20 (土)	03:16	09:50	16:25	22:15
	169cm	44cm	181cm	84cm
大潮 出 05:28 入 17:43 出 03:38 入 16:55

第一海堡（千葉）2025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	123.9	↑3.0
9/20 00:10	127.0	↑3.1
9/20 00:20	130.1	↑3.1
9/20 00:30	133.3	↑3.2
9/20 00:40	136.5	↑3.2
9/20 00:50	139.7	↑3.2
9/20 01:00	142.9	↑3.2
9/20 01:10	146.0	↑3.1
9/20 01:20	148.9	↑2.9
9/20 01:30	151.8	↑2.9
9/20 01:40	154.5	↑2.7
9/20 01:50	157.0	↑2.5
9/20 02:00	159.4	↑2.4
9/20 02:10	161.5	↑2.1
9/20 02:20	163.3	↑1.8
9/20 02:30	164.9	↑1.6
9/20 02:40	166.2	↑1.3
9/20 02:50	167.1	↑0.9
9/20 03:00	167.8	↑0.7
9/20 03:10	168.1	↑0.3	満潮
9/20 03:20	168.1	0
9/20 03:30	167.8	↓-0.3
9/20 03:40	167.1	↓-0.7
9/20 03:50	166.0	↓-1.1
9/20 04:00	164.6	↓-1.4
9/20 04:10	162.8	↓-1.8
9/20 04:20	160.7	↓-2.1
9/20 04:30	158.3	↓-2.4
9/20 04:40	155.5	↓-2.8
9/20 04:50	152.4	↓-3.1
9/20 05:00	149.0	↓-3.4
9/20 05:10	145.4	↓-3.6
9/20 05:20	141.5	↓-3.9
9/20 05:30	137.3	↓-4.2
9/20 05:40	133.0	↓-4.3
9/20 05:50	128.4	↓-4.6
9/20 06:00	123.7	↓-4.7
9/20 06:10	118.9	↓-4.8
9/20 06:20	114.0	↓-4.9
9/20 06:30	109.0	↓-5.0
9/20 06:40	104.0	↓-5.0
9/20 06:50	99.0	↓-5.0
9/20 07:00	94.0	↓-5.0
9/20 07:10	89.1	↓-4.9
9/20 07:20	84.3	↓-4.8
9/20 07:30	79.7	↓-4.6
9/20 07:40	75.2	↓-4.5
9/20 07:50	70.8	↓-4.4
9/20 08:00	66.8	↓-4.0
9/20 08:10	62.9	↓-3.9
9/20 08:20	59.4	↓-3.5
9/20 08:30	56.1	↓-3.3
9/20 08:40	53.2	↓-2.9
9/20 08:50	50.6	↓-2.6
9/20 09:00	48.4	↓-2.2
9/20 09:10	46.6	↓-1.8
9/20 09:20	45.2	↓-1.4
9/20 09:30	44.2	↓-1.0
9/20 09:40	43.6	↓-0.6	干潮
9/20 09:50	43.4	↓-0.2	干潮
9/20 10:00	43.7	↑0.3
9/20 10:10	44.4	↑0.7
9/20 10:20	45.5	↑1.1
9/20 10:30	47.0	↑1.5
9/20 10:40	49.0	↑2.0
9/20 10:50	51.3	↑2.3
9/20 11:00	54.1	↑2.8
9/20 11:10	57.2	↑3.1
9/20 11:20	60.6	↑3.4
9/20 11:30	64.4	↑3.8
9/20 11:40	68.5	↑4.1
9/20 11:50	72.9	↑4.4
9/20 12:00	77.5	↑4.6
9/20 12:10	82.4	↑4.9
9/20 12:20	87.4	↑5.0
9/20 12:30	92.6	↑5.2
9/20 12:40	97.9	↑5.3
9/20 12:50	103.3	↑5.4
9/20 13:00	108.8	↑5.5	最大潮位差
9/20 13:10	114.3	↑5.5	最大潮位差
9/20 13:20	119.7	↑5.4
9/20 13:30	125.2	↑5.5	最大潮位差
9/20 13:40	130.5	↑5.3
9/20 13:50	135.7	↑5.2
9/20 14:00	140.8	↑5.1
9/20 14:10	145.6	↑4.8
9/20 14:20	150.3	↑4.7
9/20 14:30	154.7	↑4.4
9/20 14:40	158.8	↑4.1
9/20 14:50	162.7	↑3.9
9/20 15:00	166.2	↑3.5
9/20 15:10	169.4	↑3.2
9/20 15:20	172.2	↑2.8
9/20 15:30	174.6	↑2.4
9/20 15:40	176.6	↑2.0
9/20 15:50	178.3	↑1.7
9/20 16:00	179.5	↑1.2
9/20 16:10	180.3	↑0.8
9/20 16:20	180.7	↑0.4	満潮
9/20 16:30	180.7	0
9/20 16:40	180.3	↓-0.4
9/20 16:50	179.4	↓-0.9
9/20 17:00	178.2	↓-1.2
9/20 17:10	176.6	↓-1.6
9/20 17:20	174.6	↓-2.0
9/20 17:30	172.3	↓-2.3
9/20 17:40	169.6	↓-2.7
9/20 17:50	166.7	↓-2.9
9/20 18:00	163.4	↓-3.3
9/20 18:10	159.9	↓-3.5
9/20 18:20	156.2	↓-3.7
9/20 18:30	152.3	↓-3.9
9/20 18:40	148.3	↓-4.0
9/20 18:50	144.1	↓-4.2
9/20 19:00	139.8	↓-4.3
9/20 19:10	135.4	↓-4.4
9/20 19:20	131.1	↓-4.3
9/20 19:30	126.7	↓-4.4
9/20 19:40	122.4	↓-4.3
9/20 19:50	118.2	↓-4.2
9/20 20:00	114.0	↓-4.2
9/20 20:10	110.0	↓-4.0
9/20 20:20	106.2	↓-3.8
9/20 20:30	102.6	↓-3.6
9/20 20:40	99.3	↓-3.3
9/20 20:50	96.1	↓-3.2
9/20 21:00	93.3	↓-2.8
9/20 21:10	90.8	↓-2.5
9/20 21:20	88.6	↓-2.2
9/20 21:30	86.8	↓-1.8
9/20 21:40	85.3	↓-1.5
9/20 21:50	84.1	↓-1.2
9/20 22:00	83.4	↓-0.7
9/20 22:10	83.0	↓-0.4	干潮
9/20 22:20	83.1	↑0.1
9/20 22:30	83.5	↑0.4
9/20 22:40	84.3	↑0.8
9/20 22:50	85.5	↑1.2
9/20 23:00	87.0	↑1.5
9/20 23:10	88.9	↑1.9
9/20 23:20	91.2	↑2.3
9/20 23:30	93.8	↑2.6
9/20 23:40	96.6	↑2.8
9/20 23:50	99.8	↑3.2