20 (土)	05:23	10:45	16:40	23:13
	184cm	65cm	207cm	-13cm
大潮 出 06:21 入 17:27 出 16:40 入 05:41

姉崎（千葉）2027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	6.3	↑4.8
2/20 00:10	11.6	↑5.3
2/20 00:20	17.4	↑5.8
2/20 00:30	23.5	↑6.1
2/20 00:40	30.0	↑6.5
2/20 00:50	36.9	↑6.9
2/20 01:00	43.9	↑7.0
2/20 01:10	51.2	↑7.3
2/20 01:20	58.7	↑7.5
2/20 01:30	66.3	↑7.6
2/20 01:40	74.0	↑7.7
2/20 01:50	81.7	↑7.7
2/20 02:00	89.3	↑7.6
2/20 02:10	96.9	↑7.6
2/20 02:20	104.4	↑7.5
2/20 02:30	111.8	↑7.4
2/20 02:40	119.0	↑7.2
2/20 02:50	125.9	↑6.9
2/20 03:00	132.6	↑6.7
2/20 03:10	139.0	↑6.4
2/20 03:20	145.1	↑6.1
2/20 03:30	150.8	↑5.7
2/20 03:40	156.1	↑5.3
2/20 03:50	161.1	↑5.0
2/20 04:00	165.5	↑4.4
2/20 04:10	169.6	↑4.1
2/20 04:20	173.1	↑3.5
2/20 04:30	176.1	↑3.0
2/20 04:40	178.7	↑2.6
2/20 04:50	180.7	↑2.0
2/20 05:00	182.2	↑1.5
2/20 05:10	183.1	↑0.9
2/20 05:20	183.4	↑0.3	満潮
2/20 05:30	183.3	↓-0.1
2/20 05:40	182.5	↓-0.8
2/20 05:50	181.3	↓-1.2
2/20 06:00	179.5	↓-1.8
2/20 06:10	177.2	↓-2.3
2/20 06:20	174.4	↓-2.8
2/20 06:30	171.1	↓-3.3
2/20 06:40	167.4	↓-3.7
2/20 06:50	163.3	↓-4.1
2/20 07:00	158.8	↓-4.5
2/20 07:10	153.9	↓-4.9
2/20 07:20	148.8	↓-5.1
2/20 07:30	143.4	↓-5.4
2/20 07:40	137.9	↓-5.5
2/20 07:50	132.2	↓-5.7
2/20 08:00	126.4	↓-5.8
2/20 08:10	120.5	↓-5.9
2/20 08:20	114.7	↓-5.8
2/20 08:30	109.0	↓-5.7
2/20 08:40	103.4	↓-5.6
2/20 08:50	97.9	↓-5.5
2/20 09:00	92.8	↓-5.1
2/20 09:10	87.9	↓-4.9
2/20 09:20	83.4	↓-4.5
2/20 09:30	79.2	↓-4.2
2/20 09:40	75.5	↓-3.7
2/20 09:50	72.3	↓-3.2
2/20 10:00	69.6	↓-2.7
2/20 10:10	67.4	↓-2.2
2/20 10:20	65.7	↓-1.7
2/20 10:30	64.6	↓-1.1
2/20 10:40	64.1	↓-0.5	干潮
2/20 10:50	64.2	↑0.1
2/20 11:00	64.8	↑0.6
2/20 11:10	66.0	↑1.2
2/20 11:20	67.8	↑1.8
2/20 11:30	70.2	↑2.4
2/20 11:40	73.0	↑2.8
2/20 11:50	76.4	↑3.4
2/20 12:00	80.2	↑3.8
2/20 12:10	84.5	↑4.3
2/20 12:20	89.1	↑4.6
2/20 12:30	94.1	↑5.0
2/20 12:40	99.5	↑5.4
2/20 12:50	105.0	↑5.5
2/20 13:00	110.8	↑5.8
2/20 13:10	116.8	↑6.0
2/20 13:20	122.9	↑6.1
2/20 13:30	129.1	↑6.2
2/20 13:40	135.3	↑6.2
2/20 13:50	141.5	↑6.2
2/20 14:00	147.7	↑6.2
2/20 14:10	153.7	↑6.0
2/20 14:20	159.6	↑5.9
2/20 14:30	165.3	↑5.7
2/20 14:40	170.8	↑5.5
2/20 14:50	176.0	↑5.2
2/20 15:00	180.8	↑4.8
2/20 15:10	185.4	↑4.6
2/20 15:20	189.6	↑4.2
2/20 15:30	193.3	↑3.7
2/20 15:40	196.7	↑3.4
2/20 15:50	199.5	↑2.8
2/20 16:00	201.9	↑2.4
2/20 16:10	203.8	↑1.9
2/20 16:20	205.2	↑1.4
2/20 16:30	205.9	↑0.7	満潮
2/20 16:40	206.2	↑0.3	満潮
2/20 16:50	205.8	↓-0.4
2/20 17:00	204.9	↓-0.9
2/20 17:10	203.4	↓-1.5
2/20 17:20	201.3	↓-2.1
2/20 17:30	198.5	↓-2.8
2/20 17:40	195.2	↓-3.3
2/20 17:50	191.3	↓-3.9
2/20 18:00	186.9	↓-4.4
2/20 18:10	181.8	↓-5.1
2/20 18:20	176.3	↓-5.5
2/20 18:30	170.2	↓-6.1
2/20 18:40	163.6	↓-6.6
2/20 18:50	156.6	↓-7.0
2/20 19:00	149.1	↓-7.5
2/20 19:10	141.3	↓-7.8
2/20 19:20	133.2	↓-8.1
2/20 19:30	124.8	↓-8.4
2/20 19:40	116.1	↓-8.7
2/20 19:50	107.3	↓-8.8
2/20 20:00	98.4	↓-8.9
2/20 20:10	89.4	↓-9.0	最大潮位差
2/20 20:20	80.5	↓-8.9
2/20 20:30	71.6	↓-8.9
2/20 20:40	62.9	↓-8.7
2/20 20:50	54.4	↓-8.5
2/20 21:00	46.1	↓-8.3
2/20 21:10	38.2	↓-7.9
2/20 21:20	30.6	↓-7.6
2/20 21:30	23.6	↓-7.0
2/20 21:40	17.0	↓-6.6
2/20 21:50	10.9	↓-6.1
2/20 22:00	5.5	↓-5.4
2/20 22:10	0.7	↓-4.8
2/20 22:20	-3.5	↓-4.2
2/20 22:30	-7.0	↓-3.5
2/20 22:40	-9.7	↓-2.7
2/20 22:50	-11.7	↓-2.0
2/20 23:00	-13.0	↓-1.3
2/20 23:10	-13.5	↓-0.5	干潮
2/20 23:20	-13.3	↑0.2
2/20 23:30	-12.4	↑0.9
2/20 23:40	-10.7	↑1.7
2/20 23:50	-8.4	↑2.3