20 (水)	06:26	00:10	18:36	12:18
	197cm	1cm	211cm	17cm
中潮 出 06:21 入 17:27 出 19:47 入 06:59 潮干狩り ◎ 10:45～13:52

姉崎（千葉）2030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	0.4	↓-1.1	干潮
2/20 00:10	0.1	↓-0.3	干潮
2/20 00:20	0.6	↑0.5
2/20 00:30	1.8	↑1.2
2/20 00:40	3.8	↑2.0
2/20 00:50	6.5	↑2.7
2/20 01:00	9.9	↑3.4
2/20 01:10	13.9	↑4.0
2/20 01:20	18.6	↑4.7
2/20 01:30	23.8	↑5.2
2/20 01:40	29.6	↑5.8
2/20 01:50	35.8	↑6.2
2/20 02:00	42.5	↑6.7
2/20 02:10	49.5	↑7.0
2/20 02:20	56.9	↑7.4
2/20 02:30	64.5	↑7.6
2/20 02:40	72.3	↑7.8
2/20 02:50	80.3	↑8.0
2/20 03:00	88.4	↑8.1
2/20 03:10	96.5	↑8.1
2/20 03:20	104.6	↑8.1
2/20 03:30	112.7	↑8.1
2/20 03:40	120.6	↑7.9
2/20 03:50	128.4	↑7.8
2/20 04:00	135.9	↑7.5
2/20 04:10	143.2	↑7.3
2/20 04:20	150.2	↑7.0
2/20 04:30	156.8	↑6.6
2/20 04:40	163.0	↑6.2
2/20 04:50	168.8	↑5.8
2/20 05:00	174.2	↑5.4
2/20 05:10	179.0	↑4.8
2/20 05:20	183.3	↑4.3
2/20 05:30	187.1	↑3.8
2/20 05:40	190.3	↑3.2
2/20 05:50	192.8	↑2.5
2/20 06:00	194.8	↑2.0
2/20 06:10	196.1	↑1.3
2/20 06:20	196.8	↑0.7	満潮
2/20 06:30	196.8	0
2/20 06:40	196.1	↓-0.7
2/20 06:50	194.8	↓-1.3
2/20 07:00	192.8	↓-2.0
2/20 07:10	190.2	↓-2.6
2/20 07:20	186.9	↓-3.3
2/20 07:30	183.0	↓-3.9
2/20 07:40	178.6	↓-4.4
2/20 07:50	173.5	↓-5.1
2/20 08:00	168.0	↓-5.5
2/20 08:10	161.9	↓-6.1
2/20 08:20	155.4	↓-6.5
2/20 08:30	148.5	↓-6.9
2/20 08:40	141.2	↓-7.3
2/20 08:50	133.7	↓-7.5
2/20 09:00	125.9	↓-7.8
2/20 09:10	117.9	↓-8.0
2/20 09:20	109.8	↓-8.1
2/20 09:30	101.7	↓-8.1
2/20 09:40	93.6	↓-8.1
2/20 09:50	85.6	↓-8.0
2/20 10:00	77.8	↓-7.8
2/20 10:10	70.1	↓-7.7
2/20 10:20	62.8	↓-7.3
2/20 10:30	55.8	↓-7.0
2/20 10:40	49.3	↓-6.5
2/20 10:50	43.2	↓-6.1
2/20 11:00	37.6	↓-5.6
2/20 11:10	32.6	↓-5.0
2/20 11:20	28.2	↓-4.4
2/20 11:30	24.5	↓-3.7
2/20 11:40	21.4	↓-3.1
2/20 11:50	19.1	↓-2.3
2/20 12:00	17.4	↓-1.7
2/20 12:10	16.5	↓-0.9	干潮
2/20 12:20	16.3	↓-0.2
2/20 12:30	16.9	↑0.6
2/20 12:40	18.2	↑1.3
2/20 12:50	20.2	↑2.0
2/20 13:00	22.8	↑2.6
2/20 13:10	26.2	↑3.4
2/20 13:20	30.2	↑4.0
2/20 13:30	34.7	↑4.5
2/20 13:40	39.9	↑5.2
2/20 13:50	45.5	↑5.6
2/20 14:00	51.6	↑6.1
2/20 14:10	58.2	↑6.6
2/20 14:20	65.1	↑6.9
2/20 14:30	72.3	↑7.2
2/20 14:40	79.8	↑7.5
2/20 14:50	87.5	↑7.7
2/20 15:00	95.3	↑7.8
2/20 15:10	103.3	↑8.0
2/20 15:20	111.3	↑8.0
2/20 15:30	119.2	↑7.9
2/20 15:40	127.2	↑8.0
2/20 15:50	135.0	↑7.8
2/20 16:00	142.7	↑7.7
2/20 16:10	150.1	↑7.4
2/20 16:20	157.3	↑7.2
2/20 16:30	164.2	↑6.9
2/20 16:40	170.8	↑6.6
2/20 16:50	176.9	↑6.1
2/20 17:00	182.7	↑5.8
2/20 17:10	188.0	↑5.3
2/20 17:20	192.8	↑4.8
2/20 17:30	197.1	↑4.3
2/20 17:40	200.9	↑3.8
2/20 17:50	204.0	↑3.1
2/20 18:00	206.6	↑2.6
2/20 18:10	208.6	↑2.0
2/20 18:20	209.9	↑1.3
2/20 18:30	210.5	↑0.6	満潮
2/20 18:40	210.6	↑0.1
2/20 18:50	209.9	↓-0.7
2/20 19:00	208.6	↓-1.3
2/20 19:10	206.6	↓-2.0
2/20 19:20	203.9	↓-2.7
2/20 19:30	200.6	↓-3.3
2/20 19:40	196.7	↓-3.9
2/20 19:50	192.1	↓-4.6
2/20 20:00	187.0	↓-5.1
2/20 20:10	181.3	↓-5.7
2/20 20:20	175.2	↓-6.1
2/20 20:30	168.5	↓-6.7
2/20 20:40	161.4	↓-7.1
2/20 20:50	153.9	↓-7.5
2/20 21:00	146.1	↓-7.8
2/20 21:10	138.0	↓-8.1
2/20 21:20	129.7	↓-8.3
2/20 21:30	121.3	↓-8.4
2/20 21:40	112.8	↓-8.5	最大潮位差
2/20 21:50	104.3	↓-8.5	最大潮位差
2/20 22:00	95.8	↓-8.5	最大潮位差
2/20 22:10	87.5	↓-8.3
2/20 22:20	79.3	↓-8.2
2/20 22:30	71.4	↓-7.9
2/20 22:40	63.8	↓-7.6
2/20 22:50	56.6	↓-7.2
2/20 23:00	49.9	↓-6.7
2/20 23:10	43.6	↓-6.3
2/20 23:20	37.9	↓-5.7
2/20 23:30	32.7	↓-5.2
2/20 23:40	28.2	↓-4.5
2/20 23:50	24.3	↓-3.9