20 (土)	06:08	11:37	17:38	-
	194cm	50cm	216cm	-
大潮 出 06:21 入 17:27 出 18:07 入 06:48

姉崎（千葉）2038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	-20.9	↑1.9
2/20 00:10	-18.3	↑2.6
2/20 00:20	-15.0	↑3.3
2/20 00:30	-11.0	↑4.0
2/20 00:40	-6.3	↑4.7
2/20 00:50	-1.1	↑5.2
2/20 01:00	4.7	↑5.8
2/20 01:10	11.0	↑6.3
2/20 01:20	17.8	↑6.8
2/20 01:30	25.0	↑7.2
2/20 01:40	32.6	↑7.6
2/20 01:50	40.4	↑7.8
2/20 02:00	48.5	↑8.1
2/20 02:10	56.8	↑8.3
2/20 02:20	65.3	↑8.5
2/20 02:30	73.8	↑8.5
2/20 02:40	82.3	↑8.5
2/20 02:50	90.9	↑8.6
2/20 03:00	99.3	↑8.4
2/20 03:10	107.7	↑8.4
2/20 03:20	115.9	↑8.2
2/20 03:30	123.8	↑7.9
2/20 03:40	131.5	↑7.7
2/20 03:50	139.0	↑7.5
2/20 04:00	146.0	↑7.0
2/20 04:10	152.7	↑6.7
2/20 04:20	159.0	↑6.3
2/20 04:30	164.8	↑5.8
2/20 04:40	170.2	↑5.4
2/20 04:50	175.1	↑4.9
2/20 05:00	179.4	↑4.3
2/20 05:10	183.1	↑3.7
2/20 05:20	186.3	↑3.2
2/20 05:30	188.9	↑2.6
2/20 05:40	190.9	↑2.0
2/20 05:50	192.3	↑1.4
2/20 06:00	193.0	↑0.7	満潮
2/20 06:10	193.1	↑0.1
2/20 06:20	192.6	↓-0.5
2/20 06:30	191.5	↓-1.1
2/20 06:40	189.7	↓-1.8
2/20 06:50	187.4	↓-2.3
2/20 07:00	184.5	↓-2.9
2/20 07:10	181.0	↓-3.5
2/20 07:20	176.9	↓-4.1
2/20 07:30	172.4	↓-4.5
2/20 07:40	167.4	↓-5.0
2/20 07:50	162.0	↓-5.4
2/20 08:00	156.2	↓-5.8
2/20 08:10	150.1	↓-6.1
2/20 08:20	143.8	↓-6.3
2/20 08:30	137.2	↓-6.6
2/20 08:40	130.4	↓-6.8
2/20 08:50	123.6	↓-6.8
2/20 09:00	116.7	↓-6.9
2/20 09:10	109.9	↓-6.8
2/20 09:20	103.2	↓-6.7
2/20 09:30	96.6	↓-6.6
2/20 09:40	90.2	↓-6.4
2/20 09:50	84.2	↓-6.0
2/20 10:00	78.4	↓-5.8
2/20 10:10	73.1	↓-5.3
2/20 10:20	68.2	↓-4.9
2/20 10:30	63.8	↓-4.4
2/20 10:40	60.0	↓-3.8
2/20 10:50	56.7	↓-3.3
2/20 11:00	54.0	↓-2.7
2/20 11:10	51.9	↓-2.1
2/20 11:20	50.5	↓-1.4
2/20 11:30	49.8	↓-0.7	干潮
2/20 11:40	49.7	↓-0.1
2/20 11:50	50.3	↑0.6
2/20 12:00	51.5	↑1.2
2/20 12:10	53.4	↑1.9
2/20 12:20	55.9	↑2.5
2/20 12:30	59.0	↑3.1
2/20 12:40	62.7	↑3.7
2/20 12:50	66.9	↑4.2
2/20 13:00	71.6	↑4.7
2/20 13:10	76.8	↑5.2
2/20 13:20	82.4	↑5.6
2/20 13:30	88.4	↑6.0
2/20 13:40	94.7	↑6.3
2/20 13:50	101.3	↑6.6
2/20 14:00	108.1	↑6.8
2/20 14:10	115.1	↑7.0
2/20 14:20	122.1	↑7.0
2/20 14:30	129.3	↑7.2
2/20 14:40	136.4	↑7.1
2/20 14:50	143.5	↑7.1
2/20 15:00	150.5	↑7.0
2/20 15:10	157.4	↑6.9
2/20 15:20	164.1	↑6.7
2/20 15:30	170.5	↑6.4
2/20 15:40	176.7	↑6.2
2/20 15:50	182.5	↑5.8
2/20 16:00	188.0	↑5.5
2/20 16:10	193.1	↑5.1
2/20 16:20	197.7	↑4.6
2/20 16:30	201.9	↑4.2
2/20 16:40	205.6	↑3.7
2/20 16:50	208.7	↑3.1
2/20 17:00	211.3	↑2.6
2/20 17:10	213.3	↑2.0
2/20 17:20	214.7	↑1.4
2/20 17:30	215.4	↑0.7	満潮
2/20 17:40	215.6	↑0.2
2/20 17:50	215.1	↓-0.5
2/20 18:00	213.9	↓-1.2
2/20 18:10	212.0	↓-1.9
2/20 18:20	209.5	↓-2.5
2/20 18:30	206.4	↓-3.1
2/20 18:40	202.6	↓-3.8
2/20 18:50	198.1	↓-4.5
2/20 19:00	193.0	↓-5.1
2/20 19:10	187.3	↓-5.7
2/20 19:20	181.0	↓-6.3
2/20 19:30	174.2	↓-6.8
2/20 19:40	166.9	↓-7.3
2/20 19:50	159.1	↓-7.8
2/20 20:00	150.9	↓-8.2
2/20 20:10	142.3	↓-8.6
2/20 20:20	133.4	↓-8.9
2/20 20:30	124.2	↓-9.2
2/20 20:40	114.8	↓-9.4
2/20 20:50	105.3	↓-9.5
2/20 21:00	95.7	↓-9.6	最大潮位差
2/20 21:10	86.1	↓-9.6	最大潮位差
2/20 21:20	76.5	↓-9.6	最大潮位差
2/20 21:30	67.1	↓-9.4
2/20 21:40	57.9	↓-9.2
2/20 21:50	49.0	↓-8.9
2/20 22:00	40.4	↓-8.6
2/20 22:10	32.2	↓-8.2
2/20 22:20	24.4	↓-7.8
2/20 22:30	17.2	↓-7.2
2/20 22:40	10.6	↓-6.6
2/20 22:50	4.6	↓-6.0
2/20 23:00	-0.8	↓-5.4
2/20 23:10	-5.5	↓-4.7
2/20 23:20	-9.4	↓-3.9
2/20 23:30	-12.6	↓-3.2
2/20 23:40	-15.0	↓-2.4
2/20 23:50	-16.6	↓-1.6