20 (金)	11:25	03:49	21:08	15:32
	142cm	62cm	155cm	130cm
小潮 出 05:28 入 17:43 出 23:08 入 12:53

第一海堡（千葉）2030年09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
9/20 00:00	115.1	↓-3.6
9/20 00:10	111.4	↓-3.7	最大潮位差
9/20 00:20	107.7	↓-3.7	最大潮位差
9/20 00:30	104.1	↓-3.6
9/20 00:40	100.5	↓-3.6
9/20 00:50	97.0	↓-3.5
9/20 01:00	93.6	↓-3.4
9/20 01:10	90.2	↓-3.4
9/20 01:20	87.0	↓-3.2
9/20 01:30	84.0	↓-3.0
9/20 01:40	81.1	↓-2.9
9/20 01:50	78.3	↓-2.8
9/20 02:00	75.7	↓-2.6
9/20 02:10	73.4	↓-2.3
9/20 02:20	71.2	↓-2.2
9/20 02:30	69.2	↓-2.0
9/20 02:40	67.5	↓-1.7
9/20 02:50	66.0	↓-1.5
9/20 03:00	64.7	↓-1.3
9/20 03:10	63.6	↓-1.1
9/20 03:20	62.8	↓-0.8
9/20 03:30	62.3	↓-0.5
9/20 03:40	62.0	↓-0.3	干潮
9/20 03:50	61.9	↓-0.1
9/20 04:00	62.0	↑0.1
9/20 04:10	62.4	↑0.4
9/20 04:20	63.1	↑0.7
9/20 04:30	63.9	↑0.8
9/20 04:40	65.0	↑1.1
9/20 04:50	66.2	↑1.2
9/20 05:00	67.7	↑1.5
9/20 05:10	69.4	↑1.7
9/20 05:20	71.2	↑1.8
9/20 05:30	73.2	↑2.0
9/20 05:40	75.3	↑2.1
9/20 05:50	77.6	↑2.3
9/20 06:00	80.0	↑2.4
9/20 06:10	82.5	↑2.5
9/20 06:20	85.1	↑2.6
9/20 06:30	87.8	↑2.7
9/20 06:40	90.5	↑2.7
9/20 06:50	93.3	↑2.8
9/20 07:00	96.1	↑2.8
9/20 07:10	98.9	↑2.8
9/20 07:20	101.7	↑2.8
9/20 07:30	104.5	↑2.8
9/20 07:40	107.3	↑2.8
9/20 07:50	110.0	↑2.7
9/20 08:00	112.7	↑2.7
9/20 08:10	115.3	↑2.6
9/20 08:20	117.8	↑2.5
9/20 08:30	120.2	↑2.4
9/20 08:40	122.6	↑2.4
9/20 08:50	124.8	↑2.2
9/20 09:00	126.8	↑2.0
9/20 09:10	128.8	↑2.0
9/20 09:20	130.6	↑1.8
9/20 09:30	132.3	↑1.7
9/20 09:40	133.8	↑1.5
9/20 09:50	135.2	↑1.4
9/20 10:00	136.4	↑1.2
9/20 10:10	137.5	↑1.1
9/20 10:20	138.5	↑1.0
9/20 10:30	139.3	↑0.8
9/20 10:40	139.9	↑0.6
9/20 10:50	140.4	↑0.5
9/20 11:00	140.8	↑0.4
9/20 11:10	141.0	↑0.2
9/20 11:20	141.1	↑0.1	満潮
9/20 11:30	141.1	0
9/20 11:40	141.0	↓-0.1
9/20 11:50	140.8	↓-0.2
9/20 12:00	140.5	↓-0.3
9/20 12:10	140.0	↓-0.5
9/20 12:20	139.6	↓-0.4
9/20 12:30	139.0	↓-0.6
9/20 12:40	138.4	↓-0.6
9/20 12:50	137.8	↓-0.6
9/20 13:00	137.1	↓-0.7
9/20 13:10	136.4	↓-0.7
9/20 13:20	135.7	↓-0.7
9/20 13:30	135.0	↓-0.7
9/20 13:40	134.3	↓-0.7
9/20 13:50	133.6	↓-0.7
9/20 14:00	133.0	↓-0.6
9/20 14:10	132.4	↓-0.6
9/20 14:20	131.8	↓-0.6
9/20 14:30	131.3	↓-0.5
9/20 14:40	130.8	↓-0.5
9/20 14:50	130.4	↓-0.4
9/20 15:00	130.1	↓-0.3
9/20 15:10	129.9	↓-0.2
9/20 15:20	129.8	↓-0.1
9/20 15:30	129.7	↓-0.1	干潮
9/20 15:40	129.7	0
9/20 15:50	129.9	↑0.2
9/20 16:00	130.1	↑0.2
9/20 16:10	130.4	↑0.3
9/20 16:20	130.8	↑0.4
9/20 16:30	131.3	↑0.5
9/20 16:40	131.9	↑0.6
9/20 16:50	132.5	↑0.6
9/20 17:00	133.3	↑0.8
9/20 17:10	134.1	↑0.8
9/20 17:20	135.0	↑0.9
9/20 17:30	136.0	↑1.0
9/20 17:40	137.0	↑1.0
9/20 17:50	138.0	↑1.0
9/20 18:00	139.1	↑1.1
9/20 18:10	140.3	↑1.2
9/20 18:20	141.4	↑1.1
9/20 18:30	142.6	↑1.2
9/20 18:40	143.7	↑1.1
9/20 18:50	144.9	↑1.2
9/20 19:00	146.0	↑1.1
9/20 19:10	147.2	↑1.2
9/20 19:20	148.2	↑1.0
9/20 19:30	149.3	↑1.1
9/20 19:40	150.2	↑0.9
9/20 19:50	151.1	↑0.9
9/20 20:00	151.9	↑0.8
9/20 20:10	152.7	↑0.8
9/20 20:20	153.3	↑0.6
9/20 20:30	153.8	↑0.5
9/20 20:40	154.2	↑0.4
9/20 20:50	154.5	↑0.3
9/20 21:00	154.7	↑0.2	満潮
9/20 21:10	154.7	0
9/20 21:20	154.6	↓-0.1
9/20 21:30	154.3	↓-0.3
9/20 21:40	153.9	↓-0.4
9/20 21:50	153.4	↓-0.5
9/20 22:00	152.7	↓-0.7
9/20 22:10	151.9	↓-0.8
9/20 22:20	150.9	↓-1.0
9/20 22:30	149.7	↓-1.2
9/20 22:40	148.4	↓-1.3
9/20 22:50	146.9	↓-1.5
9/20 23:00	145.4	↓-1.5
9/20 23:10	143.6	↓-1.8
9/20 23:20	141.8	↓-1.8
9/20 23:30	139.8	↓-2.0
9/20 23:40	137.6	↓-2.2
9/20 23:50	135.4	↓-2.2