20 (日)	04:30	09:28	14:47	21:55
	164cm	105cm	174cm	-2cm
中潮 出 06:21 入 17:27 出 04:20 入 14:15

姉崎（千葉）2039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	67.9	↑5.5
2/20 00:10	73.4	↑5.5
2/20 00:20	79.0	↑5.6
2/20 00:30	84.5	↑5.5
2/20 00:40	90.0	↑5.5
2/20 00:50	95.5	↑5.5
2/20 01:00	100.8	↑5.3
2/20 01:10	106.1	↑5.3
2/20 01:20	111.2	↑5.1
2/20 01:30	116.1	↑4.9
2/20 01:40	120.9	↑4.8
2/20 01:50	125.5	↑4.6
2/20 02:00	129.9	↑4.4
2/20 02:10	134.0	↑4.1
2/20 02:20	137.9	↑3.9
2/20 02:30	141.6	↑3.7
2/20 02:40	145.0	↑3.4
2/20 02:50	148.2	↑3.2
2/20 03:00	151.1	↑2.9
2/20 03:10	153.7	↑2.6
2/20 03:20	156.0	↑2.3
2/20 03:30	158.0	↑2.0
2/20 03:40	159.7	↑1.7
2/20 03:50	161.1	↑1.4
2/20 04:00	162.2	↑1.1
2/20 04:10	162.9	↑0.7
2/20 04:20	163.4	↑0.5	満潮
2/20 04:30	163.5	↑0.1	満潮
2/20 04:40	163.3	↓-0.2
2/20 04:50	162.9	↓-0.4
2/20 05:00	162.1	↓-0.8
2/20 05:10	161.0	↓-1.1
2/20 05:20	159.6	↓-1.4
2/20 05:30	158.0	↓-1.6
2/20 05:40	156.0	↓-2.0
2/20 05:50	153.9	↓-2.1
2/20 06:00	151.5	↓-2.4
2/20 06:10	149.0	↓-2.5
2/20 06:20	146.2	↓-2.8
2/20 06:30	143.4	↓-2.8
2/20 06:40	140.4	↓-3.0
2/20 06:50	137.3	↓-3.1
2/20 07:00	134.2	↓-3.1
2/20 07:10	131.0	↓-3.2
2/20 07:20	127.9	↓-3.1
2/20 07:30	124.9	↓-3.0
2/20 07:40	121.9	↓-3.0
2/20 07:50	119.1	↓-2.8
2/20 08:00	116.4	↓-2.7
2/20 08:10	113.9	↓-2.5
2/20 08:20	111.7	↓-2.2
2/20 08:30	109.7	↓-2.0
2/20 08:40	108.0	↓-1.7
2/20 08:50	106.6	↓-1.4
2/20 09:00	105.5	↓-1.1
2/20 09:10	104.7	↓-0.8
2/20 09:20	104.3	↓-0.4	干潮
2/20 09:30	104.2	↓-0.1
2/20 09:40	104.5	↑0.3
2/20 09:50	105.1	↑0.6
2/20 10:00	106.1	↑1.0
2/20 10:10	107.4	↑1.3
2/20 10:20	109.1	↑1.7
2/20 10:30	111.0	↑1.9
2/20 10:40	113.2	↑2.2
2/20 10:50	115.7	↑2.5
2/20 11:00	118.4	↑2.7
2/20 11:10	121.3	↑2.9
2/20 11:20	124.3	↑3.0
2/20 11:30	127.5	↑3.2
2/20 11:40	130.8	↑3.3
2/20 11:50	134.2	↑3.4
2/20 12:00	137.6	↑3.4
2/20 12:10	141.0	↑3.4
2/20 12:20	144.4	↑3.4
2/20 12:30	147.7	↑3.3
2/20 12:40	150.9	↑3.2
2/20 12:50	154.0	↑3.1
2/20 13:00	157.0	↑3.0
2/20 13:10	159.7	↑2.7
2/20 13:20	162.3	↑2.6
2/20 13:30	164.7	↑2.4
2/20 13:40	166.8	↑2.1
2/20 13:50	168.7	↑1.9
2/20 14:00	170.3	↑1.6
2/20 14:10	171.6	↑1.3
2/20 14:20	172.6	↑1.0
2/20 14:30	173.3	↑0.7
2/20 14:40	173.6	↑0.3	満潮
2/20 14:50	173.7	↑0.1
2/20 15:00	173.4	↓-0.3
2/20 15:10	172.7	↓-0.7
2/20 15:20	171.7	↓-1.0
2/20 15:30	170.4	↓-1.3
2/20 15:40	168.7	↓-1.7
2/20 15:50	166.6	↓-2.1
2/20 16:00	164.2	↓-2.4
2/20 16:10	161.4	↓-2.8
2/20 16:20	158.3	↓-3.1
2/20 16:30	154.8	↓-3.5
2/20 16:40	151.0	↓-3.8
2/20 16:50	146.8	↓-4.2
2/20 17:00	142.3	↓-4.5
2/20 17:10	137.5	↓-4.8
2/20 17:20	132.4	↓-5.1
2/20 17:30	127.1	↓-5.3
2/20 17:40	121.4	↓-5.7
2/20 17:50	115.5	↓-5.9
2/20 18:00	109.4	↓-6.1
2/20 18:10	103.2	↓-6.2
2/20 18:20	96.7	↓-6.5
2/20 18:30	90.2	↓-6.5
2/20 18:40	83.6	↓-6.6
2/20 18:50	76.9	↓-6.7	最大潮位差
2/20 19:00	70.3	↓-6.6
2/20 19:10	63.6	↓-6.7	最大潮位差
2/20 19:20	57.1	↓-6.5
2/20 19:30	50.7	↓-6.4
2/20 19:40	44.5	↓-6.2
2/20 19:50	38.5	↓-6.0
2/20 20:00	32.8	↓-5.7
2/20 20:10	27.3	↓-5.5
2/20 20:20	22.3	↓-5.0
2/20 20:30	17.6	↓-4.7
2/20 20:40	13.4	↓-4.2
2/20 20:50	9.6	↓-3.8
2/20 21:00	6.3	↓-3.3
2/20 21:10	3.5	↓-2.8
2/20 21:20	1.2	↓-2.3
2/20 21:30	-0.4	↓-1.6
2/20 21:40	-1.6	↓-1.2
2/20 21:50	-2.1	↓-0.5	干潮
2/20 22:00	-2.1	0
2/20 22:10	-1.5	↑0.6
2/20 22:20	-0.3	↑1.2
2/20 22:30	1.4	↑1.7
2/20 22:40	3.7	↑2.3
2/20 22:50	6.5	↑2.8
2/20 23:00	9.7	↑3.2
2/20 23:10	13.5	↑3.8
2/20 23:20	17.7	↑4.2
2/20 23:30	22.2	↑4.5
2/20 23:40	27.2	↑5.0
2/20 23:50	32.4	↑5.2