20 (土)	06:01	11:41	17:24	23:57
	168cm	64cm	170cm	5cm
大潮 出 06:23 入 17:29 出 18:09 入 06:50

第一海堡（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	4.2	↑1.7
2/20 00:10	6.5	↑2.3
2/20 00:20	9.2	↑2.7
2/20 00:30	12.4	↑3.2
2/20 00:40	16.1	↑3.7
2/20 00:50	20.2	↑4.1
2/20 01:00	24.7	↑4.5
2/20 01:10	29.6	↑4.9
2/20 01:20	34.8	↑5.2
2/20 01:30	40.4	↑5.6
2/20 01:40	46.2	↑5.8
2/20 01:50	52.3	↑6.1
2/20 02:00	58.6	↑6.3
2/20 02:10	65.0	↑6.4
2/20 02:20	71.6	↑6.6
2/20 02:30	78.2	↑6.6
2/20 02:40	84.8	↑6.6
2/20 02:50	91.5	↑6.7	最大潮位差
2/20 03:00	98.1	↑6.6
2/20 03:10	104.6	↑6.5
2/20 03:20	110.9	↑6.3
2/20 03:30	117.1	↑6.2
2/20 03:40	123.1	↑6.0
2/20 03:50	128.8	↑5.7
2/20 04:00	134.2	↑5.4
2/20 04:10	139.3	↑5.1
2/20 04:20	144.1	↑4.8
2/20 04:30	148.4	↑4.3
2/20 04:40	152.4	↑4.0
2/20 04:50	155.9	↑3.5
2/20 05:00	159.0	↑3.1
2/20 05:10	161.7	↑2.7
2/20 05:20	163.8	↑2.1
2/20 05:30	165.5	↑1.7
2/20 05:40	166.7	↑1.2
2/20 05:50	167.4	↑0.7
2/20 06:00	167.7	↑0.3	満潮
2/20 06:10	167.4	↓-0.3
2/20 06:20	166.7	↓-0.7
2/20 06:30	165.5	↓-1.2
2/20 06:40	163.9	↓-1.6
2/20 06:50	161.9	↓-2.0
2/20 07:00	159.4	↓-2.5
2/20 07:10	156.6	↓-2.8
2/20 07:20	153.4	↓-3.2
2/20 07:30	149.9	↓-3.5
2/20 07:40	146.1	↓-3.8
2/20 07:50	142.1	↓-4.0
2/20 08:00	137.8	↓-4.3
2/20 08:10	133.4	↓-4.4
2/20 08:20	128.8	↓-4.6
2/20 08:30	124.1	↓-4.7
2/20 08:40	119.3	↓-4.8
2/20 08:50	114.5	↓-4.8
2/20 09:00	109.7	↓-4.8
2/20 09:10	105.0	↓-4.7
2/20 09:20	100.4	↓-4.6
2/20 09:30	95.9	↓-4.5
2/20 09:40	91.5	↓-4.4
2/20 09:50	87.4	↓-4.1
2/20 10:00	83.5	↓-3.9
2/20 10:10	79.8	↓-3.7
2/20 10:20	76.5	↓-3.3
2/20 10:30	73.5	↓-3.0
2/20 10:40	70.8	↓-2.7
2/20 10:50	68.5	↓-2.3
2/20 11:00	66.6	↓-1.9
2/20 11:10	65.1	↓-1.5
2/20 11:20	64.0	↓-1.1
2/20 11:30	63.4	↓-0.6
2/20 11:40	63.1	↓-0.3	干潮
2/20 11:50	63.3	↑0.2
2/20 12:00	64.0	↑0.7
2/20 12:10	65.0	↑1.0
2/20 12:20	66.5	↑1.5
2/20 12:30	68.4	↑1.9
2/20 12:40	70.7	↑2.3
2/20 12:50	73.3	↑2.6
2/20 13:00	76.3	↑3.0
2/20 13:10	79.7	↑3.4
2/20 13:20	83.3	↑3.6
2/20 13:30	87.2	↑3.9
2/20 13:40	91.4	↑4.2
2/20 13:50	95.8	↑4.4
2/20 14:00	100.3	↑4.5
2/20 14:10	105.0	↑4.7
2/20 14:20	109.8	↑4.8
2/20 14:30	114.6	↑4.8
2/20 14:40	119.5	↑4.9
2/20 14:50	124.3	↑4.8
2/20 15:00	129.1	↑4.8
2/20 15:10	133.8	↑4.7
2/20 15:20	138.3	↑4.5
2/20 15:30	142.7	↑4.4
2/20 15:40	146.9	↑4.2
2/20 15:50	150.8	↑3.9
2/20 16:00	154.4	↑3.6
2/20 16:10	157.7	↑3.3
2/20 16:20	160.6	↑2.9
2/20 16:30	163.2	↑2.6
2/20 16:40	165.4	↑2.2
2/20 16:50	167.1	↑1.7
2/20 17:00	168.5	↑1.4
2/20 17:10	169.3	↑0.8
2/20 17:20	169.7	↑0.4	満潮
2/20 17:30	169.6	↓-0.1
2/20 17:40	169.0	↓-0.6
2/20 17:50	167.9	↓-1.1
2/20 18:00	166.3	↓-1.6
2/20 18:10	164.3	↓-2.0
2/20 18:20	161.7	↓-2.6
2/20 18:30	158.7	↓-3.0
2/20 18:40	155.3	↓-3.4
2/20 18:50	151.4	↓-3.9
2/20 19:00	147.1	↓-4.3
2/20 19:10	142.4	↓-4.7
2/20 19:20	137.4	↓-5.0
2/20 19:30	132.0	↓-5.4
2/20 19:40	126.3	↓-5.7
2/20 19:50	120.4	↓-5.9
2/20 20:00	114.2	↓-6.2
2/20 20:10	107.9	↓-6.3
2/20 20:20	101.4	↓-6.5
2/20 20:30	94.9	↓-6.5
2/20 20:40	88.2	↓-6.7	最大潮位差
2/20 20:50	81.6	↓-6.6
2/20 21:00	74.9	↓-6.7	最大潮位差
2/20 21:10	68.4	↓-6.5
2/20 21:20	61.9	↓-6.5
2/20 21:30	55.6	↓-6.3
2/20 21:40	49.5	↓-6.1
2/20 21:50	43.7	↓-5.8
2/20 22:00	38.1	↓-5.6
2/20 22:10	32.9	↓-5.2
2/20 22:20	28.0	↓-4.9
2/20 22:30	23.4	↓-4.6
2/20 22:40	19.3	↓-4.1
2/20 22:50	15.7	↓-3.6
2/20 23:00	12.5	↓-3.2
2/20 23:10	9.8	↓-2.7
2/20 23:20	7.6	↓-2.2
2/20 23:30	5.9	↓-1.7
2/20 23:40	4.8	↓-1.1
2/20 23:50	4.1	↓-0.7	干潮