20 (水)	07:31	01:09	19:40	13:22
	186cm	18cm	187cm	36cm
中潮 出 06:20 入 17:27 出 21:16 入 08:26 潮干狩り ○ 12:20～14:24

姉崎（千葉）2041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	31.6	↓-4.5
2/20 00:10	27.6	↓-4.0
2/20 00:20	24.3	↓-3.3
2/20 00:30	21.6	↓-2.7
2/20 00:40	19.5	↓-2.1
2/20 00:50	18.0	↓-1.5
2/20 01:00	17.2	↓-0.8	干潮
2/20 01:10	17.0	↓-0.2
2/20 01:20	17.5	↑0.5
2/20 01:30	18.6	↑1.1
2/20 01:40	20.3	↑1.7
2/20 01:50	22.7	↑2.4
2/20 02:00	25.5	↑2.8
2/20 02:10	29.0	↑3.5
2/20 02:20	32.9	↑3.9
2/20 02:30	37.3	↑4.4
2/20 02:40	42.1	↑4.8
2/20 02:50	47.4	↑5.3
2/20 03:00	52.9	↑5.5
2/20 03:10	58.8	↑5.9
2/20 03:20	65.0	↑6.2
2/20 03:30	71.4	↑6.4
2/20 03:40	77.9	↑6.5
2/20 03:50	84.6	↑6.7
2/20 04:00	91.3	↑6.7
2/20 04:10	98.1	↑6.8	最大潮位差
2/20 04:20	104.9	↑6.8	最大潮位差
2/20 04:30	111.7	↑6.8	最大潮位差
2/20 04:40	118.3	↑6.6
2/20 04:50	124.9	↑6.6
2/20 05:00	131.2	↑6.3
2/20 05:10	137.4	↑6.2
2/20 05:20	143.3	↑5.9
2/20 05:30	149.0	↑5.7
2/20 05:40	154.3	↑5.3
2/20 05:50	159.4	↑5.1
2/20 06:00	164.0	↑4.6
2/20 06:10	168.2	↑4.2
2/20 06:20	172.1	↑3.9
2/20 06:30	175.4	↑3.3
2/20 06:40	178.3	↑2.9
2/20 06:50	180.7	↑2.4
2/20 07:00	182.6	↑1.9
2/20 07:10	184.0	↑1.4
2/20 07:20	184.8	↑0.8
2/20 07:30	185.0	↑0.2	満潮
2/20 07:40	184.8	↓-0.2
2/20 07:50	183.9	↓-0.9
2/20 08:00	182.5	↓-1.4
2/20 08:10	180.5	↓-2.0
2/20 08:20	178.0	↓-2.5
2/20 08:30	175.0	↓-3.0
2/20 08:40	171.4	↓-3.6
2/20 08:50	167.4	↓-4.0
2/20 09:00	162.9	↓-4.5
2/20 09:10	158.0	↓-4.9
2/20 09:20	152.7	↓-5.3
2/20 09:30	147.0	↓-5.7
2/20 09:40	141.0	↓-6.0
2/20 09:50	134.7	↓-6.3
2/20 10:00	128.3	↓-6.4
2/20 10:10	121.7	↓-6.6
2/20 10:20	114.9	↓-6.8	最大潮位差
2/20 10:30	108.2	↓-6.7
2/20 10:40	101.4	↓-6.8	最大潮位差
2/20 10:50	94.7	↓-6.7
2/20 11:00	88.1	↓-6.6
2/20 11:10	81.7	↓-6.4
2/20 11:20	75.5	↓-6.2
2/20 11:30	69.7	↓-5.8
2/20 11:40	64.1	↓-5.6
2/20 11:50	58.9	↓-5.2
2/20 12:00	54.2	↓-4.7
2/20 12:10	49.9	↓-4.3
2/20 12:20	46.2	↓-3.7
2/20 12:30	42.9	↓-3.3
2/20 12:40	40.2	↓-2.7
2/20 12:50	38.1	↓-2.1
2/20 13:00	36.6	↓-1.5
2/20 13:10	35.6	↓-1.0
2/20 13:20	35.3	↓-0.3	干潮
2/20 13:30	35.5	↑0.2
2/20 13:40	36.3	↑0.8
2/20 13:50	37.7	↑1.4
2/20 14:00	39.6	↑1.9
2/20 14:10	42.1	↑2.5
2/20 14:20	45.0	↑2.9
2/20 14:30	48.4	↑3.4
2/20 14:40	52.3	↑3.9
2/20 14:50	56.6	↑4.3
2/20 15:00	61.2	↑4.6
2/20 15:10	66.2	↑5.0
2/20 15:20	71.5	↑5.3
2/20 15:30	77.0	↑5.5
2/20 15:40	82.8	↑5.8
2/20 15:50	88.7	↑5.9
2/20 16:00	94.7	↑6.0
2/20 16:10	100.8	↑6.1
2/20 16:20	107.0	↑6.2
2/20 16:30	113.1	↑6.1
2/20 16:40	119.3	↑6.2
2/20 16:50	125.3	↑6.0
2/20 17:00	131.3	↑6.0
2/20 17:10	137.1	↑5.8
2/20 17:20	142.7	↑5.6
2/20 17:30	148.2	↑5.5
2/20 17:40	153.3	↑5.1
2/20 17:50	158.2	↑4.9
2/20 18:00	162.8	↑4.6
2/20 18:10	167.1	↑4.3
2/20 18:20	171.0	↑3.9
2/20 18:30	174.5	↑3.5
2/20 18:40	177.5	↑3.0
2/20 18:50	180.2	↑2.7
2/20 19:00	182.4	↑2.2
2/20 19:10	184.1	↑1.7
2/20 19:20	185.3	↑1.2
2/20 19:30	186.0	↑0.7	満潮
2/20 19:40	186.2	↑0.2	満潮
2/20 19:50	185.9	↓-0.3
2/20 20:00	185.0	↓-0.9
2/20 20:10	183.6	↓-1.4
2/20 20:20	181.7	↓-1.9
2/20 20:30	179.3	↓-2.4
2/20 20:40	176.3	↓-3.0
2/20 20:50	172.9	↓-3.4
2/20 21:00	169.0	↓-3.9
2/20 21:10	164.6	↓-4.4
2/20 21:20	159.9	↓-4.7
2/20 21:30	154.7	↓-5.2
2/20 21:40	149.2	↓-5.5
2/20 21:50	143.4	↓-5.8
2/20 22:00	137.3	↓-6.1
2/20 22:10	131.0	↓-6.3
2/20 22:20	124.5	↓-6.5
2/20 22:30	117.9	↓-6.6
2/20 22:40	111.2	↓-6.7
2/20 22:50	104.6	↓-6.6
2/20 23:00	97.9	↓-6.7
2/20 23:10	91.4	↓-6.5
2/20 23:20	85.1	↓-6.3
2/20 23:30	78.9	↓-6.2
2/20 23:40	73.0	↓-5.9
2/20 23:50	67.4	↓-5.6