18 (月)	05:31	11:05	16:58	23:26
	186cm	57cm	193cm	-4cm
大潮 出 06:21 入 17:23 出 17:32 入 05:52

千葉灯標（千葉）2030年02月18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
2/18 00:00	10.8	↑4.0
2/18 00:10	15.3	↑4.5
2/18 00:20	20.3	↑5.0
2/18 00:30	25.8	↑5.5
2/18 00:40	31.6	↑5.8
2/18 00:50	37.8	↑6.2
2/18 01:00	44.3	↑6.5
2/18 01:10	51.0	↑6.7
2/18 01:20	58.0	↑7.0
2/18 01:30	65.1	↑7.1
2/18 01:40	72.4	↑7.3
2/18 01:50	79.7	↑7.3
2/18 02:00	87.0	↑7.3
2/18 02:10	94.4	↑7.4
2/18 02:20	101.7	↑7.3
2/18 02:30	108.9	↑7.2
2/18 02:40	115.9	↑7.0
2/18 02:50	122.9	↑7.0
2/18 03:00	129.6	↑6.7
2/18 03:10	136.1	↑6.5
2/18 03:20	142.3	↑6.2
2/18 03:30	148.2	↑5.9
2/18 03:40	153.8	↑5.6
2/18 03:50	159.1	↑5.3
2/18 04:00	163.9	↑4.8
2/18 04:10	168.3	↑4.4
2/18 04:20	172.3	↑4.0
2/18 04:30	175.8	↑3.5
2/18 04:40	178.8	↑3.0
2/18 04:50	181.3	↑2.5
2/18 05:00	183.3	↑2.0
2/18 05:10	184.7	↑1.4
2/18 05:20	185.5	↑0.8
2/18 05:30	185.8	↑0.3	満潮
2/18 05:40	185.6	↓-0.2
2/18 05:50	184.7	↓-0.9
2/18 06:00	183.4	↓-1.3
2/18 06:10	181.5	↓-1.9
2/18 06:20	179.0	↓-2.5
2/18 06:30	176.1	↓-2.9
2/18 06:40	172.7	↓-3.4
2/18 06:50	168.9	↓-3.8
2/18 07:00	164.6	↓-4.3
2/18 07:10	160.0	↓-4.6
2/18 07:20	155.0	↓-5.0
2/18 07:30	149.7	↓-5.3
2/18 07:40	144.2	↓-5.5
2/18 07:50	138.4	↓-5.8
2/18 08:00	132.5	↓-5.9
2/18 08:10	126.5	↓-6.0
2/18 08:20	120.5	↓-6.0
2/18 08:30	114.4	↓-6.1
2/18 08:40	108.4	↓-6.0
2/18 08:50	102.4	↓-6.0
2/18 09:00	96.7	↓-5.7
2/18 09:10	91.1	↓-5.6
2/18 09:20	85.8	↓-5.3
2/18 09:30	80.8	↓-5.0
2/18 09:40	76.2	↓-4.6
2/18 09:50	71.9	↓-4.3
2/18 10:00	68.1	↓-3.8
2/18 10:10	64.8	↓-3.3
2/18 10:20	62.0	↓-2.8
2/18 10:30	59.7	↓-2.3
2/18 10:40	58.0	↓-1.7
2/18 10:50	56.8	↓-1.2
2/18 11:00	56.3	↓-0.5	干潮
2/18 11:10	56.4	↑0.1
2/18 11:20	57.0	↑0.6
2/18 11:30	58.3	↑1.3
2/18 11:40	60.1	↑1.8
2/18 11:50	62.5	↑2.4
2/18 12:00	65.4	↑2.9
2/18 12:10	68.8	↑3.4
2/18 12:20	72.6	↑3.8
2/18 12:30	76.9	↑4.3
2/18 12:40	81.6	↑4.7
2/18 12:50	86.6	↑5.0
2/18 13:00	91.8	↑5.2
2/18 13:10	97.3	↑5.5
2/18 13:20	103.0	↑5.7
2/18 13:30	108.9	↑5.9
2/18 13:40	114.8	↑5.9
2/18 13:50	120.8	↑6.0
2/18 14:00	126.7	↑5.9
2/18 14:10	132.7	↑6.0
2/18 14:20	138.5	↑5.8
2/18 14:30	144.2	↑5.7
2/18 14:40	149.8	↑5.6
2/18 14:50	155.1	↑5.3
2/18 15:00	160.2	↑5.1
2/18 15:10	165.1	↑4.9
2/18 15:20	169.6	↑4.5
2/18 15:30	173.9	↑4.3
2/18 15:40	177.7	↑3.8
2/18 15:50	181.2	↑3.5
2/18 16:00	184.2	↑3.0
2/18 16:10	186.9	↑2.7
2/18 16:20	189.0	↑2.1
2/18 16:30	190.7	↑1.7
2/18 16:40	191.9	↑1.2
2/18 16:50	192.5	↑0.6	満潮
2/18 17:00	192.6	↑0.1
2/18 17:10	192.2	↓-0.4
2/18 17:20	191.2	↓-1.0
2/18 17:30	189.6	↓-1.6
2/18 17:40	187.5	↓-2.1
2/18 17:50	184.8	↓-2.7
2/18 18:00	181.6	↓-3.2
2/18 18:10	177.8	↓-3.8
2/18 18:20	173.6	↓-4.2
2/18 18:30	168.8	↓-4.8
2/18 18:40	163.5	↓-5.3
2/18 18:50	157.8	↓-5.7
2/18 19:00	151.6	↓-6.2
2/18 19:10	145.1	↓-6.5
2/18 19:20	138.2	↓-6.9
2/18 19:30	131.0	↓-7.2
2/18 19:40	123.6	↓-7.4
2/18 19:50	115.9	↓-7.7
2/18 20:00	108.1	↓-7.8
2/18 20:10	100.1	↓-8.0
2/18 20:20	92.1	↓-8.0
2/18 20:30	84.0	↓-8.1	最大潮位差
2/18 20:40	76.1	↓-7.9
2/18 20:50	68.2	↓-7.9
2/18 21:00	60.4	↓-7.8
2/18 21:10	52.9	↓-7.5
2/18 21:20	45.6	↓-7.3
2/18 21:30	38.6	↓-7.0
2/18 21:40	32.0	↓-6.6
2/18 21:50	25.8	↓-6.2
2/18 22:00	20.1	↓-5.7
2/18 22:10	14.8	↓-5.3
2/18 22:20	10.2	↓-4.6
2/18 22:30	6.1	↓-4.1
2/18 22:40	2.6	↓-3.5
2/18 22:50	-0.2	↓-2.8
2/18 23:00	-2.3	↓-2.1
2/18 23:10	-3.7	↓-1.4
2/18 23:20	-4.4	↓-0.7	干潮
2/18 23:30	-4.5	↓-0.1
2/18 23:40	-3.8	↑0.7
2/18 23:50	-2.4	↑1.4