20 (水)	07:30	01:13	19:39	13:37
	164cm	29cm	154cm	44cm
中潮 出 06:23 入 17:30 出 21:19 入 08:28

第一海堡（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	40.1	↓-3.4
2/20 00:10	37.1	↓-3.0
2/20 00:20	34.6	↓-2.5
2/20 00:30	32.4	↓-2.2
2/20 00:40	30.7	↓-1.7
2/20 00:50	29.5	↓-1.2
2/20 01:00	28.7	↓-0.8
2/20 01:10	28.4	↓-0.3	干潮
2/20 01:20	28.5	↑0.1
2/20 01:30	29.2	↑0.7
2/20 01:40	30.3	↑1.1
2/20 01:50	31.8	↑1.5
2/20 02:00	33.9	↑2.1
2/20 02:10	36.3	↑2.4
2/20 02:20	39.2	↑2.9
2/20 02:30	42.4	↑3.2
2/20 02:40	46.1	↑3.7
2/20 02:50	50.1	↑4.0
2/20 03:00	54.4	↑4.3
2/20 03:10	59.0	↑4.6
2/20 03:20	63.8	↑4.8
2/20 03:30	68.9	↑5.1
2/20 03:40	74.2	↑5.3
2/20 03:50	79.6	↑5.4
2/20 04:00	85.1	↑5.5
2/20 04:10	90.8	↑5.7	最大潮位差
2/20 04:20	96.4	↑5.6
2/20 04:30	102.0	↑5.6
2/20 04:40	107.6	↑5.6
2/20 04:50	113.1	↑5.5
2/20 05:00	118.5	↑5.4
2/20 05:10	123.7	↑5.2
2/20 05:20	128.8	↑5.1
2/20 05:30	133.6	↑4.8
2/20 05:40	138.1	↑4.5
2/20 05:50	142.4	↑4.3
2/20 06:00	146.3	↑3.9
2/20 06:10	149.9	↑3.6
2/20 06:20	153.1	↑3.2
2/20 06:30	155.9	↑2.8
2/20 06:40	158.3	↑2.4
2/20 06:50	160.2	↑1.9
2/20 07:00	161.8	↑1.6
2/20 07:10	162.8	↑1.0
2/20 07:20	163.5	↑0.7	満潮
2/20 07:30	163.6	↑0.1	満潮
2/20 07:40	163.3	↓-0.3
2/20 07:50	162.6	↓-0.7
2/20 08:00	161.4	↓-1.2
2/20 08:10	159.8	↓-1.6
2/20 08:20	157.8	↓-2.0
2/20 08:30	155.3	↓-2.5
2/20 08:40	152.5	↓-2.8
2/20 08:50	149.3	↓-3.2
2/20 09:00	145.8	↓-3.5
2/20 09:10	141.9	↓-3.9
2/20 09:20	137.8	↓-4.1
2/20 09:30	133.5	↓-4.3
2/20 09:40	128.9	↓-4.6
2/20 09:50	124.1	↓-4.8
2/20 10:00	119.2	↓-4.9
2/20 10:10	114.1	↓-5.1
2/20 10:20	109.0	↓-5.1
2/20 10:30	103.9	↓-5.1
2/20 10:40	98.7	↓-5.2
2/20 10:50	93.6	↓-5.1
2/20 11:00	88.6	↓-5.0
2/20 11:10	83.7	↓-4.9
2/20 11:20	78.9	↓-4.8
2/20 11:30	74.3	↓-4.6
2/20 11:40	69.9	↓-4.4
2/20 11:50	65.8	↓-4.1
2/20 12:00	61.9	↓-3.9
2/20 12:10	58.4	↓-3.5
2/20 12:20	55.2	↓-3.2
2/20 12:30	52.3	↓-2.9
2/20 12:40	49.8	↓-2.5
2/20 12:50	47.7	↓-2.1
2/20 13:00	46.0	↓-1.7
2/20 13:10	44.6	↓-1.4
2/20 13:20	43.8	↓-0.8
2/20 13:30	43.3	↓-0.5	干潮
2/20 13:40	43.3	0
2/20 13:50	43.7	↑0.4
2/20 14:00	44.5	↑0.8
2/20 14:10	45.7	↑1.2
2/20 14:20	47.3	↑1.6
2/20 14:30	49.3	↑2.0
2/20 14:40	51.7	↑2.4
2/20 14:50	54.5	↑2.8
2/20 15:00	57.6	↑3.1
2/20 15:10	60.9	↑3.3
2/20 15:20	64.6	↑3.7
2/20 15:30	68.5	↑3.9
2/20 15:40	72.7	↑4.2
2/20 15:50	77.0	↑4.3
2/20 16:00	81.5	↑4.5
2/20 16:10	86.1	↑4.6
2/20 16:20	90.8	↑4.7
2/20 16:30	95.6	↑4.8
2/20 16:40	100.4	↑4.8
2/20 16:50	105.2	↑4.8
2/20 17:00	109.9	↑4.7
2/20 17:10	114.5	↑4.6
2/20 17:20	119.0	↑4.5
2/20 17:30	123.4	↑4.4
2/20 17:40	127.5	↑4.1
2/20 17:50	131.5	↑4.0
2/20 18:00	135.2	↑3.7
2/20 18:10	138.6	↑3.4
2/20 18:20	141.7	↑3.1
2/20 18:30	144.5	↑2.8
2/20 18:40	147.0	↑2.5
2/20 18:50	149.0	↑2.0
2/20 19:00	150.8	↑1.8
2/20 19:10	152.1	↑1.3
2/20 19:20	153.0	↑0.9
2/20 19:30	153.5	↑0.5	満潮
2/20 19:40	153.6	↑0.1
2/20 19:50	153.3	↓-0.3
2/20 20:00	152.6	↓-0.7
2/20 20:10	151.5	↓-1.1
2/20 20:20	150.0	↓-1.5
2/20 20:30	148.1	↓-1.9
2/20 20:40	145.9	↓-2.2
2/20 20:50	143.3	↓-2.6
2/20 21:00	140.3	↓-3.0
2/20 21:10	137.1	↓-3.2
2/20 21:20	133.6	↓-3.5
2/20 21:30	129.8	↓-3.8
2/20 21:40	125.8	↓-4.0
2/20 21:50	121.6	↓-4.2
2/20 22:00	117.2	↓-4.4
2/20 22:10	112.7	↓-4.5
2/20 22:20	108.1	↓-4.6
2/20 22:30	103.4	↓-4.7
2/20 22:40	98.7	↓-4.7
2/20 22:50	94.0	↓-4.7
2/20 23:00	89.3	↓-4.7
2/20 23:10	84.7	↓-4.6
2/20 23:20	80.2	↓-4.5
2/20 23:30	75.9	↓-4.3
2/20 23:40	71.7	↓-4.2
2/20 23:50	67.7	↓-4.0