20 (日)	07:22	02:12	23:44	15:11
	157cm	120cm	137cm	43cm
小潮 出 04:59 入 18:15 出 00:14 入 09:38 潮干狩り ○ 14:14～16:10

千葉灯標（千葉）2025年04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
4/20 00:00	131.0	↓-1.3
4/20 00:10	129.7	↓-1.3
4/20 00:20	128.5	↓-1.2
4/20 00:30	127.2	↓-1.3
4/20 00:40	126.0	↓-1.2
4/20 00:50	124.9	↓-1.1
4/20 01:00	123.8	↓-1.1
4/20 01:10	122.9	↓-0.9
4/20 01:20	122.0	↓-0.9
4/20 01:30	121.3	↓-0.7
4/20 01:40	120.8	↓-0.5
4/20 01:50	120.3	↓-0.5
4/20 02:00	120.1	↓-0.2
4/20 02:10	120.0	↓-0.1	干潮
4/20 02:20	120.0	0
4/20 02:30	120.3	↑0.3
4/20 02:40	120.7	↑0.4
4/20 02:50	121.3	↑0.6
4/20 03:00	122.0	↑0.7
4/20 03:10	122.9	↑0.9
4/20 03:20	124.0	↑1.1
4/20 03:30	125.2	↑1.2
4/20 03:40	126.6	↑1.4
4/20 03:50	128.1	↑1.5
4/20 04:00	129.7	↑1.6
4/20 04:10	131.3	↑1.6
4/20 04:20	133.1	↑1.8
4/20 04:30	134.9	↑1.8
4/20 04:40	136.7	↑1.8
4/20 04:50	138.6	↑1.9
4/20 05:00	140.5	↑1.9
4/20 05:10	142.3	↑1.8
4/20 05:20	144.1	↑1.8
4/20 05:30	145.8	↑1.7
4/20 05:40	147.5	↑1.7
4/20 05:50	149.1	↑1.6
4/20 06:00	150.6	↑1.5
4/20 06:10	151.9	↑1.3
4/20 06:20	153.1	↑1.2
4/20 06:30	154.2	↑1.1
4/20 06:40	155.1	↑0.9
4/20 06:50	155.8	↑0.7
4/20 07:00	156.3	↑0.5
4/20 07:10	156.6	↑0.3
4/20 07:20	156.8	↑0.2	満潮
4/20 07:30	156.7	↓-0.1
4/20 07:40	156.4	↓-0.3
4/20 07:50	155.9	↓-0.5
4/20 08:00	155.1	↓-0.8
4/20 08:10	154.1	↓-1.0
4/20 08:20	152.9	↓-1.2
4/20 08:30	151.4	↓-1.5
4/20 08:40	149.7	↓-1.7
4/20 08:50	147.8	↓-1.9
4/20 09:00	145.7	↓-2.1
4/20 09:10	143.3	↓-2.4
4/20 09:20	140.7	↓-2.6
4/20 09:30	137.9	↓-2.8
4/20 09:40	134.9	↓-3.0
4/20 09:50	131.7	↓-3.2
4/20 10:00	128.4	↓-3.3
4/20 10:10	124.9	↓-3.5
4/20 10:20	121.3	↓-3.6
4/20 10:30	117.5	↓-3.8
4/20 10:40	113.7	↓-3.8
4/20 10:50	109.8	↓-3.9
4/20 11:00	105.8	↓-4.0	最大潮位差
4/20 11:10	101.8	↓-4.0	最大潮位差
4/20 11:20	97.8	↓-4.0	最大潮位差
4/20 11:30	93.9	↓-3.9
4/20 11:40	89.9	↓-4.0	最大潮位差
4/20 11:50	86.0	↓-3.9
4/20 12:00	82.2	↓-3.8
4/20 12:10	78.5	↓-3.7
4/20 12:20	74.9	↓-3.6
4/20 12:30	71.4	↓-3.5
4/20 12:40	68.1	↓-3.3
4/20 12:50	64.9	↓-3.2
4/20 13:00	61.9	↓-3.0
4/20 13:10	59.1	↓-2.8
4/20 13:20	56.5	↓-2.6
4/20 13:30	54.1	↓-2.4
4/20 13:40	51.9	↓-2.2
4/20 13:50	50.0	↓-1.9
4/20 14:00	48.3	↓-1.7
4/20 14:10	46.8	↓-1.5
4/20 14:20	45.5	↓-1.3
4/20 14:30	44.5	↓-1.0
4/20 14:40	43.7	↓-0.8
4/20 14:50	43.1	↓-0.6
4/20 15:00	42.8	↓-0.3
4/20 15:10	42.6	↓-0.2	干潮
4/20 15:20	42.8	↑0.2
4/20 15:30	43.1	↑0.3
4/20 15:40	43.6	↑0.5
4/20 15:50	44.3	↑0.7
4/20 16:00	45.2	↑0.9
4/20 16:10	46.3	↑1.1
4/20 16:20	47.6	↑1.3
4/20 16:30	49.1	↑1.5
4/20 16:40	50.7	↑1.6
4/20 16:50	52.4	↑1.7
4/20 17:00	54.3	↑1.9
4/20 17:10	56.3	↑2.0
4/20 17:20	58.4	↑2.1
4/20 17:30	60.6	↑2.2
4/20 17:40	63.0	↑2.4
4/20 17:50	65.4	↑2.4
4/20 18:00	67.9	↑2.5
4/20 18:10	70.5	↑2.6
4/20 18:20	73.2	↑2.7
4/20 18:30	75.9	↑2.7
4/20 18:40	78.7	↑2.8
4/20 18:50	81.5	↑2.8
4/20 19:00	84.4	↑2.9
4/20 19:10	87.2	↑2.8
4/20 19:20	90.1	↑2.9
4/20 19:30	93.0	↑2.9
4/20 19:40	95.9	↑2.9
4/20 19:50	98.8	↑2.9
4/20 20:00	101.6	↑2.8
4/20 20:10	104.5	↑2.9
4/20 20:20	107.2	↑2.7
4/20 20:30	109.9	↑2.7
4/20 20:40	112.5	↑2.6
4/20 20:50	115.0	↑2.5
4/20 21:00	117.4	↑2.4
4/20 21:10	119.7	↑2.3
4/20 21:20	121.9	↑2.2
4/20 21:30	123.9	↑2.0
4/20 21:40	125.8	↑1.9
4/20 21:50	127.6	↑1.8
4/20 22:00	129.2	↑1.6
4/20 22:10	130.6	↑1.4
4/20 22:20	131.9	↑1.3
4/20 22:30	133.0	↑1.1
4/20 22:40	134.0	↑1.0
4/20 22:50	134.7	↑0.7
4/20 23:00	135.4	↑0.7
4/20 23:10	135.9	↑0.5
4/20 23:20	136.2	↑0.3
4/20 23:30	136.4	↑0.2
4/20 23:40	136.5	↑0.1	満潮
4/20 23:50	136.5	0