12 (火)	06:18	00:31	19:27	12:53
	169cm	61cm	159cm	10cm
中潮 出 05:14 入 18:12 出 21:58 入 07:23 潮干狩り ◎ 10:55～14:52

第一海堡（千葉）2039年04月12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
4/12 00:00	62.0	↓-1.4
4/12 00:10	60.9	↓-1.1
4/12 00:20	60.3	↓-0.6
4/12 00:30	60.1	↓-0.2	干潮
4/12 00:40	60.3	↑0.2
4/12 00:50	61.0	↑0.7
4/12 01:00	62.1	↑1.1
4/12 01:10	63.6	↑1.5
4/12 01:20	65.5	↑1.9
4/12 01:30	67.8	↑2.3
4/12 01:40	70.5	↑2.7
4/12 01:50	73.6	↑3.1
4/12 02:00	76.9	↑3.3
4/12 02:10	80.6	↑3.7
4/12 02:20	84.5	↑3.9
4/12 02:30	88.7	↑4.2
4/12 02:40	93.1	↑4.4
4/12 02:50	97.7	↑4.6
4/12 03:00	102.4	↑4.7
4/12 03:10	107.2	↑4.8
4/12 03:20	112.1	↑4.9
4/12 03:30	117.0	↑4.9
4/12 03:40	121.8	↑4.8
4/12 03:50	126.6	↑4.8
4/12 04:00	131.4	↑4.8
4/12 04:10	135.9	↑4.5
4/12 04:20	140.4	↑4.5
4/12 04:30	144.6	↑4.2
4/12 04:40	148.5	↑3.9
4/12 04:50	152.2	↑3.7
4/12 05:00	155.6	↑3.4
4/12 05:10	158.6	↑3.0
4/12 05:20	161.3	↑2.7
4/12 05:30	163.6	↑2.3
4/12 05:40	165.5	↑1.9
4/12 05:50	166.9	↑1.4
4/12 06:00	167.9	↑1.0
4/12 06:10	168.5	↑0.6	満潮
4/12 06:20	168.6	↑0.1
4/12 06:30	168.2	↓-0.4
4/12 06:40	167.3	↓-0.9
4/12 06:50	166.0	↓-1.3
4/12 07:00	164.1	↓-1.9
4/12 07:10	161.8	↓-2.3
4/12 07:20	159.1	↓-2.7
4/12 07:30	155.9	↓-3.2
4/12 07:40	152.3	↓-3.6
4/12 07:50	148.3	↓-4.0
4/12 08:00	144.0	↓-4.3
4/12 08:10	139.2	↓-4.8
4/12 08:20	134.2	↓-5.0
4/12 08:30	128.9	↓-5.3
4/12 08:40	123.3	↓-5.6
4/12 08:50	117.4	↓-5.9
4/12 09:00	111.4	↓-6.0
4/12 09:10	105.3	↓-6.1
4/12 09:20	99.0	↓-6.3
4/12 09:30	92.7	↓-6.3
4/12 09:40	86.4	↓-6.3
4/12 09:50	80.0	↓-6.4	最大潮位差
4/12 10:00	73.7	↓-6.3
4/12 10:10	67.5	↓-6.2
4/12 10:20	61.5	↓-6.0
4/12 10:30	55.6	↓-5.9
4/12 10:40	49.9	↓-5.7
4/12 10:50	44.5	↓-5.4
4/12 11:00	39.4	↓-5.1
4/12 11:10	34.6	↓-4.8
4/12 11:20	30.1	↓-4.5
4/12 11:30	26.1	↓-4.0
4/12 11:40	22.4	↓-3.7
4/12 11:50	19.1	↓-3.3
4/12 12:00	16.3	↓-2.8
4/12 12:10	14.0	↓-2.3
4/12 12:20	12.1	↓-1.9
4/12 12:30	10.8	↓-1.3
4/12 12:40	9.9	↓-0.9
4/12 12:50	9.6	↓-0.3	干潮
4/12 13:00	9.7	↑0.1
4/12 13:10	10.4	↑0.7
4/12 13:20	11.5	↑1.1
4/12 13:30	13.1	↑1.6
4/12 13:40	15.2	↑2.1
4/12 13:50	17.8	↑2.6
4/12 14:00	20.8	↑3.0
4/12 14:10	24.2	↑3.4
4/12 14:20	28.0	↑3.8
4/12 14:30	32.2	↑4.2
4/12 14:40	36.7	↑4.5
4/12 14:50	41.6	↑4.9
4/12 15:00	46.7	↑5.1
4/12 15:10	52.0	↑5.3
4/12 15:20	57.6	↑5.6
4/12 15:30	63.3	↑5.7
4/12 15:40	69.1	↑5.8
4/12 15:50	75.1	↑6.0
4/12 16:00	81.1	↑6.0
4/12 16:10	87.0	↑5.9
4/12 16:20	93.0	↑6.0
4/12 16:30	98.9	↑5.9
4/12 16:40	104.7	↑5.8
4/12 16:50	110.3	↑5.6
4/12 17:00	115.8	↑5.5
4/12 17:10	121.1	↑5.3
4/12 17:20	126.1	↑5.0
4/12 17:30	130.8	↑4.7
4/12 17:40	135.3	↑4.5
4/12 17:50	139.4	↑4.1
4/12 18:00	143.1	↑3.7
4/12 18:10	146.5	↑3.4
4/12 18:20	149.5	↑3.0
4/12 18:30	152.1	↑2.6
4/12 18:40	154.3	↑2.2
4/12 18:50	156.1	↑1.8
4/12 19:00	157.4	↑1.3
4/12 19:10	158.3	↑0.9
4/12 19:20	158.8	↑0.5	満潮
4/12 19:30	158.8	0
4/12 19:40	158.5	↓-0.3
4/12 19:50	157.7	↓-0.8
4/12 20:00	156.5	↓-1.2
4/12 20:10	155.0	↓-1.5
4/12 20:20	153.1	↓-1.9
4/12 20:30	150.9	↓-2.2
4/12 20:40	148.3	↓-2.6
4/12 20:50	145.5	↓-2.8
4/12 21:00	142.4	↓-3.1
4/12 21:10	139.1	↓-3.3
4/12 21:20	135.6	↓-3.5
4/12 21:30	131.9	↓-3.7
4/12 21:40	128.0	↓-3.9
4/12 21:50	124.1	↓-3.9
4/12 22:00	120.1	↓-4.0
4/12 22:10	116.1	↓-4.0
4/12 22:20	112.1	↓-4.0
4/12 22:30	108.2	↓-3.9
4/12 22:40	104.3	↓-3.9
4/12 22:50	100.5	↓-3.8
4/12 23:00	96.9	↓-3.6
4/12 23:10	93.4	↓-3.5
4/12 23:20	90.1	↓-3.3
4/12 23:30	87.1	↓-3.0
4/12 23:40	84.3	↓-2.8
4/12 23:50	81.7	↓-2.6