6	↓-7.2
4/20 10:50	1.9	↓-6.7
4/20 11:00	-4.1	↓-6.0
4/20 11:10	-9.5	↓-5.4
4/20 11:20	-14.2	↓-4.7
4/20 11:30	-18.2	↓-4.0
4/20 11:40	-21.5	↓-3.3
4/20 11:50	-24.0	↓-2.5
4/20 12:00	-25.8	↓-1.8
4/20 12:10	-26.8	↓-1.0	干潮
4/20 12:20	-27.0	↓-0.2
4/20 12:30	-26.4	↑0.6
4/20 12:40	-25.1	↑1.3
4/20 12:50	-23.0	↑2.1
4/20 13:00	-20.3	↑2.7
4/20 13:10	-16.8	↑3.5
4/20 13:20	-12.7	↑4.1
4/20 13:30	-8.0	↑4.7
4/20 13:40	-2.7	↑5.3
4/20 13:50	3.1	↑5.8
4/20 14:00	9.4	↑6.3
4/20 14:10	16.1	↑6.7
4/20 14:20	23.2	↑7.1
4/20 14:30	30.7	↑7.5
4/20 14:40	38.4	↑7.7
4/20 14:50	46.4	↑8.0
4/20 15:00	54.5	↑8.1
4/20 15:10	62.7	↑8.2
4/20 15:20	71.1	↑8.4
4/20 15:30	79.4	↑8.3
4/20 15:40	87.8	↑8.4
4/20 15:50	96.0	↑8.2
4/20 16:00	104.2	↑8.2
4/20 16:10	112.2	↑8.0
4/20 16:20	120.0	↑7.8
4/20 16:30	127.5	↑7.5
4/20 16:40	134.8	↑7.3
4/20 16:50	141.7	↑6.9
4/20 17:00	148.3	↑6.6
4/20 17:10	154.5	↑6.2
4/20 17:20	160.3	↑5.8
4/20 17:30	165.7	↑5.4
4/20 17:40	170.6	↑4.9
4/20 17:50	175.0	↑4.4
4/20 18:00	178.9	↑3.9
4/20 18:10	182.3	↑3.4
4/20 18:20	185.1	↑2.8
4/20 18:30	187.3	↑2.2
4/20 18:40	189.0	↑1.7
4/20 18:50	190.2	↑1.2
4/20 19:00	190.7	↑0.5	満潮
4/20 19:10	190.7	0
4/20 19:20	190.1	↓-0.6
4/20 19:30	188.9	↓-1.2
4/20 19:40	187.2	↓-1.7
4/20 19:50	185.0	↓-2.2
4/20 20:00	182.2	↓-2.8
4/20 20:10	179.0	↓-3.2
4/20 20:20	175.3	↓-3.7
4/20 20:30	171.2	↓-4.1
4/20 20:40	166.8	↓-4.4
4/20 20:50	162.0	↓-4.8
4/20 21:00	156.9	↓-5.1
4/20 21:10	151.5	↓-5.4
4/20 21:20	146.0	↓-5.5
4/20 21:30	140.4	↓-5.6
4/20 21:40	134.6	↓-5.8
4/20 21:50	128.9	↓-5.7
4/20 22:00	123.2	↓-5.7
4/20 22:10	117.5	↓-5.7
4/20 22:20	112.1	↓-5.4
4/20 22:30	106.8	↓-5.3
4/20 22:40	101.8	↓-5.0
4/20 22:50	97.1	↓-4.7
4/20 23:00	92.8	↓-4.3
4/20 23:10	88.8	↓-4.0
4/20 23:20	85.3	↓-3.5
4/20 23:30	82.3	↓-3.0
4/20 23:40	79.8	↓-2.5
4/20 23:50	77.8	↓-2.0